1487 search results - page 15 / 298 » Representing and Querying Data Transformations |
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
VISUAL
1999
Springer
13 years 11 months ago
1999
Springer
To support the retrieval and fusion of multimedia information from multiple sources and databases, a spatial/temporal query language called ΣQL is proposed. ΣQL is based upon th...
PVLDB
2010
13 years 5 months ago
2010
Though partially automated, developing schema mappings remains a complex and potentially error-prone task. In this paper, we present TRAMP (TRAnsformation Mapping Provenance), an ...
BXML
2003
13 years 8 months ago
2003
Large XML documents which are stored in an XML database can be transformed further by an XSL processor using an XSLT stylesheet. In order to answer an XPath query based on the tran...
ICDE
2009
IEEE
13 years 5 months ago
2009
IEEE
Data provenance is information that describes how a given data item was produced. The provenance includes source and intermediate data as well as the transformations involved in pr...