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By Gabriel G. Bes, Thierry Guillotin

This e-book offers very important effects from the ESPRIT undertaking 393 "Construction and Interrogation of data Bases utilizing common Language textual content and snap shots" (ACORD). The undertaking concerned greater than fifty humans overfive years, and integrated business and educational companions from 3 international locations. the most results of the undertaking is a hugely subtle human-machine interface permitting the development and interrogation of a standard wisdom base in English, French, and German, utilizing either normal language and pics. bankruptcy 1 provides an outline of the undertaking. Chapters 2-4 advance particular concerns relating thegrammar versions used (functional grammars and unification categorial grammars). bankruptcy five discusses anaphora solution and bankruptcy 6 textual content iteration. bankruptcy 7 explains the mixing of textual content and pix, and bankruptcy eight discusses the data base module. The contributions are theoretically orientated and strongly involved in generalization and the underlying history of power extra advancements.

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Additional info for A Natural Language and Graphics Interface: Results and Perspectives from the ACORD Project

Example text

C@3)] 0111 [PI, 1 plural01 These complex constraints basically allow us to express disjunction over sets of variables. For a set of variables 52 ([Var~, Va7';, ... , Var~]) where the Vari are dependent on each other, those variables are said to be co-relCltionnally constrained. According to the value V; will admit, the other variables of the set will take co-relationally different values. They obey the following syntax : [Var}, Var2 • ... , Va7' nl = [Xli X2, ... , xnlU [Yt. Y2, ... , YnlU ... OLOG variable, and Xi' either a PROLOG term or a negative or disjunctive constraint which 11 ari handles, where U is the disjunctive operator.

Klein 8:. G. ), Categorial Grammar, Unification Grammar and Parsing, Edinburgh Working Papers in Cognitive Science 1, Centre for Cognitive Science, Edinburgh, 195-222. Wittenburg, K. (1986) Natural Language Parsing with Combinatory Categorial Grammar in a Graph- Unification-Based Formalism, PhD Thesis, Department of Linguistics, University of Texas. CHAPTER 4 The Control of UCG Grammars Pierre-Fran<;ois Jurie, CLF Gabriel G. Bes, CLF 1 Introd uction The work on the control of grammars arises from our contribution to the ACORD project which was concerned with (in close cooperation with LdM) the adaptation to French of two models of grammars (GPSG and UCG).

J :_) where X and Yare either the anonymous variable or a constant. They state constraints, among others, on possible values of ImF and 1mB features of the verb. RecaIl that a valency is a sign which is a member of a set in the Valencies attribute of a verbal sign. The active sign of a type raised NP is of the form : (15) C:{(np:_ :[... V1, V2 ... j:_) ... } :[verb ... ] :([V1 ... ] => fc => Z, [V2 ... ] => bc => W) By rule, VI and V2 in the Valencies attribute of (15) must unify with X and Y, respectively, in the verb valency (14).

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