6746 search results - page 399 / 1350 » Multimodal Database Query |
136
Voted
VLDB
1994
ACM
15 years 9 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
163
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WEBDB
2009
Springer
15 years 11 months ago
2009
Springer
Various approaches have been recently proposed for storing the evolution of an XML document, thereby preserving useful past information about the document and thus the ability to ...
139
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SEMWEB
2005
Springer
15 years 10 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
162
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ER
2005
Springer
15 years 10 months ago
2005
Springer
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
122
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ER
2004
Springer
15 years 10 months ago
2004
Springer
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...