Báo cáo khoa học: "CORPUS-BASED ACQUISITION OF RELATIVE PRONOUN DISAMBIGUATION HEURISTICS" pdf

... seem to employ one of 3 approaches for relative pronoun disambiguation. Systems that use a formal syntactic grammar often directly encode information for relative pronoun disambiguation in ... automated acquisition of disambiguation heuristics for additional problems in natural language processing. In the next section, we briefly describe the task of relative pronoun disambiguation. ... CORPUS-BASED ACQUISITION OF RELATIVE PRONOUN DISAMBIGUATION HEURISTICS Claire Cardie Department of Computer Science University of Massachusetts Amherst, MA 01003 E-mail:...

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

... The completeness of the output list increases monotonically with the total number of occurrences of each verb in the corpus. False positive rates are one to three percent of observations. ... architecture of the system, and that of this paper, directly reflects the three challenges described above. The system consists of three modules: 1. Verb detection: Finds some occurrences of verbs ... is evaluated in terms of efficiency and accuracy. The most useful estimate of efficiency 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

... 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 ... 98% of theBNC receives at least a partial analysis (Carroll andBriscoe, 2002)) which is useful in view of the in-frequent occurrence of some of the SCFs, althoughcombining the results of competing ... 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...

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

... sense maps to a set of Chinese synonyms that realise the same concept.English ambiguous word wSense 1 of w Sense 2 of wChinese translation of sense 2Chinese translation of sense 1English-ChineseLexicon1. ... 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 ... Automatic Acquisition of English Topic Signatures Based ona Second LanguageXinglong WangDepartment of InformaticsUniversity of SussexBrighton, BN1 9QH, UKxw20@sussex.ac.ukAbstractWe...

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

... different processes: sep-aration of functional words, segmentation of com-pound nouns, and veriﬁcation of the usefulness of the extracted sentences.An NE is often concatenated with more than ... the usefulness of 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 TaggedCorpusWe ... Automatic Acquisition of Named Entity Tagged Corpus from World WideWebJoohui AnDept. of CSEPOSTECHPohang, Korea 790-784minnie@postech.ac.krSeungwoo LeeDept. of CSEPOSTECHPohang,...

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

... grammar-based. N-gram model estimates the probability of a sentence as the product of the probability of each word in the sentence. It assumes that probability of the nth word is dependent on the previous ... probability of the sentence using the probabilities of the structures. Long distance dependencies can be rep- resented well by means of the structures. The approach usually makes use of phrase ... sequence of 0 or more adjacent complete-links that have the same direction. A unit complete-sequence is defined on a string of one word. It is 0 sequence of complete-links. The direction of a...

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

... 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 Brent (Brent and Berwick ... basic measures of results are the information retrieval notions of recall and precision: How many of the subcategorization frames of the verbs were learned and what percentage of the things ... many of the uses of verbs in a text are captured by our subcategorization dictionary. For two randomly selected pieces of text from other parts of the New York Times newswire, a portion of...

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. ... conjunctions of a finite number of predefined quasi-independent features with no need for disjunction or complex boolean combinations of features. Given such a feature set, the Principal of Struc-...

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

... 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 ... (pairs) of actions that occur in time order.We then chose among these actions the ones thatare typical by ranking them in terms of the fre-quency of their occurrence. To extract sequences of actions ... collection.3.Selecting typical sequences.We show the outline of our method in Figure1, where the process of automatic acquisition of script knowledge related to 'murder case' is de-scribed....

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