617 search results - page 73 / 124 » Semantic queries in databases: problems and challenges |
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
Peer Data Management Systems (PDMSs) have been introduced as a solution to the problem of large-scale sharing of semantically rich data. A PDMS consists of semantic peers connecte...
DASFAA
2003
IEEE
14 years 2 months ago
2003
IEEE
Data warehouses are of crucial importance to decision-making in competitive organizations. The fact that they store enormous quantities of data is a challenge in what concerns per...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
W2GIS
2007
Springer
14 years 3 months ago
2007
Springer
This paper is motivated by the problem of how to provide better access to ever enlarging collections of digital images. The paper opens by examining the concept of place in geograp...
ESWS
2010
Springer
14 years 20 days ago
2010
Springer
Abstract. The current state of the art regarding scalable reasoning consists of programs that run on a single machine. When the amount of data is too large, or the logic is too com...