3456 search results - page 197 / 692 » Semantics in Spatial Databases |
112
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CORR
2010
Springer
15 years 2 months ago
2010
Springer
In this paper we present a simple database definition language: that of categories and functors. A database schema is a category and a state is a set-valued functor. We show that m...
111
Voted
BNCOD
2009
15 years 6 days ago
2009
Nowadays maintenance of database management systems (DBMSs) often requires offline operations for enhancement of functionality or security updates. This hampers the availability of...
178
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EDBT
2011
ACM
14 years 5 months ago
2011
ACM
The World Wide Web no longer consists just of HTML pages. Our work sheds light on a number of trends on the Internet that go beyond simple Web pages. The hidden Web provides a wea...
209
Voted
GIS
2004
ACM
16 years 3 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...
116
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FCS
2006
15 years 3 months ago
2006
Abstract. Many projects have investigated the issue of storing XML in traditional database systems and exporting data in traditional databases as XML documents. However, they paid ...