lexicons from the web
Tài liệu Báo cáo khoa học: "Extraction and Approximation of Numerical Attributes from the Web" pdf
... each kind. These patterns are the onlyattribute-specific resource in our framework.Value extraction. The first pattern group,Pvalues, allows extraction of the attribute values from the Web. All ... width 1.695m]’). We then extract new pat-terns from the retrieved search engine snippets andre-query the Web with the new patterns to obtainmore attribute values.We provided the framework with ... value for the givenobject. During the first stage it is possible thatwe directly extract from the text a set of valuesfor the requested object. The bounds processingstep rejects some of these...
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Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx
... query is a term, its hitis the number of pages that contain the term on the Web. We use the following notation.H(x)= the number of pages that contain the term x” The number H (x) can be used ... in the compiled corpus.R: the target term did not exist on the collected web pages.Only 43 terms (20%) out of 210 terms were col-lected by the system. This low recall primarilycomes from the ... explanation of the term.4. There are several technical terms that are re-lated to the term.We have implemented the checking program of the first two conditions in the system: the thirdconditioncan...
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Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc
... that, using the new web mining scheme, the web mining throughput is increased by 32%; (ii) The quality of the mined data is improved. By lever-aging the web pages’ HTML structures, the sen-tence ... English-Chinese parallel data from the web. The mining procedure is initiated by acquiring Chinese website list. We have downloaded about 300,000 URLs of Chinese websites from the web directories at ... (1) Given a web site, the root page and web pages directly linked from the root page are downloaded. Then for each of the downloaded web page, all of its anchor texts (i.e. the hyperlinked...
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Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx
... (not calculated over the Web) as well as the conditional probability cal-culated over the Web (Web- P) delivered the best re-sults, while the PMI-based ranking measure yielded the worst results. ... coefficient (Web- Jac), the PointwiseMutual Information (Web- PMI) and the conditionalprobability (Web- P). We also present a version of the conditional probability which does not use the Web but merely ... appropriatequeries to the web search engine and choosing the article leading to the highest number of results. The corresponding patterns are then matched in the 50snippets returned by the search engine...
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Báo cáo khoa học: "Mining Parenthetical Translations from the Web by Word Alignment" potx
... our modified version of the competitive link-ing algorithm, the link score of a pair of words is the sum of the φ2 scores of the words themselves, their prefixes and their suffixes. In addition ... pairs, where the translation of the in-parenthesis terms is a suffix of the pre-parenthesis text. The lengths and frequency counts of the suffixes have been used to determine what is the translation ... C ≥ 2 E + K, where C is the length of the Chinese text, E is the length of the English text in the parentheses and K is a constant (we used K=6 in our experiments). The lengths C and E are...
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Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf
... hyponym patterns toextract class instances from the web and then evalu-ates them further by computing mutual informationscores based on web queries. The work by (Widdows and Dorow, 2002) on lex-ical ... to instantiate the pattern. On the first iteration, the pattern is given to Google as a web query, and new class members are extracted from the retrieved text snippets. We wanted the system to ... progresses. Initially, the seed is the onlytrusted class member and the only vertex in the graph. The bootstrapping process begins by instan-tiating the doubly-anchored pattern with the seedclass...
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Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx
... relations from the web. Wecompare our approach with hypernym ex-traction from morphological clues and from large text corpora. We show that the abun-dance of available data on the web enablesobtaining ... reason, we are interested in em-ploying the web for the extraction of hypernym re-lations. We are especially curious about whether the size of the web allows to achieve meaningful resultswith ... the two web ex-periments and a combination of the best web ap-proach with the morphological approach. The con-junctive web pattern N en N rates best, because of itshigh frequency. The recall...
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Báo cáo khoa học: Subunit sequences of the 4 · 6-mer hemocyanin from the golden orb-web spider, Nephila inaurata Intramolecular evolution of the chelicerate hemocyanin subunits pot
... assuming that the LpoHc2 and the a-subunits ofN. inaurata and E. californicum on the one hand, andTtrHcA and the arachnid g-subunits on the other hand areorthologous proteins (see above). The fossil ... allows the unambiguous assignment todistinct subunit types. The orthologous subunits of thesespecies share 69.1–76.2% of their amino acids, with the asubunits being the most conserved and the ... studies The web- based tools provided by the ExPASy MolecularBiology Server of the Swiss Institute of Bioinformatics(http://www.expasy.org) and the programGENEDOC2.6[25] were used for the analyses...
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Báo cáo khoa học: "Constructing Transliteration Lexicons from Web Corpora" docx
... collected manually. One of the most important attributes of these term pairs is that the numbers of syllables in the source-language term and the target-language term are equal. The syllables of both ... are produced or until other criteria are met. The conversions used in the last round of the training phase are then used to extract large-scale transliterated-term pairs from query results. Two ... isolated consonant. Second, these English syllables are then converted into Chinese syllables using the trained cross- Constructing Transliteration Lexicons from Web Corpora Jin-Shea Kuo1,...
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Expert Service Oriented Architecture in C Sharp Using the Web Services Enhancements
... codedirectly in the code-behind file of the .asmx Web service. But in a service-orientedarchitecture, it is important to design the Web service components themselves sothat they truly act as ... to understanding the material in the second half of the book. The remaining chapters of the book cover all of the WS-Specifications that are imple-mented by WSE 2.0. Finally, the book closes ... and the characteristics of a Web service from the perspective of SOA. This chap-ter reviews the following topics:• SOA concepts and application architecture• The WS-I Basic Profile• The WS-Specifications•...
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