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» Parallelizing query optimization
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WWW
2007
ACM
14 years 11 months ago
Answering bounded continuous search queries in the world wide web
Search queries applied to extract relevant information from the World Wide Web over a period of time may be denoted as continuous search queries. The improvement of continuous sea...
Dirk Kukulenz, Alexandros Ntoulas
CIKM
2009
Springer
14 years 5 months ago
Workload-aware trie indices for XML
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...
Yuqing Wu, Sofia Brenes, Hyungdae Yi
DPD
2002
168views more  DPD 2002»
13 years 10 months ago
Evolutionary Algorithms for Allocating Data in Distributed Database Systems
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
Ishfaq Ahmad, Kamalakar Karlapalem, Yu-Kwong Kwok,...
ICDE
2007
IEEE
110views Database» more  ICDE 2007»
15 years 3 days ago
Semantic Prefetching of Correlated Query Sequences
We present a system that optimizes sequences of related client requests by combining small requests into larger ones, thus reducing per-request overhead. The system predicts upcom...
Ivan T. Bowman, Kenneth Salem
ICDCS
2005
IEEE
14 years 4 months ago
Similarity Searching in Peer-to-Peer Databases
We consider the problem of handling similarity queries in peer-to-peer databases. Given a query for a data object, we propose an indexing and searching mechanism which returns the...
Indrajit Bhattacharya, Srinivas R. Kashyap, Sriniv...