183 search results - page 28 / 37 » Improving Query Answering over DL-Lite Ontologies |
VLDB
2007
ACM
14 years 7 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...
SSDBM
2007
IEEE
14 years 1 months ago
2007
IEEE
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime a...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
STOC
2010
ACM
13 years 11 months ago
2010
ACM
We define a new interactive differentially private mechanism — the median mechanism — for answering arbitrary predicate queries that arrive online. Given fixed accuracy and...
MM
2005
ACM
14 years 16 days ago
2005
ACM
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...