796 search results - page 73 / 160 » Approximating the centroid is hard |
SODA
2010
ACM
13 years 5 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
PODS
2011
ACM
12 years 10 months ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
SIGMOD
2008
ACM
13 years 7 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
SIAMCOMP
2010
13 years 6 months ago
2010
We reexamine what it means to compute Nash equilibria and, more generally, what it means to compute a fixed point of a given Brouwer function, and we investigate the complexity o...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
Internet advertising is a sophisticated game in which the many advertisers "play" to optimize their return on investment. There are many "targets" for the adve...