7607 search results - page 231 / 1522 » Querying data provenance |
153
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Abstract-- In this paper, we present TransDec, an end-toend data-driven system which enables spatiotemporal queries in transportation systems with dynamic, real-time and historical...
165
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ICDCS
2008
IEEE
16 years 1 months ago
2008
IEEE
We present a simple, yet powerful, approach for the specification and enforcement of authorizations regulating data release among data holders collaborating in a distributed comp...
197
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
We address a specific enterprise document search scenario, where the information need is expressed in an elaborate manner. In our scenario, information needs are expressed using a...
191
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TDM
2004
15 years 8 months ago
2004
To be able to handle the ever growing volumes of XML documents, effective and efficient data management solutions are needed. Managing XML data in a relational DBMS has great pote...
259
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Queries with (equality or LIKE) selection predicates over string attributes are widely used in relational databases. However, state-of-the-art techniques for estimating selectivit...