376 search results - page 13 / 76 » Semantics and Evaluation of Top-k Queries in Probabilistic D... |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
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...
EDBTW
2010
Springer
14 years 2 months ago
2010
Springer
We investigate the complexity of performing updates on probabilistic XML data for various classes of probabilistic XML documents of different succinctness. We consider two elemen...
JCS
2008
13 years 7 months ago
2008
Controlled Query Evaluation (CQE) defines a logical framework to protect confidential information in a database. By modeling a user's a priori knowledge appropriately, a CQE ...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
The emergence of Web 2.0 has resulted in a huge amount of heterogeneous data that are contributed by a large number of users, engendering new challenges for data management and qu...