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ECCV
2004
Springer
15 years 12 months ago
Principal Geodesic Analysis on Symmetric Spaces: Statistics of Diffusion Tensors
Diffusion tensor magnetic resonance imaging (DT-MRI) is emerging as an important tool in medical image analysis of the brain. However, relatively little work has been done on produ...
P. Thomas Fletcher, Sarang C. Joshi
ICSNW
2004
Springer
238views Database» more  ICSNW 2004»
15 years 12 months ago
Knowledge Sifter: Agent-Based Ontology-Driven Search over Heterogeneous Databases Using Semantic Web Services
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...
Larry Kerschberg, Mizan Chowdhury, Alberto Damiano...
ISW
2004
Springer
15 years 12 months ago
A Hierarchical Key-Insulated Signature Scheme in the CA Trust Model
In key-insulated cryptography, there are many private keys with different indexes and a single, fixed public key. When the trust model includes multiple Certification Authoritie...
Zhengyi Le, Yi Ouyang, James Ford, Fillia Makedon
KR
2004
Springer
15 years 12 months ago
Reasoning about Knowledge by Variable Forgetting
In this paper, we investigate knowledge reasoning within a simple framework called knowledge structure. We use variable forgetting as a basic operation for one agent to reason abo...
Kaile Su, Guanfeng Lv, Yan Zhang
MFCS
2004
Springer
15 years 12 months ago
Complexity of Decision Problems for Simple Regular Expressions
We study the complexity of the inclusion, equivalence, and intersection problem for simple regular expressions arising in practical XML schemas. These basically consist of the conc...
Wim Martens, Frank Neven, Thomas Schwentick