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» Managing Complexity in a Distributed Digital Library
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KDD
2007
ACM
182views Data Mining» more  KDD 2007»
16 years 15 hour ago
A fast algorithm for finding frequent episodes in event streams
Frequent episode discovery is a popular framework for mining data available as a long sequence of events. An episode is essentially a short ordered sequence of event types and the...
Srivatsan Laxman, P. S. Sastry, K. P. Unnikrishnan
EUROSYS
2010
ACM
15 years 8 months ago
Splitter: A Proxy-based Approach for Post-Migration Testing of Web Applications
The benefits of virtualized IT environments, such as compute clouds, have drawn interested enterprises to migrate their applications onto new platforms to gain the advantages of ...
Xiaoning Ding, Hai Huang, Yaoping Ruan, Anees Shai...
GIS
2009
ACM
15 years 4 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
14 years 11 months ago
Near-optimal algorithms for shared filter evaluation in data stream systems
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
SIGIR
2010
ACM
15 years 3 months ago
Estimating advertisability of tail queries for sponsored search
Sponsored search is one of the major sources of revenue for search engines on the World Wide Web. It has been observed that while showing ads for every query maximizes shortterm r...
Sandeep Pandey, Kunal Punera, Marcus Fontoura, Van...