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171
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
169
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...
SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
PODS
2002
ACM
15 years 12 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
PODS
2007
ACM
15 years 12 months ago
2007
ACM
The contingency table is a work horse of official statistics, the format of reported data for the US Census, Bureau of Labor Statistics, and the Internal Revenue Service. In many ...