exploiting shallow linguistic information for relation extraction from biomedical literature
Tài liệu Báo cáo khoa học: "Kernels on Linguistic Structures for Answer Extraction" doc
... 113–116,Columbus, Ohio, USA, June 2008.c2008 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...
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Tài liệu Báo cáo khoa học: "Composite Kernels For Relation Extraction" pdf
... benchmarkdataset. We close with a summary and conclu-sions.2 Kernels for Relation Extraction Relation extraction aims at learning a relation from a number of positive and negative instancesin natural ... tree kernel outperforms all others by 5.7%F-Measure reaching an F-Measure of 71.2%. Thisresult shows that both types of parse trees containrelevant information for relation extraction. The remainder ... suggestingthat both types of trees contain comple-mentary information for relation extrac-tion.1 IntroductionThe same semantic relation between entities innatural text can be expressed in...
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Tài liệu Báo cáo khoa học: "Incorporating Context Information for the Extraction of Terms" pdf
... incorporating information gained from the textual context of the candidate term. 2 Context information for terms The idea of incorporating context information for term extraction came from that ... 'external' information derived from the context of the candidate string. It is embedded to the C-value approach for automatic term recognition (ATR), in the form of weights constructed from statisti- ... Context Information for the Extraction of Terms Katerina T. Frantzi Dept. of Computing Manchester Metropolitan University Manchester, M1 5GD, U.K. K. Frantzi@doc. mmu. ac. uk Abstract The information...
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Báo cáo khoa học: "Dependency Tree Kernels for Relation Extraction" pot
... A. Richardella. 2003.Kernel methods for relation extraction. Jour-nal of Machine Learning Research, pages 1083–1106.Dependency Tree Kernels for Relation Extraction Aron CulottaUniversity of ... In IJCAIWorkshop on Information Integration on the Web.S. Miller, H. Fox, L. Ramshaw, and R. Weischedel.2000. A novel use of statistical parsing to ex-tract information from text. In 6th Applied ... semantic la-bels denoting entity and relation types. WhereasMiller et al. (2000) use a generative model to pro-duce parse information as well as relation informa-tion, we hypothesize that a...
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Báo cáo khoa học: "Reducing Wrong Labels in Distant Supervision for Relation Extraction" potx
... Knowledge-based weak supervision for information extraction ofoverlapping relations. In Proceedings of the 49th An-nual Meeting of the Association for ComputationalLinguistics: Human Language Technologies ... dictionar-ies for information extraction by multi-level bootstrap-ping. In AAAI/IAAI, pages 474–479.Chang Wang, James Fan, Aditya Kalyanpur, and DavidGondek. 2011. Relation extraction with relation topics. ... patterns for the relation. 6We averaged the evaluation values in terms of macroaverage over relations before averaging over the datasplits.6Patterns that ambiguously express the relation, for...
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Báo cáo khoa học: "Distant supervision for relation extraction without labeled data" docx
... 2008. Self-supervised relation extraction from the web. Knowl-edge and Information Systems, 17(1):17–33.Yusuke Shinyama and Satoshi Sekine. 2006. Preemp-tive information extraction using unrestricted ... to a small number of relation instances and corpora of less than a mil-lion words.Many early algorithms for relation extraction used little or no syntactic information. For ex-ample, the DIPRE ... extract evidence for a relation from many different documents, and from any genre.3 FreebaseFollowing the literature, we use the term ‘rela-tion’ to refer to an ordered, binary relation be-tween...
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Báo cáo khoa học: " The Development of Lexical Resources for Information Extraction from Text Combining Word Net and Dewey Decimal Classification" potx
... the field labels that are interesting for the domain 227 Proceedings of EACL '99 The Development of Lexical Resources for Information Extraction from Text Combining WordNet and Dewey ... system has been limited for two main reasons. First the in- formation associated to each term is often not de- tailed enough for describing the relations neces- sary for a IE lexicon; secondly ... Lexical Resources Lexical information in IE can be divided into three sources of information (Kilgarriff, 1997): • an ontology, i.e. the templates to be filled; • the foreground lexicon (FL),...
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Báo cáo khoa học: "Toolkit for Multi-Level Alignment and Information Extraction from Comparable Corpora" pptx
... performance for English-Latvian. 3 Conclusions and Related Information This demonstration paper describes the ACCURAT toolkit containing tools for multi-level alignment and information extraction ... Association for Computational Linguistics, pages 91–96,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsACCURAT Toolkit for Multi-Level Alignment and Information ... sentence generation from comparable corpora for improved SMT. Machine Translation, 25(4): 341-375. ACCURAT D2.6 2011. Toolkit for multi-level alignment and information extraction from comparable...
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Báo cáo khoa học: "Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web" pdf
... “deep” linguistic technology and re-dundant Web information for Information Extraction tasks.• Our experimental results reveal that relationsare extractable with good precision using linguistic ... onthe Web. Therefore, we do not parse informa-tion from the Web corpus, but from well writtentexts. Particularly, we specifically examine unsu-pervised relation extraction from existing texts ... surface patterns from theWeb corpus. Surface patterns from redundancyWeb information are expected to address the datasparseness problem. Wikipedia is currently widelyused information extraction...
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Tài liệu Báo cáo khoa học: "Exploiting Syntactic and Shallow Semantic Kernels for Question/Answer Classification" docx
... Computational Linguistics, pages 776–783,Prague, Czech Republic, June 2007.c2007 Association for Computational Linguistics Exploiting Syntactic and Shallow Semantic Kernels for Question/Answer ... impact of syntactic and shallow semantic information in automatic classifi-cation of questions and answers and answerre-ranking. We define (a) new tree struc-tures based on shallow semantics encodedin ... syntactic information helps tasks such as question/answer classifi-cation and that shallow semantics gives re-markable contribution when a reliable set ofPASs can be extracted, e.g. from answers.1...
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- information extraction from text combining word net
- exploiting shallow linguistic information
- information extraction from voicemail
- information extraction from the web
- exploiting shallow linguistic information for relation extraction
- information extraction from web tables
- information extraction from websites
- information extraction from web pages ieee
- information extraction from unstructured web text
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