780 search results - page 81 / 156 » Cost-Sharing Approximations for h |
JCDL
2005
ACM
15 years 4 months ago
2005
ACM
In this paper, we discuss the findings of an in-depth observational study of reading and within-document navigation and add to these findings the results of a second analysis of h...
SIROCCO
2010
15 years 22 days ago
2010
Abstract. This paper concerns graph spanners that approximate multipaths between pair of vertices of an undirected graphs with n vertices. Classically, a spanner H of stretch s for...
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GIS
2006
ACM
16 years 9 days ago
2006
ACM
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
WWW
2009
ACM
15 years 12 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
KDD
2009
ACM
15 years 11 months ago
2009
ACM
Topic models provide a powerful tool for analyzing large text collections by representing high dimensional data in a low dimensional subspace. Fitting a topic model given a set of...