306 search results - page 31 / 62 » Spark: top-k keyword query in relational databases |
PODS
2008
ACM
14 years 7 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
CIKM
2005
Springer
14 years 28 days ago
2005
Springer
Faced with growing knowledge management needs, enterprises are increasingly realizing the importance of seamlessly integrating critical business information distributed across bot...
MM
2003
ACM
14 years 19 days ago
2003
ACM
Representation of relative spatial relations between objects is required in many multimedia database applications. Quantitative representation of spatial relations taking into acc...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
In this paper, we present a framework for online discovery of semantic links from relational data. Our framework is based on declarative specification of the linkage requirements ...