372 search results - page 42 / 75 » TDB: A Database System for Digital Rights Management |
200
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GIS
2003
ACM
16 years 2 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
196
Voted
SIGMOD
2008
ACM
16 years 2 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
114
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PODS
2006
ACM
16 years 1 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
130
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CLEF
2007
Springer
15 years 8 months ago
2007
Springer
This paper accounts for Priberam's participation in the monolingual question answering (QA) track of CLEF 2007. In previous participations, Priberam’s QA system obtained en...
115
Voted
IPM
2006
15 years 1 months ago
2006
Both structured and unstructured data, as well as structured data representing several different types of tuples, may be integrated into a single list for browsing or retrieval. D...