Tài liệu Báo cáo khoa học: "Ontologizing Semantic Relations" pdf

... be linked into formal semantic repositories such as ontologies or term banks like WordNet (Fellbaum 1998). Pantel (2005) defined the task of ontologizing a lexical semantic resource as linking ... complex lexi- cal structures like binary semantic relations, the paper focused only on attaching terms. Basili (2000) proposed an unsupervised method to infer semantic classes (WordNe...

Ngày tải lên: 20/02/2014, 12:20

... sufficient to discriminate between forward entailment and semantic equivalence. To cope with these issues, we explore the contribution of syntactic and semantic features as a complement to lexical ones ... entries, our model builds on two additional feature sets, derived from i) semantic phrase tables, and ii) dependency relations. Semantic Phrase Table (SPT) matching repre- sents a no...

Ngày tải lên: 19/02/2014, 19:20

... syntactic and semantic features could provide clues to the semantic role label of a constituent, non- local features such as predicate voice could provide information about the expected semantic role ... ordering. 1 Introduction Unsupervised semantic role induction has gained significant interest recently (Lang and Lapata, 2011b) due to limited amounts of annotated corpora. A Semantic...

Ngày tải lên: 19/02/2014, 19:20

... related semantic classes • Demonstration that dependency parser paths are inadequate for semantic classification into 7 WordNet classes on TREC news corpora • A benchmark of 10-class semantic ... se- mantic type. We show that the techniques used to perform binary semantic classification do not work as well when extended to a full n-way semantic classifi- cation. We show that using a va...

Ngày tải lên: 20/02/2014, 12:20

... re- garded the difference of two association strengths as a measure of semantic orientation. They also pro- posed to use Latent Semantic Analysis to compute the association strength with seed words. ... adjectives. Kobayashi et al. (2001) proposed a method for ex- tracting semantic orientations of words with boot- strapping. The semantic orientation of a word is determined on the basi...

Ngày tải lên: 20/02/2014, 15:20

Ngày tải lên: 20/02/2014, 16:20

Ngày tải lên: 22/02/2014, 03:20

Ngày tải lên: 22/02/2014, 09:20

... [ Mechanical Translation , vol.4, no.3, December 1957; pp. 68-69] Semantic Ambiguity Kenneth E. Harper, University of California, Los Angeles, California The ... page of Russian scientific text 1 revealed the following distribution of words, with respect to semantic clarity or ambiguity: Single Value Idioms Multiple Values Word-for-word Clarified

Ngày tải lên: 19/02/2014, 19:20

... cialists have been working for some time on a "polysemantic dictionary" which is a central part of their MT procedure. 5 A semantic frequency count is a listing of the words of a ... somewhat different count is needed for purposes of MT. The need is for TRANS -SEMANTIC FREQUENCY COUNTS. A trans -semantic frequency count is a listing of the words of the source language,...

Ngày tải lên: 19/02/2014, 19:20