799 search results - page 132 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
142
click to vote
CIKM
2005
Springer
15 years 10 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...
150
click to vote
BTW
2007
Springer
15 years 8 months ago
2007
Springer
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
183
click to vote
MIR
2006
ACM
15 years 10 months ago
2006
ACM
We describe a framework for automatically selecting a summary set of photos from a large collection of geo-referenced photographs. Such large collections are inherently difficult ...
157
click to vote
VLDB
2004
ACM
15 years 9 months ago
2004
ACM
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
161
click to vote
CIKM
2010
Springer
15 years 3 months ago
2010
Springer
Computing shortest paths between two given nodes is a fundamental operation over graphs, but known to be nontrivial over large disk-resident instances of graph data. While a numbe...