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GEOINFORMATICA
2002
100views more  GEOINFORMATICA 2002»
13 years 8 months ago
Vagueness and Rough Location
This paper deals with the representation and the processing of information about spatial objects with indeterminate location like valleys or dunes (objects subject to vagueness). ...
Thomas Bittner, John G. Stell
TCS
2002
13 years 8 months ago
A formal approach to object-oriented software engineering
We show how formal specifications can be integrated into one of the current pragmatic object-oriented software development methods. Jacobson's "Object-Oriented Software ...
Martin Wirsing, Alexander Knapp
PEPM
2011
ACM
12 years 11 months ago
Calculating tree navigation with symmetric relational zipper
Navigating through tree structures is a core operation in tree processing programs. Most notably, XML processing programs intensively use XPath, the path specification language t...
Yuta Ikeda, Susumu Nishimura
ICDE
2009
IEEE
182views Database» more  ICDE 2009»
14 years 10 months ago
Adaptive Parallelization of Queries over Dependent Web Service Calls
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
Manivasakan Sabesan, Tore Risch
ICDE
2003
IEEE
148views Database» more  ICDE 2003»
14 years 10 months ago
Efficient Computation of Subqueries in Complex OLAP
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
Michael H. Böhlen, Michael O. Akinde