405 search results - page 18 / 81 » Semantic Assumptions and Query Evaluation in Temporal Databa... |
BTW
2007
Springer
15 years 3 months ago
2007
Springer
: The availability of versioned text collections such as the Internet Archive opens up opportunities for time-aware exploration of their contents. In this paper, we propose time-tr...
175
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
131
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SIGMOD
2005
ACM
15 years 5 months ago
2005
ACM
In this paper, we propose new graph-based data structure and indexing to organize and retrieve video data. Several researches have shown that a graph can be a better candidate for...
124
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JIDM
2010
14 years 10 months ago
2010
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
218
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ICDE
1997
IEEE
16 years 1 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...