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140
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EDBT
2011
ACM
14 years 4 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
123
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ESWS
2011
Springer
14 years 4 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
115
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ICALP
2011
Springer
14 years 4 months ago
2011
Springer
We are given an interval graph G = (V, E) where each interval I ∈ V has a weight wI ∈ R+. The goal is to color the intervals V with an arbitrary number of color classes C1, C2...
111
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IJKSR
2011
14 years 4 months ago
2011
Learning management systems are routinely used for presenting, solving and grading exercises with large classes. However, teachers are constrained to use questions with pre-defined...
130
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NAR
2011
14 years 3 months ago
2011
The allele frequency net database (http://www .allelefrequencies.net) is an online repository that contains information on the frequencies of immune genes and their corresponding ...