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SIGMOD
2008
ACM
191views Database» more  SIGMOD 2008»
16 years 2 months ago
Efficient aggregation for graph summarization
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
Yuanyuan Tian, Richard A. Hankins, Jignesh M. Pate...
MICRO
2009
IEEE
129views Hardware» more  MICRO 2009»
15 years 8 months ago
Execution leases: a hardware-supported mechanism for enforcing strong non-interference
High assurance systems such as those found in aircraft controls and the financial industry are often required to handle a mix of tasks where some are niceties (such as the contro...
Mohit Tiwari, Xun Li, Hassan M. G. Wassel, Frederi...
HICSS
2005
IEEE
142views Biometrics» more  HICSS 2005»
15 years 7 months ago
Learning Effectiveness in Web-Based Technology-Mediated Virtual Learning Environment
A framework that delineates the relationships between learner control and learning effectiveness is absent. This study aims to fill this void. Unlike previous research, this study...
Shih-Wei Chou, Chien-Hung Liu
JAIR
2002
163views more  JAIR 2002»
15 years 1 months ago
Efficient Reinforcement Learning Using Recursive Least-Squares Methods
The recursive least-squares (RLS) algorithm is one of the most well-known algorithms used in adaptive filtering, system identification and adaptive control. Its popularity is main...
Xin Xu, Hangen He, Dewen Hu
CISS
2007
IEEE
15 years 8 months ago
Differential Space-Frequency Group Codes for MIMO-OFDM
— In recent years, coherent space-frequency (SF) coded multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems have attracted great attentio...
Engin Zeydan, Ufuk Tureli