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177
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ADBIS
2006
Springer
16 years 22 days ago
2006
Springer
materialized view selection is a non-trivial task. Hence, its complexity must be reduced. A judicious choice of views must be costdriven and influenced by the workload experienced...
185
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IDEAS
1999
IEEE
15 years 11 months ago
1999
IEEE
Data integration of several sources has gained considerable attentions with the recent popularity of the Web. In the real world, some information may be missing i.e., partial and ...
188
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ICDE
1994
IEEE
15 years 11 months ago
1994
IEEE
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
164
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BTW
2007
Springer
16 years 28 days ago
2007
Springer
: Efficient information sharing is very important for emergency and rescue operations. These operations often have to be performed in environments where no communication infrastruc...
165
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CAISE
2003
Springer
15 years 12 months ago
2003
Springer
Data Warehouse logical design involves the definition of structures that enable an efficient access to information. The designer builds relational or multidimensional structures ta...