516 search results - page 46 / 104 » Processing Queries in a Large Peer-to-Peer System |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Temporal aggregate queries retrieve summarized information about records with time-evolving attributes. Existing approaches have at least one of the following shortcomings: (i) th...
WISE
2002
Springer
14 years 18 days ago
2002
Springer
A distributed search system consists of a large number of autonomous search servers logically connected in a peerto-peer network. Each search server maintains a local index of a c...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
COMAD
2008
13 years 9 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Uncertain data arises in a number of domains, including data integration and sensor networks. Top-k queries that rank results according to some user-defined score are an important...