24 search results - page 5 / 5 » Incremental Updates for Materialized OQL Views |
EDBT
2000
ACM
13 years 8 months ago
2000
ACM
Warehouse view self-maintenance refers to maintaining materialized views at a data warehouse without accessing source data. Self-maintenance has been studied for nontemporal views...
VLDB
1999
ACM
13 years 9 months ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
ICDE
1996
IEEE
14 years 6 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...
GIS
2003
ACM
14 years 6 months ago
2003
ACM
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...