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SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Most information extraction (IE) approaches have considered only static text corpora, over which we apply IE only once. Many real-world text corpora however are dynamic. They evol...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Motivated by the fact that XML is increasingly being used in distributed applications, we propose building a cooperative caching scheme for XML documents. Our scheme allows sharin...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
PODS
2002
ACM
14 years 9 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...