1298 search results - page 255 / 260 » The online set cover problem |
UM
2009
Springer
14 years 1 months ago
2009
Springer
Abstract. Words mean different things to different people, and capturing these differences is often a subtle art. These differences are often “a matter of perspective,” and...
SYSTOR
2009
ACM
14 years 1 months ago
2009
ACM
A typical storage hierarchy comprises of components with varying performance and cost characteristics, providing multiple options for data placement. We propose and evaluate a hie...
DEXAW
2008
IEEE
14 years 1 months ago
2008
IEEE
— One of the critical issues in search engines is the size of search indexes: as the number of documents handled by an engine increases, the search must preserve its efficiency,...
ECTEL
2007
Springer
14 years 1 months ago
2007
Springer
Blogs have the aordance to become an integral part of teaching and learning processes as a vehicle for knowledge management. Open, exible systems integrating blogs provide user-f...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
In today’s data-rich networked world, people express many aspects of their lives online. It is common to segregate different aspects in different places: you might write opinion...