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» Separating Complexity Classes Using Structural Properties
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CONCUR
2009
Springer
14 years 4 months ago
Model-Checking Games for Fixpoint Logics with Partial Order Models
Abstract. We introduce model-checking games that allow local secondorder power on sets of independent transitions in the underlying partial order models where the games are played....
Julian Gutierrez, Julian C. Bradfield
SIGIR
1996
ACM
14 years 2 months ago
Retrieval of Complex Objects Using a Four-Valued Logic
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
Thomas Rölleke, Norbert Fuhr
CIKM
1994
Springer
14 years 2 months ago
Hashing by Proximity to Process Duplicates in Spatial Databases
In a spatial database, an object may extend arbitrarily in space. As a result, many spatial data structures e.g., the quadtree, the cell tree, the R+-tree represent an object by p...
Walid G. Aref, Hanan Samet
VAMOS
2007
Springer
14 years 4 months ago
On the Structure of Problem Variability: From Feature Diagrams to Problem Frames
Requirements for product families are expressed in terms of commonality and variability. This distinction allows early identification of an appropriate software architecture and ...
Andreas Classen, Patrick Heymans, Robin C. Laney, ...
CCE
2007
13 years 10 months ago
Control properties of thermally coupled distillation sequences for different operating conditions
The understanding of the dynamic behavior of distillation columns has received considerable attention due to the fact that distillation is one of the most widely used unit operati...
Juan Gabriel Segovia-Hernández, Esteban Abe...