semantic web information retrieval in xml by mapping to rdf schema

Báo cáo khoa học: "The Role of Information Retrieval in Answering Complex Questions" ppt

Báo cáo khoa học: "The Role of Information Retrieval in Answering Complex Questions" ppt

... 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 ... to improve performance (Salton and Buckley, 1990). Fol- lowing settings in typical IR experiments, the top twenty terms (by tf.idf value) from the top twenty documents were added to the original ... Association for Computational Linguistics The Role of Information Retrieval in Answering Complex Questions Jimmy Lin College of Information Studies Department of Computer Science Institute for Advanced...

Ngày tải lên: 08/03/2014, 02:21

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Báo cáo khoa học: "Adaptation of Statistical Machine Translation Model for Cross-Lingual Information Retrieval in a Service Context" ppt

Báo cáo khoa học: "Adaptation of Statistical Machine Translation Model for Cross-Lingual Information Retrieval in a Service Context" ppt

... structures: called therein coupling features (proposed by (Nikoulina and Dymetman, 2008)); ã features relying on Part of Speech Tagging: called therein PoS mapping features. By integrating the syntax-based ... and trans- mitting the information contained in the source query) of an input query. On the other hand, we want to obtain good retrieval performance using 110 cremental deep parsing. Natural Language ... Qiang Yang. 2008. Web query translation via web log mining. In Proceedings of the 31st annual international ACM SIGIR confer- ence on Research and development in information retrieval, SIGIR ’08,...

Ngày tải lên: 24/03/2014, 03:20

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A WEB APPLICANTION FOR THE TOURISM INDUSTRY IN HANOI   by   Dinh Huu Son

A WEB APPLICANTION FOR THE TOURISM INDUSTRY IN HANOI by Dinh Huu Son

... by introducing new business models that take advantage of the interactive capabilities of the Internet (Shikhar Ghosh,1998) 2.1.5 Trading environment Business- to- business model: Business -to- business ... development of information infrastructure. Beginning with the early research in packet switching, the government, industry and academia have been partners in evolving and deploying this exciting new ... we move toward increasing use of online tools to accomplish electronic commerce, information acquisition, and community operations. Now, lets go back step by step to the history of internet. The...

Ngày tải lên: 07/04/2013, 23:51

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Tài liệu Báo cáo khoa học: "Detecting Semantic Equivalence and Information Disparity in Cross-lingual Documents" doc

Tài liệu Báo cáo khoa học: "Detecting Semantic Equivalence and Information Disparity in Cross-lingual Documents" doc

... Incor- porating Non-local Information into Information Ex- traction Systems by Gibbs Sampling. In Proceedings of the 43rd Annual Meeting on Association for Com- putational Linguistics (ACL 2005). P. Gamallo ... problem has to take into account, among the many sub-tasks, the identifica- tion of information in one page that is semantically equivalent, novel, or more informative with respect to the content ... rela- tions between monolingual pairs) transformed into their cross-lingual counterpart by translating the hy- potheses into other languages (Negri and Mehdad, 2010), and ii) machine translation (MT)...

Ngày tải lên: 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: "Summarization-based Query Expansion in Information Retrieval" doc

Tài liệu Báo cáo khoa học: "Summarization-based Query Expansion in Information Retrieval" doc

... it to derive summaries of thousands of doc- uments returned by an information retrieval system. It can work in two modes: generic and topical. In the generic mode, it captures the main topic ... Language Information Retrieval: TREC°5 Report." Proceedings of TREC-5 confer° ence. Strzalkowski, Tomek. 1995. "Natural Language Information Re- trieval" Information Processing ... misleading for search purposes. Where can we get the right queries? In today's information retrieval, query expansion usually is typically limited to adding, deleting or re-weighting of...

Ngày tải lên: 20/02/2014, 18:20

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Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx

Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx

... 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. In ... 1995. It includes totally 164,789 documents. The topic set contains 54 topics. In the relevance judgment file, a binary indication of relevant (1) or non-relevant (0) is given. <top> ... Cross-Language Information Retrieval. In Proc. of the 36th Hawaii International Confer- ence on System Sciences (HICSS-36), pages 108- 117. George Doddington. 2002. Automatic Evaluation of Machine Translation...

Ngày tải lên: 17/03/2014, 04:20

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Báo cáo khoa học: "Should we Translate the Documents or the Queries in Cross-language Information Retrieval?" ppt

Báo cáo khoa học: "Should we Translate the Documents or the Queries in Cross-language Information Retrieval?" ppt

... other languages. In fact machine translation tends to be a many -to- one mapping in the sense that finer shades of meaner are distinguishable in the original text than in the translated ... by training identical statistical translation models for both translation di- rections using the same training data. We in- vestigate information retrieval between En- glish and French, incorporating ... likely to be compensated for by the train- ing of the translation algorithm: since its training data was preprocessed identically, a translation engine trained to produce lan- guage in a particular...

Ngày tải lên: 17/03/2014, 07:20

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Báo cáo khoa học: "Resolving Translation Ambiguity and Target Polysemy in Cross-Language Information Retrieval" potx

Báo cáo khoa học: "Resolving Translation Ambiguity and Target Polysemy in Cross-Language Information Retrieval" potx

... evading U.S. income tax laws. Of particular interest are investigations involving revenue from illegal activities, as a strategy to bring known or suspected criminals to justice. </top> ... is, POS is used to select English word. In UTT (or ATT) model, we use mutual information to select top 10 accompanying terms of a Chinese query word, and POS is used to obtain the augmented ... queries into Chinese by human. The topic 332 is considered as an example in the following. The original English version and the human-translated Chinese version are shown. A TREC topic is...

Ngày tải lên: 17/03/2014, 07:20

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Báo cáo khoa học: "Noun-Phrase Analysis in Unrestricted Text for Information Retrieval" pptx

Báo cáo khoa học: "Noun-Phrase Analysis in Unrestricted Text for Information Retrieval" pptx

... improved by using extracted subcompounds for indexing. 2 Phrase-Based Indexing The selection of appropriate indexing terms is criti- cal to the improvement of both precision and recall in an ... techniques to create bet- ter indexing phrases for information re- trieval. In particular, we describe a hy- brid approach to the extraction of mean- ingful (continuous or discontinuous) sub- ... information retrieval system. The noun-phrase analysis techniques are also potentially useful for book indexing and automatic thesaurus extraction. 1 Introduction 1.1 Information Retrieval Information...

Ngày tải lên: 17/03/2014, 09:20

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Visual Event Recognition in Videos by Learning from Web Data ppt

Visual Event Recognition in Videos by Learning from Web Data ppt

... megabytes) on average. In this work, each type of features is vector-quantized into visual words by using k-means. Considering the quantization process for the SIFT and ST features from training ... classifier. In this work, we have demonstrated that it is beneficial to learn from webdata by developing more advancedmachine learning methods (specifically the cross-domain learning method A-MKL in this ... stage, we further integrate the informa- tion from different volumes by using integer-flow EMD to explicitly align the volumes. We try to solve a flow matrix b F rc containing binary elements which...

Ngày tải lên: 23/03/2014, 13:20

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www.it-ebooks.info .PHP & MySQL FOR ® Web Development ALL-IN-ONE DESK REFERENCE DUMmIES ‰ by Janet Valade with Tricia Ballad and Bill Ballad www.it-ebooks.info .www.it-ebooks.info .PHP & MySQL FOR ® Web Development ALL-IN-ONE DESK REFERENCE DU ppt

www.it-ebooks.info .PHP & MySQL FOR ® Web Development ALL-IN-ONE DESK REFERENCE DUMmIES ‰ by Janet Valade with Tricia Ballad and Bill Ballad www.it-ebooks.info .www.it-ebooks.info .PHP & MySQL FOR ® Web Development ALL-IN-ONE DESK REFERENCE DU ppt

... connect to . . 65 MySQL error log 66 Installing MySQL GUI Administration Programs 66 Installing phpMyAdmin 67 Obtaining phpMyAdmin 67 Installing phpMyAdmin 67 Testing phpMyAdmin 69 Troubleshooting ... 511 Echoing links 512 Using forms 512 Relocating users with an HTTP header 513 Passing Information from One Page to the Next 515 Passing information in a form 516 Adding information to the URL ... Available to All Pages in the Web Site 522 Storing information in cookies 522 Saving and retrieving information in cookies 523 Setting the expiration time on cookies 523 A login application that stores...

Ngày tải lên: 29/03/2014, 22:20

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Báo cáo khoa học: "Homonymy and Polysemy in Information Retrieval" ppt

Báo cáo khoa học: "Homonymy and Polysemy in Information Retrieval" ppt

... distinctions, and the type of distinctions required in information retrieval is an open question. Finally, there are questions about how word senses should be used in a retrieval system. In ... research on distin- guishing word meanings in the context of information retrieval systems. We conduc- ted experiments with three sources of evid- ence for making these distinctions: mor- ... unable to determine whether the results of the experiment were due to the incor- rectness of the hypothesis being tested (that distinc- tions in part of speech can lead to an improvement in performance),...

Ngày tải lên: 31/03/2014, 21:20

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semantic web for the working ontologist effective modeling in rdfs and owl

semantic web for the working ontologist effective modeling in rdfs and owl

... Shakespeare or linking it to the thing that is Stratford. In the Semantic Web we refer to the things in the world as resources; a resource can be anything that someone might want to talk about. ... 1 Chapter 2 Semantic modeling 13 Chapter 3 RDF The basis of the Semantic Web 27 Chapter 4 Semantic Web application architecture 51 Chapter 5 Querying the Semantic Web SPARQL 61 Chapter 6 RDF and inferencing ... from lying?), in practice there isn’t any way to tell them apart. The infrastructure of the Web has to be able to cope with the fact that information on the Web will disagree from time to time and...

Ngày tải lên: 31/05/2014, 01:56

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semantic web and peer-to-peer decentralized management and exchange of knowledge and information

semantic web and peer-to-peer decentralized management and exchange of knowledge and information

... of mapping creation is discovered by the use of mappings in a self-organizing manner. 3.4 Building and Maintaining Semantic P2P Applications Intelligent systems that are built on Semantic Web ... difficulty in creating on- tology mappings. First, they include instance information as well as ontology relations into their account. Secondly, they consider the situation that two peers try to come to ... Xarop in Chap. 17) as well as for information sharing in a global community (cf. Bibster in Chap. 18). The Future of Semantic Web and Peer -to- Peer We see a far-ranging future for Semantic Web and...

Ngày tải lên: 03/06/2014, 02:00

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