chinese opinionated information retrieval

... tested different kinds of features for retrieval of Chinese opinionated information. As stated earlier (see Section 1), we assume that the task of retrieval of opinionated texts (OIR) can be regarded ... of Opinionated Information Retrieval which is planned to be a module in a Cross-Language Opinion Extrac- tion system (CLOE). The main goal of this system is to provide access to opinionated information ... in the paper will consist of four main modules: 1. Query translation 2. Opinionated Information Retrieval 3. Opinionated Information Extraction 4. Results presentation The OIR module will process...

Ngày tải lên: 20/02/2014, 12:20

... 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

... 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 ... Robertson et al., 1996) is a probabilistic model for information retrieval and is one of the most popular and effective algorithms used in in- formation retrieval. For ease of reference, we in- corporate ... 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...

Ngày tải lên: 20/02/2014, 04:20

... 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 ... Overview of the SecondNTCIR Work- shop. In Proc. Second NTCIR Workshop on Research in Chinese and Japanese Text Retrieval and Text Sum- marization. P. Koehn and K. Knight. 2002. Learning a Translation Lexicon ... Uemura. 2002. Exploiting and Combining Multiple Resources for Query Expansion in Cross-Language Information Retrieval. IPSJ Transactions of Databases, TOD 15, 43(SIG 9):39–54. F. Sadat, M. Yoshikawa...

Ngày tải lên: 20/02/2014, 16:20

... "Natural Language Information Retrieval: TREC°5 Report." Proceedings of TREC-5 confer° ence. Strzalkowski, Tomek. 1995. "Natural Language Information Re- trieval" Information Processing ... easy combination of alternative retrieval methods, creating a meta- search strategy which maximizes the contribution of each stream. Different information retrieval systems can used as indexing ... It is also well suited for evaluating the usefulness of summa- rization in context of an information retrieval sys- tem, where the user needs to rapidly and efficiently review the documents...

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- ... 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...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... 2011. c 2011 Association for Computational Linguistics Creative Language Retrieval: A Robust Hybrid of Information Retrieval and Linguistic Creativity Tony Veale School of Computer Science and ... California Press. Van Rijsbergen, C. J. (1979). Information Retrieval. Oxford: Butterworth-Heinemann. Veale, T. (2004). The Challenge of Creative Informa- tion Retrieval. Computational Linguistics and...

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

... Agency. 3 Document Retrieval Since information retrieval systems supply the ini- tial set of documents on which a question answer- ing system operates, it makes sense to optimize document retrieval performance ... techniques introduced in this paper are applicable to the different types of information needs discussed above. While information retrieval techniques form a strong baseline for answering relationship ... 2006. c 2006 Association for Computational Linguistics The Role of Information Retrieval in Answering Complex Questions Jimmy Lin College of Information Studies Department of Computer Science Institute...

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. ... Experimental out- comes confirm 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, ... The improvement in retrieval performance now associ- ated to DLH is similar to the improvement associ- ated with the other weighting schemes. Secondly, the difference in the retrieval improvement...

Ngày tải lên: 08/03/2014, 02:21

... substitute 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, ... Equivalence of Models Used in the Fields of Mechanical Translation and Information Re- trieval." In Information Storage and Retrieval. Vol. 2. London: Pergamon Press, 1964. 22. Halliday, M. ... Computational 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...

Ngày tải lên: 16/03/2014, 19:20

... 1997. Comparing Representation in Chinese Information Retrieval. In Proc. of the 20th Annual ACM Conference on Research and Devel- opment in Information Retrieval (SIGIR-1997), pages 34-41. ... Development in Information Retrieval (SIGIR- 2002), pages 159-166. Jian-Yun Nie, Jianfeng Gao, Jian Zhang, and Ming Zhou. 2000. On the Use of Words and N-grams for Chinese Information Retrieval. ... each ti- tle query as Chinese query title-cn2: use reference translation 2 of each ti- tle query as Chinese query desc-cn: use reference translation of each desc query as Chinese query Among...

Ngày tải lên: 17/03/2014, 04:20

... translation and query expansion techniques for cross-language information retrieval. In 20th Annual ACM SIGIR Conference on Information Retrieval. L. Ballasteros and W.B. Croft. 1998. Re- solving ... In 19th Annual ACM SI- GIR Conference on Information Retrieval. 214 Should we Translate the Documents or the Queries in Cross-language Information Retrieval? J. Scott McCarley IBM T.J. Watson ... Fast document translation for cross-language information retrieval. In D. Farwell., E. Hovy, and L. Gerber, editors, Machine Translation and the Information Soup, page 150. D.W. Oard and...

Ngày tải lên: 17/03/2014, 07:20

... Approach to Multilingual Information Retrieval. " Proceedings of the 19 'h ACM SIGIR, 49-57. Kowk, K.L. (1997) "Evaluation of an English -Chinese Cross- Lingual Retrieval Experiment." ... Automatic Text Retrieval. " Information Processing and Management, Vol. 5, No. 24, 513-523. Sheridan, P. and Ballerini, J.P. (1996) "Experiments in Multilingual Information Retrieval Using ... monolingual information retrieval is achieved. When co-occurrence model is employed to resolve translation ambiguity, 0.0831 average precision (56.96% of monolingual information retrieval) ...

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