Báo cáo khoa học: "Latent Semantic Word Sense Induction and Disambiguation" pdf

... distributional similarity and word sense induction. Section 3 gives an overview of our method for word sense induction and disambiguation. Section 4 provides a quantita- tive evaluation and comparison to ... Lapata (2007). 2.2 Word sense induction The following paragraphs provide a succinct overview of word sense induction research. A thor- ough survey on word...

Ngày tải lên: 23/03/2014, 16:20

... preferences t and properties of a sense. Source con- =dns differentiae mform~on concen~g another word sense. Target infocma~on concerns the sense itself. Connections can be found to other word senses ... existing word senses stored in a semantic net- work to other closely associated word senses. By examining the shape of the resultant path, we can determine the relation...

Ngày tải lên: 17/03/2014, 08:20

... to WordNet During the first phase of our methodology we aim to establish links between Wikipages and Word- Net senses. Formally, given the entire set of pages Senses Wiki and WordNet senses Senses WN , ... to 105,797 WordNet senses and 199,735 Wikipedia pages. The average polysemy is 1.3 and 2.5 for WordNet senses and Wikipages, respec- tively (2.8 and 4.7 when excluding monosemo...

Ngày tải lên: 17/03/2014, 00:20

... Riloff and Jones (1999), and has since been successfully applied to extract- ing general semantic lexicons (Riloff and Jones, 1999; Thelen and Riloff, 2002), biomedical enti- ties (Yu and Agichtein, ... 50 sets of randomly unsupervised seeds, S rand . The next decision is how to sample S rand from L hand . One approach is to use uniform random sampling from restricted sections of...

Ngày tải lên: 08/03/2014, 00:20

... are free and nearly infinite. These observa- tions have led ~everal researchers, including Hindle (1990) and Smadja and McKeown (1990), to begin investigating automatic acquisition of semantics. ... linguistic context to classify verbs automatically into those whose sole sense is one describing a state, and those that have a sense describing an event. 1 The approach describe...

Ngày tải lên: 24/03/2014, 05:21

... Nicola 2 and D. J. Hilton 3 1 Cancer and Haematology/Molecular Medicine, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia, 2 Cancer and Haematology, The Walter and Eliza ... nucleus caudatus (NC) and SN from con- trols (C) and patients with PD. Materials and Method: The ini- tial samples consisted of 18 subjects of PD and C. Brains were matched w...

Ngày tải lên: 19/02/2014, 07:20

... characterized, and all were helical, mono- meric and stable. NOESY, 15 N- 1 H HSQC and 13 C- 1 H HSQC NMR spectra indicated that four of the five proteins had well-ordered and persistent main-chain and sidechain structure. ... Ile, Met and Val) and at the same time reduce undesirable properties of the genetic code (e.g. NNK, where K is an equimolar mix of G and T, is less biase...

Ngày tải lên: 19/02/2014, 12:20

... commu- nication mechanism between syntax and semantics and provide a complete and promising solution to the problem of interactive syntactic and semantic processing. Since natural languages ... of syntax and semantics which makes the best and immediate use of both syntactic and semantic information to eliminate many alternatives would win over either a syntax-first or...

Ngày tải lên: 20/02/2014, 21:20

... form ([wordPosi(w 1 ),…,wordPosi(w n )], sentence number) denoting the positions of query’s words in the sentence, we generate grammar pattern involving replacing words with POS tags and words ... text S and its translation prefix T p into character-level and 3 Inspired by (Gamon and Leacock, 2010). word- level ngrams respectively. Step (3) and (4) retrieve the translat...

Ngày tải lên: 22/02/2014, 03:20

... suitable carbon and energy sources are not available, is accomplished by a battery of nucleoside transporters and of inducible catabolic enzymes for purine and pyrimidine nucleosides and for pentose ... uridine by the ubiquitous uridine kinase and nucleoside mono- and diphosphokinases drive the Rib-1-P-mediated uracil and 5-FU ribosylation catalysed by UPase, and (c) the absen...

Ngày tải lên: 23/03/2014, 10:21