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» GUC-Secure Join Operator in Distributed Relational Database
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DEBU
2008
118views more  DEBU 2008»
13 years 8 months ago
Big, Fast XQuery: Enabling Content Applications
Increasingly, companies recognize that most of their important information does not exist in relational stores but in documents. For a long time, textual information has been rela...
Mary Holstege
EDBT
2004
ACM
174views Database» more  EDBT 2004»
14 years 8 months ago
Processing Data-Stream Join Aggregates Using Skimmed Sketches
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
SIGMOD
2005
ACM
77views Database» more  SIGMOD 2005»
14 years 8 months ago
On Joining and Caching Stochastic Streams
We consider the problem of joining data streams using limited cache memory, with the goal of producing as many result tuples as possible from the cache. Many cache replacement heu...
Jun Yang 0001, Junyi Xie, Yuguo Chen
VLDB
1997
ACM
97views Database» more  VLDB 1997»
14 years 23 days ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
SIGMOD
2010
ACM
174views Database» more  SIGMOD 2010»
14 years 1 months ago
Sampling dirty data for matching attributes
We investigate the problem of creating and analyzing samples of relational databases to find relationships between string-valued attributes. Our focus is on identifying attribute...
Henning Köhler, Xiaofang Zhou, Shazia Wasim S...