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CVPR
2007
IEEE
15 years 29 days ago
The Hyperbolic Geometry of Illumination-Induced Chromaticity Changes
The non-negativity of color signals implies that they span a conical space with a hyperbolic geometry. We use perspective projections to separate intensity from chromaticity, and ...
Reiner Lenz, Pedro Latorre Carmona, Peter Meer
ICDE
2007
IEEE
149views Database» more  ICDE 2007»
15 years 9 days ago
Optimizing Timestamp Management in Data Stream Management Systems
It has long been recognized that multi-stream operators, such as union and join, often have to wait idly in a temporarily blocked state, as a result of skews between the timestamp...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
VLDB
2007
ACM
139views Database» more  VLDB 2007»
14 years 11 months ago
FuSem - Exploring Different Semantics of Data Fusion
Data fusion is the final step of a typical data integration process, after schematic conflicts have been overcome and after duplicates have been correctly identified. We present t...
Jens Bleiholder, Karsten Draba, Felix Naumann
SIGMOD
2007
ACM
137views Database» more  SIGMOD 2007»
14 years 11 months ago
Intensional associations between data and metadata
There is a growing need to associate a variety of metadata with the underlying data, but a simple, elegant approach to uniformly model and query both the data and the metadata has...
Divesh Srivastava, Yannis Velegrakis
APSCC
2007
IEEE
14 years 5 months ago
ID-Based Key Agreement for Dynamic Peer Groups in Mobile Computing Environments
In order to secure communications for dynamic peer groups in mobile computing environments, key agreement protocols are required. In this paper, we propose a new key agreement pro...
Raylin Tso, Xun Yi, Eiji Okamoto