5115 search results - page 826 / 1023 » On Randomized Lanczos Algorithms |
202
click to vote
AI
1998
Springer
15 years 6 months ago
1998
Springer
In this paper, we address the tradeo between exploration and exploitation for agents which need to learn more about the structure of their environment in order to perform more e e...
190
click to vote
PVLDB
2008
15 years 5 months ago
2008
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
174
click to vote
ASPLOS
2010
ACM
15 years 5 months ago
2010
ACM
Semantic indexing is a popular technique used to access and organize large amounts of unstructured text data. We describe an optimized implementation of semantic indexing and docu...
150
click to vote
IJDAR
2010
15 years 4 months ago
2010
The set of references that typically appear toward the end of journal articles is sometimes, though not always, a field in bibliographic (citation) databases. But even if referenc...
204
click to vote
PVLDB
2010
15 years 4 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...