405 search results - page 42 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
ERSHOV
2006
Springer
15 years 5 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
123
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SIGMOD
2009
ACM
15 years 6 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
125
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
TASLP
2008
15 years 1 months ago
2008
Given a large audio database of music recordings, the goal of classical audio identification is to identify a particular audio recording by means of a short audio fragment. Even th...
116
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SAC
2006
ACM
15 years 8 months ago
2006
ACM
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...