366 search results - page 45 / 74 » Efficient Query Reformulation in Peer-Data Management System... |
PODS
2009
ACM
14 years 8 months ago
2009
ACM
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Complex database queries require the use of memory-intensive operators like sort and hashjoin. Those operators need memory, also referred to as SQL memory, to process their input ...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In recent years, the significant growth of RDF data used in numerous applications has made its efficient and scalable manipulation an important issue. In this paper, we present RD...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
As online social networking emerges, there has been increased interest to utilize the underlying social structure as well as the available social information to improve search. In...