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WWW
2007
ACM
14 years 11 months ago
Using Google distance to weight approximate ontology matches
Discovering mappings between concept hierarchies is widely regarded as one of the hardest and most urgent problems facing the Semantic Web. The problem is even harder in domains w...
Risto Gligorov, Warner ten Kate, Zharko Aleksovski...
COMBINATORICS
2002
87views more  COMBINATORICS 2002»
13 years 10 months ago
Map Genus, Forbidden Maps, and Monadic Second-Order Logic
A map is a graph equipped with a circular order of edges around each vertex. These circular orders represent local planar embeddings. The genus of a map is the minimal genus of an...
Bruno Courcelle, V. Dussaux
ISBI
2004
IEEE
14 years 11 months ago
Cortical Surface Flattening Using Least Square Conformal Mapping with Minimal Metric Distortion
Although flattening a cortical surface necessarily introduces metric distortion due to the non-constant Gaussian curvature of the surface, the Riemann Mapping Theorem states that ...
Lili Ju, Josh Stern, Kelly Rehm, Kirt Schaper, Dav...
ISBI
2007
IEEE
14 years 5 months ago
Quantification and Visualization of Localized and Intuitive Shape Variability Using a Novel Medial-Based Shape Representation
Quantification and visualization of anatomical shape variability in different populations is essential for diagnosis and tracking progression of diseases. We present a new 3D med...
Ghassan Hamarneh, Aaron D. Ward, Richard Frank
COMPGEOM
2003
ACM
14 years 4 months ago
Finding a curve in a map
Given a polygonal curve and a geometric graph, we describe an efficient algorithm to find a path in the graph which is most similar to the curve, using the well-known Fr´echet d...
Carola Wenk, Helmut Alt, Alon Efrat, Lingeshwaran ...