6974 search results - page 146 / 1395 » Querying Semi-Structured Data |
ADC
2008
Springer
13 years 10 months ago
2008
Springer
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
PVLDB
2010
13 years 6 months ago
2010
Prediction is emerging as an essential ingredient for real-time monitoring, planning and decision support applications such as intrusion detection, e-commerce pricing and automate...
ESWS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. This paper studies the RDF model from a database perspective. From this point of view it is compared with other database models, particularly with graph database models, ...
AMW
2009
13 years 9 months ago
2009
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...
SDMW
2005
Springer
14 years 1 months ago
2005
Springer
To avoid insider attacks one cannot rely on access control to protect a database scheme. Encrypting the database is a better option. This paper describes a working prototype of an ...