Search Engines Information Retrieval in Practice

... 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

... evaluation of machine translation Pavel Pecina, Antonio Toral, Andy Way, Vassilis Papavassiliou, Prokopis Prokopidis, and Maria Giagkou 2011 Towards using web-crawled data for domain adaptation in statistical ... Online large-margin training for statistical machine translation In Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Proces...

Ngày tải lên: 24/03/2014, 03:20

... Opportunistic carrier sensing for n∗ = Figure 4: Opportunistic carrier sensing sensing period, sensors transmit, with backoff delay determined by f (γ), a beacon signal with short duration A sensor ... 300 350 400 450 500 r Opportunistic carrier sensing with/without delay Opportunistic carrier sensing with delay n-TDMA Figure 7: Performance of opportunistic carri...

Ngày tải lên: 23/06/2014, 00:20

... dùng việc duyệt tập hợp tài liệu việc tổ chức kết trả Search engine Metasearch engine trả lời câu hỏi người sử dụng Phân cụm tài liệu thông tin thu hồi thường giải giải thuật phân cụm có thứ bậc ... cụ giúp đỡ cải thiện kết tìm kiếm thông tin Web Một câu hỏi đặc phương thức chạy trực tuyến Search engine chuẩn thực truy vấn người sử dụng Chúng ta tin tưởng điểu chỉnh thích hợp thông số ứ...

Ngày tải lên: 26/04/2013, 10:08

... 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

... Exploring the Use of Machine Translation Resources for EnglishJapanese Cross-Language Infromation Retrieval In Proc of MT Summit VII Workshop on Machine Translation for Cross Language Information ... 4.10% 14.11% Table Fall on Translation Quality & Retrieval Effectiveness Conclusion and Future Work In this paper, we investigated the effect of translation quality i...

Ngày tải lên: 17/03/2014, 04:20

... to the documents Note the types of preprocessing in use by many monolingual IR engines: stemming (or morphological analysis) of documents and queries reduces the number of distinct words in the ... translation, in spite of identical procedures used in constructing both However a hybrid system incorporating both directions of translation outperforms either Furthermore, b...

Ngày tải lên: 17/03/2014, 07:20

... gains 62.92% of monolingual information retrieval, and 40.80% increase to the do-nothing model (selectall) 221 Concluding R e m a r k s This paper deals with translation ambiguity and target polysemy ... Proceedings of 21"' ACM SIGIR, 64-71 Bian, G.W and Chen, H.H (1998) "Integrating Query Translation and Document Translation in a CrossLanguage Information Retrieval...

Ngày tải lên: 17/03/2014, 07:20

... using extracted subcompounds for indexing Phrase-Based Indexing The selection of appropriate indexing terms is critical to the improvement of both precision and recall in an IR task The ideal indexing ... potentially valuable in indexing In practice, of course, the indexing term space has to be limited, so it is necessary to select a subset of phrases for indexing Short phrases (oft...

Ngày tải lên: 17/03/2014, 09:20

... consider the grouping of police and policy We examined all words in the dictionary in which a word ended in 'y', and in which the 'y' could be replaced by 'e' and still yield a word in the dictionary ... the American Society of Information Science, Vol 34(2), 1983 Sanderson M, "Word Sense Disambiguation and Information Retrieval", in Proceedings of the Seventeenth A n...

Ngày tải lên: 31/03/2014, 21:20

... throughput The effect of MAC for information retrieval on information processing is analyzed in [7, 8] for in nite and finite sensor density networks, respectively, where the performance of the centralized ... bandwidth required for sensors reporting their locations is prohibitively Here, m − points are sought instead of m points in the linear field case MAC for Optima...

Ngày tải lên: 23/06/2014, 00:20

... Environments, and Tools Michael W Berry and Murray Browne, Understanding Search Engines: Mathematical Modeling and Text Retrieval, Second Edition Craig C Douglas, Gundolf Haase, and Ulrich Langer, ... Hammarling, A McKenney, and D Sorensen, LAPACK Users' Guide, Third Edition Michael W Berry and Murray Browne, Understanding Search Engines: Mathematical Modeling...

Ngày tải lên: 06/07/2014, 15:37

... 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

... revealed in multimedia information retrieval in general, similarity measures also play a key role in music Chapter Introduction information retrieval (MIR) [50] which is a sub-area of multimedia information ... information retrieval specialized in dealing with music documents and their related information 1.1.1 Multimodal Fusion based Similarity Measur...

Ngày tải lên: 11/09/2015, 09:15