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ICALP
1997
Springer
13 years 11 months ago
Discrete-Time Control for Rectangular Hybrid Automata
Rectangular hybrid automatamodel digital control programs of analog plant environments. We study rectangular hybrid automatawhere the plant state evolves continuously in real-numbe...
Thomas A. Henzinger, Peter W. Kopke
DSMML
2004
Springer
13 years 11 months ago
Efficient Communication by Breathing
The arithmetic-coding-based communication system, Dasher, can be driven by a one-dimensional continuous signal. A belt-mounted breath-mouse, delivering a signal related to lung vol...
Tom Shorrock, David MacKay, Chris Ball
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
14 years 7 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
CIKM
2009
Springer
14 years 2 months ago
On the feasibility of multi-site web search engines
Web search engines are often implemented as centralized systems. Designing and implementing a Web search engine in a distributed environment is a challenging engineering task that...
Ricardo A. Baeza-Yates, Aristides Gionis, Flavio J...
LATIN
2004
Springer
14 years 29 days ago
Global Synchronization in Sensornets
Time synchronization is necessary in many distributed systems, but achieving synchronization in sensornets, which combine stringent precision requirements with severe resource con...
Jeremy Elson, Richard M. Karp, Christos H. Papadim...