453 search results - page 21 / 91 » Efficient Evaluation of Inbreeding Queries on Pedigree Data |
DPD
2002
13 years 7 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
WWW
2005
ACM
14 years 8 months ago
2005
ACM
This paper addresses the problem of fast retrieval of data from XML documents by providing a labeling schema that can easily handle simple as well as complex XPATH queries and als...
IIS
2004
13 years 9 months ago
2004
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
DAMON
2008
Springer
13 years 9 months ago
2008
Springer
Frequent elements and top-k queries constitute an important class of queries for data stream analysis applications. Certain applications require answers for both frequent elements...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Peer-to-peer systems are mainly used for object sharing although they can provide the infrastructure for many other applications. In this paper, we extend the idea of object shari...