Sciweavers

CORR
2010
Springer
153views Education» more  CORR 2010»
13 years 11 months ago
The Complexity of Causality and Responsibility for Query Answers and non-Answers
An answer to a query has a well-defined lineage expression (alternatively called how-provenance) that explains how the answer was derived. Recent work has also shown how to comput...
Alexandra Meliou, Wolfgang Gatterbauer, Katherine ...