Báo cáo khoa học: "Coreference Resolution Using Semantic Relatedness Information from Automatically Discovered Patterns" pptx

... 2007. c 2007 Association for Computational Linguistics Coreference Resolution Using Semantic Relatedness Information from Automatically Discovered Patterns Xiaofeng Yang Jian Su Institute for Infocomm ... semantic relatedness information. The evaluation on ACE data set shows that the pattern based semantic information is helpful for coreference resolution. 1 Intro...

Ngày tải lên: 17/03/2014, 04:20

... with coreference information could be used as training data. There are also 30 annotated train- ing documents from MUC-7. For testing, we util- ize the 30 standard test documents from MUC-6 and ... the coreference resolution: compared with the baseline approach based on the single-candidate model, the F-measure of approach increases from 69.4 to 71.3 for MUC-6, and from 58.7...

Ngày tải lên: 23/03/2014, 19:20

... end-to-end coreference resolution system, which often forces researchers to substitute available gold-standard information in lieu of implementing a module that would compute that information. Unfortunately, ... incorporates the six most commonly used coreference resolution data sets, two from the MUC conferences (MUC-6, 1995; MUC-7, 1997) and four from the ACE Program (NIST, 2004)...

Ngày tải lên: 20/02/2014, 04:20

... apart from the attributive relation, and it also contains gold-standard morphological, syntactic and semantic information. Since the MUC and ACE corpora are annotated with only coreference information, 2 existing ... the data using automatic tools (POS taggers, parsers, etc.) to obtain the infor- mation needed for coreference resolution. How- ever, given that the output from auto...

Ngày tải lên: 07/03/2014, 22:20

... coreference resolution from three different sources: large-scale knowledge bases, coreference-annotated data and unannotated data. 3.1 World Knowledge from Knowledge Bases We extract world knowledge from ... 2005) and the other NP is a common noun. 3.1.2 Extracting Knowledge from FrameNet FrameNet is a lexico -semantic resource focused on semantic frames (Baker et al., 1998). As...

Ngày tải lên: 07/03/2014, 22:20

... Sense Disambiguation Using Semantic Relations and Adjacency Information Anil S. Chakravarthy MIT Media Laboratory 20 Ames Street E15-468a ... text. To suggest possible senses, each heuristic draws on semantic rela- tions extracted from a Webster's dictionary and the semantic thesaurus WordNet. For a given word, all applicable ... infor- mation retrieval applications w...

Ngày tải lên: 08/03/2014, 07:20

... morphologi- cal or semantic family. Both constraints rely on preexisting repertoires available for English and French. To compute candidate paraphrase pairs using FASTR, we first consider all phrases from 5 http://statmt.org/europarl the ... stem- mer from English and French available from: http:// snowball.tartarus.org of tokens for the two phrases of a candidate para- phrase pair. C...

Ngày tải lên: 31/03/2014, 21:20

... way that is not easily captured using lexical- or even shallow parse-level information. As a hu- man reader, we understand them easily, but auto- mated systems for Information Retrieval, Question Answering, ... structure. The algorithm uses information extracted from parse trees. This work, in addition to having immediate significance for natural language processing systems that use...

Ngày tải lên: 17/03/2014, 02:20

... object; • MR .semantic- information. text a con- ceptual structure gathering the properties of the object, from the REs and from the sen- tences in which they appear; • MR .semantic- information. dictionary ... far from building a conceptual representation of the processed discourse. Anaphora or pronoun resolution have also reached sig- nificant results on unrestricted te...

Ngày tải lên: 17/03/2014, 07:20

... possi- ble mapping from words to predicates for building a SAPT and semantic derivation which compose the correct MR. A semantic lexicon and compo- sition rules ar e then extracted directly from the 614 P ... assumptions of compositional semantics. Given the SAPTs constructed from the results of word-alignment, a semantic derivation for each training sentence is constructed using...

Ngày tải lên: 23/03/2014, 16:21