Báo cáo khoa học: "LFG Semantics via Constraints" pdf

... LFG Semantics via Constraints Mary Dalrymple John Lamping Vijay Saraswat {dalrymple, lamping, saraswat}@parc.xerox.com ... meaning of larger units given the meanings of their parts. Traditionally, meanings are com- bined via function composition, which works well when constituent structure trees are used to guide ... guide for semantic composition, and the h-calculus is a conven...

Ngày tải lên: 09/03/2014, 01:20

Ngày tải lên: 20/02/2014, 18:20

... possibility that DXR catalyzes the formation of 2-C-methyl- D -erythrose 4-phosphate 4 from DXP 3 via an a-ketol rearrangement (Fig. 3) was checked by testing (3S)-3-hydroxypentan-2-one 5-phosphate ... McCaskill, D. & Croteau, R. (1998) A family of transketolases that directs isoprenoid biosynthesis via a mevalonate-independent pathway. Proc. Natl Acad. Sci. USA 95, 2100–2104. 6. Lois...

Ngày tải lên: 21/02/2014, 03:20

... parts of a natural lan- guage and giving it a semantics that can be computational is of course the strategy underlying all computational uses of semantics. For example, in queries towards data ... CONCLUSION We have here presented a computational approach to the semantics of quantified mass noun phrases. We think the semantics ascribed to quantified mass - 210- ... noun phra...

Ngày tải lên: 22/02/2014, 10:20

... nodes in the latter. It has also been noted that use of appropriate edge labels gives a level of semantics. It is perhaps due to these reasons that the recent past has seen a surge in the development

Ngày tải lên: 07/03/2014, 22:20

... a semantics is commutative with respect to some operator then it is compo- sitional. 2.2 An operational semantics As Van Emden and Kowalski (1976) note, "to define an operational semantics ... concentrating on the semantics of grammars. This view reflects the situation in logic program- ming, where developments in alternative defini- tions for predicate logic semantics...

Ngày tải lên: 08/03/2014, 06:20

... Lexical Semantics to Disambiguate Polysemous Phenomena of Japanese Adnominal Constituents Hitoshi Isahara ... argument and returns the same syn- tactic category (i.e., a noun). Semantically, it takes the semantics of the noun first, and returns the se- mantics of a one-place function, that is it narrows ... of this action (bor- der transgression), i.e., "political flight."...

Ngày tải lên: 08/03/2014, 06:20

Ngày tải lên: 08/03/2014, 07:20

... analyses. There is no need to work out the formal semantics of LP constraints because feature unification formalisms already have a well-defined formal semantics. Reape (1989) proposes a different ... features so that they can be specified in the lexical head of the constituent and are percolated via the Head Feature Principle to the maximal projection. The path SYNSEMILOCILP-STO...

Ngày tải lên: 08/03/2014, 07:20

... contains an explicit de- scription of the source semantics, but leaves the semantics of the target (mostly) unspecified. How- ever the target semantics is described by the par- allelism constraint ... above sentence. The graph of this con- straint is given in Fig. 1 (b). The semantics of the source starts at node X0, the semantics of the target at Yo. The source par- allel element s...

Ngày tải lên: 08/03/2014, 21:20