4051 search results - page 140 / 811 » Aggregation |
132
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WWW
2004
ACM
16 years 3 months ago
2004
ACM
We present an algorithm for updating the PageRank vector [1]. Due to the scale of the web, Google only updates its famous PageRank vector on a monthly basis. However, the Web chan...
238
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SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
147
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SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
150
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PODS
2008
ACM
16 years 3 months ago
2008
ACM
Processing large data streams is now a major topic in data management. The data involved can be truly massive, and the required analyses complex. In a stream of sequential events ...
106
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WSDM
2009
ACM
15 years 9 months ago
2009
ACM
There has been considerable past work on efficiently computing top k objects by aggregating information from multiple ranked lists of these objects. An important instance of this...