4114 search results - page 486 / 823 » Efficient Algorithms for the 2-Center Problems |
192
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SIGMOD
2010
ACM
15 years 1 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
198
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
159
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ESA
2010
Springer
15 years 7 months ago
2010
Springer
In a Content Distribution Network application, we have a set of servers and a set of clients to be connected to the servers. Often there are a few server types and a hard budget co...
283
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Location cloaking has been proposed and well studied to protect user privacy. It blurs the accurate user location (i.e., a point with coordinates) and replaces it with a well-shape...
172
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...