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ENTCS
2008
124views more  ENTCS 2008»
13 years 9 months ago
Stability for Effective Algebras
We give a general method for showing that all numberings of certain effective algebras are recursively equivalent. The method is based on computable approximation-limit pairs. The...
Jens Blanck, Viggo Stoltenberg-Hansen, John V. Tuc...
ECAI
2000
Springer
14 years 1 months ago
Qualitative Spatial Reasoning about Line Segments
Abstract. Representing and reasoning about orientation information is an important aspect of qualitative spatial reasoning. We present a novel approach for dealing with intrinsic o...
Reinhard Moratz, Jochen Renz, Diedrich Wolter
SIGMOD
2002
ACM
141views Database» more  SIGMOD 2002»
13 years 9 months ago
Bringing Order to Query Optimization
A variety of developments combine to highlight the need for respecting order when manipulating relations. For example, new functionality is being added to SQL to support OLAP-styl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
SIGMOD
2008
ACM
203views Database» more  SIGMOD 2008»
14 years 10 months ago
Querying continuous functions in a database system
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
Arvind Thiagarajan, Samuel Madden
CLUSTER
2007
IEEE
14 years 4 months ago
Satisfying your dependencies with SuperMatrix
— SuperMatrix out-of-order scheduling leverages el abstractions and straightforward data dependency analysis to provide a general-purpose mechanism for obtaining parallelism from...
Ernie Chan, Field G. Van Zee, Enrique S. Quintana-...