400 search results - page 39 / 80 » On Processing Nested Queries in Distributed Object-Oriented ... |
CCS
2008
ACM
13 years 9 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
ADC
2006
Springer
13 years 11 months ago
2006
Springer
The quality of database distribution design, which involves fragmentation and allocation, should be assessed by the performance of a system. In particular, this applies to non-rel...
SIGIR
2000
ACM
14 years 1 days ago
2000
ACM
The proliferation of online information resources increases the importance of effective and efficient distributed searching. Distributed searching is cast in three parts – datab...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Scientific workflow systems are increasingly used to automate complex data analyses, largely due to their benefits over traditional approaches for workflow design, optimization, a...