Báo cáo khoa học: "Semantic Types of Some Generic Relation Arguments: Detection and Evaluation" pptx

... Proceedings of ACL-08: HLT, Short Papers (Companion Volume), pages 185–188,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsSemantic Types of Some Generic Relation Arguments: Detection ... Arguments: Detection and EvaluationSophia KatrenkoInstitute of InformaticsUniversity of Amsterdamthe Netherlandskatrenko@science.uva.nlPieter AdriaansInstitute of InformaticsUniversity of Amsterdamthe ... allows to generalize relation ar-guments with high precision for such generic relations as Origin-Entity, Content-Container,Instrument-Agency and some other.1 Introduction and MotivationA common...

Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt

... leaving a dataset of 597 examples. The data is labeled with two different sets of semantic relations: one set of 30 relations with fairly specific meanings, and another set of 5 rela-tions ... set of 5 relations. One reason for this is that dividing a set of 600 in-stances into 30 classes results in a fairly sparse and uneven dataset. Table 1 is a list of the relations used and ... 1978). However, whether the set of possible predicates numbers 5 or 50, there are likely to be some examples of noun phrases that fit into none of the categories and some that fit in multiple categories....

Báo cáo khoa học: "Semantic enrichment of journal articles using chemical named entity recognition" pptx

... recogniser and does not per-form deeper parsing. Hence there is no analysis of thetext above the level of the term, with the exception of acronym matching, which is dealt with below, and some treatment ... 2006) and the Royal Society of Chemistry(RSC) use SciXML (Rupp et al., 2006) and RSC XMLrespectively. For the overall Sciborg workﬂow, standoffannotation is used to store the different sets of ... all of the potential NEs. For all NEs that have thesame sequence of tokens, share all of the ontIDs. Assignits class according to a priority list where STOP comesﬁrst and CM precedes ASE and...

Báo cáo khoa học: Two types of replication protein A in seed plants Characterization of their functions in vitro and in vivo ppt

... homologs of OsRPA70a and OsRPA70b (AtRPA70a and AtRPA70b)A. thaliana was used for genetic analysis of the functions of OsRPA70a and OsRPA70b because it has closely rela-ted homologs (AtRPA70a and ... wild-typeplants, the growth of atrpa70b and AtRPA70b RNAimutant seedlings was more inhibited by 10 000 and 20 000 JÆm)2 of UV-B (Fig. 2A,C), and was completelystopped by 50 and 75 p.p.m. of MMS (Fig. 2D,E). ... of therelative activity of the OsRPA32 and OsRPA14 interac-tion. The interaction of OsRPA70b and OsRPA32yielded about 75% of the relative activity of theOsRPA32 and OsRPA14 interaction. The...

Báo cáo khoa học: "Semantic Tagging of Web Search Queries" ppt

... U is a subset of X, and I is a subset of {1, 2 …n} (where n is the number of words in the query). This ac-tive arc tries to find a match to the right-hand side of r (i.e. X) and suggests to ... address the design and implementation of a parser for this kind of grammar. Section 5 gives an example of such a grammar designed for the purpose of automatic tagging of queries. Section ... multisets of words. For the notation convenience and consistancy, throughout this paper, we show terminals and non-terminals by lowercase and uppercase letters, respectively and sets and multisets...

Báo cáo khoa học: "Semantic Analysis of Japanese Noun Phrases: A New Approach to Dictionary-Based Understanding" doc

... example, coach is a coach of some sport; virus is a virus causing some dis- ease. Unlike the case of verbs, no semantic- 481 Table 1: Semantic relations in N1 no N2 Relation Noun Phrase N1 ... semantic-role relation is a relation that N1 fills in an semantic role of N2. When N2 is an action noun, an object-action relation is also regarded as a semantic-role relation. On the other hand, ... of Two Analyses Usually, either DBA or SBA outputs some rela- tion. In rare cases, neither analysis outputs any relation, which means analysis failure. When both DBA and SBA output some relations,...

Báo cáo khoa học: "TWO TYPES OF PLANNING IN LANGUAGE GENERATION" pot

... prescriptiee they act over and give shape to long ranges of text and some are restr/ct/ee they act over short ranges of text, usually as a selection from some number of alternatives. Prescriptive ... construction and placement of parts in the paragraph and the sentence; that is, they make some commitment to the final form of the text (such as, for example, the inclusion and order of specific ... paradigm, to per- form two types of p]annlng: prescriptive and re- strictive. Limited-commitment planning consists of both prescriptive (hierarchical expansion) plan- ning and of restrictive planning...

Báo cáo khoa học: "Semantic Transliteration of Personal Names" docx

... is and it are the ith token of S and T respec-tively and I is the total number of tokens in both S and T. kjS and kjT represent the sequence of tokens ()1,,,jj ksss+K and ... T, given the language of origin (L) and gender (G) labels. L and Gdenote the sets of languages and genders respectively. )|,( SGLP is the probability of the language and the gender given ... the source and target languages. For example, the Chinese transliterations of Alice and Alexandra are 爱丽丝 /Ai-Li-Si/ and 亚历山大 /Ya-Li-Shan-Da/ respectively, showing clear feminine and masculine...

Báo cáo khoa học: "Semantic Representation of Negation Using Focus Detection" pptx

... conditions of (2) are: (a) somebody eats something; (b) cowsare the ones who eat; and (c) meat is what is eaten.In order for (2) to be true, (a–c) have to be true. And the falsity of any of them ... representation of the afﬁrmative counterpartafter applying the pseudo -relation NOT over the fo-cus of the negation. This fact justiﬁes and motivatesthe detection of the focus of negation.4.2 ... common-sense knowledge and reasoning are a few of the dif-ﬁculties to overcome. Substantial progress has beenmade, though, especially on detection of semanticrelations, ontologies and reasoning methods.Negation...

Báo cáo khoa học: "Semantic classification of Chinese unknown words" pdf

... classify 65.76% of adjectives, 71.39% of nouns and 52.84% of verbs. Future work will explore the use of the contextual information of the unknown words and the contex-tual information of the lexicons ... of morpho-syntactic relation. The advantage of the classifier is to filter out examples in different relations and to find out the most similar example in morphemes and morpho-syntactic relation. ... distance is assigned to the unknown word. The similarity of 舞蹈/wudao and 歌唱/gechang is .87, of 舞蹈/wudao and 回/hui is .26, and of 舞蹈/wudao and 富貴/fugui is 0. Thus, 舞蹈家/wudaojia is more similar...

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