55 search results - page 7 / 11 » Evaluating rank joins with optimal cost |
COOPIS
2002
IEEE
14 years 3 months ago
2002
IEEE
: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making ...
INFOCOM
2010
IEEE
13 years 9 months ago
2010
IEEE
— In opportunistic networks, end-to-end paths between two communicating nodes are rarely available. In such situations, the nodes might still copy and forward messages to nodes t...
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
SIGIR
2012
ACM
12 years 1 months ago
2012
ACM
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
ICML
2004
IEEE
14 years 11 months ago
2004
IEEE
The problem of computing low rank approximations of matrices is considered. The novel aspect of our approach is that the low rank approximations are on a collection of matrices. W...