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1
Daniels, Michael W. "Generalized ID/LP grammar a formalism for parsing linearization-Based HPSG grammars /". Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1118867950.
Testo completoAbstract (sommario):
Thesis (Ph.D.)--Ohio State University, 2005.Title from first page of PDF file. Document formatted into pages; contains xiii, 173 p.; also includes graphics. Includes bibliographical references (p. 160-171). Available online via OhioLINK's ETD Center
2
Yang, Yongsheng. "A maximum entropy approach to Chinese language parsing /". View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?COMP%202002%20YANG.
Testo completoAbstract (sommario):
Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.Includes bibliographical references (leaves 54-55). Also available in electronic version. Access restricted to campus users.
3
Walenski, Matthew S. "Relating parsers and grammars : on the structure and real-time comprehension of English infinitival complements /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3044770.
Testo completo
4
Prost, Jean-Philippe. "Modelling Syntactic Gradience with Loose Constraint-based Parsing". Phd thesis, Université de Provence - Aix-Marseille I, 2008. http://tel.archives-ouvertes.fr/tel-00352828.
Testo completoAbstract (sommario):
La grammaticalité d'une phrase est habituellement conçue comme une notion binaire : une phrase est soit grammaticale, soit agrammaticale. Cependant, bon nombre de travaux se penchent de plus en plus sur l'étude de degrés d'acceptabilité intermédiaires, auxquels le terme de gradience fait parfois référence. À ce jour, la majorité de ces travaux s'est concentrée sur l'étude de l'évaluation humaine de la gradience syntaxique. Cette étude explore la possibilité de construire un modèle robuste qui s'accorde avec ces jugements humains.Nous suggérons d'élargir au langage mal formé les concepts de Gradience Intersective et de Gradience Subsective, proposés par Aarts pour la modélisation de jugements graduels. Selon ce nouveau modèle, le problème que soulève la gradience concerne la classification d'un énoncé dans une catégorie particulière, selon des critères basés sur les caractéristiques syntaxiques de l'énoncé. Nous nous attachons à étendre la notion de Gradience Intersective (GI) afin qu'elle concerne le choix de la meilleure solution parmi un ensemble de candidats, et celle de Gradience Subsective (GS) pour qu'elle concerne le calcul du degré de typicité de cette structure au sein de sa catégorie. La GI est alors modélisée à l'aide d'un critère d'optimalité, tandis que la GS est modélisée par le calcul d'un degré d'acceptabilité grammaticale. Quant aux caractéristiques syntaxiques requises pour permettre de classer un énoncé, notre étude de différents cadres de représentation pour la syntaxe du langage naturel montre qu'elles peuvent aisément être représentées dans un cadre de syntaxe modèle-théorique (Model-Theoretic Syntax). Nous optons pour l'utilisation des Grammaires de Propriétés (GP), qui offrent, précisément, la possibilité de modéliser la caractérisation d'un énoncé. Nous présentons ici une solution entièrement automatisée pour la modélisation de la gradience syntaxique, qui procède de la caractérisation d'une phrase bien ou mal formée, de la génération d'un arbre syntaxique optimal, et du calcul d'un degré d'acceptabilité grammaticale pour l'énoncé.
À travers le développement de ce nouveau modèle, la contribution de ce travail comporte trois volets.
Premièrement, nous spécifions un système logique pour les GP qui permet la révision de sa formalisation sous l'angle de la théorie des modèles. Il s'attache notamment à formaliser les mécanismes de satisfaction et de relâche de contraintes mis en oeuvre dans les GP, ainsi que la façon dont ils permettent la projection d'une catégorie lors du processus d'analyse. Ce nouveau système introduit la notion de satisfaction relâchée, et une formulation en logique du premier ordre permettant de raisonner au sujet d'un énoncé.
Deuxièmement, nous présentons notre implantation du processus d'analyse syntaxique relâchée à base de contraintes (Loose Satisfaction Chart Parsing, ou LSCP), dont nous prouvons qu'elle génère toujours une analyse syntaxique complète et optimale. Cette approche est basée sur une technique de programmation dynamique (dynamic programming), ainsi que sur les mécanismes décrits ci-dessus. Bien que d'une complexité élevée, cette solution algorithmique présente des performances suffisantes pour nous permettre d'expérimenter notre modèle de gradience.
Et troisièmement, après avoir postulé que la prédiction de jugements humains d'acceptabilité peut se baser sur des facteurs dérivés de la LSCP, nous présentons un modèle numérique pour l'estimation du degré d'acceptabilité grammaticale d'un énoncé. Nous mesurons une bonne corrélation de ces scores avec des jugements humains d'acceptabilité grammaticale. Qui plus est, notre modèle s'avère obtenir de meilleures performances que celles obtenues par un modèle préexistant que nous utilisons comme référence, et qui, quant à lui, a été expérimenté à l'aide d'analyses syntaxiques générées manuellement.
5
Altmann, Gerald T. M. "Reference and the resolution of local syntactic ambiguity : the effect of context during human sentence processing". Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/6672.
Testo completoAbstract (sommario):
In this thesis we shall investigate the kinds of information which the Human Sentence Processing Mechanism employs during the resolution of local syntactic ambiguity in written texts. The thesis is in three parts. In Part I we consider some current models of syntactic ambiguity resolution. On the one hand, we consider the structural approaches, in which the processor considers only syntactic information when choosing between alternatives. On the other, we consider the interactive approaches, in which different kinds of information are brought to bear during the resolution process. In Part II, we describe a number of experiments which contrast the predictions of these two approaches. In particular, we investigate the processing of sentences which are locally ambiguous between a simple noun phrase analysis and a complex noun phrase analysis. Frazier (1979) predicts that the simple noun phrase analysis is chosen because it utilizes fewest phrasal nodes in its associated phrase marker. Crain and Steedman (1985), however, predict that the interpretation of the noun phrase is determined by referential factors, such as whether or not a unique referent can be identified for the noun phrase. The results support Crain and Steedman's interactive hypothesis. In Part III, we consider some theoretical issues concerning the timing of the processor's decisions. Crain and Steedman's original model is modified in the light of such considerations. We explore the implications of the modification for the status of syntax and semantics within our model of sentence comprehension. In the final chapter, we attempt to explain the existence of parsing preferences in sentences which are presented in isolation, and for which no explicit contextual information has been provided. We conclude that contextual considerations, such as the distinction between what is and what is not already known to the hearer, are of fundamental importance during the resolution of local syntactic ambiguity by the Human Sentence Processing Mechanism.
6
Grindlay, Benjamin James William. "Missing the point : the effect of punctuation on reading performance". Title page, abstract and contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phg866.pdf.
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Sharp, Randall Martin. "A model of grammar based on principles of government and binding". Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24917.
Testo completoAbstract (sommario):
This thesis describes an implementation of a model of natural language grammar based on current theories of transformational grammar, collectively referred to as Government and Binding (GB) theory. A description is presented of the principles of GB, including X-bar syntax and the theories of Case, Theta, Binding, Bounding, and Government The principles, in effect, constitute an embodiment of "universal grammar" (UG), i.e. the abstract characterization of the innately endowed human language faculty. Associated with the principles is a set of parameters that alter the effect of the principles. The "core grammar" of a specific language is an instantiation of UG with the parameters set in a particular way. To demonstrate the cross-linguistic nature of the theory, a subset of the "core grammars" of Spanish and English is implemented, including their parametric values and certain language-specific transformations required to characterize grammatical sentences. Sentences in one language are read in and converted through a series of reverse transformations to a base representation in the target language. To this representation, transformations are applied that produce a set of output sentences. The well-formedness of these sentences is verified by the general principles of UG as controlled by the parameters. Any that fail to meet the conditions are rejected so that only grammatical sentences are displayed. The model is written in the Prolog programming language.Science, Faculty of
Computer Science, Department of
Graduate
8
Holm, Johan, e Mats Gustavsson. "XML Parsers - A comparative study with respect to adaptability". Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-15698.
Testo completoAbstract (sommario):
Data migration is common as information needs to be moved and transformed between services and applications. Performance in the context of speed is important and may have a crucial impact on the handling of data. Information can be sent in varying formats and XML is one of the more commonly used. The information that is sent can change in structure from time to time and these changes needs to be handled. The parsers’ ability to handle these changes are described as the property “adaptability”. The transformation of XML files is done with the use of parsing techniques. The parsing techniques have different approaches, for example event-based or memory-based. Each approach has its pros and cons. The aim of this study is to research how three different parsers handle parsing XML documents with varying structures in the context of performance. The chosen parsing techniques are SAX, DOM and VTD. SAX uses an event-based approach while DOM and VTD uses a memory-based. Implementation of the parsers have been made with the purpose to extract information from XML documents an adding it to an ArrayList. The results from this study show that the parsers differ in performance, where DOM overall is the slowest and SAX and VTD perform somewhat equal. Although there are differences in the performance between the parsers depending on what changes are made to the XML document.
9
Koponen, Eeva, e Eeva Klintfors. "Assessing the Relevance of Prosodic and Phonotactic Cues on Parsing the Speech Stream by Young Language-Learners". Thesis, Stockholms universitet, Avdelningen för fonetik, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-62658.
Testo completoAbstract (sommario):
This is a study about how one-year-old Swedish-learning infants presumably use probabilistic information, such as prosody and phonotactic regularity, in segmentation of speech. The variables studied were the Swedish tonal word accents I & II and the distributional regularities of within-word and between-word consonant clusters in Swedish infant-directed speech. The results – which were not as clear-cut as the results obtained in earlier experiments on English-learning infants – suggest that 12-month old Swedish infants might be sensitive to prosodic cues to word boundaries: in experiment 1, altering the phonotactics of the stimuli reversed the infants’ preference for word accent types. However this was not confirmed in experiment 2, instead there was a general preference for listening at the accent II words. The results also suggest that 12-month old Swedish infants might not use phonotactic cues to word boundaries to the extent as expected: in experiment 1 and 2, altering the word accent types did not reverse the infants’ preference for phonotactics. Instead, both in experiment 1 and 2, there was a general preference for listening at the within-word stimuli. When compared with earlier research these findings indicate that infants, besides being able to integrate multiple statistical cues to word boundaries, might early in life be assisted by pattern-recognition in speech segmentation.Eeva Klintfors är född Koponen.
10
Kat, Michael P. "Comparative studies of microseismic source location techniques". Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61709.
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11
Cheung, Yam-Leung. "The negative wh-construction". Diss., Restricted to subscribing institutions, 2008. http://proquest.umi.com/pqdweb?did=1779690041&sid=25&Fmt=2&clientId=48051&RQT=309&VName=PQD.
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12
Walker, Katharine Aynge. "Seventeenth century northern noble widows : a comparative study". Thesis, University of Huddersfield, 2004. http://eprints.hud.ac.uk/id/eprint/7766/.
Testo completoAbstract (sommario):
This thesis is presented in part fulfilment of the Degree of Doctor of Philosophy at the University of Huddersfield. This thesis aims to explore the lives of seventeenth century noble widows in the north of England. The issues investigated include the demographics of widowhood, economics of widowhood, charitable activities, noble widows and the law, social networks surrounding widows and widows' political interests. Each of these subjects forms a chapter, where widows' contribution to each sphere through the seventeenth century is explored and assessed. The work also covers wider issues which affected women prior to and during marriage as they were also relevant to widowhood. Therefore it has been necessary to widen the scope of research from analyzing women's lives after the deaths of their husbands. Similarly, the geographical scope of the research, whilst basically entrenched in the north of England, extends in response to the variety of widows' experiences. The research has required examination of primary source material generated by widows such as letters, diaries, estate records and account books from institutions such as the British Library and private libraries such as that at Chatsworth. The second aim of this thesis is to examine more recent attitudes towards seventeenth century noble widows, encompassing the writings of nineteenth century historians and contemporary authors. The subject of this study is an under researched area and the thesis highlights the importance of the only part of a noblewoman's life that was lived as an independent individual. By scrutinising the secondary source material, challenging and criticizing general arguments proposed by other writers, debate upon the subject should be increased and new ideas expressed. Despite the social, legal, economic and political changes which took place throughout the seventeenth century, noble widows remained influential figures within the contexts of family, household and society as they exploited legal loopholes or accepted conventions in order to further their individual aims. This study advances the understanding of women's history by focussing on a neglected aspect of the subject, provides a new viewpoint for regional history and stimulates ideas for further academic debate.
13
Heinemann, Klaus. "Pre-incorporation transactions : a comparative analysis". Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59396.
Testo completoAbstract (sommario):
Whether in common law jurisdictions or in German civil law, the issue of pre-incorporation transactions has always been the subject of considerable controversy. Concerned with the promoters, third parties, the company and its shareholders, the law has found it difficult to balance these frequently conflicting interests without neglecting the need for clear and simple rules. Common law courts, sometimes excessively committed to legal principles, have even come up with absurd results.This survey looks at the various attempts made in order to reconcile legal principles and business requirements--legislative in most common law jurisdictions, juridical in Germany. It will critically examine the approaches taken in Anglo-Saxon jurisdictions and compare their results and reasoning with the solution found in German law. It will be seen that even among closely related legal systems, results differ considerably. The survey will illustrate how established rules of law have turned out to be largely incapable of meeting the challenge of pre-incorporation transactions. From a comparative point of view, some suggestions will be made in order to achieve a solution that is more satisfactory in result and reasoning.
14
Wilson, Ian. "Comparative genomic analyses of Entamoeba species". Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/2007270/.
Testo completoAbstract (sommario):
Amoebiasis is the third-most common cause of mortality worldwide from a disease borne of a parasitic infection. It affects up to 50 million people annually, of which 40,000 to 100,000 cases are fatal. Entamoeba histolytica is an obligate protozoon parasite of humans and is the aetiological agent of the disease. Recent suggestions that other members of the Entamoeba genus are human-infective, and potentially pathogenic, have been investigated here. A draft assembly and annotation of the 25 Mb genome of E. moshkovskii strain Laredo is presented, to which multiple E. moshkovskii strains were mapped. The E. moshkovskii genome was found to be approximately 200 times more variable than that of E. histolytica. Performance of the four-haplotype test revealed that genetic recombination does not seem to occur in E. moshkovskii. As such, it is suggested that it be referred to as a ‘species complex’, rather than an individual species. A comparative genomic analysis of E. histolytica HM-1:IMSS, E. moshkovskii Laredo, E. invadens IP-1 and the avirulent E. dispar SAW760 was performed. Subsequent comparative analyses against members of genera representative of the diversity in the Unikonts clade enabled the identification of orthologous gene families unique to the Entamoeba genus. Analysis of virulence factors within this set revealed that gene families involved in adhesion of amoebic trophozoites to host cells play a key role in the development of invasive amoebiasis. The Gal/GalNAc lectins and members of the BspA family are of particular interest, being present in all analysed species, except for E. dispar. The presence of these key families, plus cysteine proteases, in the E. moshkovskii genome suggests that some sequence types within this species complex may be pathogenic. E. invadens was found to possess larger numbers of more variable genes within many virulence factor families, including the BspA family and the Gal/GalNAc lectins. This suggests that sequence diversity facilitates E. invadens’ polyxenous lifestyle. Finally, a novel species recently isolated from a human faecal sample - E. bangladeshi, strain 8237 – was sequenced. Its genome was assembled using multiple de novo genome assemblers and coding sequences were assembled individually. A combination of all methods tested was found to be beneficial in maximising the number of gene sequences assembled, which is advised as good practice in future similar assemblies. The phylogeny of E. bangladeshi, achieved using the combined assemblies’ outputs suggested that the novel species is human-infective. The work presented here utilised modern comparative genomic techniques to improve understanding of Entamoeba species, their capacity for causing disease and their potential impact upon the epidemiology of amoebiasis.
15
Wang, Yixiong. "Comparative planetary circulation regimes in simple general circulation models". Thesis, University of Oxford, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.669741.
Testo completoAbstract (sommario):
This thesis presents the studies of terrestrial planetary atmospheric circula- tion regimes using simplified GCMs with different levels of complexity. Two different versions of the simplified GCM PUMA (Portable University Model for the Atmosphere) are used — PUMA-S with Newtonian cooling scheme and PUMA-G with a semi-grey two-band radiative transfer scheme and dry convective adjustment. A series of controlled experiments are conducted by varying planetary rotation rate and imposed equator-to-pole temperature dif- ference using PUMAS-S, and by varying rotation rate, planetary obliquity, and the ratio of optical depth in long-wave (thermal radiation) band to that in short-wave (stellar radiation) band using PUMA-G. These defining parame- ters are further combined with each other into dimensionless forms to establish parameter spaces, in which the occurences of different circulation regimes are mapped and classified. For the PUMA-S experiments, very coherent trends when varying planetary rotation rate (thermal Rossby number) is found. It is demonstrated that the GRW mechanism is mainly responsible for the equato- rial super-rotation observed in our experiments. Regular baroclinic waves are obtained at intermediate values of thermal Rossby number and depend strongly on the strength of radiative and frictional damping. Global atmospheric ener- getics in terms of Lorenz energy cycle and meridional heat transport efficiency also exhibits strong dependence on planetary rotation rate from our PUMA-S experiments. Theories of geostrophic turbulence (especially the recently in- troduced zonostrophic turbulence) and jet formation are examined using the PUMA-S experiments. For the PUMA-G experiments, Similar trends are ob- served with respect to varying planetary rotation rate, while new regimes like strongly subrotating atmospheres are found when varying obliquity in PUMA- G. Tidally-locked planets are also studied by modifying the incoming stellar irradiation in PUMA-G. It is found that atmospheric optical depth in the long- wave band plays an important role in setting the heat transport efficiency from day-side to night-side. These results provide significant insights into the ter- restrial planetary atmospheric circulation dynamics and the inference of circu- lation regimes of extrasolar planets. Future studies will focus on the effect of seasonal/diurnal cycle, the parametrisation of eddy heat transport efficiency, as well as the modification of the two-band semi-grey radiative transfer scheme to incorporate pressure broadening effects
16
Shi, Lei. "A general purpose semantic parser using FrameNet and WordNet®". Thesis, University of North Texas, 2004. https://digital.library.unt.edu/ark:/67531/metadc4483/.
Testo completoAbstract (sommario):
Syntactic parsing is one of the best understood language processing applications. Since language and grammar have been formally defined, it is easy for computers to parse the syntactic structure of natural language text. Does meaning have structure as well? If it has, how can we analyze the structure? Previous systems rely on a one-to-one correspondence between syntactic rules and semantic rules. But such systems can only be applied to limited fragments of English. In this thesis, we propose a general-purpose shallow semantic parser which utilizes a semantic network (WordNet), and a frame dataset (FrameNet). Semantic relations recognized by the parser are based on how human beings represent knowledge of the world. Parsing semantic structure allows semantic units and constituents to be accessed and processed in a more meaningful way than syntactic parsing, moving the automation of understanding natural language text to a higher level.
17
Légaré, Claudette. "Les clubs pour personnes âgées à Ottawa : étude comparative". Thesis, University of Ottawa (Canada), 1987. http://hdl.handle.net/10393/5481.
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Smith, Anne Marie. "The appraisal remedy in corporate law a comparative study". Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5717.
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19
Jacques, Sabine. "The right to parody? : a comparative analysis". Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32990/.
Testo completoAbstract (sommario):
Copyright law grants exclusive rights to right-holders which prevent others from exploiting copyright-protected works without authorisation. However, this right is not absolute. Legislation includes specific exceptions which preclude right-holders from exercising their prerogatives in particular cases which foster creativity and cultural diversity within that society. The parody exception pertains to this ultimate objective by permitting users to reproduce copyright-protected materials for the purpose of parody. While the parody exception is not harmonised at international level, the EU Information Society Directive offers EU Member States the option of including a parody exception within national copyright legislation as part of a harmonising framework. The UK took advantage of this option, and introduced a new copyright exception for parody in October 2014. To understand the meaning and scope of the new exception in UK copyright law and to analyse whether EU harmonisation of the parody exception is achievable, this thesis examines and compares four jurisdictions which differ in their protection of parodies: France, Australia, Canada and the United Kingdom. This thesis is concerned with finding an appropriate balance between the protection afforded to right-holders and the public interest in encouraging parody. This is achieved by analysing the parody exception to the economic rights of right-holders, the application of moral rights and the interaction of the parody exception with contract law. As parodies constitute an artistic expression protected under the right to freedom of expression, this thesis considers the influence of freedom of expression on the interpretation of this specific copyright exception. Furthermore, this thesis aims to provide guidance on how to resolve conflicts where fundamental rights are in conflict.
20
Sheikholeslami, Salmasi Kamaleddin. "Assessment and comparative analysis of Iran's mineral policy : lessons and recommendations". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0030/NQ64667.pdf.
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21
Eng, Dennis. "Process evaluation of general data migration guidelines : A comparative study". Thesis, Linköping University, Department of Computer and Information Science, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57440.
Testo completoAbstract (sommario):
Information systems form the backbone of many organizations today and are vital for their daily activities. For each day these systems grows bigger and more customized to the point where it is heavily integrated in the current platform. However, eventually the platform grows obsolete and the system itself becomes an obstacle for further development. Then the question arises, how do we upgrade the platform while retaining customizations and data? One answer is data migration which essentially is the process of moving data from one device to another. The problems of data migration becomes evident with extensive and heavily customized systems which effectively lead to the absence of any general guidelines for data migration.This thesis attempts to take a first step in finding and testing a set of general migration guidelines that might facilitate the creation of future migration projects. This is achieved using a comparative analysis of the general migration guidelines contra the process of migrating data between different editions of the Microsoft SharePoint framework. The analysis attempts to find out if the general guidelines are general enough for this migration process and leave it to future research to further assess their generality. This paper will also investigate the importance of using incremental migration and the ability to perform structural change during migration as well as how these issues is handled by the built in migration tool of SharePoint. In the end the general guidelines proved to be sufficient to express the SharePoint migration process and should therefore be used for further research to assess their worth in other projects. In terms of the second issue, the built-in migration tool proved weak in handling either incremental migration nor structural change which is unfortunate due to the benefits these features bring.
22
Noe, Andreas Hans. "A comparative study of business students in Sri Lanka and Canada". Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5861.
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Tuncer, Kilavuz Idil. "Understanding violent conflict a comparative study of Tajikistan and Uzbekistan /". [Bloomington, Ind.] : Indiana University, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3278200.
Testo completoAbstract (sommario):
Thesis (Ph.D.)--Indiana University, Dept. of Central Eurasian Studies, 2007.Source: Dissertation Abstracts International, Volume: 68-09, Section: A, page: 4055. Adviser: William Fierman. Title from dissertation home page (viewed May 7, 2008).
24
Buhler, Patricia Lynn. "Prenatal care : a comparative evaluation of nurse-midwives and general practitioners". Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/24489.
Testo completoAbstract (sommario):
The practice of midwifery by those other than physicians is illegal in Canada and despite recommendations of nursing, medical and consumer groups, no trials evaluating the effectiveness of the nurse-midwife as a member of the modern obstetrical team have occurred here. To demonstrate a nurse-midwifery model, four nurse-midwives provided primary care to forty-seven childbearing women and their families over a twenty-two month period in a maternity teaching hospital. This clinic presented a unique opportunity for comparing the prenatal care provided by nurse-midwives with that of general practitioners who attended deliveries in the same setting. Utilizing a retrospective chart audit, case control study design, the nurse-midwife cases (NM cases) were each matched to two general practitioner controls (GP controls) through the use of the hospital's prenatal data base. The matching characteristics included low risk status, date of delivery, age, parity, gravidity, previous pregnancy losses and census tract income. Prenatal criteria that had been developed and tested in "The Burlington Randomized Clinical Trial of the Nurse Practitioner" for assessing the quality of care were reviewed and updated for this study. With these criteria two blinded abstractors audited the prenatal record forms of all the subjects and scored them as either "superior", "adequate" or "inadequate".
Seventy-seven percent of the records of the NM cases received a
"superior" score, where as 60% of the GP controls' records received an
"inadequate" score [mathematical formula omitted] Overall, the general
practitioners' records indicated more erratic care than those of the nurse-midwives. Although the physicians met most of the initial assessment criteria, they failed to meet the criteria that evaluated the ongoing routine assessment process by recording an inadequate number of prenatal visits (36%), or by omitting urine test results (38$) and blood pressure readings (21%). No differences were found in variables relating to labour and delivery with the exception of the incidence of episiotomies. The results indicate that nurse-midwives as part of an obstetrical team are able to provide safe prenatal care to a low risk population in a Canadian urban context, and that their records are thorough and more consistent than those of general practitioners.Medicine, Faculty of
Population and Public Health (SPPH), School of
Graduate
25
Guo, Ling-Yu Tomblin J. Bruce Owen Amanda J. "Acquisition of auxiliary and copula BE in young English-speaking children". [Iowa City, Iowa] : University of Iowa, 2009. http://ir.uiowa.edu/etd/370.
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Howatt, Mary. "Object infinitival complements". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0001/MQ43884.pdf.
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Tanaka, Hidekazu. "Conditions on logical form derivations and representations". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0028/NQ50266.pdf.
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28
Hallon, Robert J. M. Brøondal Viggo. "Brøondal's system of grammar : a translation of, and commentary on, Morfologi Og Syntax (1932) /". Title page, contents and abstract only, 1989. http://web4.library.adelaide.edu.au/theses/09PH/09phh192.pdf.
Testo completoAbstract (sommario):
Thesis (Ph. D.)--University of Adelaide, Dept. of English, 1989.This thesis is a study of the grammatical theories of Viggo Brøondal ; the central part of the thesis consists of an English translation of his Morfologi og syntax (1932). Includes bibliographical references (leaves 386-416).
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Senturia, Martha Baird. "A prosodic theory of hiatus resolution /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9835402.
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Israel, Michael. "The rhetoric of grammar : scalar reasoning and polarity sensitivity /". Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9913154.
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31
Lightman, Naomi. "Comparative health policy in Canada and the UK: an equity perspective". Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=86743.
Testo completoAbstract (sommario):
This thesis compares the health care systems in Canada and the UK with a particular focus on equity of access and equity of outcomes. It explores causal factors such as organization, financing and delivery of care. The paper presents background and historical context on the two health systems, a review of current national and comparative international studies on health equity in each country, and qualitative analysis from four key informant interviews. Overall, the paper finds greater equity in Britain's NHS in terms of access to services and pro-poor allocation of resources than in Canadian Medicare. The Labour government is actively working to redress inequalities in health, while in Canada there are numerous barriers to system reform. Additionally, the current Conservative federal government has not made improving health equity a primary concern in Canada, and creeping privatization of the system is likely leading to further inequity.Ce mémoire compare les systèmes de santé canadien et britannique en apportant une attention particulière aux questions d'équité d'accès et de soin. On y explore les facteurs causals tels que l'organisation, le financement et l'offre de soins. Une mise en contexte historique, un état de la littérature et une série de quatre entrevues avec des acteurs clés dans les deux pays sont offertes. Ce mémoire conclut à une plus grande équité dans le système public britannique tant en terme d'accès que d'allocation de ressources au profit des plus démunis. En effet, le Parti travailliste britannique s'efforce activement de redresser les iniquités alors que le gouvernement canadien est confronté à de nombreuses difficultés dans ses tentatives de réforme. De plus, le gouvernement Conservateur canadien n'a pas fait de l'amélioration des conditions d'équité une priorité tout en tolérant une privatisation rampante du système qui mènera surement à davantage d'iniquités.
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Kubal, Chandrashekhar. "Comparative models of transplant and non-transplant human kidney disease". Thesis, University of Birmingham, 2012. http://etheses.bham.ac.uk//id/eprint/3827/.
Testo completoAbstract (sommario):
Late kidney transplant losses along with chronic kidney disease in non-renal solid organ transplantation pose major problem in this field. To address this I compared ischaemia, interstitial scarring and inflammation on the renal biopsies from failing renal transplants and chronic kidney disease outside renal transplantation using native CKD as a control group. For matched renal function, a similar degree of interstitial scarring was observed across the three study groups. Ischaemia was predominant in failing renal transplants; conversely inflammation was predominant in native CKD. The relationship between macrophages and endothelial cells indicated that, despite a lower macrophage load, there may be an allogeneic impact of macrophages on endothelial cells. In the biopsies from CKD, mRNA levels for iNOS, arginase, CX3CL1, BCL-2, MCP-1/CCL2 and FSP-1 were increased in association with an increasing macrophage load. Macrophage load correlated positively with arginase/iNOS mRNA ratio, suggesting M2 phenotypic transformation of the macrophages. Co-localization studies, demonstrated an increased number of macrophages within 5 microns from endothelial cells in failing renal transplants when compared to chronic kidney disease. Further studies directed towards manipulating macrophage-endothelial cell interaction may be potentially beneficial in improving the longevity of renal transplants.
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Sykes, Britt-Mari. "Existentialism, psychology and religion, a comparative study of Viktor Frankl and Paul Tillich". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0007/MQ45251.pdf.
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Farrah, Jean-Simon. "Perceptions of old age in comparative perspective: does the welfare state matter?" Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97193.
Testo completoAbstract (sommario):
One of the presumed consequences of the growing ascendency of population aging on social reforms and political discourses in Europe is a generalized uneasiness with old age in the welfare state. Drawing on the fourth wave of the European Social Survey, this thesis seeks to map out perceptions of old age across European welfare states. It argues that the welfare states theory can be a useful comparative tool to explain both individual perceptions of old age and intergenerational patterns found on European soil. Results show that the effect of welfare state types on individual perceptions is largely insignificant; rather, a clearer portrait of old age perceptions emerges when welfare states theory is coupled with an investigation of intergenerational patterns of perceptions and changes in old age policy.Une des conséquences présumées de la grandissante prégnance du vieillissement de la population sur les réformes sociales et discours politiques en Europe est un malaise généralisé envers la vieillesse dans l'état providence. À l'aide du « European Social Survey », ce mémoire cherche à tracer les perceptions des Européens envers la vieillesse. L'argument principal proposé est que la théorie sur les états providences peut être utile en tant qu'outil d'analyse comparative afin d'expliquer autant les perceptions individuelles de la vieillesse que les conflits intergénérationnels que ces perceptions occasionnent. Les résultats ne prouvent pas un lien significatif entre le type d'état providence et les perceptions individuelles sur la vieillesse; par contre, un portrait plus clair émerge lorsque la théorie de l'état providence est agrémentée d'une investigation des perceptions à travers les groupes d'âge ainsi que de l'évolution des politiques orientées vers les personnes âgées.
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Walsh, Linda. "The nature of morphological representations /". Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=73987.
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Campana, Mark. "A movement theory of ergativity". Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39511.
Testo completoAbstract (sommario):
In this thesis, I propose a theory of ergativity in which NP arguments are checked for Case by moving to projections of agreement at LF. The Case-marking pattern of an ergative language arises when transitive subjects move to the projection of agreement usually associated with objects (AGR.o), while transitive objects and intransitive subjects move to the projection of subject agreement (AGR.s). While this proposal assigns the same underlying structure to clauses in an ergative language (unlike Marantz, 1984), it does have distinctive syntactic effects. In this it contrasts with a purely morphological approach to ergativity, such as that of Anderson (1976).Arguments can move to the specifier position of agreement, or adjoin to its maximal projection. Movement cannot take place across the same kind of position as the landing site, which leads us to predict that transitive subjects cannot undergo grammatical extraction in an ergative language. This prediction turns out to be correct in a number of languages, including Chamorro, Mam, and other members of the Mayan group. Our theory also allows for a plausible account of split ergativity--non-canonical patterns in an otherwise ergative language where transitive and intransitive subjects are marked the same, but behave differently under extraction.
The proposal that NPs are not checked for Case until LF entails that they remain in their base positions at S-structure. Evidence for this claim is adduced from the distribution of empty pronoun arguments whose contents must be identified. Our prediction is that transitive subjects in an ergative language will interfere in the identification of an empty object pronoun, since it is closer to the pronoun than its legitimate identifier, AGR.s. This is also shown to be the case.
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Goldberg, Lotus Madelyn. "Verb-stranding VP ellipsis : a cross-linguistic study". Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=50177.
Testo completoAbstract (sommario):
This thesis presents a study of a construction which I refer to as Verb-Stranding VP Ellipsis. The construction is studied here, specifically, in two distinct senses. First, in chapter two, diagnostics are proposed by which the VP Ellipsis ("VPE") construction can be identified—irrespective of whether the main verb involved is null or overt. It is proposed that these diagnostics can be used to rule out the possibility that the data at issue are cases of other types of null anaphora, such as null arguments, Stripping, Gapping, and Null Complement Anaphora. It emerges from this section of the thesis that Modern Hebrew, Modern Irish, and Swahili have V-Stranding VPE data which form a natural class with English's Aux-Stranding VPE, while Japanese, Korean, Italian, and Spanish do not. The second focus is the question of how V-Stranding VPE should be generated. Chapters 3 and 4 argue in favor of an analysis involving PF Deletion of a VP out of which the main verb has raised, and against an LF Copying treatment. These arguments, in part, involve the Verbal Identity Requirement on VP Ellipsis, a novel generalization involving strict identity in root and derivational morphology between the antecedent- and target clause main Vs of the construction. Within the previously known requirement that elided phrases express semantically Given information, I argue that this generalization results from the fact that the head of an elided phrase must itself express Given information—whether or not the head surfaces as phonologically null.Dans cette étude, on considère en detail une construction que j'appelle « L'élision d'une expression verbale sans l'élision du verbe principal » (anglais « V-Stranding VP Ellipsis »). Cette construction est étudiée ici, spécifiquement, dans deux sens distincts. Dans le chapitre 2, on propose des diagnostics grace auxquels on peut identifier la construction « élision d'une expression verbale » (« EEV », anglais « VP Ellipsis »), que le verbe principal dans l'expression verbale soit manifeste ou élidé. On soutient que ces diagnostics peuvent être utilisés pour éliminer la possibilité que les données pertinentes soient des exemples d'autres types d'anaphore nulle, tels que argument du verbe nul, le « Stripping », le « Gapping », et le « Null Complement Anaphora ». Ainsi, on propose dans cette section que l'EEV sans l'élision du verbe dans les grammaires de l'hebreu, de l'irlaindais et du swahili forme une classe naturelle avec l'EEV avec l'élision du verbe en anglais. On soutient aussi que cette construction n'existent pas en japonais, en coréen, en espagnol, ou en italienne. Ensuite, on considère la question de comment génerer les exemples d'EEV sans l'élision du verbe. Dans les chapitres 3 et 4, on propose une analyse qui utilise la suppression d'une expression verbale au niveau de la Forme Phonologique (« la suppression FP », anglais « PF Deletion ») aprês le placement du verbe principal a une position en dehors de l'expression verbale, et on presente une explication de la raison pour laquelle une analyse qui utilise des copies de la Forme Logique (« copie FL », anglais « LF Copying ») n'est pas viable. Ceci implique, en partie, la Condition d'Identite Verbale, une généralisation proposé ici pour la premiêre fois, impliquant une identité stricte de la racine et dans la morphologie dérivationnelle entre les verbes principaux des propositions antécedentes et des propositions ciblés. Dans le cadre de la condition connue selon laquelle les syntagmes élidés expriment une information sémantique donnée (anglais « Given »), j e soutiens que la condition d'identité verbale resulte du fait que la tete d'un syntagme élidé doit elle-meme exprimer l'information donnée sémantiquement—que la téte soit phonologiquement manifeste ou nulle.
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Collins, Jeremy Charles. "Grammaticalization and Greenberg's word order correlations". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B50534130.
Testo completoAbstract (sommario):
Word order universals constitute a well-known problem in language typology, first outlined in Greenberg (1963). It has been firmly established in databases of over 1500 languages that languages with verb-object ordering are very likely to have prepositions and noun-genitive ordering, while languages with object-verb ordering are very likely to have postpositions and genitive-noun ordering (Dryer and Haspelmath 2011). This thesis attempts to give a historical explanation for these facts in terms of the origin of syntactic categories: adpositions have historically developed from nouns and verbs (Givon 1984, Aristar 1991); and verbs often develop from nominalizations used with a genitive object. These types of grammaticalization can explain why adpositions retain the ordering of their source nouns or verbs, and why verb/object ordering often parallels noun/genitive ordering.
This historical explanation is elaborated on, with data from different language families. Examples of verbs grammaticalizing from nominalizations used with genitive objects are given, drawing on historical work such as Salanova (2007) on Brazilian Jê languages and Starosta, Pawley and Reid (1982) on Austronesian. Different languages show varying degrees of 'nominalism', the morphosyntactic resemblance between verb forms and noun phrases/nominalizations. Other languages show a less developed distinction between adpositions and verbs/nouns. These examples of gradience in syntactic categories are argued to be behind resemblances in word orderings. Language contact is responsible for preserving word order types, when languages undergo change in more than one word order (e.g. Greenberg 1969); and the difference in rates of word order change across constructions is argued to be behind hierarchies such as Hawkins (1983)'s Prepositional Noun Modifier Hierarchy. This explanation of word order universals contrasts with more mainstream accounts such as Hawkins (1994) in terms of processing efficiency, and Kirby and Christiansen (2003) in terms of learnability. While these explanations are perhaps compatible with the historical explanation, they are argued to be redundant; grammaticalization arguably is not driven or constrained by learnability and processing efficiency, with memetics, 'typological poise' (Enfield 2003) and language contact given as alternatives. Instead of reflecting functional biases, word order patterns are argued to reflect language history, both the history of language contact, and the history of syntactic categories developing through grammaticalization.published_or_final_version
Linguistics
Master
Master of Philosophy
39
Poirier, Josée. "Finding meaning in silence the comprehension of ellipsis /". Diss., [La Jolla] : [San Diego] : University of California, San Diego ; San Diego State University, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3358671.
Testo completoAbstract (sommario):
Thesis (Ph. D.)--University of California, San Diego and San Diego State University, 2009.Title from first page of PDF file (viewed July 14, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references.
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Seal, Amy. "Scoring sentences developmentally : an analog of developmental sentence scoring /". Diss., CLICK HERE for online access:, 2001. http://contentdm.lib.byu.edu/ETD/image/etd12.pdf.
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Sato, Hiromi. "Selection for clausal complements and tense features /". Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/8432.
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Diessel, Holger. "Demonstratives form, function, and grammaticalization /". Amsterdam ; Philadelphia : J. Benjamins, 1999. http://site.ebrary.com/id/5000150.
Testo completoAbstract (sommario):
Revision of dissertation (Ph.D)--State University of New York, Buffalo - "Demonstratives in cross-linguistic and diachronic perspective".Includes index. Includes bibliographical references at the end of each section.
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Chung, So-Woo. "Cataphora in discourse representation theory /". Thesis, Connect to this title online; UW restricted, 1992. http://hdl.handle.net/1773/8424.
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44
Dérome, Léo. "Study of NGOs in development: A comparative analysis of CUSO and development and peace". Thesis, University of Ottawa (Canada), 1990. http://hdl.handle.net/10393/5792.
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Pal, Mahesh. "Factors influencing the accuracy of remote sensing classifications : a comparative study". Thesis, University of Nottingham, 2002. http://eprints.nottingham.ac.uk/10314/.
Testo completoAbstract (sommario):
Within last 20 years, a number of methods have been employed for classifying remote sensing data, including parametric methods (e.g. the maximum likelihood classifier) and non-parametric classifiers (such as neural network classifiers).Each of these classification algorithms has some specific problems which limits its use. This research studies some alternative classification methods for land cover classification and compares their performance with the well established classification methods. The areas selected for this study are located near Littleport (Ely), in East Anglia, UK and in La Mancha region of Spain. Images in the optical bands of the Landsat ETM+ for year 2000 and InSAR data from May to September of 1996 for UK area, DAIS hyperspectral data and Landsat ETM+ for year 2000 for Spain area are used for this study. In addition, field data for the year 1996 were collected from farmers and for year 2000 were collected by field visits to both areas in the UK and Spain to generate the ground reference data set. The research was carried out in three main stages.The overall aim of this study is to assess the relative performance of four approaches to classification in remote sensing - the maximum likelihood, artificial neural net, decision tree and support vector machine methods and to examine factors which affect their performance in term of overall classification accuracy. Firstly, this research studies the behaviour of decision tree and support vector machine classifiers for land cover classification using ETM+ (UK) data. This stage discusses some factors affecting classification accuracy of a decision tree classifier, and also compares the performance of the decision tree with that of the maximum likelihood and neural network classifiers. The use of SVM requires the user to set the values of some parameters, such as type of kernel, kernel parameters, and multi-class methods as these parameters can significantly affect the accuracy of the resulting classification. This stage involves studying the effects of varying the various user defined parameters and noting their effect on classification accuracy. It is concluded that SVM perform far better than decision tree, maximum likelihood and neural network classifiers for this type of study. The second stage involves applying the decision tree, maximum likelihood and neural network classifiers to InSAR coherence and intensity data and evaluating the utility of this type of data for land cover classification studies. Finally, the last stage involves studying the response of SVMs, decision trees, maximum likelihood and neural classifier to different training data sizes, number of features, sampling plan, and the scale of the data used. The conclusion from the experiments presented in this stage is that the SVMs are unaffected by the Hughes phenomenon, and perform far better than the other classifiers in all cases. The performance of decision tree classifier based feature selection is found to be quite good in comparison with MNF transform. This study indicates that good classification performance depends on various parameters such as data type, scale of data, training sample size and type of classification method employed.
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Mackay, Katherine. "A comparative study of analysis methods in quantitative label free proteomics". Thesis, University of Liverpool, 2015. http://livrepository.liverpool.ac.uk/2050359/.
Testo completoAbstract (sommario):
The large amounts of data generated by modern proteomics experiments necessitates the use of software pipelines to conduct the bulk of the post-processing. While many software packages (both commercial and open-source) are available to perform some or all of the necessary post-processing steps, it is usual for each research group to use only the instrumentation and software packages with which they are most familiar and/or which are available to analyse their unknown data. The intention of the studies presented within this thesis was to assess the correlation between the experimental results obtained when; - a single result dataset is obtained and post-processed in parallel using four separate software pipelines - a single sample is analysed on two different mass spectrometers and post-processed in parallel and; - when different identification thresholds are applied to a dataset prior to parallel quantitation of the resultant data sets Correlation between different mass spectrometry instruments was assessed and found to yield high r values, especially at the protein level, and was also found to improve following the application of abundance thresholds, however the result of applying score thresholds was unpredictable. The use of manual FDR thresholds prior to importing data into Progenesis LC-MS yielded interesting results, which suggest that a threshold of 1% peptide FDR and 1 or 2% protein FDR is most effective in terms of yielding accurate ratios while maintaining acceptable sensitivity. In addition, a consensus method is suggested to utilise the results from multiple software pipelines in order to increase sensitivity and reduce the FDR, through the use of the QPROT tool and manual post-processing.
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Williams-Elegbe, Sope. "Fighting corruption in procurement : a comparative analysis of disqualification measures". Thesis, University of Nottingham, 2011. http://eprints.nottingham.ac.uk/13254/.
Testo completoAbstract (sommario):
Corruption has firmly taken centre stage in the development agenda of international organisations, developed and developing countries. One area in which corruption manifests is in public procurement and as a result, states have adopted various measures to prevent and curb corruption in public procurement. One such mechanism for dealing with procurement corruption is to disqualify corrupt suppliers from bidding on or otherwise obtaining government contracts. The disqualification of corrupt suppliers raises several issues, many of which are examined in this thesis. Implementing a disqualification mechanism in public procurement raises serious practical and conceptual difficulties, which are not always considered by legislative provisions on disqualification. Some of the problems that may arise from the use of disqualifications include determining whether a conviction for corruption ought to be a pre-requisite to disqualification, bearing in mind that corruption thrives in secret, resulting in a dearth of convictions. Another issue is determining how to balance the tension between granting adequate procedural safeguards to a supplier in disqualification proceedings and not delaying the procurement process. A further issue is determining the scope of the disqualification in the sense of determining whether it applies to firms, natural persons, subcontractors, subsidiaries or other persons related to the corrupt firm and whether disqualification will lead to the termination of existing contracts. These issues and the others considered by this thesis illustrate the limits to the efficacy of the disqualification mechanism in fighting procurement corruption. The thesis compares and contrasts the legal, practical and institutional approaches to the implementation of the disqualification mechanism in the European Union, the United Kingdom, the United States, the Republic of South Africa and the World Bank. The thesis examines how these jurisdictions have implemented a disqualification mechanism and whether their approaches may be regarded as appropriate.
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Noonan, Máire B. "Case and syntactic geometry". Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=39372.
Testo completoAbstract (sommario):
The first part of this thesis addresses the following questions: where in the syntactic tree, and at what representational level is an NP Case-checked. To this end, it presents converging data from French, Welsh and Irish, which suggest (i) that Case-checking may be accomplished under a variety of functional projections (subject to parametric variation); and (ii) that Case positions are--at least partially--independent of the A/A$ sp prime$-distinction. It furthermore presents evidence from Irish and Welsh--VSO languages in which NPs typically raise to their Case position only at LF--that NPs are, under certain conditions, Case-checked at S-structure.Chapter 2 investigates word order and cliticisation in Standard French and Quebec French interrogatives and proposes a typology of interrogatives. Chapter 3 and 4 account for complementizer variation, pre-verbal particles and agreement patterns in Welsh and Irish under a Case-theoretic approach.
The second part of this thesis concerns the conditions on the availability of structural accusative Case. A theory of structural Case is proposed according to which accusativity is a configurational rather than a lexical property--i.e., resulting from syntactic geometry and not from lexical feature specifications on verbs. To this end, a comparison between the syntactic mapping of stative and perfective predicates in Irish and English is undertaken.
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Wynne, Terence Stewart. "The present perfect : a corpus-based investigation". Thesis, University of Stirling, 2000. http://hdl.handle.net/1893/3472.
Testo completoAbstract (sommario):
On the basis of an investigation of a corpus of 5.5 million words, this thesis analyses the use of the present perfect in modem American and British English. The investigation traces the development of the present perfect from its origins as a structure with adjectival meaning to its modern-day use as an aspectual verb form. A frequency analysis tests the claims of various writers that the present perfect is losing ground against the preterite and is less frequent in American than in British English. Neither claim is supported by the results of this analysis. A temporal specifier analysis investigates the co-occurrence of a large number of adverbials with the various verb forms. It finds that certain groups of specifiers which have hitherto been considered markers for the present perfect are in fact very poor indicators. Specifiers indicating a period of time lasting up to the moment of utterance, however, are found to be very reliable indicators. With one exception no significant difference was found between the British and American corpora in this respect. A functional-semantic analysis examines the various theories of the present perfect against the background of the results of the empirical investigation and finds them to be insufficient in one or more respects. In the final chapter the division between tense and aspect is shown to be artificial and a model of the present perfect is presented which is based on the idea of multilayered aspectual values. The model is centred on the unifying concept of phragmatisation - the closing of the event time-frame. According to this model, discourse topics involving the present perfect are perceived to describe an event which takes place in a time frame which is not closed to the deictic zero point at the moment of utterance. The final section describes which factors are operative in the phragmatisation or closing of event time frames.
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Rosenblatt, Paulo. "General anti-avoidance rules for major developing countries: a comparative taxation approach". Thesis, University of London, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.603581.
Testo completoAbstract (sommario):
A GAAR is controversial: it confers great powers on tax officials but has not provided a complete solution to tax avoidance. Nevertheless, the idea of a GAAR has spread worldwide. Tax avoidance is not exclusive to advanced economies but also harmful to developing countries. International Financial Institutions have recently recommended a GAAR 'menu or tool kit' for developing countries. However, a number of differences between developed and developing countries suggest they should have different approaches in this field. There has been little research on adequate tax reforms for these countries. This thesis addresses this lacuna by discussing a workable GAAR for major developing countries. It considers the lessons from selected countries and what can be adapted to developing countries' circumstances. Comparative taxation is a useful tool to identify similarities and differences between systems, to provide a framework for comparing potential solutions to common policy issues and to promote law reform. The research acknowledges the limits to comparative taxation and the cautions needed in legal transplants. The design analysis focuses on the primary common elements of GAARs - scheme or arrangement, tax benefit and purpose - and secondary, nonessential tests - reasonableness, artificiality, abnormality, substance-over-form, economic reality, business purpose, non-tax purpose and abuse of law. The analysis is based on statutory provisions, discussion papers and case law mainly. Given that discretion is an unavoidable feature of GAARs, the thesis discusses how this power can be limited to provide a balance between protecting the tax base and securing legitimate tax planning. This thesis assumes that a GAAR may bring uncertainty to any system. Nonetheless, the hypothesis is that a narrowly drafted GAAR containing clear criteria and essential taxpayers' safeguards- although this may restrict its scope of generalitycan be an appropriate measure for developing countries.