34 search results - page 4 / 7 » Incremental Maintenance of Materialized OQL Views |
SIGMOD
1995
ACM
13 years 9 months ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
DAWAK
2005
Springer
13 years 11 months ago
2005
Springer
In heterogeneous data warehousing environments, autonomous data sources are integrated into a materialized integrated database. The schemas of the data sources and the integrated ...
DAWAK
2005
Springer
13 years 7 months ago
2005
Springer
Abstract. Data mining is an iterative process. Users issue series of similar data mining queries, in each consecutive run slightly modifying either the definition of the mined dat...
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 ...
CIKM
2004
Springer
13 years 9 months ago
2004
Springer
Materialized views defined over distributed data sources are a well recognized technology for modern applications. Stateof-the-art incremental view maintenance requires O(n2 ) or ...