405 search results - page 41 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
127
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PODS
1995
ACM
15 years 3 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
SIGMOD
2010
ACM
15 years 4 months ago
2010
ACM
Our world today is generating huge amounts of graph data such as social networks, biological networks, and the semantic web. Many of these real-world graphs are edge-labeled graph...
RTSS
1993
IEEE
15 years 3 months ago
1993
IEEE
This paper presents a technique that is capable of supporting two major requirements for concurrency control in real-time databases: data temporal consistency, and data logical co...
DAMON
2009
Springer
15 years 6 months ago
2009
Springer
Database processes must be cache-efficient to effectively utilize modern hardware. In this paper, we analyze the importance of temporal locality and the resultant cache behavior ...
120
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DEXAW
2007
IEEE
15 years 3 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...