151 search results - page 28 / 31 » Answering approximate queries over autonomous web databases |
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The querying and analysis of data streams has been a topic of much recent interest, motivated by applications from the fields of networking, web usage analysis, sensor instrumenta...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
CIKM
2010
Springer
13 years 5 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
We describe the architecture of a hypertext resource discovery system using a relational database. Such a system can answer questions that combine page contents, metadata, and hyp...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...