686 search results - page 22 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
83
Voted
ICDT
2003
ACM
15 years 2 months ago
2003
ACM
In an on-line statistical database, the query system should leave unanswered queries asking for sums that could lead to the disclosure of confidential data. To check that, every su...
DBPL
2005
Springer
15 years 3 months ago
2005
Springer
We study peer-to-peer ðP2PÞ data integration, where each peer models an autonomous system that exports data in terms of its own schema, and data interoperation is achieved by me...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
WEBDB
2005
Springer
15 years 3 months ago
2005
Springer
Efficient query processing in P2P-based Web integration systems poses a variety of challenges resulting from the strict decentralization and limited knowledge. As a special probl...
SEMWEB
2010
Springer
14 years 7 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...