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» Processing Queries over Distributed XML Databases
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SIGIR
2011
ACM
12 years 11 months ago
Faster top-k document retrieval using block-max indexes
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
Shuai Ding, Torsten Suel
GIS
2010
ACM
13 years 7 months ago
Exploiting local node cache in top-k queries within wireless sensor networks
Top-k queries are a popular type of query in Wireless Sensor Networks. Typical solutions rely on coordinated root-tonodes and nodes-to-root messages and on maintaining filters at...
Johannes Niedermayer, Mario A. Nascimento, Matthia...
JUCS
2010
109views more  JUCS 2010»
13 years 3 months ago
Semantics of Query-Driven Communication of Exact Values
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
Michal Konecný, Amin Farjudian
TREC
1996
13 years 10 months ago
ANU/ACSys TREC-5 Experiments
A number of experiments conducted within the framework of the TREC-5 conference and using the Parallel Document Retrieval Engine (PADRE) are reported. Several of the experiments i...
David Hawking, Paul B. Thistlewaite, Peter Bailey
VLDB
2007
ACM
103views Database» more  VLDB 2007»
14 years 9 months ago
On the Production of Anorexic Plan Diagrams
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
Harish D., Pooja N. Darera, Jayant R. Haritsa