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ICML
2007
IEEE
16 years 7 months ago
A novel orthogonal NMF-based belief compression for POMDPs
High dimensionality of POMDP's belief state space is one major cause that makes the underlying optimal policy computation intractable. Belief compression refers to the method...
Xin Li, William Kwok-Wai Cheung, Jiming Liu, Zhili...
SSDBM
2007
IEEE
105views Database» more  SSDBM 2007»
16 years 26 days ago
Window-Oblivious Join: A Data-Driven Memory Management Scheme for Stream Join
Memory management is a critical issue in stream processing involving stateful operators such as join. Traditionally, the memory requirement for a stream join is query-driven: a qu...
Ji Wu, Kian-Lee Tan, Yongluan Zhou
SSDBM
2007
IEEE
116views Database» more  SSDBM 2007»
16 years 26 days ago
A Distributed Algorithm for Joins in Sensor Networks
Given their autonomy, flexibility and large range of functionality, wireless sensor networks can be used as an effective and discrete means for monitoring data in many domains. T...
Alexandru Coman, Mario A. Nascimento
TELETRAFFIC
2007
Springer
16 years 21 days ago
On the Use of Accounting Data for QoS-Aware IP Network Planning
We present an economically efficient framework for provision of essential input for QoS-aware IP network planning. Firstly, we define a process for reuse of network accounting data...
Alan Davy, Dmitri Botvich, Brendan Jennings
ICDE
2007
IEEE
110views Database» more  ICDE 2007»
16 years 8 months ago
Pointwise-Dense Region Queries in Spatio-temporal Databases
Applications such as traffic management and resource scheduling for location-based services commonly need to identify regions with high concentrations of moving objects. Such quer...
Jinfeng Ni, Chinya V. Ravishankar