Báo cáo khoa học: "A Constraint-based Approach to English Prosodic Constituents" pdf

Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf

... seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. 4. The proper names tagged ... 86.7% To benchmark the quality of the automatically constructed corpus (Table 2), the testing corpus is first processed by our parser and then saved into the repository. The repository level ... paper presents a new bootstrapping approach to named entity (NE) classification. This approach only requires a few common noun/pronoun seeds that correspond to the concept for the target NE...

Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf

... such questions implicitly by proceding to answer the question or to seek information relevant to formulat- ing an answer. However IS may refuse to accept the question posed by IP because ... pushed onto the discourse stack. [SP2]When IS poses a question to IP, Expand- Question is pushed onto the discourse stack. Once IP begins answering the question, the stack is popped up to and ... goal rule DG-Obtaln-Info to deter- mine if the elliptical fragment is being used to accomplish the discourse goal of seeking information in order to construct an answer to the posed question....

Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot

... SThe ruJels may need to be used tecureively to get to a constanL aEvery expression in WML has a type. 4.1.¢ Knowledge Acquisition We have developed two complementary tools to greatly increase ... acquisition. KNACQ presents the user with a few questions and menus to elicit the English expressions used to refer to. that concept or role. To illustrate the kinds of information that must be acquired ... has a role from A to B (or from B to A) can be referred to by a definite NP. This has not yet been integrated into the Janus model of reference processing [4]. 4.3.2. Metonymy Unstated relations...

Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot

... word token in the corpus. Error analysis and subsequent modification to the system resulted in over 96 per cent of word tags being correctly assigned automatically. The remaining 3 to ~ per ... human post-editors. ~brk is now in progress to devise a suite of programs to provide a constituent analysis of the sentences in the corpus. So far, sample sentences have been automatically ... variety of English syntactic constructions that occurs in newspapers, books and journals; and they also force issues - such as how to incorporate punctuation into the parsing scheme, how to deal...

Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx

... these cytochromes have been proposed to be ter-minal Fe(III) and Mn(IV) reductases, although their role in the reductionof other metals is less well understood. To obtain more insight into this,we ... Journal compilation ª 2007 FEBSA kinetic approach to the dependence of dissimilatorymetal reduction by Shewanella oneidensis MR-1 on theouter membrane cytochromes c OmcA and OmcBJimmy Borloo*, ... omcA–omcB–MR-1R mutantsrelative to their MR-1R parent To study the substrate speciﬁcities of the outermembrane decaheme cytochromes OmcA and OmcBin the process of dissimilatory metal reduction, omcA–,omcB–and...

Báo cáo khoa học: "A new Approach to Improving Multilingual Summarization using a Genetic Algorithm" pptx

... op-eration.3http://www.extractor.com/928Today, graph-based text representations are be-coming increasingly popular, due to their abil-ity to enrich the document model with syntacticand semantic relations. Salton ... weighted average of two “parent” vectorsaccording to (Vignaux and Michalewicz, 1991).Formally, a new vector v will be created fromtwo vectors v1and v2according to the formulav = λ ∗ v1+ (1 ... 1997;Satoshi et al., 2001) and length-based (Satoshi etal., 2001).Considered the ﬁrst work on sentence scoringfor automated text summarization, Luhn (1958)based the signiﬁcance factor of...

Báo cáo khoa học: "A Deductive Approach to Dependency Parsing∗" potx

... head” for thesentence. In order for the algorithm to parse sen-tences correctly, we will need to define D-rules to allow w0 to be linked to the real sentence head.3.3 ES99 (Eisner and Satta, ... inference rules. However, in order to de-fine such a formalism we have to tackle some issuesspecific to dependency parsers:• Traditional parsing schemata are used to de-fine grammar-based parsers, ... used to decide whether a step linking wordsa and b (i.e., having a → b as a side condition) isexecuted or not, and probabilities can be attached to items in order to assign different weights to...

Báo cáo khoa học: "A Bootstrapping Approach to Unsupervised Detection of Cue Phrase Variants" docx

... inbootstrapping to evaluate the quality of the pat-terns automatically. IE and QA approaches, due to uniqueness assumptions of the real-world rela-tions that these methods search for, have an auto-matic ... according to their dis-tributional similarity to the nouns “method” and“model”. Subsequently, the noun “method” is used to ﬁnd transitive verbs and rank them according to their similarity to “introduce” ... goals, although they aresuperﬁcially similar to the correct contexts. Whilestring-based approaches (Paice, 1981; Teufel,1998) are too restrictive to cover the wide varia-tion within the correct...

Báo cáo khoa học: "A Grammatical Approach to Understanding Textual Tables using Two-Dimensional SCFGs" docx

... presented here aims to address thisproblem. Our model provides an enabling foun-dation toward a linguistic approach by ﬁrst shift-ing to a two-dimensional CFG framework. Thispermits us to construct ... 1078Vancouver Computer 2002 1130Victoria Phone 2001 818Victoria Phone 2002 894Victoria Computer 2001 968Victoria Computer 2002 1024LocationTypeTimeVancouverVictoriaPhoneComputer845107820012002Figure ... ways equivalent to the overlay of prosody onspeech Just as prosody undoubtedly contributes to the meaning of utterances, so too does a text’sgraphical presentation contribute to its meaning.However...

Báo cáo khoa học: "A LAYERED APPROACH TO NLP-BASED RETRIEVAL" potx

... match at all. But full NLP is too slow for this application, and partial matches do seem to be useful to its users, i.e. do seem to lead to licensing of photos. Using the output of the part-of-speech ... abbrevia- tions and other variant forms, e.g. Washington D.C.; Washington, DC; Washington, District of Columbia; Washington DC; Washington, D.C.; DC; and D.C. Some superunits were added, ... modifiers) makes it possible to dis- tinguish stock cars from car stocks, and, for a query on little girl in a red shirt, to retrieve girls in red shirts in preference to a girl in a blue shirt...

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