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106
Voted
VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 7 months ago
Semantic Query Optimization for XQuery over XML Streams
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
Hong Su, Elke A. Rundensteiner, Murali Mani
SIGMOD
2007
ACM
186views Database» more  SIGMOD 2007»
16 years 2 months ago
Fg-index: towards verification-free query processing on graph databases
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
James Cheng, Yiping Ke, Wilfred Ng, An Lu
201
Voted
ICDE
2008
IEEE
116views Database» more  ICDE 2008»
16 years 3 months ago
Network-Aware Join Processing in Global-Scale Database Federations
Abstract-- We introduce join scheduling algorithms that employ a balanced network utilization metric to optimize the use of all network paths in a global-scale database federation....
Xiaodan Wang, Randal C. Burns, Andreas Terzis, Amo...
SSDBM
2010
IEEE
105views Database» more  SSDBM 2010»
15 years 7 months ago
Organization of Data in Non-convex Spatial Domains
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
Eric A. Perlman, Randal C. Burns, Michael M. Kazhd...
134
Voted
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
15 years 7 months ago
Derby/S: a DBMS for sample-based query answering
Although approximate query processing is a prominent way to cope with the requirements of data analysis applications, current database systems do not provide integrated and compre...
Anja Klein, Rainer Gemulla, Philipp Rösch, Wo...