R. Cooper, "Three Lectures on Situation Theoretic Grammar," in M. Filgueiras, L. Damas, N. Moreira, and A. P. Thom'as, editors, Natural Language Processing, Lecture Notes in Artificial Intelligence, Vol. 476, Springer-Verlag, Berlin, Germany, pp. 102--140, 1991. 12  Home/Search   Document Not in Database   Summary   Related Articles   Check

.... With these underlying assumptions and features, situation semantics provides a fundamental and appropriate framework for a realistic model theoretic semantics of natural language [10] Various versions of this theory have been applied to a number of linguistic issues (mainly) in English [7, 8, 9, 20, 22, 23, 29, 33, 41]. The ideas emerging from research in situation semantics have also been coalesced with well developed linguistic theories such as lexical functional grammar [45] and led to rigorous formalisms [31] On the other hand, situation semantics has been compared to other influential mathematical ....

R. Cooper. "Three Lectures on Situation Theoretic Grammar," in M. Filgueiras, L. Damas, N. Moreira, and A. P. Tom'as, editors, Natural Language Processing, Lecture Notes in Artificial Intelligence, Vol. 476, Berlin, Germany: Springer-Verlag, 1991, pp. 102--140.

....the second eventuality is not a part of the first, i.e. where it can be seen as forming a distinct or separate event. These are also included in the implemented grammar, but their treatment is not described here. sentence final then . It is based on a situation theoretic grammar developed in (Cooper, 1991) and its computational implementation ProSit (Cooper, ms1) ProSit is a definite clause grammar (DCG) with features. It parses single sentences and constructs syntactic and semantic representations expressed in situation theoretic terms. We have extended it firstly to deal with sentences ....

....abstracted over, it eft fectively disappears and is no longer present in the type. What remains is the role corresponding to the abstracted parameter. These roles may be index ed however we choose (for example, by the natural numbers, by rl to r, as above, or by utterance situa tions as in (Cooper, 1991)) Cooper (ms2) in the development of situationtheoretic DRT (STDRT) sees a DRS as equivalent to the situation theoretic type obtained by abstracting over the parameters of a proposition. The roles of such a type are equivalent to DRT discourse referents, and the infons correspond to the ....

Robin Cooper. Three lectures on si- tuation theoretic grammar. In Natural Language Processing. Proceedings of 2nd Advanced School in Artificial Intelligence, Guarda, Portugal, October 8-12, 1990. In series: Lecture Notes in Artificial Intelligence, Miguel Filgueiras (ed.). Springer Verlag, Berlin, London, 1991.

....structures as processes is related to our notion of integrating multiple information sources, as emphasised in the beginning. Why do we want to describe everything as process To answer the question, we have to trace back our motivation into Cooper s work on Situation Theoretic Grammar (STG) (Cooper 1991). The characteristic point of STG is that it applies the same framework primarily developed for studying semantics to studying syntax, too. The application becomes possible by regarding utterances as a situation supporting various linguistic facts. For example, let u 1 be an utterance of man . ....

Cooper, R.: 1991, Three lectures on situation theoretic grammar, in M.

.... For a more extensive discussion, see [Poesio, 1996] 31 This view of the grammar as specifying the syntactic category and meaning of sub sentential utterance events originated in Situation Semantics [Barwise and Perry, 1983; Evans, 1985] and is the basis for Cooper s Situation Theoretic Grammar [Cooper, 1992] . ce1 : Det :sem ff] ce2 : N :sem fi] ce1 OE ce2 : ce3 : NP :const f ce1 , ce2 g :sem ff(fi) NP:Det N ce3 : NP :const f ce1 , ce2g :sem ff(fi) Figure 1: A defeasible rule for parsing ffl ce 3 : NP ce 1 : ff ce 2 : fi] stands for: f cat( ce 3 ) ....

R. Cooper. Three lectures on Situation Theoretic Grammar. Research paper, University of Edinburgh, Centre for Cognitive Science, 1992.

.... to develop a mathematical theory of meaning which aims to clarify and resolve some tough problems in the study of language, information, logic, and philosophy [7] It was introduced by Jon Barwise and John Perry and stimulated great interest [8] The theory matured within the last ten years or so [5, 14, 15, 36, 52, 53] and various versions of it have been applied to a number of linguistic issues [17] resulting in what is commonly known as situation semantics. This was followed by assorted studies on the computational aspects of the theory, which gave birth to a group of computational systems based on situation ....

....1 or 2, which helps him reach an incoherency, and derive new facts. However, B s assuming that the number on his forehead is, say 8, would not help him much. Chapter 6 Conclusion and Future Work This paper should be considered as a field test on computational systems based on situation theory [5, 8, 14, 15, 36, 52, 53]. Our primary aim was to analyze a language (PROSIT [32, 33, 35] which is based on situation theory and investigate applications that can grow upon the tools situation theory provides. We chose epistemic puzzles [38, 39, 40, 42, 34, 19] as the test domain, because these puzzles mainly study the ....

R. Cooper. Three lectures on situation theoretic grammar. In M. Filgueiras, L. Damas, N. Moreira, and A. P. Thom'as, editors, Natural Language Processing, number 476 in Lecture Notes in Artificial Intelligence, pages 102--140. Springer-Verlag, Berlin, Germany, 1991.

.... 1 2 3 4 ] ce2 : request(B,A, e,uj e : repeat(A,u) u = ce1] ce3 : inform(B,A, j: e 0 ,u 0 j e 0 : hear(B,u 0 ) u 0 = ce1] 1 More in general, the reader will notice below that the theory of meaning we adopt borrows many ideas from the work of Barwise and Perry as well as from (Cooper, 1992). 2 Subordination relations between utterances such as those assumed in Grosz and Sidner s theory (Grosz and Sidner, 1986) or in SDRT (Asher, 1993) get interpreted as relations among speech acts e.g. we can say that ce2 elaborates ce1. See below. We adopt Muskens reformulation of DRT in ....

Cooper, R. 1992. Three lectures on Situation Theoretic Grammar. Technical report, University of Edinburgh, Centre for Cognitive Science.

....which aims to clarify and resolve some formidable problems in the study of language, information, logic, and philosophy of mind. It was introduced by Jon Barwise and John Perry in their Situations and Attitudes [3] and stimulated great interest. The theory matured within the last ten years or so [6, 7] and various versions of it have been applied to a number of linguistic issues [8] resulting in what is commonly known as situation semantics . This was accompanied by assorted studies on the computational aspects of the theory, which gave birth to a small collection of programming languages ....

Robin Cooper. Three lectures on situation-theoretic grammar. In M. Filgueiras, L. Damas, N. Moreira, and A. P. Tom'as, editors, Natural Language Processing, number 476 in Lecture Notes in Artificial Intelligence, pages 102--140. Springer-Verlag, Berlin, 1991.

....Situation theory is a unified mathematical theory of information content. The original proposal was due to Jon Barwise and John Perry [3] The theory has matured over the last decade or so [10] and various versions of it have been applied to a number of problems in logic, language, and cognition [6]. In this section, we introduce the basic notions of situation theory. To this end, we follow the definitions given by Devlin [7] almost verbatim. We also use his notation. The basic ontology of situation theory consists of entities that a finite cognitive agent individuates and or discriminates ....

R. Cooper. Three Lectures on Situation Theoretic Grammar. In M. Filgueiras, L. Damas, N. Moreira, and A. P. Thom'as, editors, Natural Language Processing, number 476 in Lecture Notes in Artificial Intelligence, pages 102--140. SpringerVerlag, Berlin, Germany, 1991.

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R. Cooper, "Three Lectures on Situation Theoretic Grammar," in M. Filgueiras, L. Damas, N. Moreira, and A. P. Thom'as, editors, Natural Language Processing, Lecture Notes in Artificial Intelligence, Vol. 476, Springer-Verlag, Berlin, Germany, pp. 102--140, 1991. 12

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