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SIGMOD
2007
ACM
150views Database» more  SIGMOD 2007»
16 years 7 months ago
Exploiting self-monitoring sample views for cardinality estimation
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
Jingren Zhou, Per-Åke Larson, Peter Zabback,...
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SIGMOD
2007
ACM
125views Database» more  SIGMOD 2007»
16 years 7 months ago
Identifying meaningful return information for XML keyword search
Keyword search enables web users to easily access XML data without the need to learn a structured query language and to study possibly complex data schemas. Existing work has addr...
Ziyang Liu, Yi Chen
SIGMOD
2007
ACM
158views Database» more  SIGMOD 2007»
16 years 7 months ago
Log-based recovery for middleware servers
We have developed new methods for log-based recovery for middleware servers which involve thread pooling, private inmemory states for clients, shared in-memory state and message i...
Rui Wang 0002, Betty Salzberg, David B. Lomet
SIGMOD
2007
ACM
164views Database» more  SIGMOD 2007»
16 years 7 months ago
Fast data stream algorithms using associative memories
The primary goal of data stream research is to develop space and time efficient solutions for answering continuous online summarization queries. Research efforts over the last dec...
Nagender Bandi, Ahmed Metwally, Divyakant Agrawal,...
PODS
2007
ACM
104views Database» more  PODS 2007»
16 years 6 months ago
XML transformation by tree-walking transducers with invisible pebbles
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
Joost Engelfriet, Hendrik Jan Hoogeboom, Bart Samw...