651 search results - page 119 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
1997
ACM
13 years 12 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
PVLDB
2010
13 years 6 months ago
2010
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
FOCS
1999
IEEE
14 years 1 days ago
1999
IEEE
This paper connects two fundamental ideas from theoretical computer science: hard-core set construction, a type of hardness amplification from computational complexity, and boosti...
CLADE
2004
IEEE
13 years 11 months ago
2004
IEEE
This paper presents the design, development and evaluation of a prototype peer-to-peer collaboratory for imaging, analyzing, and seamlessly sharing tissue microarrays (TMA), corre...
MST
2006
13 years 7 months ago
2006
Load balancing is a critical issue for the efficient operation of peerto-peer networks. We give two new load-balancing protocols whose provable performance guarantees are within a...