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

... 2008.c2008 Association for Computational LinguisticsA Deductive Approach to Dependency Parsing∗Carlos Gómez-Rodr´ıguezDepartamento de ComputaciónUniversidade da Coruña, Spaincgomezr@udc.esJohn ... 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, ... modifications to the graph. In order to make the formalism generalenough to include these parsers, we define items interms of sets of partial dependency trees as shown inFigure 1. Note that a dependency...

Báo cáo khoa học: "A STOCHASTIC APPROACH TO SENTENCE PARSING" pptx

... history of natural language understanding work, semantic and pragmatic constraints are known to be indispensable and are recommended to be represented in some formal way and to be referred to ... A STOCHASTIC APPROACH TO SENTENCE PARSING Tetsunosuke FuJisaki Science Institute, IBM Japan, Ltd. No. 36 Kowa Building 5-19 Sanbancho,Chiyoda-ku Tokyo 102, Japan ABSTRACT ... by [Fu], a stochastic augmentatlon of a given grammar; furthermore, we propose to use the resultant statistics as a device for semantic and pragmatic constraints. Wlthin this stochastic framework,...

Báo cáo khoa học: "A MODULAR APPROACH TO STORY GENERATION" potx

... second story to be interwoven with those of the first, according to the rules identified in the original study. The Story Structure Rules use these features to generate complex stories to the ... program to represent the structure of the stories it produces. At the moment, a complex story consists of just two simple stories. The program generates stories by choosing one of the complex_story ... here (see Pemberton, 1984). In many stories, the order of elements as they are presented to the reader corresponds exactly to that of the story line, i.e. discourse and story line ordering...

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 ques- tions 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 ... 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 ... class associated with A to the class associated with B. If no such role exists, the search is for a role relating the nearest ancestor of the class of A to any ancestor of the class of B. The...

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

... subsequent modification to the system resulted in over 96 per cent of word tags being correctly assigned automatically. The remaining 3 to ~ per cent were corrected by human post-editors. ~brk is ... programs was devised to automatically produce a single level of grammatical description with one word tag representing the word class or part of speech of each word token in the corpus. Error ... 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 assigned phrase...

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 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...

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