Báo cáo khoa học: "Morphological Cues for Lexical Semantics" pot

... the possibility of using derivational affixes as surface cues for lexical semantics. 26 3 Morphological Cues for Lexical Semantic Information Many derivational affixes only apply to bases ... there may be no derivational cues for the lexical semantics of a particular word. This is not the case for other surface cues, e.g., distributional cues exist for ever...

Ngày tải lên: 17/03/2014, 09:20

... DECISION LISTS FOR LEXICAL AMBIGUITY RESOLUTION: Application to Accent Restoration in Spanish and French David Yarowsky* Department of Computer and Information Science University ... task, and typically is over 90% for even the most difficult ambiguities. INTRODUCTION This paper presents a general-purpose statistical deci- sion procedure for lexical ambiguity resolution b...

Ngày tải lên: 17/03/2014, 09:20

... Figure 1) or MS-NBC. For example, the structure for the Jim Lehrer News Hour provides not only segmentation information but also content information for each segment. Thus, the order of stories ... discourse cues from broadcast to broadcast provides an effective foundation for discourse-based segmentation routines. We have similarly discovered regular discourse cues in oth...

Ngày tải lên: 23/03/2014, 19:20

... d2 < ds < co. For forces of strength d < dr, the material is "hard"; for forces of strength d where d~ < d < d~, it is "flexible"; for forces of strength ... research in lexical semantics in linguistics and efforts in AI to encode com- monsense knowledge. Lexical semanticists over the years have developed formalisms of increasing adequacy fo...

Ngày tải lên: 21/02/2014, 20:20

... (Shieber et al., 1995), where items are called formula schemata, deduc- tion steps are inference rules, hypothesis are ax- ioms and final items are goal formulas. A parsing schema can be generalized ... taken place in the node N r and therefore further adjunctions on the same node are forbidden. A value of false indicates that no adjunction was performed on that node. In this case,...

Ngày tải lên: 22/02/2014, 03:20

... initially to be uniform 2. for several iterations do: a. set up a count( , ) table with zero entries b. for = 1 to Q[ ,1] = b( boundary) c. for = 2 to for = 1 to Q[ , ] = 0 for = 1 to Q[ , ] += ... 1 to Q[ , ] += Q[ , ] b( ) s( ) d. for = 1 to R[ , ] = b(boundary ) e. for = to 1 for = 1 to R[ , ] = 0 for = 1 to R[ , ] += R[ , ] b( ) s( ) f. for = 1 to for = 1 to count( ,...

Ngày tải lên: 08/03/2014, 02:21

... syntac- tic information for transforming constituency tree- banks to dependency structures (Nivre et al., 2007) or richer syntactic representations (e.g., Hocken- maier and Steedman, 2007). For the ... methods for identifying heads are therefore of interest, both for practical and more fundamental linguistic reasons. In this paper we investigate possible ways of finding heads based on...

Ngày tải lên: 08/03/2014, 21:20

... shown for increasing values of n. The trends for CLANG and GEOQUERY are different: small values of n show significant im- provements for CLANG, while a larger n is needed to improve results for ... SCISSOR for reranking, for a full description of SCISSOR see Ge and Mooney (2005). In SCISSOR, the generation of semantic labels on modifiers are constrained by semantic subcat- egorizati...

Ngày tải lên: 23/03/2014, 18:20

... tree. This fact is desirable for progralnming languages. For natural languages, however, it is sometimes necessary for a parser to produce more than one parse tree. For example, consider the ... if natural languages are not context-free, a fairly comprehensive grammar for a subset of natural language suflicient for practical systems can be written in context.free phrase stru...

Ngày tải lên: 24/03/2014, 01:21

... logical form. ~ l~'ocsedings, 191h Annual Meeting of th, e Association for Computational Linguistics, Stanford, July 1981. 117-124. PARTEE, Baabara Hall (1973). "Some transformational ... logical form." P~oceedin~s, ~O~h Annual Meeting of the Association for Computational Linguistics, Toronto, June 1982. i-8. SCHANK, Roger Carl (editor) (1975). Conceptual infor...

Ngày tải lên: 31/03/2014, 17:20