792 search results - page 37 / 159 » Computing Iceberg Queries Efficiently |
107
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SSDBM
2009
IEEE
15 years 4 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
159
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
ICDCS
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper considers a multi-query optimization issue for distributed similarity query processing, which attempts to exploit the dependencies in the derivation of a query evaluati...
ISPAN
2002
IEEE
15 years 2 months ago
2002
IEEE
Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
KDD
2004
ACM
15 years 10 months ago
2004
ACM
Recent years have witnessed a dramatic increase in the quantity of image data collected, due to advances in fields such as medical imaging, reconnaissance, surveillance, astronomy...