297 search results - page 33 / 60 » On the Decidability of Consistent Query Answering |
OWLED
2008
13 years 10 months ago
2008
Product development requires the ability to check design consistency, to verify design properties, and to answer questions about a design's possible implementations. These tas...
ICDT
2011
ACM
12 years 12 months ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
DOOD
1995
Springer
14 years 1 days ago
1995
Springer
Abstract. A simple model for method-based authorization is defined and an algorithm is presented for testing in compile-time whether a given database schema violates authorization...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
There has been an explosion of hyperlinked data in many domains, e.g., the biological Web. Expressive query languages and effective ranking techniques are required to convert this...