Management of a modern enterprise is based on the assumption that executive reports of lower-layer management are faithful to what is actually happening in the field. As some well...
It is widely accepted that transient failures will appear more frequently in chips designed in the near future due to several factors such as the increased integration scale. On t...
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Estimation via sampling out of highly selective join queries is well known to be problematic, most notably in online aggregation. Without goal-directed sampling strategies, samples...