5221 search results - page 759 / 1045 » An On-line Problem Database |
156
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JOC
2007
15 years 6 months ago
2007
A Private Information Retrieval (PIR) protocol allows a user to retrieve a data item of its choice from a database, such that the servers storing the database do not gain informat...
174
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WWW
2008
ACM
15 years 6 months ago
2008
ACM
A geographic search request contains a query consisting of one or more keywords, and a search-location that the user searches for. In this paper, we study the problem of discoveri...
191
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COMPUTER
2002
15 years 6 months ago
2002
rs use models or abstractions that hide low-level implementation details. Various kinds of representations such as data models, state-transition models, and dataflow models can hel...
157
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SOFTWARE
2002
15 years 6 months ago
2002
is the level of abstraction: a logical model ignores the constraints that the underlying database technology imposes and presents a simplified view. Sometimes physical database des...
190
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PAMI
2007
15 years 6 months ago
2007
—Biometrics-based authentication systems offer obvious usability advantages over traditional password and token-based authentication schemes. However, biometrics raises several p...