151 search results - page 4 / 31 » Answering approximate queries over autonomous web databases |
CORR
2011
Springer
12 years 11 months ago
2011
Springer
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information ab...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
WIDM
2003
ACM
14 years 25 days ago
2003
ACM
A growing number of databases especially those published on the Web are becoming available to external users. Users of these databases are provided simple form-based query interfa...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...