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230
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GIS
2004
ACM
16 years 5 months ago
2004
ACM
Motivated by the increasing need to handle complex multidimensional data in location-based data warehouses, this paper proposes a powerful data model that is able to capture the c...
164
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ICDE
2002
IEEE
15 years 9 months ago
2002
IEEE
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...
132
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DOOD
1995
Springer
15 years 7 months ago
1995
Springer
Semantics represents a major problem area for active databases inasmuch as (i) there is l framework for defining the abstract semantics of active rules, and (ii) the various syst...
153
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ADC
2008
Springer
15 years 10 months ago
2008
Springer
As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
162
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KDD
2007
ACM
16 years 4 months ago
2007
ACM
It is becoming increasingly common to construct databases from information automatically culled from many heterogeneous sources. For example, a research publication database can b...