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169
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SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
188
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SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
187
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SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
186
Voted
SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
182
Voted
SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...