3891 search results - page 472 / 779 » Query Models |
119
Voted
SIGMOD
1994
ACM
15 years 8 months ago
1994
ACM
We describe an algorithm for estimating the number of page fetches for a partial or complete scan of a B-tree index. The algorithm obtains estimates for the number of page fetches ...
144
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IUI
2006
ACM
15 years 10 months ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
134
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JAIR
2008
15 years 3 months ago
2008
Inspired by AND/OR search spaces for graphical models recently introduced, we propose to augment Multi-Valued Decision Diagrams (MDD) with AND nodes, in order to capture function ...
114
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VLDB
2000
ACM
15 years 7 months ago
2000
ACM
In this paper we present a tool for enhanced exploration of OLAP data that is adaptive to a user's prior knowledge of the data. The tool continuously keeps track of the parts...
135
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ISW
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. We study the provable security of identity-based (ID-based) key agreement protocols. Although several published protocols have been proven secure in the random oracle mod...