60 search results - page 2 / 12 » Incremental Maintenance of Views with Duplicates |
EDBT
2002
ACM
14 years 5 months ago
2002
ACM
An important issue in data integration is the integration of semantically equivalent but schematically heterogeneous data sources. Declarative mechanisms supporting powerful source...
IS
2006
13 years 4 months ago
2006
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
ICDE
1998
IEEE
14 years 6 months ago
1998
IEEE
We study the problem of maintaining materialized views of graph structured data. The base data consists of records containing identi ers of other records. The data could represent...
SIGMOD
2005
ACM
14 years 5 months ago
2005
ACM
Caching data by maintaining materialized views typically requires updating the cache appropriately to reflect dynamic source updates. Extensive research has addressed the problem ...
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...