21 search results - page 1 / 5 » Update Exchange with Mappings and Provenance |
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
ICDT
2007
ACM
13 years 10 months ago
2007
ACM
Abstract. Information concerning the origin of data (that is, its provenance) is important in many areas, especially scientific recordkeeping. Currently, provenance information mu...
ICDE
2012
IEEE
11 years 7 months ago
2012
IEEE
—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
DEBU
2010
13 years 1 months ago
2010
Sharing structured data today requires agreeing on a standard schema, then mapping and cleaning all of the data to achieve a single queriable mediated instance. However, for setti...
ICDE
2006
IEEE
13 years 10 months ago
2006
IEEE
We consider pragmatic issues in applying constraint-based theories (such as that developed for data exchange) to a variety of problems. We identify disconnects between theoreticia...