305 search results - page 8 / 61 » Query Answering Using Views for Data Integration over the We... |
SDMW
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
AWIC
2005
Springer
14 years 27 days ago
2005
Springer
In data integration systems there is a problem of answering queries through a target schema, given a set of mappings between source schemas and the target schema, and given that th...
SAC
2006
ACM
14 years 1 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
Integrating Deep Web sources requires highly accurate semantic matches between the attributes of the source query interfaces. These matches are usually established by comparing th...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Time is an important dimension of relevance for a large number of searches, such as over blogs and news archives. So far, research on searching over such collections has largely f...