2555 search results - page 439 / 511 » Putting complex systems to work |
106
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PODS
2006
ACM
16 years 25 days ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
107
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PODS
2008
ACM
16 years 25 days ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
134
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MOBIHOC
2009
ACM
15 years 7 months ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
90
Voted
OOPSLA
2009
Springer
15 years 7 months ago
2009
Springer
The high degree of complexity and autonomy of future robotic space missions, such as Mars Science Laboratory (MSL), poses serious challenges in assuring their reliability and ef...
91
Voted
MTV
2007
IEEE
15 years 7 months ago
2007
IEEE
The widening gap between CPU complexity and verification capability is becoming increasingly more salient. It is impossible to completely verify the functionality of a modern mic...