191 search results - page 34 / 39 » Online Aggregation over Trees |
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—In this paper, we study the problem of utility maximization in Peer-to-Peer (P2P) systems, in which aggregate utilities are maximized by running distributed algorithms on P2P no...
DOLAP
2000
ACM
14 years 1 days ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
FOCS
1995
IEEE
13 years 11 months ago
1995
IEEE
We consider the following maximum disjoint paths problem (mdpp). We are given a large network, and pairs of nodes that wish to communicate over paths through the network — the g...
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Search logs, which contain rich and up-to-date information about users' needs and preferences, have become a critical data source for search engines. Recently, more and more ...
IROS
2009
IEEE
14 years 2 months ago
2009
IEEE
— The ability of mobile robots to generate feasible trajectories online is an important requirement for their autonomous operation in unstructured environments. Many path generat...