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» Efficient Evaluation of All-Nearest-Neighbor Queries
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VLDB
2002
ACM
126views Database» more  VLDB 2002»
13 years 7 months ago
Plan Selection Based on Query Clustering
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
Antara Ghosh, Jignashu Parikh, Vibhuti S. Sengar, ...
IJWIS
2008
110views more  IJWIS 2008»
13 years 7 months ago
Determined: a system with novel techniques for XML query optimization and evaluation
: Purpose -- Efficient processing of XML queries is critical for XML data management and related applications. Previously proposed techniques are unsatisfactory. This article prese...
Dunren Che, Wen-Chi Hou
WWW
2008
ACM
14 years 8 months ago
Efficient evaluation of generalized path pattern queries on XML data
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path-patt...
Xiaoying Wu, Stefanos Souldatos, Dimitri Theodorat...
ICDE
2002
IEEE
104views Database» more  ICDE 2002»
14 years 8 months ago
Efficient Evaluation of Queries with Mining Predicates
Modern relational database systems are beginning to support ad hoc queries on mining models. In this paper, we explore novel techniques for optimizing queries that apply mining mo...
Surajit Chaudhuri, Vivek R. Narasayya, Sunita Sara...
SIGMOD
2010
ACM
149views Database» more  SIGMOD 2010»
13 years 2 months ago
On models and query languages for probabilistic processes
Probabilistic processes appear naturally in various contexts, with applications to Business Processes, XML data management and more. Many models for specifying and querying such p...
Daniel Deutch, Tova Milo