548 search results - page 6 / 110 » The Relational Data Model, Normalisation and effective Datab... |
76
Voted
MM
2004
ACM
15 years 2 months ago
2004
ACM
In this paper, we propose a unified framework, called Markov Model Mediator (MMM), to facilitate image database clustering and to improve the query performance. The structure of t...
141
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
A "sparse" data set typically has hundreds or even thousands of attributes, but most objects have non-null values for only a small number of these attributes. A popular ...
91
Voted
VLDB
1991
ACM
15 years 1 months ago
1991
ACM
Recent work on parallel joins and data skew has concentrated on algorithm design without considering the causes and chara.cteristics of data. skew itself. Existming ana.lyt,ic mod...
DAWAK
2009
Springer
15 years 2 months ago
2009
Springer
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...
195
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ICDE
1995
IEEE
15 years 11 months ago
1995
IEEE
We describe a two-level client-side cache for composite objects mapped as views of a relational database. A semantic model, the Structural Model, is used to specify joins on the r...