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ANSS
2008
IEEE
14 years 2 months ago
Resource Allocation Strategies in a 2-Level Hierarchical Grid System
Efficient job scheduling in grids is challenging due to the large number of distributed autonomous resources. In this paper we study various resource allocation policies in a 2-le...
Stylianos Zikos, Helen D. Karatza
AAAI
2010
13 years 9 months ago
Relative Entropy Policy Search
Policy search is a successful approach to reinforcement learning. However, policy improvements often result in the loss of information. Hence, it has been marred by premature conv...
Jan Peters, Katharina Mülling, Yasemin Altun
ECRTS
2004
IEEE
13 years 11 months ago
Maintaining Data Freshness in Distributed Real-Time Databases
Many real-time systems need to maintain fresh views which are derived from shared data that are distributed among multiple sites. When a base data item changes, all derived views ...
Yuan Wei, Sang Hyuk Son, John A. Stankovic
MDM
2009
Springer
121views Communications» more  MDM 2009»
14 years 2 months ago
Lazy-Update B+-Tree for Flash Devices
— With the rapid increasing capacity of flash chips, flash-aware indexing techniques are highly desirable for flash devices. The unique features of flash memory, such as the ...
Sai Tung On, Haibo Hu, Yu Li, Jianliang Xu
ICDCS
2005
IEEE
14 years 1 months ago
An Update Protocol for XML Documents in Distributed and Cooperative Systems
Securing data is becoming a crucial need for most internet-based applications. Whereas the problem of data confidentiality has been widely investigated, the problem of how to ens...
Yunhua Koglin, Giovanni Mella, Elisa Bertino, Elen...