78 search results - page 16 / 16 » Managing Source Schema Evolution in Web Warehouses |
SIGMOD
2010
ACM
13 years 5 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
WSDM
2010
ACM
14 years 2 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
ECOWS
2009
Springer
13 years 8 months ago
2009
Springer
—Recently, Semantic Web Services have been increasingly adopted to search, access and manipulate information made available from autonomous and heterogeneous systems interacting ...