information retrieval from website

... the nominalization, etc., which represents it. 3. Information Retrieval from Texts Let us now turn to the problem of retrieving information from stored texts. As mentioned in Part 1, we will ... Linguistics, vol.11, nos.1 and 2, March and June 1968] Paraphrase Generation and Information Retrieval from Stored Text by P. W. Culicover, IBM Boston Programming Center First the notion ... expect to use profitably the information gleaned from it. The keyword method does not take full advantage of this type of analysis, since it selects a single word from the major constituent...

Ngày tải lên: 16/03/2014, 19:20

Ngày tải lên: 22/06/2014, 23:20

... in Cross-Language Information Retrieval. IPSJ Transactions of Databases, TOD 15, 43(SIG 9):39–54. F. Sadat, M. Yoshikawa and S. Uemura. 2003. Learn- ing Bilingual Translations from Comparable Corpora to ... Corpora to Cross-Language Information Retrieval: Hybrid Statistics-based and Linguistics-based Approach. In Proc. IRAL 2003, Sapporo, Japan. G. Salton. 1971. The SMART Retrieval System, Experi- ments ... 1983. Introduction to Modern Information Retrieval. New York, Mc Graw-Hill. S. Sekine. 2001. OAK System-Manual. New York Uni- versity. Bilingual Terminology Acquisition from Comparable Corpora and...

Ngày tải lên: 20/02/2014, 16:20

... trong truy xuất thông tin 1.1.1 Hệ thống truy xuất thông tin (Information Retrieval- IR) Hệ thống Truy xuất thông tin (Information Retrieval) là hệ thống thực hiện tìm kiếm tài liệu (thường là ... without Information Retrieval, IR OB P QEM    ) - Mô hình mở rộng truy vấn dựa trên ontology và kết hợp với hệ thống truy xuất thông tin (Query Expansion Model with Ontology-Based with Information ... thống truy xuất thông tin (Query Expansion Model with Ontology-Based and Probability with Information Retrieval, +IR OB P QEM   ) 2.4.2.2 Các bước thực hiện mở rộng truy vấn dựa trên Ontology...

Ngày tải lên: 17/02/2014, 08:47

... weights. In this paper, we explore whether more sophisticated feature weighting schemes from Information Retrieval can enhance classification accuracy. We show that vari- ants of the classic tf.idf ... to word features. In this paper, we examine whether term weight- ing functions adopted from Information Retrieval (IR) based on the standard tf.idf formula and adapted to the particular setting ... weight- ing approaches in automatic text retrieval. Technical report, Ithaca, NY, USA. Gerard Salton and Michael J. McGill. 1986. Intro- duction to Modern Information Retrieval. McGraw- Hill, Inc., New...

Ngày tải lên: 20/02/2014, 04:20

... Ming Zhou. 2000. On the use of words and n-grams for Chinese information retrieval. In Proceedings of the 5th International Workshop Information Retrieval with Asian Languages, pages 141–148. ACM Press, November. Bo ... re- search described in this paper uses the information retrieval (IR) paradigm which has also been used by some researchers. Several sentiment information retrieval models were proposed in the framework ... benefit from the use of word relations information: some words have sentiment informa- tion only when used with others. For example, a noun dongxi (‘a thing’) does not seem to have any sentiment information...

Ngày tải lên: 20/02/2014, 12:20

... "Natural Language Information Retrieval: TREC°5 Report." Proceedings of TREC-5 confer° ence. Strzalkowski, Tomek. 1995. "Natural Language Information Re- trieval" Information Processing ... usefulness of summa- rization in context of an information retrieval sys- tem, where the user needs to rapidly and efficiently review the documents returned from search for an indication of relevance ... passage-search "query" is derived from the user's document search query rather than from the document title. 2. The distance of a passage from the beginning of the document is not...

Ngày tải lên: 20/02/2014, 18:20

... content. For example, the pair retrieve +information is extracted from any of the fol- lowing fragments: information retrieval system; retrieval of information from databases; and informa- tion ... Michael. 1991. " ;Retrieval Performance in Ferret: A Conceptual Information Retrieval System." Proceedings of ACM SIGIR-91, pp. 347-355. Sager, Naomi. 1981. Natural Language Information Processing. ... to as 'conceptual retrieval& apos;. The conceptual retrieval systems, though quite effective, are not yet mature enough to be con- sidered in serious information retrieval applications,...

Ngày tải lên: 20/02/2014, 21:20

... 1979. Representation and classification of knowledge and information for use in interactive information re- trieval. In Human Aspects of Information Science. Oslo: Norwegian Library School. 148 ... grams and the results co~ared to the evaluations of the original analysis and to one another. From the compar- isons can be determined: the extent to which discourse theory can be translated...

Ngày tải lên: 21/02/2014, 20:20

... and development in information retrieval. 287 Veale and Hao (2007) exploit the simile frame “as X as Y” to harvest a great many common similes and their underlying stereotypes from the web (e.g. ... thus, the Google queries “In * no one can hear you scream” (from Alien), “Reader, I * him” (from Jane Eyre) and “This is your brain on *” (from a famous TV advert) find new ways in which old patterns ... creative information retrieval to explore how an IR system can itself provide a degree of creative anticipation, acting as a mediator between the lit- eral specification of a meaning and the retrieval...

Ngày tải lên: 07/03/2014, 22:20

... trigram information into our training procedure. Corpus information might be used in more delicate way to improve the performance. References A. Berger and J. Lafferty, " ;Information retrieval ... new lan- guage models of information retrieval to the tradi- tional retrieval models: University of Twente [Host]; University of Twente, Centre for Telemat- ics and Information Technology, 2000. ... Croft, "A general language model for information retrieval, " 1999, pp. 316-321. G. Salton and M. J. McGill, Introduction to Modern Information Retrieval: McGraw-Hill, Inc. New York,...

Ngày tải lên: 08/03/2014, 01:20

... approximately one million news ar- ticles from the Associated Press, the New York Times, and the Xinhua News Agency. 3 Document Retrieval Since information retrieval systems supply the ini- tial ... arose from the recognition that the document does not occupy a privileged position in the space of information ob- jects as the most ideal unit of retrieval. Indeed, for certain types of information ... general less than the drops observed in the document retrieval runs. It appears possi- ble that the sentence retrieval algorithm was able to recover from a lower-quality result set, i.e., one with...

Ngày tải lên: 08/03/2014, 02:21

... resources for information retrieval tasks. Natural language in- formation retrieval. Kluwer Academic Publishers Dordrecht, NL. Bruce Croft and John Lafferty. 2003. Language Mod- eling for Information Retrieval. ... that our hypotheses hold in the context of Information Retrieval. 1 Introduction The task of an Information Retrieval (IR) system is to retrieve documents from a collection, in re- sponse to a user ... block tokens and 19,343 POS block types from the cor- pus. We retrieve relevant documents from two stan- dard TREC test collections, namely WT2G (2GB) and WT10G (10GB), from the 1999 and 2000 TREC Web...

Ngày tải lên: 08/03/2014, 02:21

... extracting key pieces of information from voicemail messages, such as the identity and phone number of the caller. This task differs from the named entity task in that the information we are inter- ested ... value of the available data. One as- pect of information extraction (IE) is the retrieval of documents. Another aspect is that of identify- ing words from a stream of text that belong in pre- defined ... recently a great deal of work has also focused on extracting information from speech sources. Examples of this are the Spoken Document Retrieval (SDR) task (NIST, 1999), named entity (NE) extraction...

Ngày tải lên: 08/03/2014, 05:20

... domain 227 Proceedings of EACL '99 The Development of Lexical Resources for Information Extraction from Text Combining WordNet and Dewey Decimal Classification* Gabriela Cavagli~t ITC-irst ... the main bot- tlenecks in the development of new ap- plications in the field of Information Ex- traction from text. Generic resources (e.g., lexical databases) are promising for reducing ... marking synsets in WordNet with field labels taken from the Dewey Decimal Classification. 1 Introduction One of the current issues in Information Extrac- tion (IE) is efficient transportability,...

Ngày tải lên: 08/03/2014, 21:20

... 3 Conclusions and Related Information This demonstration paper describes the ACCURAT toolkit containing tools for multi-level alignment and information extraction from comparable corpora. ... sentence generation from comparable corpora for improved SMT. Machine Translation, 25(4): 341- 375. ACCURAT D2.6 2011. Toolkit for multi-level alignment and information extraction from comparable ... filtering steps (Ştefănescu et al., 2012). The first step makes use of the Cross-Language Information Retrieval framework and uses a search engine to find sentences in the target corpus that...

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