Báo cáo khoa học: "Automatic Acquisition of Named Entity Tagged Corpus from World Wide Web" pot

... Automatic Acquisition of Named Entity Tagged Corpus from World Wide WebJoohui AnDept. of CSEPOSTECHPohang, Korea 790-784minnie@postech.ac.krSeungwoo LeeDept. of CSEPOSTECHPohang, ... the con-structed NE tagged corpus, we apply it to a learn-ing of NER system and compare the results with themanually tagged corpus. 2 Automatic Acquisition of an NE Tagged Corpus We only focus ... taggenerationS1(t)S2(t)S3(t)…NE tagged corpus Figure 1: Automatic generation of NE tagged corpus from the websiderations in this marking process because of theword ambiguity and boundary ambiguity of NE in-stances....

Báo cáo khoa học: "Automatic Acquisition of English Topic Signatures Based on a Second Language" potx

... mainly from the Mandarin portion of the Chinese Gigaword Corpus (CGC), producedby the LDC3, which contains 1.3GB of newswiretext drawn from Xinhua newspaper. Some Chi-nese translations of English ... instances of the ﬁ-nancial sense of interest. One set was extracted from a hand -tagged corpus (Bruce and Wiebe,1994) and the other by our algorithm.3 Application on WSDTo evaluate the usefulness of ... WSD.The remainder of the paper is organised as fol-lows. Section 2 describes the process of acqui-sition of the topic signatures. Section 3 demon-strates the application of this resource on...

Báo cáo khoa học: "Automatic Discovery of Named Entity Variants – Grammar-driven Approaches to Non-alphabetical Transliterations" pptx

... Taiwanshukai@gmail.comAbstractIdentiﬁcation of transliterated names is aparticularly difﬁcult task of Named Entity Recognition (NER), especially in the Chi-nese context. Of all possible variations of transliterated named entities, ... to the automaticextraction of diverging transliterations of foreign named entities by bootstrapping co-occurrence statistics from tagged and seg-mented Chinese corpus. Preliminary experi-ment ... and shows itspotential in NLP applications.1 Introduction Named Entity Recognition (NER) is one of the mostdifﬁcult problems in NLP and Document Under-standing. In the ﬁeld of Chinese NER,...

Báo cáo khoa học: "AUTOMATIC ACQUISITION OF A LARGE SUBCATEGORIZATION DICTIONARY FROM CORPORA" doc

... be obtained from text corpora, the only research that I am aware of that has dealt directly with the problem of the automatic acquisition of subcategorization frames is a series of papers by ... many of the uses of verbs in a text are captured by our subcate- gorization dictionary. For two randomly selected pieces of text from other parts of the New York Times newswire, a portion of ... discussed by Hearst (1992). SA sample of 100 uses of /n from the New York Times suggests that about 70% of uses are in post- verbal contexts, but, of these, only about 15% are sub- categorized...

Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc

... on the Case Filter of Rouvret and Vergnaud (1980). The completeness of the output list increases monotonically with the total number of occurrences of each verb in the corpus. False positive ... detected so far The SF acquisition program has been tested on a corpus of 2.6 million words of the Wall Street Journal (kindly provided by the Penn Tree Bank project). On this corpus, it makes 5101 ... is evaluated in terms of efficiency and accuracy. The most useful estimate of effi- ciency is simply the density of observations in the corpus, shown in the first column of Table 3. The SF...

Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx

... PatternSingular“a(x) x is made up of ” NPQTis made up of NP’C“a(x) x is made of NPQTis made of NP’C“a(x) x comprises” NPQTcomprises (of) ? NP’C“a(x) x consists of NPQTconsists of NP’CPlural“p(x) ... NP’CPlural“p(x) are made up of ” NPQTis made up of NP’C“p(x) are made of NPQTare made of NP’C“p(x) comprise” NPQTcomprise (of) ? NP’C“p(x) consist of NPQTconsist of NP’CTable 2: Clues ... a ﬁxednumber of basic components”, ”data mining com-prises a range of data analysis techniques”, ”booksconsist of a series of dots”, or ”a conversation ismade up of a series of observable...

Báo cáo khoa học: "Automatic Acquisition of Adjectival Subcategorization from Corpora" docx

... Proceedings of the 43rd Annual Meeting of the ACL, pages 614–621,Ann Arbor, June 2005.c2005 Association for Computational LinguisticsAutomatic Acquisition of Adjectival Subcategorization from CorporaJeremy ... acquisition. 1 IntroductionResearch into automatic acquisition of lexical in-formation from large repositories of unannotatedtext (such as the web, corpora of published text,etc.) is starting to produce ... enhancing the performance of ∗Part of this research was conducted while this author wasat the University of Edinburgh Laboratory for Foundations of Computer Science.state -of- art statistical systems...

Báo cáo khoa học: "Automatic Acquisition of Language Model based on Head-Dependent Relation between Words" pdf

... (DEP) on a raw corpus extracted from KAIST corpus 3. The raw corpus consists of 1,589 sentences with 13,139 words, describing animal life in nature. We randomly divided the corpus into two ... Given a training corpus, the initial grammar is just a list of all pairs of unique words in the corpus. The initial pairs represent the ten- tative head-dependent relations of the words. And ... Institute of Science and Technology) corpus has been under construction since 1994. It consists of raw text collection(45,000,000 words), POS -tagged collection(6,750,000 words), and tree-tagged...

Báo cáo khoa học: "AUTOMATIC ACQUISITION OF THE LEXICAL SEMANTICS OF VERBS FROM SENTENCE FRAMES*" doc

... AUTOMATIC ACQUISITION OF THE LEXICAL SEMANTICS OF VERBS FROM SENTENCE FRAMES* Mort Webster and Mitch Marcus Department of Computer and Information Science University of Pennsylvania ... thank Beth Levin and the anonymotm reviewers of this paper for many helpful com- ments. We ~ b~efit~l greatly from disctumion of issues of verb acquisition in children with Lila Gleitman. ... class of DIE, one of the toplevel verb classes. Next, suppose it sees (7) John broke the window. and sees from observation that the referent of "John" is an agent, the referent of...

Báo cáo khoa học: "Automatic Acquisition of Script Knowledge from a Text Collection" docx

... Automatic Acquisition of Script Knowledge from a Text CollectionToshiaki FujikiHidetsugu NanbaInterdisciplinary Graduate School of Graduate School of Science and EngineeringInformation ... sequences (pairs) of actions from the text collection.3.Selecting typical sequences.We show the outline of our method in Figure1, where the process of automatic acquisition of script knowledge related ... objects. A 'pair of actions'consists of two actions that occur in time order. A'sequence of actions' can be defined as a transitiveclosure of all the pairs of actions.1. Cases...

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