1238 search results - page 69 / 248 » View-based query containment |
WWW
2007
ACM
15 years 10 months ago
2007
ACM
Determining the user intent of Web searches is a difficult problem due to the sparse data available concerning the searcher. In this paper, we examine a method to determine the us...
167
click to vote
SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
We study the problem of querying relational data embedded in XML. Relational data can be represented by various tree structures in XML. However, current XML query methods, such as...
100
click to vote
SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
132
click to vote
ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Active learning can actively select or construct examples to label to reduce the number of labeled examples needed for building accurate classifiers. However, previous works of...
ICPR
2000
IEEE
15 years 11 months ago
2000
IEEE
Probabilistic feature relevance learning (PFRL) is an effective technique for adaptively computing local feature relevance for content-based image retrieval. It however becomes le...