DKE 1999 | Sciweavers

A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...

Dimitri Theodoratos, Timos K. Sellis

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DKE
1999

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Making Multiple Views Self-Maintainable in a Data Warehouse

13 years 10 months ago

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A data warehouse collects and maintains a large amount of data from several distributed and heterogeneous data sources. Often the data is stored in the form of materialized views ...

Weifa Liang, Hui Li, Hui Wang, Maria E. Orlowska

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DKE
1999

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Logical Foundations of Multilevel Databases

13 years 10 months ago

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In this paper, we propose a formal model for multilevel databases. This model aims at being a generic model, that is it can be interpreted for any kind of database (relational, ob...

Frédéric Cuppens, Alban Gabillon

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DKE
1999

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Conceptual-Model-Based Data Extraction from Multiple-Record Web Pages

13 years 10 months ago