Báo cáo khoa học: "Finding Anchor Verbs for Biomedical IE Using Predicate-Argument Structures" potx

... Finding Anchor Verbs for Biomedical IE Using Predicate-Argument StructuresAkane YAKUSHIJI† Yuka TATEISI‡† Yusuke MIYAO††Department of Computer Science, University of TokyoHongo ... ﬁnding anchor verbs, although our ﬁnal purpose is constructionof extraction rules. Most anchor verbs take topi-cal nouns, i.e., nouns describing target entities for IE, as their arguments. Thus verbs ... sys-tems use syntactic patterns on verbs ( anchor verbs )and their arguments. Anchor verbs can be se-lected by focusing on their arguments. We proposeto use predicate-argument structures (PASs),...

Báo cáo khoa học: "Finding Salient Dates for Building Thematic Timelines" pot

... 2012.c2012 Association for Computational LinguisticsFinding Salient Dates for Building Thematic TimelinesR´emy KesslerLIMSI-CNRSOrsay, Francekessler@limsi.frXavier TannierUniv. Paris-Sud,LIMSI-CNRSOrsay, ... temporalinformation and uses only this information to detectsalient dates for the construction of event timelines.Other types of content are used for initial thematicdocument retrieval. Output is a list of ... speciﬁcation language for manual anno-tation of temporal information in texts, but, to thebest of our knowledge, it has not yet actually beenused in information retrieval systems. Neverthe-1This...

Tài liệu Báo cáo khoa học: "Unsupervised Translation Induction for Chinese Abbreviations using Monolingual Corpora" ppt

... full-form phrases;• Step-4: induce translation entries for Chineseabbreviations by using their full-form phrasesas bridges;• Step-5: augment the baseline system withtranslation entries obtained ... Translation Induction for ChineseAbbreviationsGiven a Chinese abbreviation and its full-form, weinduce English translation entries for the abbrevia-tion by using the full-form as a bridge. Speciﬁcally,we ... table. Once we get the transla-tion entries for the full-form, we can replace the full-form Chinese with its abbreviation to generate trans-lation entries for the abbreviation. Moreover, to dealwith...

Tài liệu Báo cáo khoa học: "A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics" pptx

... A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics Radu SORICUT Information Sciences Institute University of Southern California 4676 Admiralty ... variation, 83.04%. For comparison purposes, we also computed the value of R2 for adequacy using the BLEU score formula given in (Papineni et al., 2002), for the 7 systems using the same one ... values for the family of metrics AEv(α,N), for adequacy scores in MT evaluation scores from the human evaluation, for summaries of 200 and 400 words, respectively (the values of R2 for summaries...

Báo cáo khoa học: "A Bilingual Concordancer for Domain-Specific Computer Assisted Translation" potx

... retrieved sentence pairs, we propose a correlation function modified from the Dice coefficient for assessing the correlation between the query and the translation equivalents. The performances ... Ming-Hong Bai1,2 Yu-Ming Hsieh1,2 Keh-Jiann Chen1 Jason S. Chang2 1 Institute of Information Science, Academia Sinica, Taiwan 2 Department of Computer Science, National Tsing-Hua University, ... of the translation spotting for each term3.3 Evaluation of Ranking To evaluate the performance of a ranking function, we ranked the retrieved sentences of the queries by the function. Then,...

Báo cáo khoa học: "A Support Platform for Event Detection using Social Intelligence" pot

... to presentdata for. 1 IntroductionSocial media and micro-blogs have entered themainstream of society as a means for individu-als to stay in touch with friends, for companiesto market products ... Association for Computational Linguistics, pages 69–72,Avignon, France, April 23 - 27 2012.c2012 Association for Computational LinguisticsA Support Platform for Event Detection using Social ... with facility for rich user interaction.Our starting in the development of this systemwas the Ushahidi platform,1which has high up-take for social media surveillance and informationdissemination...

Báo cáo khoa học: "An Automatic Method for Summary Evaluation Using Multiple Evaluation Results by a Manual Method" pptx

... For each step, we need to discuss the following points. (Step 1) 1. How many summaries, and what type (variety) of summaries should be prepared? Kazawa et al. prepared 6 summaries for ... Association for Computational LinguisticsAn Automatic Method for Summary Evaluation Using Multiple Evaluation Results by a Manual Method Hidetsugu Nanba Faculty of Information Sciences, Hiroshima ... method. First, n summaries for each document, m, were prepared. A summarization system generated summaries from m documents. Here, we represent the ith summary for the jth document and...

Báo cáo khoa học: "Semi-supervised Training for the Averaged Perceptron POS Tagger" potx

... tagsFirst letter of previous tagWord formsCurrent word formPrevious word formPrevious two word formsFollowing word formFollowing two word formsLast but one word formCurrent word affixesPrefixes ... significant margins (wehave achieved 4.12 % relative error reduction for English and 4.86 % for Czech over the best pre-viously published results, single or combined), using a single tagger. However, ... givenposition) is generated, in our case, using a mor-phological analyzer for the given language (essen-6The name “Morˇce” stands for “MORfologieˇCEˇstiny”(“Czech morphology”, see (Votrubec,...

Báo cáo khoa học: "Designing spelling correctors for inflected languages using lexical transducers" pdf

... cess. A very important new feature is the use of user dictionaries whose entries can recognise both the original and inflected forms. In languages with a high level of inflection such as Basque ... transducers and is built using the fst library of Inxight 1. A lexical transducer (Karttunen, 94) is a finite-state au- tomaton that maps inflected surface forms to lexical forms, and can be ... Proceedings of EACL '99 Designing spelling correctors for inflected languages using lexical transducers I. Aldezabal, I. Alegria, O. Ansa, J. M. Arriola and N....

Báo cáo khoa học: "Automatic Evaluation Method for Machine Translation using Noun-Phrase Chunking" pptx

... of 7th NTCIR Workshop Meetingon Evaluation of Information Access Technolo-gies: Information Retrieval, Question Answer-ing and Cross-lingual Information Access, 389–400.Gregor Leusch, Nicola ... correlation coefficients obtained using our method and other methods are statisti-cally significant at the 5% or lower signifi-cance level for adequacy. Results confirmedthat our method using noun-phrase ... In IMPACT, using no analyticalknowledge, the LCS route is determined using the information of the number of words in thecommon parts and the position of the com-mon parts. The RS for LCS route...

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