82 search results - page 2 / 17 » Annotated XML: queries and provenance |
CORR
2011
Springer
12 years 9 months ago
2011
Springer
The annotation of the results of database transformations was shown to be very effective for various applications. Until recently, most works in this context focused on positive q...
WWW
2001
ACM
14 years 6 months ago
2001
ACM
XQForms is the first generator of Web-based query forms and reports for XML data. XQForms takes as input (i) XML Schemas that model the data to be queried and presented, (ii) decl...
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
ICDE
2009
IEEE
13 years 3 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...
ICDT
2009
ACM
14 years 6 months ago
2009
ACM
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...