Information Retrieval IR

... Lucene.Net.Search.IndexSearcher(dir); Codeline  Index 26 //state the file location of the index string indexFileLocation = @"C:\Index"; Lucene.Net.Store.Directory dir = Lucene.Net.Store.FSDirectory.GetDirectory(indexFileLocation , ... index string indexFileLocation = @"C:\Index"; Lucene.Net.Store.Directory dir = Lucene.Net.Store.FSDirectory.GetDirectory(indexFileLo...

Ngày tải lên: 02/07/2014, 14:12

... 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...

Ngày tải lên: 17/02/2014, 08:47

... networks, tweets, fora, etc. has resulted in an environ- ment where everyone can publicly express their opinion about events, products or people. This wealth of information is potentially of vital im- portance ... research their consumers, man- age their reputations and identify new opportuni- ties. Wright (2009) claims that “for many busi- nesses, online opinion has turned into a kind of v...

Ngày tải lên: 20/02/2014, 04:20

... classification (index- ing) for an OIR query of the first level (finds opin- ionated information) and for an OIR query of the second level (finds opinionated information with sentiment direction detection), thus ... 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...

Ngày tải lên: 20/02/2014, 12:20

... 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 ... translation through re-scoring techniques as well as evaluations on Cross-Language Information Retrieval (CLIR). CLIR consists of retrieving docu- ments written in one language using...

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 ... > Evidence of Iranian support for Lebanese hostage takers. < desc > Document will give data linking Iran to groups in Lebanon which seize and hold Western hostag...

Ngày tải lên: 20/02/2014, 18:20

... 1991. " ;Information Retrieval and Natural Language Processing." Position paper at the workshop on Future Directions in Natural Language Pro- cessing in Information Retrieval, Chicago. ... Proceedings of ACM SIGIR-90, pp. 385-405. Mauldin, Michael. 1991. " ;Retrieval Performance in Ferret: A Conceptual Information Retrieval System." Proceedings of ACM SIGI...

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 ... (Figure 4). i. Repeat first and last sentences of the text. These sentences may include the more important con- cepts, and thus should be more heavily weighted. 2. Repeat first senten...

Ngày tải lên: 21/02/2014, 20:20

... Ireland. Tony.Veale@UCD.ie Abstract Information retrieval (IR) and figurative language processing (FLP) could scarcely be more different in their treatment of lan- guage and meaning. IR views language as an ... expansion. 3 Creative Text Retrieval In language, creativity is always a matter of con- strual. While conventional IR queries articulate a need for information, creative IR...

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 Informati...

Ngày tải lên: 08/03/2014, 01:20