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183
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PODS
2008
ACM
16 years 7 months 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...
199
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PODS
2008
ACM
16 years 7 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
183
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ICSE
2003
IEEE-ACM
16 years 7 months ago
2003
IEEE-ACM
Reusable components equipped with strict guarantees of quality can help reestablish software development on a stronger footing, by taking advantage of the scaling effect of reuse ...
226
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PERCOM
2007
ACM
16 years 6 months ago
2007
ACM
Sensor networks have been an attractive platform for pervasive computing and communication. Due to the lack of physical protection, however, sensor networks are vulnerable to atta...
212
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PERCOM
2007
ACM
16 years 6 months ago
2007
ACM
This paper develops a context aware framework to address the diverse communication needs of a modern enterprise. Such enterprises are characterized by workers in different locatio...