5290 search results - page 686 / 1058 » Information systems as social structures |
185
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MM
2009
ACM
16 years 1 months ago
2009
ACM
In this technical demonstration we show a web video search engine based on ontologies, the Sirio1 system, that has been developed within the EU VidiVideo project. The goal of the ...
238
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SASO
2007
IEEE
16 years 1 months ago
2007
IEEE
A fundamental problem that confronts decentralized reputation systems is the design of efficient, secure and incentive-compatible mechanisms to gather trust information despite m...
199
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DIM
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we examine how conclusions about linkability threats can be drawn by analyzing message contents and subject knowledge in arbitrary communication systems. At first, ...
202
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CSSE
2008
IEEE
15 years 8 months ago
2008
IEEE
: The traditional transportation information inquiry mainly uses key words based on the text, and the service the inquiry system provided is onefold and only aims at one transporti...
179
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IADIS
2004
15 years 8 months ago
2004
Relevance feedback has been considered as a means of incorporating learning into information retrieval systems for quite sometime now. This paper discusses the research results of...