86 search results - page 13 / 18 » Answering Imprecise Queries over Autonomous Web Databases |
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
SIGMOD
1997
ACM
13 years 11 months ago
1997
ACM
The Distributed Information Search COmponent (Disco) is a prototype heterogeneous distributed database that accesses underlying data sources. The Disco prototype currently focuses...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...