Towards generic domain specific information retrieval

... is the presence of domain knowledge We define domain knowledge as the facts and information in a particular domain It is referred to by domain- specific concepts, encoded by domain- specific constructs, ... fundamental problem in domain- specific IR is to facilitate the information seeking process of domain- specific searchers by characterizing domain- specific resources in the prese...

Ngày tải lên: 10/09/2015, 09:28

... 4.2 In -Domain and Out-of -Domain Evaluation 47 4.2.1 47 Training and Evaluating on OntoNotes ii 4.2.2 4.3 Using Out-of -Domain Training Data 49 Concatenating ... attempt to use the existing training data of one word as the training data for other words Kohomban and Lee (2005) tried to use training examples of words different from the actual word to be cla...

Ngày tải lên: 09/09/2015, 10:06

... Wizards Mailing List, http://honor.trusecure.com/mailman/listinfo/firewallwizards PhoneBoy CheckPoint Information Portal, http://www.phoneboy.com/ Firewall and Security Portal, http://searchsecurity.techtarget.com/

Ngày tải lên: 21/01/2014, 02:20

... Chương III Các phương pháp mở rộng truy vấn truy xuất thông tin 3.1 Giải pháp mở rộng truy vấn truy xuất thông tin dựa thể học (ontology) 3.1.1 Lý lựa chọn giải pháp Mở rộng truy vấn dựa Ontology ... vào truy vấn đánh trọng số thích hợp 2.2 Phương pháp mở rộng truy vấn truy xuất thông tin dựa tóm tắt (summarization) Phươ...

Ngày tải lên: 17/02/2014, 08:47

... presented a study of document representations for sentiment analysis using term weighting functions adopted from information retrieval and adapted to classification The proposed weighting schemes ... provides information about the general distribution of term i amongst documents of all classes, without providing any additional evidence of class preference The utilizat...

Ngày tải lên: 20/02/2014, 04:20

... found set of features for text classification (indexing) for an OIR query of the first level (finds opinionated information) and for an OIR query of the second level (finds opinionated information ... kinds of features for retrieval of Chinese opinionated information As stated earlier (see Section 1), we assume that the task of retrieval of opinionated tex...

Ngày tải lên: 20/02/2014, 12:20

... terms and translation alternatives) Comparable Corpora Filtered Translation Candidates Phrasal Translation WWW (Re-scoring the translation alternatives) Phrasal Translation Candidates Phrasal Translation ... bilingual terminology acquisition and disambiguation from comparable corpora (Sadat et al., 2003) is described as follows: - Bilingual terminology a...

Ngày tải lên: 20/02/2014, 16:20

... against each stream, i.e., a phrase query against the phrase stream, a name query against the name stream, etc The results are obtained by merging ranked lists of documents obtained from searching ... from documents judged relevant are added to the query while weights of all terms are adjusted in order to reflect the relevance information Thus, terms occurring predominantly in rel...

Ngày tải lên: 20/02/2014, 18:20

... For example, "natural" is deleted from a query already containing "natural language" because "natural" occurs in many unrelated contexts: "natural number", "natural logarithm", "natural approach", ... notorious ambiguity of nominal compounds For example, the phrase natural language processing should generate language +natural and processing +language, while dynamic information pro...

Ngày tải lên: 20/02/2014, 21:20

... relations; and foregrounding devices (Figure 4) 148 Belkin, N.J., Brooks, H.M., and Oddy, R.N 1979 Representation and classification of knowledge and information for use in interactive information ... constraints typical of DR systems The modi~,cations are designed to recognize such aspects of discourse structure as establishment of topic; "setting of context; summarizing; con...

Ngày tải lên: 21/02/2014, 20:20

... criterion tends to ignore rare translations In this paper, we propose a bilingual concordancer, DOMCAT, for computer assisted domain-specific term translation To remedy the above mentioned effects, ... of normalized frequency and is adjusted for spotting rare translations These characteristics are especially important for a domain-specific bilingual concordancer to spot t...

Ngày tải lên: 07/03/2014, 18:20

... non-literal matching and automatic query expansion Creative Text Retrieval In language, creativity is always a matter of construal While conventional IR queries articulate a need for information, creative ... Expressing Attitude with Idiom Savant Our retrieval goals in IR are often affective in nature: we want to find a way of speaking about a topic that expresses a part...

Ngày tải lên: 07/03/2014, 22:20

... Markov model information retrieval system, " 1999, pp 214-221 E M Voorhees, "The TREC robust retrieval track," 2005, pp 11-20 F Song and W B Croft, "A general language model for information retrieval, " ... statistical natural language processing: MIT Press, 1999 Conclusion D Hiemstra and A P de Vries, Relating the new language models of information retrieval to the tr...

Ngày tải lên: 08/03/2014, 01:20

... 2006a The role of knowledge in conceptual retrieval: A study in the domain of clinical medicine In SIGIR 2006 J Lin and D Demner-Fushman 2006b Will pyramids built of nuggets topple over? In HLT/NAACL ... to the small number of submissions, many of which used Document Retrieval Since information retrieval systems supply the initial set of documents on which a quest...

Ngày tải lên: 08/03/2014, 02:21

... behind both of these hypotheses is that, just as individual words can be content- rich or content- poor, the same can hold for blocks of parts of speech According to our first hypothesis, POS blocks ... hypothesis, POS blocks can be categorized as content- rich or content- poor, on the basis of the part of speech class membership of their individual componen...

Ngày tải lên: 08/03/2014, 02:21