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» Efficient processing of XPath queries using indexes
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SIGIR
2011
ACM
12 years 10 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
ADBIS
2004
Springer
133views Database» more  ADBIS 2004»
14 years 1 months ago
Evaluation of the Mine-Merge Method for Data Mining Query Processing
In this paper we consider concurrent execution of multiple data mining queries in the context of discovery of frequent itemsets. If such data mining queries operate on similar part...
Marek Wojciechowski, Maciej Zakrzewicz
PODS
1999
ACM
133views Database» more  PODS 1999»
13 years 12 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
SSDBM
2009
IEEE
174views Database» more  SSDBM 2009»
14 years 2 months ago
Optimization and Execution of Complex Scientific Queries over Uncorrelated Experimental Data
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
Ruslan Fomkin, Tore Risch
DEXAW
2005
IEEE
155views Database» more  DEXAW 2005»
14 years 1 months ago
MediaPeer: A Safe, Scalable P2P Architecture for XML Query Processing
Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of...
Florin Dragan, Georges Gardarin, Laurent Yeh