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164
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ICDT
2007
ACM
16 years 23 days ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
204
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ICDT
2007
ACM
16 years 23 days ago
2007
ACM
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
167
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ICDT
2007
ACM
16 years 23 days ago
2007
ACM
Stay macro tree transducers (smtts) are an expressive formalism for reasoning about XSLT-like document transformations. Here, we consider the exact type checking problem for smtts....
162
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ICIC
2007
Springer
16 years 23 days ago
2007
Springer
Humans can easily recognize complex objects even if values of their attributes are imprecise and often inconsistent. It is not clear how the brain processes uncertain visual inform...
178
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ICOST
2007
Springer
16 years 23 days ago
2007
Springer
Tracking the movement of people in indoor environments is useful for a variety of applications including elderly care, study of shopper behavior in shopping centers, security etc. ...