176 search results - page 2 / 36 » Answering aggregate queries in data exchange |
IS
2006
13 years 4 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
EDBTW
2004
Springer
13 years 10 months ago
2004
Springer
The problem of answering queries posed to a peer who is a member of a peer-to-peerdataexchangesystemisstudied.Theanswershavetobeconsistentwrt to both the local semantic constraints...
ICDT
2010
ACM
13 years 9 months ago
2010
ACM
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
ICDT
2003
ACM
13 years 10 months ago
2003
ACM
VLDB
2011
ACM
12 years 11 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...