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DLOG
2011
14 years 10 months ago
Status QIO: An Update
We prove co-N2ExpTime-hardness for conjunctive query entailment in the description logic ALCOIF , thus improving the previously known 2ExpTime lower bound. The result transfers to ...
Birte Glimm, Yevgeny Kazakov, Carsten Lutz
CLIMA
2004
15 years 8 months ago
A Logic for Knowledge, Correctness, and Real Time
We present TCTLKD, a logic for knowledge, correctness and real time. TCTLKD is interpreted on real time deontic interpreted systems, and extension to continuous time of deontic int...
Bozena Wozna, Alessio Lomuscio
WSC
1997
15 years 8 months ago
A Hybrid Tool for the Performance Evaluation of NUMA Architectures
We present a system for describing and solving closed queuing network models of the memory access performance of NUMA architectures. The system consists of a model description lan...
James Westall, Robert Geist
FDL
2007
IEEE
16 years 1 months ago
How Different are Esterel and SystemC?
In this paper, we compare the underlying models of computation of the system description languages SystemC and Esterel. Although these languages have a rather different origin, we...
Jens Brandt, Klaus Schneider
ICS
2010
Tsinghua U.
15 years 11 months ago
A query language for understanding component interactions in production systems
When something unexpected happens in a large production system, administrators must first perform a search to isolate which components and component interactions are likely to be...
Adam J. Oliner, Alex Aiken