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ACCV
1998
Springer
15 years 10 months ago
Automatic Detection and Tracking of Human Heads Using an Active Stereo Vision System
A head tracking system for automatically detecting and tracking human heads in complex backgrounds is developed. In this paper, two issues are addressed: the detection ofhumanhead...
Cheng-Yuan Tang, Yi-Ping Hung, Zen Chen
HT
1998
ACM
15 years 10 months ago
Enforcing Strong Object Typing in Flexible Hypermedia
The presentation layer of hypermedia systems could benefit from standard object querying functionality and this is most effective if strong typing is enforced. By strong typing we...
Pedro Furtado, Henrique Madeira
CSL
1998
Springer
15 years 10 months ago
Revision Programming = Logic Programming + Integrity Constraints
We study revision programming, a logic-based mechanism for enforcing constraints on databases. The central concept of this approach is that of a justi ed revision based on a revisi...
V. Wiktor Marek, Inna Pivkina, Miroslaw Truszczyns...
ER
1998
Springer
106views Database» more  ER 1998»
15 years 10 months ago
Chrono: A Conceptual Design Framework for Temporal Entities
Abstract. Database applications are frequently faced with the necessity of representing time varying information and, particularly in the management of information systems, a few k...
Sonia Bergamaschi, Claudio Sartori
IH
1998
Springer
15 years 10 months ago
Stop-and-Go-MIXes Providing Probabilistic Anonymity in an Open System
Abstract. Currently knownbasic anonymitytechniques dependon identity veri cation. If veri cation of user identities is not possible due to the related management overhead or a gene...
Dogan Kesdogan, Jan Egner, Roland Büschkes
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