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ER
1999
Springer
160views Database» more  ER 1999»
13 years 12 months ago
Developing an Object-Oriented Video Database System with Spatio-Temporal Reasoning Capabilities
Video data management (VDM) is fast becoming one of seminar topics in multimedia information systems. In VDM systems, there exists an important need for novel techniques and mechan...
Shermann S.-M. Chan, Qing Li
MIS
1999
Springer
193views Multimedia» more  MIS 1999»
13 years 12 months ago
Facilitating Spatio-Temporal Operations in a Versatile Video Database System
In a video database, large amount of information involving video, audio, and/or images needs to be stored and managed. Therefore, there is an important need for novel techniques a...
Shermann S.-M. Chan, Qing Li
PET
2009
Springer
14 years 2 months ago
Vida: How to Use Bayesian Inference to De-anonymize Persistent Communications
We present the Vida family of abstractions of anonymous communication systems, model them probabilistically and apply Bayesian inference to extract patterns of communications and u...
George Danezis, Carmela Troncoso
CCS
2009
ACM
13 years 11 months ago
The bayesian traffic analysis of mix networks
This work casts the traffic analysis of anonymity systems, and in particular mix networks, in the context of Bayesian inference. A generative probabilistic model of mix network ar...
Carmela Troncoso, George Danezis
CORR
2008
Springer
127views Education» more  CORR 2008»
13 years 7 months ago
Comparing and Combining Methods for Automatic Query Expansion
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
José R. Pérez-Agüera, Lourdes A...