771 search results - page 85 / 155 » Access Methods and Query Processing Techniques |
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
A top-k query combines different rankings of the same set of objects and returns the k objects with the highest combined score according to an aggregate function. We bring to ligh...
VL
1995
IEEE
14 years 1 months ago
1995
IEEE
Buffering of intermediate results in dataflow diagrams can significantly reduce latency when a user browses these results or re-executes a diagram with slightly different inputs. ...
EDBT
2004
ACM
14 years 10 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
TIME
1997
IEEE
14 years 2 months ago
1997
IEEE
Temporal databases provide built-in supports for efficient recording and querying of time-evolving data. In this paper, data clustering issues in temporal database environment are...
KDD
1995
ACM
14 years 1 months ago
1995
ACM
For semantic query optimization one needs detailed knowledgeabout the contents of the database. Traditional techniquesuse static knowledgeabout all possible states of the database...