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129
Voted
SIGOPS
2010
15 years 28 days ago
2010
Despite advances in the application of automated statistical and machine learning techniques to system log and trace data there will always be a need for human analysis of machine...
128
Voted
CCS
2007
ACM
15 years 8 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
102
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PODS
2010
ACM
15 years 7 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
131
Voted
SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
The context of a search query often provides a search engine meaningful hints for answering the current query better. Previous studies on context-aware search were either focused ...
131
Voted
KDD
2009
ACM
16 years 3 months ago
2009
ACM
Recently many data types arising from data mining and Web search applications can be modeled as bipartite graphs. Examples include queries and URLs in query logs, and authors and ...