information retrieval in the web beyond current search engines
Tài liệu Báo cáo khoa học: "The Impact of Query Refinement in the Web People Search Task" docx
... only according to their cv, but also ac-cording to their web profile, i.e. information aboutthem available in the Web. One question that naturally arises is whether search results clustering can ... becoming anincreasingly popular research topic among Infor-mation Retrieval and Natural Language Process-ing researchers.For precision oriented queries (for instance,finding the homepage, the ... the same person. For instance, the ”James Patterson“ web results were gruped in fourclusters according to the four individuals men-tioned with that name in the documents. In caseswhere a web...
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Báo cáo khoa học: "The Role of Information Retrieval in Answering Complex Questions" ppt
... funded by AQUAINT. In 2006,there will be a dedicated task within the TRECQA track exploring complex questions within aninteractive setting. Furthermore, we note the con-vergence of the QA and ... in the case of Indri. These results are consistent with the findings of Monz (2003), who made the sameobservation in the factoid QA task.There are a few caveats to consider when in- terpreting ... document retrieval and ques-tion answering. The decreases in performance at-527 Qid 25: The analyst is interested in the status of Fidel Castro’s brother. Specifically, the analyst would likeinformation...
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Tài liệu Research " The Dissertation Committee for Fang Yin Certifies that this is the approved version of the following dissertation: Business Value of Information Technology in the Internet Economy " doc
... insights regarding productive and unproductive activities in an online world? In the late nineties, online traffic and the total amount of business conducted through the Internet were growing rapidly ... and the type of electronic 16labor, and where t is the number of years in business. t is included in the model to control for the maturity of a company. Companies operating in the Internet ... and 0 for physical dot coms. Further, the α’s and the corresponding levels of inputs in the last four formulations involving the dummy variable apply only to the physical dot coms. 1.5 DATA...
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Báo cáo khoa học: "Question Answering System in the Web using the Web" doc
... have the same syntax as the one commonly used in search engines, quoted text meaning a phrase pattern. Then, these patterns are searched in the Web (using Google at the moment) and the system ... amount of in- formation existent in the World Wide Web. Since Portuguese is one of the most used languages in the web and the web itself is a constantly growing source of updated information, ... existent in the web to find its answers. In addi-tion it has an interface on the web where every-one can pose questions to the system (http://www.linguateca.pt/Esfinge/).Esfinge is based on the...
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Knowledge and Skill Chains in Engineering and Manufacturing: Information Infrastructure in the Era of Global Communications docx
... technologies. Therefore, because of these changes, the importanceof information infrastructure for manufacturing has increased, stunningly. Information infrastructure plays a key role in integrating diverse ... knowledge and skill chains, as seen from the viewpoints of manyexpert researchers in engineering, manufacturing and information technology. Traditionally, in industry, the integration of such componentsand ... The theme expresses both the wide scope and the technical depth that we are faced with in designing the information infrastructure for manufacturing. Yet, the globality andconnectedness of the...
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Báo cáo khoa học: "Learning Information Structure in The Prague Treebank" docx
... Theory In the Praguian approach to IS, the content of the sentence is divided in two parts: the Topic is “what the sentence is about” and the Focus represents the information asserted about the ... 2 in the second column. C4.5 and Bagging achieve the bestperformance improving on the results of the rule-based system by 6.99%. The top of the decision tree generated by C4.5 in the training ... topic/focus1distinction that divides the linguis-tic meaning of the sentence into parts that link the content to the context, and others that advance the discourse, i.e. add or modify information; ...
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Báo cáo khoa học: "Search in the Lost Sense of “Query”: Question Formulation in Web Search Queries and its Temporal Change" pptx
... cause, given that there is anincreased use of Q-queries in spite of the seem-ingly inferior search results, there is a strong needfor the search engines to improve their handling ofquestion-queries.AcknowledgmentsWe ... by, web users are more likely to use questions to ex-press their search intent.1 IntroductionA web search query is the text users enter into the search box of a search engine to describe their ... changes in the kind of information usersare now seeking from the Web, e.g., as a result ofgrowing popularity of Q&A sites or as people en-trust search engines with more complex information needs;...
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Báo cáo khoa học: "The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval" pptx
... CLEF-2001: Comparing Translation Resources. In Proc. of the CLEF-2001 Workshop, pages 78-93. Kui-Lam Kwok. 1997. Comparing Representation in Chinese Information Retrieval. In Proc. of the 20th Annual ... Zhang, and Ming Zhou. 2000. On the Use of Words and N-grams for Chinese Information Retrieval. In Proc. of the Fifth International Workshop on Information Retrieval with Asian Languages (IRAL-2000), ... term. When the term is a word or a phrase that exists in the dic-tionary, the MT system looks up the dictionary and takes the first translation in the entry as the translation of the term without...
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Báo cáo khoa học: "Should we Translate the Documents or the Queries in Cross-language Information Retrieval?" ppt
... distinguishable in the original text than in the translated text. This effect is readily observed, for example, by machine translating the translated text back into the original language. These ... engines to produce fewer distinct words than were contained in the original document (the output vocabulary is smaller than the in- put vocabulary) also indicates that machine translation ... only if each word in one language is translated into a unique word in the other languages. In fact machine translation tends to be a many-to- one mapping in the sense that finer shades of...
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Expert Service Oriented Architecture in C Sharp Using the Web Services Enhancements
... contain reference information and conceptual discussions thatare essential to understanding the material in the second half of the book. The remaining chapters of the book cover all of the WS-Specifications ... contract. This documents the operations (methods) that the service supports, including data type infor-mation, and binding information for locating and communicating with the Web service operations.ã ... orders.3901c01_final.qxd 6/30/04 2:52 PM Page 1 Introducing Service-Oriented Architecture7Services provide flexible binding: Services fully describe themselves using the WSDL contract. This information includes...
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Intelligent Software Agents on the Internet: an inventory of currently offered functionality in the information society & a prediction of (near-)future developments
... for the dynamic nature of the Internet and the information that can be found on it;3. The search for information is often limited to a few Internet services, such as the WWW. Finding information ... found has increased, but so has the size of the haystack they are hidden in. The inquirers for information are being confronted with an information overkill. The current, conventional search ... which information is, and which is not stored in these databases. Combining the stored data to extract valuable information from it (for instance, by discovering interesting patterns in it)...
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