81 search results - page 7 / 17 » Extraction of Tubular Structures over an Orientation Domain |
VIS
2009
IEEE
14 years 9 months ago
2009
IEEE
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
SEMCO
2007
IEEE
14 years 2 months ago
2007
IEEE
Many recent advances in complex domains such as Natural Language Processing (NLP) have taken a discriminative approach in conjunction with the global application of structural and...
CICLING
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. The purpose of information extraction (IE) is to find desired pieces of information in natural language texts and store them in a form that is suitable for automatic pro...
ENTCS
2002
13 years 8 months ago
2002
The aim of this work is to show that (oriented) matroid methods can be applied to many discrete geometries, namely those based on modules over integral (ordered) domains. The tric...
SIGMOD
2010
ACM
13 years 8 months ago
2010
ACM
Information extraction systems are increasingly being used to mine structured information from unstructured text documents. A commonly used unsupervised technique is to build iter...