Peer-to-peer systems have the desirable property that the amount of resources available in the system increase as demand for services increases due to growth of the system. We exp...
W3C currently extends the SPARQL query language with so-called entailment regimes, which define how queries are evaluated using logical entailment relations. We describe a sound a...
We present a model of adaptive attacks which we combine with information-theoretic metrics to quantify the information revealed to an adaptive adversary. This enables us to expres...
Labels in spreadsheets can be exploited for finding errors in spreadsheet formulas. Previous approaches have either used the positional information of labels or their interpretat...
We describe a method for computing closed sets with data-dependent constraints. Especially, we show how the method can be adapted to find frequent closed sets in a given data set...