1821 search results - page 34 / 365 » U-DBMS: A Database System for Managing Constantly-Evolving D... |
SIGMOD
2003
ACM
16 years 1 months ago
2003
ACM
Traditional databases store sets of relatively static records with no pre-defined notion of time, unless timestamp attributes are explicitly added. While this model adequately rep...
214
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
We demonstrate MMS, a system for storing and managing a variety of metadata in a simple, elegant and uniform way. The system is based on two observations. First, that the relation...
148
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AGIS
1998
15 years 1 months ago
1998
With the development of modern cities, 3-D spatial information systems (SIS) are increasingly required for spatial planning, communication systems and other applications. The geom...
205
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SIGMOD
2005
ACM
16 years 1 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
112
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AMAST
2008
Springer
15 years 3 months ago
2008
Springer
The authors have proposed using category-theoretic sketches to enhance database design and integration methodologies. The algebraic context is called the Sketch Data Model (SkDM) a...