Báo cáo khoa học: "Exploiting Shallow Linguistic Information for Relation Extraction from Biomedical Literature" pdf

... Exploiting Shallow Linguistic Information for Relation Extraction from Biomedical LiteratureClaudio Giuliano and Alberto Lavelli and Lorenza ... entities and relations amongthem are ﬁrst learned from local information inthe sentence. This information, along with con-straints induced among entity types and relations,is used to perform global ... interactions from two different data sets. The results showthat our approach outperforms most of theprevious methods based on syntactic andsemantic information. 1 Introduction Information Extraction...

Tài liệu Báo cáo khoa học: "Kernels on Linguistic Structures for Answer Extraction" doc

... 113–116,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsKernels on Linguistic Structures for Answer Extraction Alessandro Moschitti and Silvia QuarteroniDISI, ... between query and answer, recentwork, e.g. (Shen and Lapata, 2007) has shown that shallow semantic information in the form of predi-cate argument structures (PASs) improves the auto-matic detection ... represent shallow syn-tactic information in the learning algorithm.To experiment with our models, we built twodifferent corpora, WEB-QA and TREC-QA by us-ing the description questions from TREC...

Báo cáo khoa học: "SEXTANT: EXPLORING UNEXPLORED CONTEXTS FOR SEMANTIC EXTRACTION FROM SYNTACTIC ANALYSIS" docx

... and new relations with an acceptable latency?) In the Information Retrieval community. researchers have consistently considered that 324 "the linguistic apparatus required for effec- ... user specified set of relations that are considered as each word's context for similarity calculations. For exam- ple, one set of relations extracted by SEX- TANT for the above sentence ... encoding of semantic information and suffers from the drawbacks of cost (in terms of initial coding, coherence checking, maintenance after modi- fications, and costs derivable from a host of other...

Báo cáo khoa học: "Incorporating Extra-linguistic Information into Reference Resolution in Collaborative Task Dialogue" pot

... extra -linguistic information as wellas textual information examined by exist-ing approaches (Soon et al., 2001; Ng andCardie, 2002, etc.). In this paper, we incor-porate extra -linguistic information ... the Association for Computational Linguistics, pages 1259–1267,Uppsala, Sweden, 11-16 July 2010.c2010 Association for Computational LinguisticsIncorporating Extra -linguistic Information into ... reference reso-lution.3 Reference Resolution usingExtra -linguistic Information Before explaining the treatment of extra -linguistic information, let us ﬁrst describe the task deﬁni-tion, taking...

Tài liệu Báo cáo khoa học: "Exploiting N-best Hypotheses for SMT Self-Enhancement" doc

... Association for Computational LinguisticsExploiting N-best Hypotheses for SMT Self-Enhancement Boxing Chen, Min Zhang, Aiti Aw and Haizhou Li Department of Human Language Technology Institute for ... phrase-alignment information in each hy-pothesis indicates the word reordering for source sentence. We select the word reordering with the highest posterior probability as the best word reor-dering for ... original training data again showed translation performance im-provement and demonstrated that the translation model can be reinforced from N-best hypotheses. In this paper, we further exploit...

Tài liệu Báo cáo khoa học: "Exploiting Non-local Features for Spoken Language Understanding" pptx

... exploit non-local information in the nextsection.3 Incorporating Non-local Information 3.1 Using Trigger FeaturesTo exploit non-local information to sequential la-beling for a statistical ... 72.80 p < 0.001Mutual Information Feature Induction[1] from like [1] morning→return[2] on→to [2] morning→on[3] to→i [3] morning→to[4] on from [4] afternoon→on[5] from i [5] afternoon→return[41] ... data-driven approach. Traditionally, information ex-traction and language understanding ﬁelds haveusually used a syntactic parser to encode global information (e.g. parse tree path, governing...

Tài liệu Báo cáo khoa học: "Outilex, a Linguistic Platform for Text Processing" pdf

... structured in XMLformats, as well as binary formats more adequateto efﬁcient processing; the required format con-verters are included in the platform. The grammarformalism allows for the combination ... cov-erage for French and English, originating from theformer LADL1, will be distributed with the plat-form under LGPL-LR2license.The platform aims to be a generalist base for di-verse ... put in our RTNs. This can be used, for instance, to insert tags in texts and thereforeformalize relations between identiﬁed segments.This formalism allows for the construction oflocal grammars...

Tài liệu Báo cáo khoa học: "Better Filtration and Augmentation for Hierarchical Phrase-Based Translation Rules" pdf

... proposed for better ruleselection. Taking the dependency edge as condi-tion, our approach is very different from previousapproaches of exploring context information. 3 Relaxed-well-formed DependencyStructureDependency ... second wordto trigger the target word without considering any linguistic information. Furthermore, since the sec-ond word can come from any part of the sentence,there may be a prohibitively large ... translation rule table resortingto the dependency information of bilingual lan-guages. We only keep rules that both sides arerelaxed-well-formed (RWF) dependency structure(see the deﬁnition...

Tài liệu Báo cáo khoa học: "Part-of-Speech Tagging for Twitter: Annotation, Features, and Experiments" pdf

... the Association for Computational Linguistics:shortpapers, pages 42–47,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsPart-of-Speech Tagging for Twitter: ... 2010).than for Standard English text. For example, apos-trophes are often omitted, and there are frequentlywords like ima (short for I’m gonna) that cut acrosstraditional POS categories. Therefore, ... performance (Sch¨utze andPedersen, 1993). We used 1.9 million tokens from 134,000 unlabeled tweets to construct distributionalfeatures from the successor and predecessor proba-bilities for...

Tài liệu Báo cáo khoa học: "Sentiment Vector Space Model for Lyric-based Song Sentiment Classification" pdf

... 2008.c2008 Association for Computational LinguisticsSentiment Vector Space Model for Lyric-based Song Sentiment Classification Yunqing Xia Linlin Wang Center for Speech and language ... classification is the key technology for song recommendation. Many research works have been reported to achieve this goal using audio sig-nal (Knees et al., 2007). But research efforts on lyric-based song ... address the aforementioned problems of the VSM model, the sentiment vector space model (s-VSM) is proposed in this work. We adopt the s-VSM model to extract sentiment features from song lyrics...

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