Download e-book for kindle: A Natural Language and Graphics Interface: Results and by Gabriel G. Bes, Thierry Guillotin
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 photos" (ACORD). The undertaking concerned greater than fifty humans overfive years, and integrated business and educational companions from 3 nations. the most results of the venture is a hugely subtle human-machine interface permitting the development and interrogation of a typical wisdom base in English, French, and German, utilizing either ordinary language and photos. bankruptcy 1 offers an summary of the venture. Chapters 2-4 improve particular matters pertaining to thegrammar versions used (functional grammars and unification categorial grammars). bankruptcy five discusses anaphora answer and bankruptcy 6 textual content new release. bankruptcy 7 explains the combination of textual content and images, and bankruptcy eight discusses the information base module. The contributions are theoretically orientated and strongly serious about generalization and the underlying heritage of power additional advancements.
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Additional resources for A Natural Language and Graphics Interface: Results and Perspectives from the ACORD Project
Neg2 nneg G G I ne I neg! I neg2 I G .. .. G G G .. G .. G .. .. • , A 1'gn) Order Order - pre II post II opt II jump Phonology Phonology - "the 1Jhonology" So a sign of the FDP system looks like: Category: Head-[Feat, Agree} j Signi ... dicate : [Al'[}i, ... ,:ler Phonology: A]honology . whi;l will be presented in the following attribute-value pairs structure: 29 cat: H ead[M ode, Agree] / Signl / ... / SignN mtr: [Wh, Clitic_Order. • ArgN] 1 1 ord: Order pha: Phonology Hereafter are some sample lexical entries.
UI ••• Un be a string of the previous form. p(i) if the phonology of (2) For each valency t, we denote t(i) if t is the valency of "i. (3) We distinguish a lexical predicate denoted by ( (in actual applications ( will be the verb) and we denote by F(i) the formula V k (( (k) ~ i < k), and B(i) the formula V k (( (k) ~ k < i). p. Then F(j) (resp. B(i) is true in u iff the place i is before (resp. after) every place where ( occurs. 4 (I) We denote by p, q, ... every Boolean combination of lexical.
Contrary to GPSG (and as in standard UCG) there is no need for specific feature instantiation mechanisms, the information being circulated via the grammar rules by means of unification. Contrary to UCG the number of grammar rules are kept down to three in FG (two combination rules and one deletion rule interveening once at the end of the parse). The combination procedure is defined by a finite number of operations between sets of valencies. e. it accepts all and only the grammatical sentences. This result is due both to the feature mechanism which restricts the possible combinations and to the systematic elimination of spurious ambiguity as well as spurious lexical ambiguity (Le.
A Natural Language and Graphics Interface: Results and Perspectives from the ACORD Project by Gabriel G. Bes, Thierry Guillotin