522 search results - page 2 / 105 » Answering Aggregation Queries in a Secure System Model |
ESORICS
2009
Springer
14 years 8 months ago
2009
Springer
Authenticated dictionaries allow users to send lookup requests to an untrusted server and get authenticated answers. Persistent authenticated dictionaries (PADs) add queries agains...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
DOLAP
2004
ACM
14 years 28 days ago
2004
ACM
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
SCCC
2005
IEEE
14 years 1 months ago
2005
IEEE
Databases may not satisfy integrity constraints (ICs) for several reasons. Nevertheless, in most of the cases an important part of the data is still consistent wrt certain desired...
ICEBE
2005
IEEE
14 years 1 months ago
2005
IEEE
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...