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DEXA
2004
Springer
180views Database» more  DEXA 2004»
16 years 4 days ago
Algebra-to-SQL Query Translation for Spatio-Temporal Databases
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
Mohammed Minout, Esteban Zimányi
MOZ
2004
Springer
16 years 2 days ago
Strasheela: Design and Usage of a Music Composition Environment Based on the Oz Programming Model
Strasheela provides a means for the composer to create a symbolic score by formally describing it in a rule-based way. The environment defines a rich music representation for comp...
Torsten Anders, Christina Anagnostopoulou, Michael...
ICDT
2003
ACM
139views Database» more  ICDT 2003»
15 years 12 months ago
New Rewritings and Optimizations for Regular Path Queries
All the languages for querying semistructured data and the web use as an integral part regular expressions. Based on practical observations, finding the paths that satisfy those r...
Gösta Grahne, Alex Thomo
ICDE
1994
IEEE
87views Database» more  ICDE 1994»
15 years 11 months ago
Implementing Calendars and Temporal Rules in Next Generation Databases
In applications like nancial trading, scheduling, manufacturing and process control, time based predicates in queries and rules are very important. There is also a need to de ne ...
Rakesh Chandra, Arie Segev, Michael Stonebraker
ICTL
1994
15 years 10 months ago
Completeness through Flatness in Two-Dimensional Temporal Logic
We introduce a temporal logic TAL and prove that it has several nice features. The formalism is a two-dimensional modal system in the sense that formulas of the language are evalua...
Yde Venema