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ACL
2008
15 years 8 months ago
Mixture Model POMDPs for Efficient Handling of Uncertainty in Dialogue Management
In spoken dialogue systems, Partially Observable Markov Decision Processes (POMDPs) provide a formal framework for making dialogue management decisions under uncertainty, but effi...
James Henderson, Oliver Lemon
VLDB
1990
ACM
166views Database» more  VLDB 1990»
15 years 11 months ago
The Tree Quorum Protocol: An Efficient Approach for Managing Replicated Data
In this paper, we present an efficient algorithm for managing replicated data. We impose a logical tree structure on the set of copies of an object. In a failurefree environment t...
Divyakant Agrawal, Amr El Abbadi
AINA
2005
IEEE
16 years 15 days ago
An Efficient Hierarchical Key Management Scheme Using Symmetric Encryptions
The concept of hierarchical access control is that a higher privileged user (or higher level) has the ability to access data in lower privileged user (or lower level). Hierarchica...
Chu-Hsing Lin, Wei Lee, Yi-Kang Ho
ICCS
2005
Springer
16 years 11 days ago
PATM: Priority-Based Adaptive Topology Management for Efficient Routing in Ad Hoc Networks
Abstract. We propose a distributed and adaptive topology management algorithm, called PATM (Priority-based Adaptive Topology Management), that constructs and maintains a connected ...
Haixia Tan, Weilin Zeng, Lichun Bao
IJCAI
2003
15 years 8 months ago
Mining Video Associations for Efficient Database Management
To support more efficient video database management, this paper explores the concept of video association mining, with which the association patterns are characterized by sequenti...
Xingquan Zhu, Xindong Wu