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GRAPHITE
2004
ACM
14 years 1 months ago
A new fractal-based approach for 3D visualization of mountains in VRML standard
Several factors currently limit the size of Virtual Reality Modeling Language (VRML) models that can be effectively visualized over the Web. Main factors include network bandwidth...
Mohsen Sharifi, Fatemeh Hashemi Golpaygani, Mehdi ...
SIGMOD
2004
ACM
153views Database» more  SIGMOD 2004»
14 years 1 months ago
Spatially-decaying aggregation over a network: model and algorithms
Data items are often associated with a location in which they are present or collected, and their relevance or in uence decays with their distance. Aggregate values over such data...
Edith Cohen, Haim Kaplan
CIKM
2004
Springer
14 years 1 months ago
Approximating the top-m passages in a parallel question answering system
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
Charles L. A. Clarke, Egidio L. Terra
ECCV
2004
Springer
14 years 1 months ago
Robust Encoding of Local Ordinal Measures: A General Framework of Iris Recognition
Abstract. The randomness of iris pattern makes it one of the most reliable biometric traits. On the other hand, the complex iris image structure and various sources of intra-class ...
Zhenan Sun, Tieniu Tan, Yunhong Wang
ESORICS
2004
Springer
14 years 1 months ago
Portable and Flexible Document Access Control Mechanisms
We present and analyze portable access control mechanisms for large data repositories, in that the customized access policies are stored on a portable device (e.g., a smart card). ...
Mikhail J. Atallah, Marina Bykova