4616 search results - page 256 / 924 » Beyond relational databases |
263
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ICDE
1997
IEEE
16 years 8 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
177
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CIKM
2006
Springer
15 years 10 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...
182
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PVLDB
2010
15 years 1 months ago
2010
Database evolution is the process of updating the schema of a database or data warehouse (schema evolution) and evolving the data to the updated schema (data evolution). Database ...
180
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DANTE
1999
IEEE
15 years 11 months ago
1999
IEEE
Because performance is a crucial issue in database systems, data caching techniques have been studied in database research field, especially in client-server databases and distrib...
132
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
We provide several new sampling-based estimators of the number of distinct values of an attribute in a relation. We compare these new estimators to estimators from the database an...