2114 search results - page 174 / 423 » Performance Evaluation on a Real-Time Database |
ICDE
1995
IEEE
14 years 10 months ago
1995
IEEE
?In a fuzzy relational database where a relation is a fuzzy set of tuples and ill-known data are represented by possibility distributions, nested fuzzy queries can be expressed in ...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
This work is a proposal for a database index structure that has been specifically designed to support the evaluation of XPath queries. As such, the index is capable to support all...
ICDE
2004
IEEE
14 years 10 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
We provide here an overview of the new and rapidly emerging research area of privacy preserving data mining. We also propose a classification hierarchy that sets the basis for ana...