1091 search results - page 57 / 219 » Approximation in Databases |
CIKM
2006
Springer
15 years 3 months ago
2006
Springer
We study the novel problem of efficiently computing the update distance for a pair of relational databases. In analogy to the edit distance of strings, we define the update distan...
EDBT
2009
ACM
15 years 4 months ago
2009
ACM
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
SDB
1995
15 years 3 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
129
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SSD
1995
Springer
15 years 3 months ago
1995
Springer
Spatial data mining, i.e., discovery of interesting, implicit knowledge in spatial databases, is an important task for understanding and use of spatial data- and knowledge-bases. I...
121
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DEXAW
2007
IEEE
15 years 1 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...