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158
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SEMWEB
2007
Springer
15 years 11 months ago
2007
Springer
In collaborative indexing systems users generate a big amount of metadata by labelling web-based content. These labels are known as tags and form a shared vocabulary. In order to u...
147
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STACS
2007
Springer
15 years 11 months ago
2007
Springer
We consider the problem of maintaining aggregates over recent elements of a massive data stream. Motivated by applications involving network data, we consider asynchronous data str...
171
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STACS
2007
Springer
15 years 11 months ago
2007
Springer
The min-sum k-clustering problem is to partition a metric space (P, d) into k clusters C1, . . . , Ck ⊆ P such that k i=1 p,q∈Ci d(p, q) is minimized. We show the first effi...
142
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STACS
2007
Springer
15 years 11 months ago
2007
Springer
A coloring of a graph is convex if it induces a partition of the vertices into connected subgraphs. Besides being an interesting property from a theoretical point of view, tests f...
157
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TAMC
2007
Springer
15 years 11 months ago
2007
Springer
In previous work we have introduced an average-case measure for the time complexity of Boolean circuits – that is the delay between feeding the input bits into a circuit and the ...