Academic literature on the topic 'Switch-reference'

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Journal articles on the topic "Switch-reference"

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Keine, Stefan. "Deconstructing switch-reference." Natural Language & Linguistic Theory 31, no. 3 (May 21, 2013): 767–826. http://dx.doi.org/10.1007/s11049-013-9194-8.

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Clem, Emily. "Against non-reference-tracking theories of switch-reference." Proceedings of the Linguistic Society of America 3, no. 1 (March 3, 2018): 29. http://dx.doi.org/10.3765/plsa.v3i1.4317.

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Recent accounts of switch-reference have suggested that direct reference tracking is not involved. Instead, these accounts have sought to derive patterns of switch-reference from other independently attested phenomena such as control and coordination. What these diverse theories have in common is the prediction that same subject constructions should contain only one instance of a subject DP. I present evidence from Amahuaca showing that overt DP subjects can appear in both clauses in same subject constructions, contra the predictions of these non-reference-tracking theories. However, there is also evidence that Amahuaca same subject marked clauses are structurally smaller than different subject marked clauses. This size asymmetry is predicted by non-reference-tracking accounts but not by traditional direct reference-tracking theories. Thus while the Amahuaca data provide evidence against non-reference-tracking theories of switch-reference, they suggest that direct reference-tracking accounts must also be modified in order to account for the full range of data.
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Comrie, Bernard, and David P. Rising. "Switch reference in Koasati discourse." Language 70, no. 2 (June 1994): 403. http://dx.doi.org/10.2307/415871.

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Treis, Yvonne. "Switch-reference and Omotic-Cushitic Language Contact in Southwest Ethiopia." Journal of Language Contact 5, no. 1 (2012): 80–116. http://dx.doi.org/10.1163/187740912x624469.

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Africa has up until now been considered a continent where switch-reference systems are extremely rare. This study shows that there is a confined area in the South of Ethiopia where many Omotic languages and a few Cushitic languages have fully grammaticalised switch-reference systems on dependent (co-)subordinate non-final verbs, so-called converbs. The paper describes in detail the switch-reference system of Kambaata (Cushitic) and gives an overview of the distribution of switch-reference systems in Ethiopia in general. It is argued that switch-reference marking in Cushitic languages is the result of contact with neighbouring Omotic languages.
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Assmann, Anke. "An interclausal agreement approach to switch-reference in Quechua." Linguistic Variation 12, no. 2 (December 31, 2012): 103–52. http://dx.doi.org/10.1075/lv.12.2.01ass.

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In this paper, I propose that switch-reference in Quechua can best be analyzed as agreeing tense. Given the properties of the Quechuan switch-reference system and the clause structure of Quechua, I assume that a switch-reference adverbial clause does not have a valued tense feature and must agree with its superordinate clause in tense. Tense agreement is only possible if the subjects of both clauses are identical. The same subject marker is analyzed as the realization of successful tense agreement, while the different subject marker is the realization of failed agreement. I argue that this approach to switch-reference is conceptually as well as empirically compelling and raises the interesting question as to whether switch-reference is a true morphosyntactic category or not. Keywords: switch-reference; Quechua; Agree; minimalist framework; non-local dependencies
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Lv, Ming, and Siyuan Hu. "Asymmetrical Switch Costs in Spatial Reference Frames Switching." Perception 49, no. 3 (March 2020): 268–80. http://dx.doi.org/10.1177/0301006620906087.

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Previous studies found that the egocentric and allocentric reference frames are distinct in their functions, developmental trajectory, and neural basis. However, these two spatial reference frames exist in parallel, and people switch between them frequently in their daily lives. Using an allocentric and egocentric switching task, this study explored the cognitive processes involved in the switch between egocentric and allocentric reference frames and the possible asymmetry of switch costs. Sixty-two participants were tested in congruent (i.e., the target was on the same side in two reference frames) and incongruent conditions (i.e., the target was on a different side in two reference frames). The results indicated that the interaction between allocentric and egocentric reference frames was bidirectional and that the congruency effect was higher in the egocentric task than in the allocentric task. More important, the switch costs between allocentric and egocentric reference frames were found in both conditions, and the switch cost was higher for allocentric task. To our knowledge, this was the first study to focus on how switch costs and asymmetrical switch costs occur in allocentric and egocentric task switching.
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Enright, Paul. "Switch Now to Modern Spirometry Reference Equations." Annals of the American Thoracic Society 13, no. 6 (June 2016): 772. http://dx.doi.org/10.1513/annalsats.201604-239ed.

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Mithun, Marianne. ""Switch-Reference": Clause Combining in Central Pomo." International Journal of American Linguistics 59, no. 2 (April 1993): 119–36. http://dx.doi.org/10.1086/466192.

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Watkins, Laurel J. "The Discourse Functions of Kiowa Switch-Reference." International Journal of American Linguistics 59, no. 2 (April 1993): 137–64. http://dx.doi.org/10.1086/466193.

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Nichols, Lynn. "Direct Quotation and Switch Reference in Zuni." Annual Meeting of the Berkeley Linguistics Society 16, no. 2 (June 20, 1990): 91. http://dx.doi.org/10.3765/bls.v16i2.1665.

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Dissertations / Theses on the topic "Switch-reference"

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Rising, David P. "Switch reference in Koasati discourse." Dallas : Arlington : Summer Institute of Linguistics ; University of Texas at Arlington, 1992. http://books.google.com/books?id=RClZAAAAMAAJ.

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Stirling, Lesley. "Switch-reference and discourse representation /." Cambridge : Cambridge University Press, 1993. http://catalogue.bnf.fr/ark:/12148/cb355871743.

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Rice, Alexander Harrison. "Switch-Reference in Pastaza Kichwa." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7322.

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Pastaza Kichwa is a Quechuan language spoken in eastern Ecuador. This thesis describes its use of switch-reference which is traditionally understood to be an interclausal cross-referencing feature. Switch-reference is manifested by one of two morphemes that mark a subordinate clause as having either the same or different subject as another clause. Switch-reference has been described for other Quechuan languages and some of these studies present challenges to the theoretical underpinnings of switch reference (Stewart 1988, Dreidemie 2007) others present associated functions of switch-reference morphemes (Cole 1982). This study tests some of the propositions made about switch-reference in other Quechuan languages in Pastaza Kichwa.The data comes from the Corpus of Pastaza Kichwa which is a collection of 40 narrative texts. A broad statistical analysis of the switch-reference morphemes in the forty texts verified a distributional pattern posited by Stewart (1988). A sample of five texts was used for a closer in context analysis to examine adherence to proposed typological rules of canonical switch-reference, to test Stewart<'>s (1988) motivation for counter examples, and test additional functions proposed by Cole (1982).Analysis and results indicate that switch-reference in Pastaza Kichwa does not obey all of the typological rules of canonical switch-reference. Stewart<'>s proposed motivation proved inapplicable and potentially problematic, and that associated functions of switch-reference markers are due more to contextual factors rather than specific constructions.
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TSUJIMURA, NATSUKO. "A COMPREHENSIVE THEORY OF SWITCH-REFERENCE (TAIRORA, HOPI, WARLPIRI)." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184039.

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Switch-Reference (SR) is a phenomenon in which the coreferentiality of two (or more) subjects in a complex sentence is indicated by a morphological device. The purpose of this dissertation is to discuss recent work which deals with SR within the Government and Binding Theory, and propose an alternative analysis to it. The framework I will adopt for such an alternative analysis of SR is Categorial Grammar. A basic notion underlying Categorial Grammar is that an expression is divided into a functor and an argument, and each functor and argument are further divided into a functor and an argument until the division reaches to an undividable element. Given the assumptions that a functor and its argument must be compatible and that a functor has some subcategorization properties, I argue that "Agreement" phenomenon (subsuming agreement and disagreement) can be handled insightfully. Furthermore, I propose that such a treatment of "Agreement" can be extended to SR systems in general if we consider the "same subject" and "different subject" phenomena as cases of agreement and disagreement, respectively. I claim that a composite in which a SR morpheme appears forms a functor which takes another composite as its argument, and that the relation between the functor and its argument and the relation between some parts of the functor and its argument are characterized as "agreement" or "disagreement": The functor and the argument must be compatible as assumed above, and the nature of compatibility (whether "agreement" or "disagreement") is controlled by the subcategorization properties of the SR morpheme associated with the functor (i.e., if "same subject", the relation is agreement, and if "different subject", it is disagreement). By treating SR in this fashion, I intend to provide a unified analysis for apparently different SR systems in three diverse languages, namely, Tairora, Hopi, and Warlpiri.
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Nonato, Rafael. "Clause chaining, switch reference and coordination." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/87499.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Linguistics and Philosophy, 2014.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 147-152).
In this thesis I ponder over a constellation of phenomena that revolve around switch reference and coordination, drawing mainly on their instantiation in Kisedje (Je, Brazil). I start by investigating Klsedje's case system. In this language there is a case split along the finite/non-finite axis. I argue that nominative is assigned by INFL, whereas ergative is assigned to the subject of INFL-less clauses. Importantly, the particles I take to instantiated INFL in Kisedje don't have tense semantics, but rather modal semantics. Investigating other properties of this modal INFL in Klsedje, I can determine the fine structure of its clause. This knowledge allows me to argue that the construction that has been identified elsewhere as clause chaining is actually asymmetric clausal coordination. The special properties that seem to distinguish clause chaining from asymmetric clausal coordination are argued to fall out from the structure of the clause in Kisedje. I further propose that the same type of structure is found in the other languages where asymmetric coordination has been called clause chaining. Asymmetric clausal coordination in Kisedje features morphology which indicates whether adjacent conjuncts have the same or different subjects (switch-reference marking). Important evidence for understanding how switch-reference is computed will come from the study of a deletion phenomenon that happens in the neighborhood of switch-reference markers in Kisedje. Besides isolating evidence for a direct agreement relation between switch-reference marking conjunction and the subject of one of the conjuncts, this study makes a contribution to the theory of morphology. Knowing the structure of the clause in Kisedje and the featural composition of switch-reference markers allows me to support a specific theory of switch-reference computation. Given this theory, I argue that asymmetric coordination (the kind of coordination where switch-reference is marked) instances an X-structure, whereas symmetric coordination (which can't be marked for switchreference) instances a flat structure. Such structural difference also allows me to explain other differences between symmetric and asymmetric coordination. Thesis Supervisor:
by Rafael Nonato.
Ph. D.
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Finer, Daniel L. "The formal grammar of switch-reference." New York : Garland, 1985. http://books.google.com/books?id=xkxiAAAAMAAJ.

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Stirling, Lesley. "Switch-reference and logophoricity in discourse representation theory." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/24347.

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Petreski, Marjan. "Monetary-regime switch from exchange-rate targeting to inflation targeting : with reference to developing economies." Thesis, Staffordshire University, 2011. http://eprints.staffs.ac.uk/1921/.

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The objective of this thesis is to investigate whether a switch from exchange-rate targeting (de-facto a fixed exchange rate) to inflation targeting will facilitate a more appropriate monetary policy and a more stable macroeconomic environment in developing economies. To achieve this objective, the thesis starts by developing the argument that the exchange-rate peg, as a nominal variable, might be unimportant for affecting long-run growth performance, but detrimental to short-run output stability, particularly in times of real shocks. By using a dynamic system-GMM panel estimator, the research finds that the exchange-rate regime is not significant in explaining growth, either overall or in developing countries. Next, the Hausman-Taylor panel method is used to investigate whether the exchange-rate regime is important in determining output volatility. To overcome the spurious-regression problem arising from the potentially persistent rolling-standard-deviation based measure of output volatility, a new measure is defined; namely, the difference between the potential and the actual output, which might arise from either economic policies or external disturbances. The empirical evidence suggests that, for the overall sample and for the developing countries, a terms-of-trade shock larger than 7 percentage points under a fixed, and larger than 9 percentage points under limited-flexible and flexible exchange-rate regimes, will give higher output volatility compared to a float. These findings are in line with the expectation that pegs provide early gains in terms of inflation stabilization, but longer pegs begin to develop into a threat for output stabilization in the aftermath of an aggregate-supply shock and as the economy becomes more financially integrated. Given these findings, the thesis suggests the exchange rate be made flexible and a new nominal anchor established. The thesis argues that the direct targeting of inflation is a rational choice in the aftermath of peg exit. To investigate whether monetary-policy responses change and produce a more stable macroeconomic environment under regime switching from exchange-rate targeting to inflation targeting, allowing for the possibility of an endogenous switch, the thesis adopts the framework of a fairly classical Taylor rule, augmented by the exchange rate. Two modelling approaches are used to undertake the empirical research: a panel switching regression; and a Markov-switching VAR. Results from both suggest that inflation targeting represented a real switch in developing countries and is characterized by a more stable economic environment, by more independent monetary-policy conduct, by policy geared to strict observation of inflation and by marginal consideration of the real fluctuations of the economy.
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Ladd, Azya Dawn. "Lexical Aspect in-sha Verb Chains in Pastaza Kichwa." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9029.

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This thesis is a corpus and narrative-based description of how the lexical aspect of predicates with the switch reference same subject (SS) suffix -ʃa affects the meaning of utterances in Pastaza Kichwa (PK), a Quechuan dialect spoken in Amazonian Ecuador. The main purpose of this thesis is to describe how verb chains that use -ʃa are affected by lexical aspect. The secondary purpose is to compare these uses with current grammars, and determine whether there are more uses than are currently proposed in the most recent grammar of PK. The most recent grammar of PK lists the functions of the coreference -ʃa as being indicative of simultaneous and sequential actions (Nuckolls & Swanson, 2020). I argue that not only does the lexical aspect of predicates in a -ʃa verb chain determine simultaneity and sequentiality, but there is a third category of habitual action that is at least partially determined by the lexical aspect of -ʃa verb chains. After introducing the concept of switch reference, I introduce the concept of lexical aspect. From there I discuss my methodology and analysis, which is based on Van Valin’s (2006) tests and categories of lexical aspect. My analysis is composed of text examples from the Quechua Realwords (QRW) corpus (Nuckolls, 2021), and a PK narrative about Noah and the Flood. These are supplemented by examples from the Corpus of Pastaza Kichwa (CoPK) compiled by Rice (2018). These examples are used to demonstrate the lexical aspect of each verb in a -ʃa verb chain.
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de, Sousa Hilário. "The Menggwa Dla language of New Guinea." University of Sydney, 2007. http://hdl.handle.net/2123/1341.

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Doctor of Philosophy(PhD)
Menggwa Dla is a Papuan language spoken in Sandaun Province of Papua New Guinea and Kabupaten Jayapura of Papua Province, Indonesia. Menggwa Dla is a dialect of the Dla language; together with its sister language Anggor (e.g. Litteral 1980), the two languages form the Senagi language family, one of the small Papuan language families found in North-Central New Guinea. The main text of this thesis is divided into seven chapters. Chapter 1 introduces the linguistic, cultural and political landscapes of the Indonesia-Papua New Guinea border area where the Dla territory is located. Chapter 2 introduces the phonology of Menggwa Dla; described in this chapter are the phonemes, allophonic variations, phonotactics, morpho-phonological processes, stress assignment and intonation of the language. The inventory of phonemes in Menggwa is average for a Papuan language (15 consonants and 5 vowels). The vast majority of syllables come in the shape of V, CV or C1C2V where C2 can be /n/ /r/ /l/ /j/ or /w/. In C1C2V syllables, the sonority rises from C1 to V (§2.2.2). Nevertheless, there are a few words with word-medial consonant sequences like ft /ɸt/, lk /lk/, lf /lɸ/ or lk /lk/ where the sonority drops from the first to the second consonant; the first consonant in these sequences is analysed as the coda of the previous syllable (§2.2.3). Chapter 3 is an overview of the word classes in Menggwa Dla; the morphological, syntactic and semantic properties of the three major word classes (nouns, adjectives and verbs) and the minor word classes are compared in this chapter. Chapter 4 describes the properties of nouns and noun phrases; the person-number-gender categories, noun-phrasal syntax, nominal clitics and personal pronouns are outlined in this chapter. Menggwa Dla has a rich array of case, topic and focus markers which comes in the form of clitics (§4.5). Subject pronouns (‘citation pronouns’) only mark person (i.e. one for each of the three persons), whereas object and genitive pronouns mark person (including inclusive/exclusive first person), number, and sometimes also gender features (§4.6). Chapter 5 introduces various morphological and syntactic issues which are common to both independent and dependent clauses: verb stems, verb classes, cross-referencing, intraclausal syntax, syntactic transitivity and semantic valence. Cross-referencing in Menggwa Dla is complex: there are seven paradigms of subject cross-reference suffixes and four paradigms of object cross-references. Based on their cross-referencing patterns, verbs are classified into one of five verb classes (§5.2). There is often a mismatch between the number of cross-reference suffixes, the semantic valence, and the syntactic transitivity within a clause. There are verbs where the subject cross-reference suffix, or the object suffix, or both the subject and object suffixes are semantically empty (‘dummy cross-reference suffixes’; §5.3.2). Chapter 6 outlines the morphology of independent verbs and copulas. Verbal morphology differs greatly between the three statuses of realis, semi-realis and irrealis; a section is devoted to the morphology for each of the three statuses. Chapter 7 introduces the dependent clauses and verbal noun phrases. Different types of dependent verbs are deverbalised to various degrees: subordinate verbs are the least deverbalised, chain verbs are more deverbalised (but they mark switch-reference (SR), and sometimes also interclausal temporal relations), and non-finite chain verbs even more deverbalised. Further deverbalised than the non-finite chain verbs are the verbal nouns; verbal noun phrases in Menggwa Dla functions somewhat like complement clauses in English. In younger speakers speech, the function of the chain clause SR system has diverted from the canonical SR system used by older speakers (§7.2.2). For younger speakers, coreferential chain verb forms and disjoint-reference chain verb forms only have their coreferential and disjoint-referential meaning — respectively — when the person-number-gender features of the two subject cross-reference suffixes cannot resolve the referentiality of the two subjects. Otherwise, the coreferential chain verb forms have become the unmarked SR-neutral chain verb forms. At the end of this thesis are appendix 1, which contains four Menggwa Dla example texts, and appendix 2, which contains tables of cross-reference suffixes, pronouns, copulas and irregular verbs.
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Books on the topic "Switch-reference"

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van Gijn, Rik, and Jeremy Hammond, eds. Switch Reference 2.0. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.

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Switch reference in Koasati discourse. Dallas: Summer Institute of Linguistics, 1992.

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Müller-Bardey, Thomas. Typologie der Subjektverkettung ("Switch reference"). Köln: Institut für Sprachwissenschaft, Universität zu Köln, 1988.

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Switch-reference and discourse representation. Cambridge [England]: Cambridge University Press, 1993.

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The formal grammar of switch-reference. New York: Garland, 1985.

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(Margaret), Marsh 'Rhette, ed. CCNP SWITCH 642-813 quick reference. [Indianapolis, Indiana]: Cisco Press, 2010.

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Bowe, Heather J. Categories, constituents, and constituent order in Pitjantjatjara: An aboriginal language of Australia. London: Routledge, 1990.

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Gijn, Rik van, and Jeremy Hammond. Switch Reference 2. 0. Benjamins Publishing Company, John, 2016.

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Finer, Daniel L. Formal Grammar of Switch-Reference. Taylor & Francis Group, 2013.

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Stirling, Lesley. Switch-Reference and Discourse Representation. Cambridge University Press, 2011.

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Book chapters on the topic "Switch-reference"

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van Gijn, Rik. "Switch reference." In Typological Studies in Language, 1–54. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.01van.

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Munro, Pamela. "Chickasaw switch-reference revisited." In Typological Studies in Language, 377–424. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.11mun.

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Frajzyngier, Zygmunt. "Grammaticalization of switch reference." In Typological Studies in Language, 113–30. Amsterdam: John Benjamins Publishing Company, 2006. http://dx.doi.org/10.1075/tsl.64.07fra.

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de Sousa, Hilário. "Some non-canonical switch reference systems and the fundamental functions of switch reference." In Typological Studies in Language, 55–92. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.02des.

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Hale, Ken. "Subject Obviation, Switch Reference, and Control." In Control and Grammar, 51–77. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-015-7959-9_2.

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van Gijn, Rik. "Switch reference in Western South America." In Typological Studies in Language, 153–206. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.05van.

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Davies, John, and Bernard Comrie. "Switch-reference in Kobon and Haruai." In Typological Studies in Language, 13–26. Amsterdam: John Benjamins Publishing Company, 2019. http://dx.doi.org/10.1075/tsl.126.01dav.

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Wilkins, David P. "Switch-reference in Mparntwe Arrernte (Aranda)." In Typological Studies in Language, 141. Amsterdam: John Benjamins Publishing Company, 1988. http://dx.doi.org/10.1075/tsl.15.07wil.

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Hill, Jane H. "Takic switch reference in Uto-Aztecan perspective." In Typological Studies in Language, 115–52. Amsterdam: John Benjamins Publishing Company, 2016. http://dx.doi.org/10.1075/tsl.114.04hil.

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Thomas, Guillaume. "Switch Reference and Discourse Anaphora: Lessons from Mbyá." In New Frontiers in Artificial Intelligence, 270–81. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-31605-1_20.

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Conference papers on the topic "Switch-reference"

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Bergogne, Dominique, Othman Ladhari, Leo Sterna Charlotte Gillot, Rene Escoffier, and William Vandendaele. "The single reference Bi-Directional GaN HEMT AC switch." In 2015 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe). IEEE, 2015. http://dx.doi.org/10.1109/epe.2015.7309334.

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Yu, Francis T. S., Shudong Wu, Sumati Rajan, and Shizhuo Yin. "Electrooptic switch using speckle holography." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/oam.1991.tuaa5.

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Recently we have proposed the use of multimode optical fibers for optical sensing utilizing speckle hologram techniques. In this paper the feasibility of using the fiber speckle hologram techniques for optical switching is demonstrated. Traditional methods of optical switching employ mechanical means to make or break optical paths, or non-mechanical electrooptical (EO) switches based on polarization rotation. The mechanical methods are slow (1-100 ms). Though the EO switches are faster they are bulky and cumbersome to construct and use. To overcome these disadvantages we propose the use of fiber specklegram as a less clumsy and faster optical switching technique. A hologram is formed using a speckle pattern and a spherical reference beam. The transmission hologram thus formed is recorded using a LiNbO3 crystal. On illumination by just the speckle field, the hologram can partially reconstruct the reference beam yielding some information encoded in the speckle field. The reconstruction of the hologram is sensitive to changes in the speckle field. By utilizing this property, and multiplexing more than one specklegram an EO switch has been designed. The design and uses of such a switch are discussed, and the experimental results are presented.
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Goel, Kamal K., Philippe A. Perrier, Paul R. Prucnal, Michele A. Milbrodt, and Emmanuel Desurvire. "Optical self-routing through a three-structured space-division photonic switch using pulse-interval binary encoding." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.my4.

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Optical processing has been demonstrated to remove the data flow bottleneck that results at a switch controller when routing decisions are processed electronically.1,2 Here, optical control of a tree-structured (1 × N) space division photonic switch is reported. A lithium niobate integrated-optic duobanyan switch, with N = 4, is used for the demonstration.3 Each data bit 1 is subencoded with a binary route address by dividing the bit interval into a frame of M + 1 time slots, where M is the number of stages in the switch (M = log 2 N). The 0th slot is occupied by a reference pulse. Binary information in time slot j, j = 1,…, M, determines the state of the switching elements in the jth stage of the switch. To route a bit to the desired switch output port, an optical routing controller decodes the route through the switch, stage-by-stage, and sets all switching elements in each stage of the switch accordingly. Since a time reference is transmitted along with the data, no external synchronization is required at the optical routing controller. Extension of this self-routing technique to N × N switching architectures, based on a tree structure,4 as well as its use in packet/circuit switching, are discussed.
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Healey, Peter, and David W. Smith. "Holographic associative memory switching system." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.thv3.

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An N × N optical space switch is described which uses holographic associative memory techniques to store switch states. The switch states are stored as follows: Light from one input port is spatially expanded and then phase-front encoded by a spatial light modulator and directed onto a phase volume holographic recording material. Light corresponding to the available output ports is allowed to fall, in turn, to the same region of the holographic medium. By using a unique phase-front code on the input (reference) wave as it is stored in association with each output (object) wave, a multiplexed phase volume hologram with associative recall properties is created. This process is repeated for all N input ports. Crosstalk can be minimized and efficiency maximized by selecting a suitable orthogonal set of reference wave codes and by maximizing the angular separation between the object point sources so that the Bragg extinction angle is exceeded. The main advantage of this type of optical switching system is that all switch states are preprogrammed and may be tailored to particular needs.
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5

Estima, Jorge O., and A. J. Marques Cardoso. "Single power switch open-circuit fault diagnosis in voltage-fed PWM motor drives by the reference current errors." In 2011 8th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives - (SDEMPED 2011). IEEE, 2011. http://dx.doi.org/10.1109/demped.2011.6063649.

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6

Li, Chaoxiang, Yinmei Yuan, and Jiuju Cai. "Experiment Research of the Regenerative Heat Exchanger of Packed Bed." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56495.

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Through the test of regenerative heat exchanger, the switch time and the flow velocity of liquid passed through the heat exchanger are found to be the two important factors influencing the efficiency of heat exchanger, and the qualitative relation between the two factors is found. The test result gives a reference to the research, design and operation of the regenerative heat exchanger.
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7

Xu, Kebin, Haiying Xu, Yang Yuan, Youlong Yu, Yuhuan Xu, and Deri Zhu. "Real time associative holographic memory with liquid crystal electrooptical switches." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.tht29.

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The optical implementations of associative memory based on various thresholding and feedback schemes have been demonstrated recently.1,2 We here show a real time parallel optical associative memory system implemented with a KNSBN:Co crystal as recording medium and liquid crystal electrooptic switched as a reflective thresholding device to provide binary thresholding response. In our experiment, two original images, HIT and XXY, are stored in KNSBN:Co crystal at the Fourier plane through interfering with angular multiplexed reference beams. When the system is addressed by a half of one of the stored objects, the detecting beam split from its autocorrelation beam is higher than the thresholding power of 14.7 µW of the liquid crystal electrooptic switch, but the detecting power of its cross-correlation beam is lower than the thresholding power. The autocorrelation peak corresponding to the partial input switches the liquid crystal electrooptic switch into the transmissive state. Switching the liquid crystal electrooptic switch allows the counterpropagating beam to read out the hologram and a complete image is reconstructed. Thus, the no iteration system demonstrates the ability to retrieve the correct memory element without crosstalk.
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8

Shakir, Huzefa, and Won-Jong Kim. "Multiscale Control to Meet the Conflicting Nanoscale Performance Requirements." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80048.

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In this paper, we consider the problem of designing a multiscale control for plants with conflicting time-domain performance requirements. These results follow from the conventional optimal proportional-integral (PI) control. Four different design methods are proposed: (1) a controller-switch technique which makes use of employing two different controllers designed to meet two different performances and are switched during the course of operation, (2) an integral-reset scheme, which resets the integral term in the control law when the new reference point is reached, (3) controller-switch and integral-reset schemes put together to take benefits of both of them, (4) a model-following approach that uses a dynamic reference model without increasing the overall dimension of the system. The objective of the last scheme is to make the output of the plant track the output of the model as closely as possible. Stability analyses and a comparison between the performances of these methods are given. All these methods give better performances as compared with conventional control schemes. Block diagrams are given and step responses are obtained to demonstrate the proposed methods. A six degrees-of-freedom (DOFs) magnetically levitated (maglev) stage with a second-order pure-mass model has been used to demonstrate the capabilities of the aforementioned control strategies. These strategies are not plant-specific and may be generalized to any higher-order plant.
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Lahrichi, Adil, Kristina M. Johnson, George Fredericks, and Eris S. Maniloff. "Signal-to-noise limitations on the number of channels in holographic interconnection networks." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.tux1.

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Volume holograms stored in a photorefractive crystal can be used as routing templates for an optical communication switch.1,2 The holograms are recorded by using reference beams that are spatially modulated with different intensity-modulated codes. When a communication channel's optical carrier is subsequently used as the read beam for the stored holograms, a spatial light modulator (SLM) applies the desired code to program the switch to deliver the signal to a particular detector. The diffraction efficiency, beam power, system bandwidth, and the detector noise determine the signal-to-noise ratio and hence the bit error rate (BER) at the detector. Furthermore, if the system is to multiplex multiple channels, the finite SLM contrast ratio will add crosstalk noise. If values for these system parameters are chosen, the minimum diffraction efficiency (hence the maximum number of holograms that can be stored in a l cm3 holographic recording medium) as a function of the SLM contrast ratio, the particular photodetector, and system bandwidth requirements are determined.
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10

Bonfim, Michel, Kelvin Dias, and Stenio Fernandes. "SFCMon: An Efficient and Scalable Monitoring System for Network Flows in SFC-enabled Domains." In VI Workshop Pré-IETF. Sociedade Brasileira de Computação - SBC, 2019. http://dx.doi.org/10.5753/wpietf.2019.6581.

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A comprehensive monitoring system is essential to assist solutions for most of SFC problems. Therefore, in this work, we propose SFCMon, an efficient and scalable monitoring solution to keep track network flows in SFC environments. To achieve the desired goals, SFCMon works with a pipeline of probabilistic data structures to detect and store large flows as well as perflow counters. For evaluation purposes, based on the SFC reference architecture defined by RFC 7665, we implement a Proof-of-Concept (PoC) framework, which provides a P4-based SFC switch and Python-based SFC Controller. Presented initial experiments demonstrate that SFCMon introduces a negligible performance penalty while providing significant scalability gains.
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