785 search results - page 44 / 157 » Efficient Processing of Top-k Queries in Uncertain Databases |
IDEAS
2009
IEEE
14 years 3 months ago
2009
IEEE
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
EDBT
2002
ACM
14 years 9 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...
WAIM
2004
Springer
14 years 2 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
EOR
2006
13 years 8 months ago
2006
The success of a company increasingly depends on timely information (internal or external) being available to the right person at the right time for crucial managerial decision-ma...