Báo cáo khoa học: "SYNTACTIC AND SEMANTIC PARSABILITY" potx

... SCC') Assume that there are two basic semantic types, and B, and that 4" andS" are constants denoting entities of types A and B respectively. ~, ~, and are cross-categorlal operators. ... describe. For example, if there are two verbs and ~" and two nouns ~ and n', the set {xv I ~ is in (n, n')* and ~ is in (v, v')* and for all ~, i...

Ngày tải lên: 24/03/2014, 01:21

... engendered by structural mismatches and semantic ambiguity. We first show how the underlying machinery of the semantic- based transfer approach de- veloped in Dorna and Emele (1996b) can be ported ... quasi- semantic representation for transfer and gener- ation. The translation between f-structures and terms is based on the correspondence between directed graphs represen...

Ngày tải lên: 20/02/2014, 18:20

... where N T 1 and N T 2 are the sets of nodes in T 1 and T 2 , respec- tively and ∆(n 1 ,n 2 )=  |F| i=1 χ i (n 1 )χ i (n 2 ). ∆ function counts the number of subtrees rooted in n 1 and n 2 and can ... as fol- lows (Collins and Duffy, 2002): 1. if the productions at n 1 and n 2 are different then ∆(n 1 ,n 2 )=0; 2. if the productions at n 1 and n 2 are the same, and n 1 and...

Ngày tải lên: 22/02/2014, 02:20

... domains balanced roughly equally: news (80,000 words), arts and leisure (50,000), business and finance (50,000), and opinion (50,000) and each covers the period from April-September 2004. Each ... Baker. 1993. Corpus linguistics and translation studies: Implications and applications. In Gill Francis Mona Baker and Elena Tognini Bonelli, editors, Text and technology: in h...

Ngày tải lên: 07/03/2014, 22:20

... syntactic parses, and semantic chunking methods have been intro- duced by (Sun et al., 2009; Sun, 2010; Ding and Chang, 2009). 2.1 Our System We implement a three-stage (i.e. pruning, AI and SRC) SRL ... POS, head word of PP phrases, cat- egory of c k ’s lift and right siblings, CFG rewrite rule that expands c k and c k ’s parent (from (Ding and Chang, 2008)). 3.2 New Word Featu...

Ngày tải lên: 20/02/2014, 04:20

... Geneva 5 Rue de Candolle, 1204 Geneva Switzerland Paola.Merlo@unige.ch Lonneke Van Der Plas Linguistics Department University of Geneva 5 Rue de Candolle, 1204 Geneva Switzerland Lonneke.VanDerPlas@unige.ch Abstract Semantic ... task on syntactic and semantic dependency parsing (Surdeanu et al., 2008). Only those depen- dencies that bear both a syntactic and a semantic label have be...

Ngày tải lên: 20/02/2014, 07:20

... extensive cov- erage of drugs, falling under the semantic type PHARMACOLOGICAL SUBSTANCE and a few oth- ers. All such entities are identified as candidates and each is scored based on a number of features: its ... MEDLINE abstract; see details in (Demner-Fushman and Lin, 2005; Demner-Fushman and Lin, 2006 in press). 4.2 Semantic Clustering Retrieved MEDLINE citations are organized...

Ngày tải lên: 20/02/2014, 12:20

... disambiguation (Dorr and Jones, 1996), and document classification (Klavans and Kan, 1998). Various attempts have been made to infer conve- niently observable morpho-syntactic and semantic properties ... motivated, hand- constructed semantic verb classes. A series of post-hoc cluster analyses ex- plored the influence of specific frames and frame groups on the coherence of the verb...

Ngày tải lên: 20/02/2014, 21:20

... R. & Andrew, G. (2006). Tregex and Tsurgeon: Tools for querying and manipulating tree data struc- tures. Proceedings of the Fifth International Confe- rence on Language Resources and Evaluation. ... better speaking proficiency. The NN set was randomly partitioned into a training (NN-train) and a test set with 760 and 300 responses, respectively, and no speaker overlap....

Ngày tải lên: 07/03/2014, 22:20

... metonymy) that “England” and “Scot- land” in (3) and (4) are also metonymic. In order to 2 Due to its regularity, conventional metonymy is also known as regular polysemy (Copestake and Briscoe, 1995). ... reading and lowering both recall and precision. Bad predictors are the verbs “to have” and “to be” and some prepositions such as “with”, which can be used with metonymic (talk...

Ngày tải lên: 08/03/2014, 04:22