516 search results - page 42 / 104 » Processing Queries in a Large Peer-to-Peer System |
CIDR
2011
12 years 11 months ago
2011
If you have ever encountered a piece of highly domain-specific business software, you may have noticed that it was largely a graphical front-end to some relational database. You ...
DMSN
2006
ACM
14 years 1 months ago
2006
ACM
This paper presents a novel research direction in the field of sensor data management. It concerns transactional support in heterogeneous large scale sensor systems. Besides well...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
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...
DBA
2006
13 years 9 months ago
2006
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...