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155
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SIGMOD
2009
ACM
15 years 10 months 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...
158
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
There is currently considerable enthusiasm around the MapReduce (MR) paradigm for large-scale data analysis [17]. Although the basic control flow of this framework has existed in ...
172
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
As business intelligence becomes increasingly essential for organizations and as it evolves from strategic to operational, the complexity of Extract-Transform-Load (ETL) processes...
178
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
171
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...