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SSD
2001
Springer
122views Database» more  SSD 2001»
14 years 2 days ago
Calendars, Time Granularities, and Automata
The notion of time granularity comes into play in a variety of problems involving time representation and management in database applications, including temporal database design, t...
Ugo Dal Lago, Angelo Montanari
DKE
2002
113views more  DKE 2002»
13 years 7 months ago
A general strategy for decomposing topological invariants of spatial databases and an application
Topological invariants of spatial databases (i.e., finite structures that capture the topological properties of the database) are receiving increasing attention since they can act...
Serafino Cicerone, Daniele Frigioni, Paolino Di Fe...
SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
13 years 9 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
ER
2007
Springer
103views Database» more  ER 2007»
14 years 1 months ago
Ensuring the Semantic Correctness of Complex Regions
Ensuring the semantic and topological correctness of spatial data is an important requirement in geographical information systems and spatial database systems in order to preserve ...
Mark McKenney, Alejandro Pauly, Reasey Praing, Mar...
CIKM
2006
Springer
13 years 11 months ago
Describing differences between databases
We study the novel problem of efficiently computing the update distance for a pair of relational databases. In analogy to the edit distance of strings, we define the update distan...
Heiko Müller, Johann Christoph Freytag, Ulf L...