751 search results - page 108 / 151 » A Dialogue Manager for Accessing Databases |
CATA
1998
13 years 9 months ago
1998
The large unstructured text collections demand full-text search capabilities from IR systems. Current systems typically allow users only to connect to a single database (or site) ...
CIKM
1999
Springer
14 years 2 days ago
1999
Springer
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
DAWAK
2009
Springer
13 years 11 months ago
2009
Springer
Skyline queries have gained much attention as alternative query semantics with pros (e.g.low query formulation overhead) and cons (e.g.large control over result size). To overcome ...
DMDW
2000
13 years 9 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...
NDT
2010
13 years 6 months ago
2010
This paper focuses on an aspect that is widely neglected in native XML database management systems: support for concurrent transactional access. We analyze the isolation requireme...