617 search results - page 102 / 124 » Semantic queries in databases: problems and challenges |
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
On photo sharing websites like Flickr and Zooomr, users are offered the possibility to assign tags to their uploaded pictures. Using these tags to find interesting groups of sem...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Keyword search for smallest lowest common ancestors (SLCAs) in XML data has recently been proposed as a meaningful way to identify interesting data nodes in XML data where their s...
PKDD
2009
Springer
14 years 3 months ago
2009
Springer
This paper presents an interdisciplinary investigation of statistical information retrieval (IR) techniques for protein identification from tandem mass spectra, a challenging probl...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
In this paper, we study the problem of keyword proximity search over XML documents and leverage the efficiency and effectiveness. We take the disjunctive semantics among input key...