1821 search results - page 209 / 365 » U-DBMS: A Database System for Managing Constantly-Evolving D... |
155
click to vote
CORR
2008
Springer
15 years 14 days ago
2008
Springer
XML data warehouses form an interesting basis for decision-support applications that exploit complex data. However, native-XML database management systems (DBMSs) currently bear l...
116
click to vote
ER
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. As several mature implementations of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to manage ...
113
click to vote
DMDW
2000
15 years 3 months ago
2000
Access. permissions in a data warehouse are currently managed in a separate world from the sources' policies. The consequences are inconsistencies, slow response to change, a...
SIGIR
1996
ACM
15 years 6 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
206
click to vote
SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Ranking queries are essential tools to process large amounts of probabilistic data that encode exponentially many possible deterministic instances. In many applications where unce...