151 search results - page 18 / 31 » Answering approximate queries over autonomous web databases |
PDIS
1994
IEEE
15 years 1 months ago
1994
IEEE
Many new database applications require very large volumes of data. Mariposa is a data base system under construction at Berkeley responding to this need. Mariposa objects can be s...
CIKM
2009
Springer
15 years 23 days ago
2009
Springer
Keyword search techniques that take advantage of XML structure make it very easy for ordinary users to query XML databases, but current approaches to processing these queries rely...
OTM
2005
Springer
15 years 3 months ago
2005
Springer
Several applications require reasoning over autonomously developed ontologies. Initially conceived to explicit the semantics of a certain domain, these ontologies become a powerfu...
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
SEMWEB
2009
Springer
15 years 2 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...