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CHI
2004
ACM
16 years 1 months ago
Communicating emotions in online chat using physiological sensors and animated text
We present a chat system that uses animated text associated with emotional information to show the affective state of the user. The system obtains the affective state of a chat us...
Hua Wang, Helmut Prendinger, Takeo Igarashi
107
Voted
SIGIR
2006
ACM
15 years 6 months ago
LDA-based document models for ad-hoc retrieval
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
Xing Wei, W. Bruce Croft
92
Voted
PODS
2010
ACM
184views Database» more  PODS 2010»
15 years 5 months ago
Universally optimal privacy mechanisms for minimax agents
A scheme that publishes aggregate information about sensitive data must resolve the trade-off between utility to information consumers and privacy of the database participants. D...
Mangesh Gupte, Mukund Sundararajan
117
Voted
SIGIR
2010
ACM
15 years 29 days ago
SED: supervised experimental design and its application to text classification
In recent years, active learning methods based on experimental design achieve state-of-the-art performance in text classification applications. Although these methods can exploit ...
Yi Zhen, Dit-Yan Yeung
CCS
2005
ACM
15 years 6 months ago
PeerAccess: a logic for distributed authorization
This paper introduces the PeerAccess framework for reasoning about authorization in open distributed systems, and shows how a parameterization of the framework can be used to reas...
Marianne Winslett, Charles C. Zhang, Piero A. Bona...