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PODS
2004
ACM
133views Database» more  PODS 2004»
16 years 3 months ago
Comparing and Aggregating Rankings with Ties
Ronald Fagin, Ravi Kumar, Mohammad Mahdian, D. Siv...
PODS
2005
ACM
211views Database» more  PODS 2005»
16 years 3 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
PODS
2007
ACM
112views Database» more  PODS 2007»
16 years 3 months ago
Estimating statistical aggregates on probabilistic data streams
T. S. Jayram, Andrew McGregor, S. Muthukrishnan, E...
ICWS
2009
IEEE
16 years 9 days ago
Selective Querying for Adapting Hierarchical Web Service Compositions Using Aggregate Volatility
Environments in which Web service compositions (WSC) operate are often dynamic. We address the problem of which service to query for up-to-date information in order to adapt a hie...
John Harney, Prashant Doshi