Sciweavers

294 search results - page 41 / 59
» Relational Database Operations Modeling with UML
Sort
View
SSD
2001
Springer
103views Database» more  SSD 2001»
14 years 2 months ago
Similarity of Cardinal Directions
Like people who casually assess similarity between spatial scenes in their routine activities, users of pictorial databases are often interested in retrieving scenes that are simil...
Roop K. Goyal, Max J. Egenhofer
ICDT
2009
ACM
166views Database» more  ICDT 2009»
14 years 10 months ago
A compositional framework for complex queries over uncertain data
The ability to flexibly compose confidence computation with the operations of relational algebra is an important feature of probabilistic database query languages. Computing confi...
Christoph Koch, Michaela Götz
ICDE
1999
IEEE
118views Database» more  ICDE 1999»
14 years 11 months ago
Maintaining Data Cubes under Dimension Updates
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
VLDB
2004
ACM
134views Database» more  VLDB 2004»
14 years 3 months ago
A Privacy-Preserving Index for Range Queries
Database outsourcing is an emerging data management paradigm which has the potential to transform the IT operations of corporations. In this paper we address privacy threats in da...
Bijit Hore, Sharad Mehrotra, Gene Tsudik
VLDB
2005
ACM
139views Database» more  VLDB 2005»
14 years 3 months ago
Statistical Learning Techniques for Costing XML Queries
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...