Дисертації з теми "Model acquisition"
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1
Zurcher, James. "Model-based knowledge acquisition using adaptive piecewise linear models." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0018/NQ46956.pdf.
2
Iiyama, Masaaki. "3D object model acquisition from silhouettes." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/64946.
3
Campbell, N. D. F. "Automatic 3D model acquisition from uncalibrated images." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597247.
Анотація:
This work address all of the stages required to take a sequence of images of an object and recover a 3D model in order to produce as system that maximises automation and minimises the demands placed on the user. To that end we present a practical implementation of an automatic method for recovering the positions and properties of the cameras used to take a series of images using a textured ground-plane. We then offer two contributions to simplify the task of segmentation an object observed in multiple images. The first, applicable to more simple scenes, automatically segments the object fixated upon by the camera. We achieve this by iteratively exploiting the rigid structure of the scene, to perform the segmentation in 3D across all the images simultaneously, and the consistent appearance of the object. For more complex scenes we move to our second algorithm that allows the user to select the required object in an interaction manner whilst minimising demands on their time. We combine the different appearance and spatial constraints to produce a clustering problem to group regions across images that allows the user to label many images at the same time. Finally we present an automatic reconstruction algorithm that improve the performance of existing state-of-the-art methods to allow accurate models to be obtained from smaller image sequences. This takes the form of a filtering process that rejects erroneous depth estimates by considering multiple depth hypotheses and identifying the true depth or an unknown state using a 2D Markov Random Field framework.
4
Ingle, Nicholas. "A process model for acquisition integration success." Thesis, Heriot-Watt University, 2014. http://hdl.handle.net/10399/2856.
Анотація:
On average over the last 30 years 50% of all mergers and acquisitions have failed, with a third of all these failures having been caused by poor integration. This study sets out to examine a potential solution to improve the chances of integration success. An evaluation of the published acquisition integration process models that had strategic alignment of the acquisition strategy at their core was carried out and these were found to be incomplete and deficient in various aspects, including integrating fit factors, defined process stages and their interconnectedness. A conceptual acquisition integration process model was developed, based on a review of the literature which was subsequently used to design an appropriate research methodology to enhance and validate this model. In subsequent field work a qualitative case study approach, incorporating interviews, documents and comparative data analysis, was undertaken using four organisations and sixteen interviews, to assess how those organisations carry out the integration process. The results were combined with the conceptual model to develop an interim integration process model. This model was subsequently tested on the previous case organisations through semi-structured interviews. The conceptual process model was re-appraised and an internal and a limited external validation study were carried out on the revised model. From this the final complete acquisition integration process model and acquisition planning and integration implementation ‘onion’ was developed that is both practical and empirically tested, albeit on a small sample set.
5
Cameron, Heather M. "Constraint satisfaction for interactive 3-D model acquisition." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28937.
Анотація:
More and more computer applications are using three-dimensional models for a variety of uses (e.g. CAD, graphics, recognition). A major bottleneck is the acquisition of these models. The easiest method for designing the models is to build them directly from images of the object being modelled. This paper describes the design of a system, MOLASYS (for MOdeL Acquisition SYStem), that allows the user to build object models interactively from underlying images. This would not only be easier for the user, but also more accurate as the models will be built directly satisfying the dimensions, shape, and other constraints present in the images.
The object models are constructed by constraining model points and edges to match points in the image objects. The constraints are defined by the user and expressed using a Jacobian matrix of partial derivatives of the errors with respect to a set of camera and model parameters. MOLASYS then uses Newton's method to solve for corrections to the parameters that will reduce the errors specified in the constraints to zero. Thus the user describes how the system will change, and the program determines the best way to accomplish the desired changes.
The above techniques, implemented in MOLASYS, have resulted in an intuitive and flexible tool for the interactive creation of three-dimensional models.Science, Faculty of
Computer Science, Department of
Graduate
6
Swartzendruber, Kara Louise McDowell Kim. "The picture word inductive model and vocabulary acquisition." Diss., A link to full text of this thesis in SOAR, 2007. http://soar.wichita.edu/dspace/handle/10057/1178.
Анотація:
Thesis (M.Ed.)--Wichita State University, College of Education, Dept. of Curriculum and Instruction."May 2007." Title from PDF title page (viewed on Dec. 29, 2007). Thesis adviser: Kim McDowell. Includes bibliographic references (leaves 42-46).
7
McQueen, Thomas. "STORM : an unsupervised connectionist model for language acquisition." Thesis, Nottingham Trent University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429266.
Анотація:
Language acquisition is one of the core problems in artificial intelligence. Current performance bottlenecks in natural language processing (NLP) systems result from a prerequisite for an incalculable amount oflanguage and domain-specific knowledge. Consequently, the creation of an automated language acquisition system would revolutionize the field of NLP. Connectionist models that learn by example (i.e. artificial neural networks) have been successfully applied to many areas of language acquisition. However, the most widely used class of these models, known as supervised connectionist models, have a number of major limitations, including an inability to represent variables and a limited ability to generalize from sparse data. Such limitations have prevented connectionist models from being applied to large-scale language acquisition. This research considers the alternative and less widely used class of unsupervised connectionist models and investigates whether such models can capture the finite-state properties of language. A novel unsupervised connectionist model, STORM (Spatio Temporal Self-Organizing Recurrent Map), is proposed that uses a memory-rule based approach to learn a regular grammar from a set of positive example sequences. STORM's learning algorithm uses a derivation of functional-equivalence theory that allows the model to learn via similarity of behaviour, rather than just similar of form. This novel functional generalization ability allows STORM to learn a perfect and stable representation of the Reber grammar from a sparse training set of just 30 sequences, as opposed to the 60,000 sequences required to train a supervised connectionist model. Unlike supervised models, once STORM has learnt the grammar it can generalize to test sequences of any length or depth of embedding. Extensions to the model are proposed to show how STORM can learn context-free grammars. These extensions also solve the logical problem of language acquisition by recovering from overgeneralizations without the need for negative evidence.
8
Walter, Michael. "Automatic model acquisition and recognition of human gestures." Thesis, University of Westminster, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434422.
9
Adams, Richard. "The Advanced Data Acquisition Model (ADAM): A process model for digital forensic practice." Thesis, Adams, Richard (2012) The Advanced Data Acquisition Model (ADAM): A process model for digital forensic practice. PhD thesis, Murdoch University, 2012. https://researchrepository.murdoch.edu.au/id/eprint/14422/.
Анотація:
Given the pervasive nature of information technology, the nature of evidence presented in court is now less likely to be paper-based and in most instances will be in electronic form . However, evidence relating to computer crime is significantly different from that associated with the more ‘traditional’ crimes for which, in contrast to digital forensics, there are well-established standards, procedures and models to which law courts can refer.
The key problem is that, unlike some other areas of forensic practice, digital forensic practitioners work in a number of different environments and existing process models have tended to focus on one particular area, such as law enforcement, and fail to take into account the different needs of those working in other areas such as incident response or ‘commerce’.
This thesis makes an original contribution to knowledge in the field of digital forensics by developing a new process model for digital data acquisition that addresses both the practical needs of practitioners working in different areas of the field and the expectation of law courts for a formal description of the process undertaken to acquire digital evidence.
The methodology adopted for this research is design science on the basis that it is particularly suited to the task of creating a new process model and an ‘ideal approach’ in the problem domain of digital forensic evidence. The process model employed is the Design Science Research Process (DSRP) (Peffers, Tuunanen, Gengler, Rossi, Hui, Virtanen and Bragge, 2006) that has been widely utilised within information systems research.
A review of current process models involving the acquisition of digital data is followed by an assessment of each of the models from a theoretical perspective, by drawing on the work of Carrier and Spafford (2003)1, and from a legal perspective by reference to the Daubert test2. The result of the model assessment is that none provide a description of a generic process for the acquisition of digital data, although a few models contain elements that could be considered for adaptation as part of a new model.
Following the identification of key elements for a new model (based on the literature review and model assessment) the outcome of the design stage is a three-stage process model called the Advance Data Acquisition Model (ADAM) that comprises of three UML3 Activity diagrams, overriding Principles and an Operation Guide for each stage. Initial testing of the ADAM (the Demonstration stage from the DSRP) involves a ‘desk check’ using both in-house documentation relating to three digital forensic investigations and four narrative scenarios. The results of this exercise are fed back into the model design stage and alterations made as appropriate.
The main testing of the model (the DSRP Evaluation stage) involves independent verification and validation of the ADAM utilising two groups of ‘knowledgeable people’. The first group, the Expert Panel, consists of international ‘subject matter experts’ from the domain of digital forensics. The second group, the Practitioner Panel, consists of peers from around Australia that are digital forensic practitioners and includes a representative from each of the areas of relevance for this research, namely: law enforcement, commerce and incident response. Feedback from the two panels is considered and modifications applied to the ADAM as appropriate.
This thesis builds on the work of previous researchers and demonstrates how the UML can be practically applied to produce a generic model of one of the fundamental digital forensic processes, paving the way for future work in this area that could include the creation of models for other activities undertaken by digital forensic practitioners. It also includes the most comprehensive review and critique of process models incorporating the acquisition of digital forensics yet undertaken.
10
Ross, James P. "A risk management model for the Federal Acquisition Process/." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA368012.
Анотація:
Thesis (M.S. in Management) Naval Postgraduate School, June 1999."June 1999". Thesis advisor(s): David A. Smith, Mark E. Nissen. Includes bibliographical references (p. 155-158). Also available online.
11
Yu, Ting. "Stereo-Based Three-Dimensional Model Acquisition and Motion Detection." Thesis, University of Ottawa (Canada), 2010. http://hdl.handle.net/10393/28866.
Анотація:
Deformable models have a long tradition in computer graphics and computer vision. This thesis looks at the capture of surface deformation based on stereo vision. In recent years, 3D reconstruction and motion detection has attracted great attention. In this thesis a framework for 3D reconstruction from mutli-view images followed by isometry-based motion detection is proposed. For 3D reconstruction, the thesis proposes a multi-view stereo algorithm based on well-known window-based matching combined with fusion of multiple matching results. To improve the matching result, some low-level image processing algorithms, camera calibration and background detection are utilized. For window-based matching, a new hybrid matching method is introduced by combining both, a measure of intensity difference and intensity distribution difference. Multiple MVS pointclouds from different reference views are fused with two new fusion strategies to generate a better final reconstruction. To characterize the performance of our matching method and fusion strategies, an evaluation based on the quality of reconstruction is given in the thesis. Based on 3D pointclouds of object surface obtained with stereo, the deformation of the surface is captured. To generate dense motion vectors over a deformed surface, a simple window-based 3D flow method is applied by using isometry of the observed surface as its primary matching constraint. The method uses feature points as anchoring references of the surface deformation. Given a set of matched features no other intensity information is used and hence the method can tolerate intensity changes over time. The approach is shown to work well on two example scenes which capture non-rigid isometric and general deformations. The thesis also presents experiments demonstrating the stability of the geodesic approximation employed in the isometry-based matching when the 3D pointclouds are sparse.
12
Nicholson, Chris L. "A Markov Model for Marine Corps Acquisition Force Planning." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/7393.
Анотація:
This research is in response to a request by the Marine Aviation Detachment at Naval Air Station Patuxent River, MD. Currently, no manpower planning tools exist for force shaping of the Marine Corps Acquisition Community. This thesis creates a force shaping and forecasting tool for Marine Corps manpower planners. The tool assists planners in forecasting inventory levels across rank and Military Occupational Specialty combinations and in determining the most robust force structure for the acquisition officer community. Validation of the model reveals the usefulness of the planning tool for forecasting inventory levels, but it also indicates weakness in force structure analysis. This weakness is due to the small size and nascency of the current community, further data collection is required to validate the model for future use in force structure development.
13
Molnar, Raymond A. (Raymond Alexander) 1977. ""Generalize and Sift" as a model of inflection acquisition." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86820.
Анотація:
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.Includes bibliographical references (leaves 72-76).
by Raymond A. Molnar.
M.Eng.
14
Voisin, Sophie. "3D model acquisition, segmentation and reconstruction using primitive fitting." Dijon, 2008. http://www.theses.fr/2008DIJOS056.
Анотація:
La rétro-conception d'un objet 3D consiste à retrouver les parties principales, ou primitives, qui reconstruisent au mieux le nuage de points qui le décrit. Le succès du processus de reconstruction étant grandement influencé par les erreurs engendrées le long de la chaîne de rétro-conception, nous nous sommes intéressés à améliorer deux des étapes du procédé. Dans un premier temps, afin de minimiser les erreurs liées à l’acquisition du nuage de point au moyen d'un scanneur à projection de lumière structurée, nous présentons une méthode permettant de choisir les conditions optimales d’éclairage et les couleurs les plus adaptées pour l'apparence de l'objet en fonction des possibilités du scanneur utilisé. Puis, afin d’obtenir une représentation plus abstraite de l’objet tout en gardant une certaine précision et réalité des parties le composant, nous présentons des méthodes entrant dans le cadre de la représentation du modèle via les étapes de reconstruction et de segmentation. L’originalité de ces méthodes est l’utilisation des algorithmes génétiques permettant la représentation du modèle au moyen de primitives, dans notre cas des superquadriques ou des supershapes. Les particularités de ces méthodes résident dans la flexibilité apportée par les algorithmes génétiques dans le mécanisme de résolution des problèmes d’optimisation qui ne dépend pas de l’initialisation du processus, et dans possibilités de la représentation par supershapes permettant la reconstruction d’objets de formes très complexes. En dépit de temps de calcul relativement importants, les résultats obtenus montrent de bonnes performances en termes de reconstruction et de segmentation d’objets ou de scènesThe reverse engineering of a 3D object consists to identify the main parts or primitives, which best reconstruct its 3D point cloud. Because the success of the reconstruction process is greatly influenced by the errors generated along the reverse engineering chain, we focus our research on improving two phases of the process. Firstly, in order to minimize the point cloud acquisition errors associated with the use of a structured light projection scanner, we present a method to select the best illumination source and the best object appearance colors depending on the characteristics of the scanner used. Secondly, in order to obtain a simplified representation of the object while maintaining accuracy and realistic representation, we present novel 3D reconstruction and segmentation methods. The originality of these methods is the use of genetic algorithms to obtain the representation of the model using primitives, in our case using superquadriques or supershapes. The particularities of these methods lie in the flexibility provided by the genetic algorithms in solving optimization problems since they do not depend on the initialization process, and lie on the capabilities of the supershapes representation allowing to reconstruct very complex 3D shapes. Despite computing time relatively expensive, we present good performance results in terms of reconstruction and segmentation of objects and/or scenes
15
Telgen, S. J. "Motor learning during reaching movements : model acquisition and recalibration." Thesis, University College London (University of London), 2015. http://discovery.ucl.ac.uk/1464422/.
Анотація:
This thesis marks a departure from the traditional task-based distinction between sensorimotor adaptation and skill learning by focusing on the mechanisms that underlie adaptation and skill learning. I argue that adaptation is a recalibration of an existing control policy, whereas skill learning is the acquisition and subsequent automatization of a new control policy. A behavioral criterion to distinguish the two mechanisms is offered. The first empirical chapter contrasts learning in visuomotor rotations of 40° with learning left-right reversals during reaching movements. During left-right reversals, speed-accuracy trade-offs increased and offline gains emerged, whereas during visual rotations, speed-accuracy trade-offs remained constant and instead of offline gains, there was offline forgetting. I argue that these dissociations reflect differences in the underlying learning mechanisms: acquisition and recalibration. The second empirical chapter tests whether the dissociation based on time-accuracy trade-offs reveals a general property of recalibration or whether instead the interpretation is limited to the specific contrast between left-right reversals and visuomotor rotations. When the size of the prediction error– the difference between intended and perceived movement – was gradually increased participants switched from recalibration to control policy acquisition. This switching point can be derived by considering the role of internal models in recalibration: If the internal model that learns from errors and the environment are too dissimilar – e.g. in left-right reversal and large rotations– recalibration would cause the system to learn from errors in the wrong way, such that prediction errors would increase further. To address this problem the final empirical chapter explores if the way the system learns from errors can be reversed. In conclusion, the results provide behavioral criteria to differentiate between adaptation and skill learning. By exploring the boundaries of recalibration this thesis contributes to a more principled understanding of the mechanisms involved in adaptation and skill learning.
16
Bauer, Louis M., and Marc M. Meeker. "An acquistion [i.e. acquisition] leader's model for building collaborative capacity." Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/10738.
Анотація:
MBA Professional ReportThis report begins by defining collaboration. Next, the report provides examples of how effective collaboration within the Defense's (DoD) acquisition community is lacking. Based on these examples, the project asks its main research question: "How can DoD acquisition leaders improve their collaborative capacity to improve cost, schedule and performance?" Next, the project provides a model for how to do just that. The project, "An Acquisition Leader's Model for Building Collaborative Capacity" presents a three-step model. Step one is to assess and analyze collaboration capacity with regard to the elements of one's own organization, the organization's stakeholders, and the network (or the relationships between stakeholders). Next, based on the analyses from step one, step two calls for making plans to improve collaboration capacity, again, along the same elements previously analyzed: one's organization, stakeholders, and the network. Lastly, the model calls for executing the plans made in step 2. This process is repeated until the desired collaboration capacity has been reached. Last, the project provides a detailed hypothetical example of how the model can be applied.
17
Reid, Jack Burnett. "Assessing and mitigating vulnerability chains in model-centric acquisition programs." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/117789.
Анотація:
Thesis: S.M., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2018.Thesis: S.M. in Technology and Policy, Massachusetts Institute of Technology, School of Engineering, Institute for Data, Systems, and Society, Technology and Policy Program, 2018.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged student-submitted from PDF version of thesis.
Includes bibliographical references (pages 143-157).
Acquisition programs increasingly use model-centric approaches, generating and using digital assets throughout the lifecycle. Model-centric practices have matured, yet in spite of sound practices there are uncertainties that may impact programs over time. The emergent uncertainties (policy change, budget cuts, disruptive technologies, threats, changing demographics, etc.) and related programmatic decisions (e.g., staff cuts, reduced training hours) may lead to cascading vulnerabilities within model-centric acquisition programs, potentially jeopardizing program success. Program managers are increasingly faced with novel vulnerabilities. They need to be equipped with the means to identify model-centric program vulnerabilities and determine where interventions can most effectively be taken. In this research, Cause-Effect Mapping (CEM), a vulnerability assessment technique, is employed to examine these vulnerabilities. Using a combination of literature investigation, expert interviews, and usability testing, a CEM is created to represent the novel vulnerabilities posed by model-centric practices in acquisition programs. Particular attention is paid to cybersecurity vulnerabilities, which pose a serious threat to the successful implementation of model-centric practices. From this CEM, key gaps in program manager knowledge and organizational policies are identified and potential responses proposed.
Naval Postgraduate School Acquisition Research Programs Grant No. N00244-17-1-0011
by Jack Burnett Reid.
S.M.
S.M. in Technology and Policy
18
Sanoudaki, Eirini. "A CVCV model of consonant cluster acquisition : evidence from Greek." Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1446084/.
Анотація:
The aim of this thesis is to develop a model of the acquisition of consonant clusters within the phonological framework of CVCV theory. This is the first attempt to link CVCV to the area of language acquisition. It thus provides a new domain within which CVCV can be evaluated against other phonological theories. The core claim of CVCV is that syllable structure consists solely of onsets and nuclei, without any branching constituents. Consonant clusters are separated by empty nuclei, whose distribution is controlled by binary parameters. The model developed in this thesis is based on the assumption that a central part of the acquisition process is the gradual setting of these parameters to the appropriate value. The model, apart from covering familiar acquisition data, makes a number of predictions about the order of acquisition of consonant clusters. Of particular importance are predictions regarding word initial clusters of non-rising sonority, whose acquisition has attracted little attention. The predictions are tested against experimental data of cluster production by fifty-nine children acquiring Greek as their first language. The experimental results indicate that a CVCV model can account for consonant cluster acquisition. With regard to word initial position, the results support the proposed CVCV analysis by providing evidence for the existence of a word initial Onset-Nucleus unit. Moreover, the notoriously complex issue of s+consonant clusters is examined, and new evidence for the structure and markedness of these clusters is provided. Finally, the results offer a new perspective on a manner dissimilation phenomenon in Greek, whereby clusters of two voiceless fricatives or two voiceless stops turn into a fricative plus stop. A parametric analysis, based on segmental complexity, is proposed, and it is argued that this analysis can explain the acquisition data as well as the historical evolution of Greek clusters.
19
Cluff, Sarah Zitting. "A Model of Grammatical Category Acquisition Using Adaptation and Selection." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4086.
Анотація:
By the later preschool years, most children have a knowledge of the grammatical categories of their native language and are capable of expanding this knowledge to novel words. To model this accomplishment, researchers have created a variety of explicit, testable models or algorithms. These have had partial but promising success in extracting grammatical word categories from transcriptions of caregiver input to young children. Additional insight into children's learning of the grammatical categories of words might be gained from evolutionary computing algorithms, which apply principles of evolutionary biology such as variation, adaptive change, self-regulation, and inheritance to computational models. The current thesis applied such a model to the language addressed to five children, whose ages ranged from 1;1 to 5;1 (years;months). The model evolved dictionaries linking words to their grammatical tags and was run for 4000 cycles; four different rates of mutation of offspring dictionaries were assessed. The accuracy for coding the words in the corpora of language addressed to the children averaged 92.74%. Directions for further development and evaluation of the model are proposed.
20
Rubinstein, Judith. "Study of the Light Utility Helicopter (LUH) acquisition program as a model for defense acquisition of non-developmental items." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/44655.
Анотація:
Approved for public release; distribution is unlimitedThe UH-72A Light UtilityHelicopter (LUH)was acquired for performance of general support tasks (training, medical evacuation, law enforcement, etc.) in permissive (non-combat) environments, to replace Vietnam-era helicopters, and to free up Black Hawk UH-60 helicopters for combat use. This acquisition program is the Army’s first major acquisition of commercially available helicopters subsequently modified for military use. Although initial testing and use indicated the need for unforeseen modifications to the helicopters, in most respects, this program was successful. The successes included expeditious acquisition and fielding, avoidance of excessive costs, and acquisition of helicopters that incorporated the latest available technology (developed at industry, not at government, expense). Additionally, the helicopters could be, and were, readily tailored for diverse uses. Also, they highly satisfied users’ requirements. Finally, all deliveries were on-time or ahead of schedule. These successes occurred largely because the UH-72A was a non-developmental item with mature technology at the time of acquisition. The time and expense that would otherwise have been needed for development and for ramp-up of production were avoided. Additional factors contributing to the success of the program were clear definition of the requirement, avoidance of scope creep, and close cooperation among all stakeholders.
21
Weyrich, Tim Alexander. "Acquisition of human faces using a measurement-based skin reflectance model /." Zürich : ETH, 2006. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16741.
22
Quarterman, Martyn. "Acquisition of higher-order professional competencies : a new synergistic learning model." Thesis, Anglia Ruskin University, 2017. http://arro.anglia.ac.uk/701818/.
Анотація:
Context This research centres on the acquisition of professional competencies by graduates who have recently entered the construction industry. Many professional competencies involve critical thinking and subjective decision-making under conditions of uncertainty and variability; and therefore require higher-order abilities to accomplish. The acquisition of these competencies has been shown to be problematic, difficult to achieve and to take longer than anticipated. The aim of this research was to determine if acquisition could be enhanced and/or accelerated. Research Design The research design adopted a mixed methods approach. The study commenced by identifying and defining the problematic competencies through a process of qualitative research. This was followed by analysis of existing learning theories and non-traditional learning techniques that had been applied in other contexts through a search of the literature and published accounts of applications. The analysis identified constituent parts of theories and practice which were developed into an innovative learning model. The model was tested through a process of quantitative research conducted using a controlled experiment with a sample of new-entrant graduates employed by professional firms. Findings The research produced a new model of learning comprising a unique combination of learning theories, practices and applicational constituents which acted in a synergistic way to enhance the acquisition of higher-order professional competencies. The research identified synergy as an important factor in the design and efficacy of the model, hitherto not recognised. Conclusions The research has shown that higher-order professional competencies can be acquired faster and more effectively. It has developed and extended the learning theory of Bancroft, Burguillo, Lui et al and others through the identification of synergy as a significant factor. The research concludes by demonstrating that the learning model can reasonably be transferred to other new-entrants within the built environment industry and generalised to the development of graduate new-entrants in other professional sectors.
23
Quarterman, Martyn. "Acquisition of higher-order professional competencies: a new synergistic learning model." Thesis, Anglia Ruskin University, 2017. https://arro.anglia.ac.uk/id/eprint/701818/1/Quarterman_2017.pdf.
Анотація:
Context:
This research centres on the acquisition of professional competencies by graduates
who have recently entered the construction industry. Many professional
competencies involve critical thinking and subjective decision-making under
conditions of uncertainty and variability; and therefore require higher-order abilities
to accomplish. The acquisition of these competencies has been shown to be
problematic, difficult to achieve and to take longer than anticipated. The aim of this
research was to determine if acquisition could be enhanced and/or accelerated.
Research Design:
The research design adopted a mixed methods approach. The study commenced
by identifying and defining the problematic competencies through a process of
qualitative research. This was followed by analysis of existing learning theories and
non-traditional learning techniques that had been applied in other contexts through a
search of the literature and published accounts of applications. The analysis
identified constituent parts of theories and practice which were developed into an
innovative learning model. The model was tested through a process of quantitative
research conducted using a controlled experiment with a sample of new-entrant
graduates employed by professional firms.
Findings:
The research produced a new model of learning comprising a unique combination of
learning theories, practices and applicational constituents which acted in a
synergistic way to enhance the acquisition of higher-order professional
competencies. The research identified synergy as an important factor in the design
and efficacy of the model, hitherto not recognised.
Conclusions:
The research has shown that higher-order professional competencies can be
acquired faster and more effectively. It has developed and extended the learning
theory of Bancroft, Burguillo, Lui et al and others through the identification of
synergy as a significant factor. The research concludes by demonstrating that the
learning model can reasonably be transferred to other new-entrants within the built
environment industry and generalised to the development of graduate new-entrants
in other professional sectors.
24
Mikić, Ivana. "Human body model acquisition and tracking using multi-camera voxel data /." 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?p3036991.
25
PEH, LIK CHUN. "DEVELOPMEMNT OF A MODELING AND SIMULATION TRAINING NEEDS MODEL FOR SELECTED DEFENSE ACQUISITION WORKFORCE COMMUNITIES." Master's thesis, University of Central Florida, 2008. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2868.
Анотація:
The DoD Modeling and Simulation Steering Committee (M&S SC) identified Modeling and Simulation (M&S) as an educational objective for the Acquisition, Technology and Logistics (AT&L) workforce. Notably, past usages of M&S in system acquisitions for both DoD and commercial industry have demonstrated improvements in efficiency and effectiveness over traditional acquisition techniques. However, to achieve expected and consistent performance by this workforce in these new techniques, the M&S essential skill requirements for this workforce may be extensive. This research aims to validate the content and level of competency in selected M&S tools and technology necessary for consistent workforce performance. The notion here is to achieve greater efficiency and effectiveness in the acquisition process through thresholds of competency that must be resident in or available to the acquisition workforce. This research proposes a matrix of training objectives and levels of competency for portions of the AT&L workforce that was validated through survey by individuals who are leading experts in both M&S and acquisition. This effort combines rigorously defined learning objectives and parameters by academia with practical learning insights from the military and industry ground perspectives. The resultant Joint Learning Model aims to identify the workforce educational foundations necessary to achieve more widespread efficiency and effectiveness in current and future DoD acquisitions.M.S.
Department of Industrial Engineering and Management Systems
Engineering and Computer Science
Industrial Engineering MS
26
Liu, Ying. "Analyzing an acquisition model and optimizing stock abnormal return using simulation techniques." Thesis, Waterloo, Ont. : University of Waterloo, 2003. http://etd.uwaterloo.ca/etd/y22liu2003.pdf.
Анотація:
Thesis (MASc)--University of Waterloo, 2003."A thesis presented to the University of Waterloo in fulfillment of the thesis requirement for the degree of Master of Applied Science in Management Sciences." Includes bibliographical references.
27
Miller, Marvin Lewis. "Improvement of JANUS target acquisition using a fuzzy logic human factors model." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1994. http://handle.dtic.mil/100.2/ADA282040.
Анотація:
Thesis (M.S. in Computer Science) Naval Postgraduate School, March 1994.Thesis advisors, Sehung Kwak, Judith H. Lind. AD-A280 040. "March 1994." Includes bibliographical references (p. 113-114). Also available online.
28
Botsakos, Michael T. "A venture capital mixed model for the acquisition of defense software products." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Jun%5FBotsakos.pdf.
Анотація:
Thesis (M.S. in Modeling, Virtual Environments and Simulation (MOVES))--Naval Postgraduate School, June 2007.Thesis Advisor(s): Rudolph Darken "June 2007." Includes bibliographical references (p. 43-44). Also available in print.
29
Snyman, Janetta Adriana. "A foreign direct investment model for tourism property acquisition / by J.A. Snyman." Thesis, North-West University, 2007. http://hdl.handle.net/10394/4318.
30
Bayazitoglu, Ayse. "A computational model of skill and concept acquisition in abductive problem-solving /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487862972135822.
31
Cabaj, Stacey. "THE ELIZA-HIGGINS MODEL: THE IDEOLOGY, RAPPORT AND METHODS OF DIALECT ACQUISITION." VCU Scholars Compass, 2012. http://scholarscompass.vcu.edu/etd/318.
Анотація:
George Bernard Shaw’s Pygmalion (1912) and its musical adaptation, My Fair Lady (1956) offer 20th century’s most famous example of dialect acquisition: the transformation of Eliza Doolittle under the tutelage of Professor Henry Higgins. The opportunity to work on Barksdale Theatre’s production of My Fair Lady (2012), both as the actress playing Eliza Doolittle and as a dialect coach for the production, prompted an analysis of the dialect pedagogy of Henry Higgins. The centenary of Pygmalion is also a prime juncture to document, in contrast or complement to Higgins’ model, contemporary theories and techniques of dialect pedagogy. Chapter one of this thesis explores the ideology of dialect acquisition, addressing the issues of dialect prestige and standard speech. Chapter two examines the rapport between teacher/coach and learner/actor, including a comparison of teacher-centered and learner-centered pedagogies and the influence of expectancy theories on learner growth. Chapter three details the methods of dialect acquisition, addresses language learning theories as applied to dialect learning, and offers practical exercises and techniques. The conclusion outlines areas of future consideration to enhance the dialect acquisition process in the classroom and rehearsal hall.
32
Lian, Ania B. "A dialogic model of inquiry in second language teaching : toward the concept of a critical approach to pedagogic research /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19286.pdf.
33
Holmberg, Johannes. "English as a Second Language Acquisition through Social Media Usage : Proficiency acquisition in the Swedish Upper-secondary ESL classroom." Thesis, Högskolan Dalarna, Engelska, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:du-30078.
Анотація:
Via a systematic literature review, this thesis investigates the possible benefits of employing social media as a learning tool in English as a second language classroom. The thesis is focused on the motivation for learning, potential grammar and vocabulary gains as results of using social media at the upper-secondary level. This systematic literature review is relevant since the current Swedish upper-secondary school’s curriculum promotes technology implementation and at the same time social media has become an everyday feature of many students’ lives. In order to measure the possible benefits of social media, this thesis uses a modified version of Koole’s (2009, p. 27) The Framework for the Rational Analysis of Mobile Education (FRAME) model, which originally was used to determine the optimal way for learning on a mobile platform. This thesis adapted that model and altered it to be applicable for social media platforms instead of mobile devices. The literature review found relevant peer-reviewed studies for this topic through a scholarly education database. The age of the participants in the chosen studies vary from 15-19 years old, and all the chosen studies focus on English as a second language in relation to an education system. The reviewed studies show that social media usage is mainly beneficial for motivation to enhance English vocabulary and grammar proficiency. However, social media usage does not show any significant benefits for grammar proficiency and vocabulary gains when students engage with social media. Although motivation to partake on various social media platforms in ESL does show that students tend to have a desire to expand their ESL knowledge. This review study is in agreement with the reviewed studies regarding the potential benefits of social media for ESL. The reviewed studies on their own were inconclusive as to why social media usage was beneficial. By comparing all the studies result, this literature review thesis promotes the idea that it is the social factor from engaging with social media that is the main reason that motivates students to acquire further ESL knowledge in a school setting or extramurally. Thus, the thesis suggests that an integration of social media in the Swedish upper-secondary school should be taken into consideration due to its proven motivational benefits
34
Bilir, Nevzat. "A Proposed Model For Turkish Land Forces Command Software Intensive Systems Acquisition Process." Thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/260161/index.pdf.
Анотація:
Turkish Land Forces Command uses information technology opportunities to
satisfy its needs arising from the obligation for being a strong army. One of the main
difficulties in using information technologies is the acquisition of these systems.
This thesis reviews the fundamentals of software intensive systems
acquisition process and then proposes a new model for Turkish Land Forces
Command. Software acquisition process models are discussed and compared with
each other. The current Turkish Land Forces Command acquisition process is studied
to state the management, legal, resource, and industrial problems within the
comtemporary models’
perspective. The focus of this thesis study is proposing an acquisition model based on four international models, successes of which have been proven.
35
Victor, Ian. "A financial due-diligence model to assess merger and acquisition viability / Ian Victor." Thesis, North-West University, 2007. http://hdl.handle.net/10394/1595.
36
Preston, John M. "Realism, relativism, pluralism : themes in Paul Feyerabend's model for the acquisition of knowledge." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329001.
37
Amuah, James Fisher. "KAT-MeD : a task and model driven knowledge acquisition tool for medical diagnosis." Thesis, University of Greenwich, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335648.
38
Montazerhodjat, Vahid. "Photon-limited time of flight depth acquisition : new parametric model and its analysis." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79231.
Анотація:
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2013.Cataloged from PDF version of thesis.
Includes bibliographical references (p. 83-87).
As 3-D imaging systems become more popular, the depth estimation which is their core component should be made as accurate as possible at low power levels. In this thesis, we consider the time of flight depth acquisition problem at low photon counts. We first formulate the received light intensity at the photodetector as the convolution of the source intensity and another signal which we call the scene impulse response. We then present a new framework to calculate the scene impulse response given the scene depth. Using that framework, we propose a richer parametric model than the model being used in existing technologies. We use the maximum likelihood algorithm with our proposed model on simulated data to estimate the depth parameters of the scene. The simulation results show a uniformly better performance for our model relative to the conventional model.
by Vahid Montazerhodjat.
S.M.
39
Mancuso, Vincent M. "Fighter Pilot Ground-Based Information Acquisition: A Conceptual Model for Information Systems Design." NSUWorks, 1993. http://nsuworks.nova.edu/gscis_etd/696.
Анотація:
The primary purpose of this dissertation was to develop a conceptual model for information systems design based on a qualitative analysis of the fighter pilot's environment. The model was derived from the fighter pilot's conceptions and perceptions of his informational environment. The resultant model and the corresponding environmental specification can serve as the conceptual cornerstones for further development by providing the designers a common conceptual focal point for further information system design. The model used for overall information systems design was the Rolland & Cauvet development model. This model identifies two independent development domains: requirements engineering and design engineering.
This dissertation represents the requirements engineering work. The approach selected in developing the requirements engineering aspect was Checkland's Soft Systems approach. Checkland's approach was suited to this project due to its model building orientation and its ability to handle the complexity and flexibility dictated by real-world human activity.
The cognitive model, recommendations, hypotheses, and conclusions serve as an important step toward development of the fighter pilot's ground-based information system. There had been very little research, however, that addressed the cognitive structure and processes pilots use to develop memory frames necessary for airborne situational awareness. The goal of this project was to develop the first stage of a process leading to an inquiry system that will be used to augment the pilot's inquiry and conceptual structure building to capture the inherent complexity of this multidimensional environment, the researcher observed fighter pilots in their natural environment utilizing the multiple-site case study methodology supplemented by other qualitative data sources. The researcher utilized these data to develop the conceptual model. In addition, findings were derived, recommendations were generated and hypotheses were extracted using the Checkland model as a guide. The Glaser and Struass Constant Comparative Method was used for data analysis. The researcher identified the information environment as having two distinctly different components: structure and process. Seven versions of the model were presented in this iterative development effort. The dissertation is concluded with a series of recommendations, implications and conclusions that serve as the link between the conceptual model and the future work on the information system that will be completed by design engineers.
40
Bailey, Charles W. "The Coalition for Networked Information's Acquisition-on-Demand Model: An Exploration and Critique." Pierian Press, 1992. http://hdl.handle.net/10150/106086.
Анотація:
Scholarly communication is being revolutionized by widespread access to international, noncommercial computer networks, such as BITNET and Internet. I will call these interconnected networks, along with their commercial counterparts, the "Net." The Net has become an essential communication tool for librarians, scholars, and researchers. Recognizing these changes, the Coalition for Networked Information has sketched a new model for scholarly publication, which envisions electronic article files being stored on Net computers and being available upon demand. The acquisition-on-demand model raises many questions about how such an electronic service would function in detail. This paper will identify a number of possible dimensions of the model and provide some personal reactions to this expanded view of the model. It will focus on serials that are primarily published in electronic form on networks (these journals also may be published in microfiche, floppy disk, or another format for distribution to non-network users).
41
Yang, Wenfeng. "Design of a Knowledge Acquisition Tool using A Constructivist Approach for Creating Tailorable Patient Education Materials." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/1194.
Анотація:
Research in patient education suggests that tailored educational materials can improve patient's understanding of a treatment plan and help to achieve patient engagement and compliance. The goal of the HealthDoc Project has been the creation of automated Natural Language Generation systems for producing educational materials that are tailored to an individual patient's medical condition and personal situation. The project has so far focused on developing computational linguistic tools needed to author tailorable content from which customized versions could be generated. Also the HealthDoc model of document generation assumes the existence of previously authored textual material. Therefore, a new approach is needed to construct these materials and ensure that the relevant medical knowledge will be captured and delivered to the patient by providing a means to assist the health care professionals in directly authoring the required domain knowledge. We have used constructivist educational theory and knowledge-level modelling to define a new approach incorporating Patient-centric and Behaviour-modifying Educational Model (PBEM) and a knowledge-acquisition framework. Unlike traditional approaches, in which all patients are treated alike in terms of the medical information provided, our new model takes into account characteristics of individual patients. This facilitates the patient's assimilation of relevant information pertaining to her behaviour and health. As the information provided must address the various concerns of different stakeholders, and different patients have different concerns and concern intensities, a knowledge-acquisition framework was developed to provide a structure for patient knowledge acquisition. This framework includes the following components: a Strategic Model, a Concerns Model, and an Interrogation-based knowledge-acquisition Tool. The tool is intended to be used directly by health care professionals and to assist them in formulating, structuring, representing, and articulating their domain knowledge. This research work explores a new field, knowledge-level modelling, for generating patient-tailored educational materials and provides guidelines to implementing such a knowledge-acquisition tool.
42
Ehrman, Lisa M. "Automatic target recognition using passive radar and a coordinated flight model." Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131128/unrestricted/ehrman%5Flisa%5Fm%5F200405%5Fms.pdf.
43
Chia, Wee Lee. "Enhancement of the acquisition process for a combat system a case study to model the workflow processes for an Air Defense System Acquisition." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Dec/09Dec%5FChia%5FWee%20Lee.pdf.
Анотація:
Thesis (M.S. in Computer Science)--Naval Postgraduate School, December 2009.Thesis Advisor(s): Michael, James Bret ; Shing, Man-Tak. "December 2009." Description based on title screen as viewed on February 01, 2010. Author(s) subject terms: Acquisition process, concept-refinement phase, GQM Method, use case analysis, activity diagram, workflow process, StateChart Assertions, runtime execution monitoring. Includes bibliographical references (p. 45-47). Also available in print.
44
Mayer, Kaylea. "The facilitative effects of the acquisition of one linguistic structure on a second pedagogical implications of the competition model /." Connect to Electronic Thesis (ProQuest) Connect to Electronic Thesis (CONTENTdm), 2008. http://worldcat.org/oclc/436714825/viewonline.
45
Ekström, Thomas. "Public Private Business Models for Defence Acquisition : A Multiple Case Study of Defence Acquisition Projects in the UK." Licentiate thesis, Division of Engineering Logistics, Department of Industrial Management and Logistics, Lund University, Lund, Sweden, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-9061.
Анотація:
Since the ending of the Cold War, the defence sector, particularly the areas of military logistics and defence acquisition, has been undergoing a comprehensive transformation. There are several factors that explain this transformation: changes in defence and security policies for nations and organisations; reductions in defence expenditure; participation in Peace Support Operations; Lessons Learned from these operations, especially in the area of logistics; revolutionary development in the area of Information and Communication Technology; emergence of novel Commercial Best Practises in the areas of business and business logistics; and changes in the legislation regarding the conduct of public procurement in Europe. In military logistics, the relatively easily described static supply and support chains of the Cold War Era, designed for military units that stood in preparedness, Just-in-Case, of full-scale military conflicts in Europe, are now being substituted for flexible, dynamic operational supply and support chains, designed for military units that are deployed on Peace Support Operations around the globe. Hence, new types of missions have to be provided for. As a consequence, new military concepts have to be considered; new technology is being implemented; and new Commercial Best Practises are being evaluated, adapted and adopted; in order to enhance performance and ensure Value-for-Money. In defence acquisition, the single Business Model of the Cold War Era, i.e. procurement of equipment, is being replaced by a spectrum of emerging Business Models, ranging from the traditional procurement of equipment, via acquisition of equipment and support, to acquisition of availability and capability, i.e. acquisition of performance. Consequently, new Commercial Best Practises are being evaluated, adapted and adopted; Commercial and Military-Off-The-Shelf products and services are being utilised; and Public Private Participation, Cooperation, and Partnerships are being investigated and initiated; in order to enhance performance and ensure Value-for-Money, while simultaneously mitigating operational risk in the supply and support chains. This licentiate thesis reports on a research project that was commissioned by FMV, the Swedish Defence Materiel Administration, and conducted in order to "study, analyse, and evaluate Business Models regarding how they can handle the new supply concept that a new logistical interface brings about, with a particular emphasis on the risk taking that is part of the business concept". This research purpose was used to formulate three Research Questions: • Research Question 1: How can a generic Business Model for a non-profit, governmental, Defence Procurement Agency be described? • Research Question 2: Which strengths and weaknesses do different Business Models have in the context of defence acquisition? • Research Question 3: Which risks are associated with different Business Models in the context of defence acquisition? Using constructs from: Business Model theory, Public Private Participation theory, defence acquisition theory and practise, and military logistics theory and practise; a generic Public Private Business Model for defence acquisition was developed. The generic model consists of numerous variables, which enables an array of possible configurations. The model was used in a multiple case study to describe and analyse four defence acquisition projects in the UK. The multiple case study demonstrated that the generic Public Private Business Model is useful in order to describe defence acquisition projects. The model has also demonstrated that it is useful in order to analyse acquisition projects, including performance and risk. The Public Private Business Model has demonstrated its usefulness by discovering internal and external misalignments. The internal misalignments are Business Model configurations where the different building blocks are working against each other. The research has revealed examples where the mitigation of operational risk in the supply and support chains creates new risks in other building blocks. An external misalignment occurs when a Business Model configuration works against the deal for which it was designed, or the strategy that it is intended to realise. The research has revealed examples where there is a risk that the Business Model configuration is detrimental to the overarching strategy, e.g. transferring risk to the private sector or incentivising industry to enhance performance. Hence, the Public Private Business Model ought to be useful to identify and eradicate negative patterns and to identify and reinforce positive patterns. The research has revealed three potential generic problems for Performance Based Contracts: a "definition problem" (i.e. what to measure); a "measurement problem" (i.e. when, where and how to measure); and a "comparison problem" (i.e. with what to compare). The research results demonstrate that it must be made explicit which dimensions of performance; e.g. speed, quality, cost, flexibility and dependability; that should be measured, and why others should be omitted. The research suggests that performance must be explicitly specified for any Performance Based Contract in order to avoid any unnecessary problems with interpretations. Furthermore, the research indicates that performance metrics must be explicitly described. In addition, the results emphasise the importance of having an established baseline, against which to compare the measurements of Key Performance Indicators.
46
Got, Elisa, and Fabrice Sanz. "Merger & Acquisition : Avoiding the path of decay." Thesis, Linköping University, Department of Management and Economics, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1023.
Анотація:
Background : Globalisation has led company to think globally and act locally. Such a change in the business world have made emerge the need to find partner around the world, and even to merge with complementary companies in order to sustain the corporate strategic advantage and to create value.
Purpose : The objective of this paper is to integrate major Merger & Acquisitions theories in order to establish a warning model pointing out the main pitfalls changing promising motivations into failed implementation in the process of Merger & Acquisition. Such a model will aim at preventing managers engaged in a transnational horizontal merger from the potential hazards leading to value destruction.
Delimitations : We choose to focus on the transnational merger because it should play with different national management and with the consequent variance in cultural distance ; the human and social context appears more clearly as fundamentally variable when a merger involves different sensibilities.
Results : After having integrated the main theoretical finding into a holistic framework which enabled us to shape a warning model we tested successfully in case of Pharmacia-Upjohn merger, which aims at analysing the general risks of one strategic merger or/and the following implementation process.
47
Loftus, Kirk J. "A parametric cost model for estimating acquisition costs of conventional U.S. Navy Surface Ships." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA371072.
Анотація:
Thesis (M.S. in Operations Research) Naval Postgraduate School, September 1999."September 1999". Thesis advisor(s): Timothy P. Anderson. Includes bibliographical references (p. 83-84). Also Available online.
48
Brook, Sapoty, and mikewood@deakin edu au. "A physical theory of organisation and consequent neural model of spatio-temporal pattern acquisition." Deakin University. School of Architecture and Engineering, 1987. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050825.121850.
Анотація:
A neurone model (the FORMON) is proposed which provides a mathematical explanation for a range of psychological phenomena and has potential in Artificial Intelligence applications. A general definition of organisation in terms of entropy and information is formulated. The concept of microcodes is introduced to describe the physical nature of organisation.
Spatio-temporal pattern acquisition and processing functions attributable to individual neurones are reviewed. The criterion for self-organisation in a neurone is determined as the maximisation of mutual organisation. A feedback control system is proposed to satisfy this criterion and provide an integrated long-term memory of spatio-temporal pattern. This pattern acquisition system is shown to be applicable to dendritic pattern recognition and axonal pattern generation. Provision is also made for adaptation, short-term memory and operant learning.
An electro-chemical model of transmission and processing of neural signals is outlined to provide the pattern acquisition functions of the Formon model. A transverse magnetic mode of electrotonic propagation is postulated in addition to the transverse electromagnetic mode.
Configurations of the Formon are categorised in terms of possible pattern processing functions. Connective architectures are proposed as self-organising models of acquisitive semantic and syntactic networks.
49
Treleaven, James Burris. "A protocol study of a complexity model of information acquisition from graphs and tables." Case Western Reserve University School of Graduate Studies / OhioLINK, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1059052459.
50
Barros, Joao Paulo Soares de. "An integrating model for the acquisition and use of metallurgical coals in steel works." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535998.