935 search results - page 33 / 187 » Performance Evaluation of Multiversion Database Systems |
IS
2007
13 years 7 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
IDEAS
2007
IEEE
14 years 2 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
In the rank join problem, we are given a set of relations and a scoring function, and the goal is to return the join results with the top K scores. It is often the case in practic...
ICDE
1999
IEEE
14 years 9 months ago
1999
IEEE
Increasingly, for extensibility and performance, specialpurpose application code is being integrated with database system code. Such application code has direct access to database...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...