Sciweavers

AAAI
2015
8 years 8 months ago
Extracting Verb Expressions Implying Negative Opinions
Identifying aspect-based opinions has been studied extensively in recent years. However, existing work primarily focused on adjective, adverb, and noun expressions. Clearly, verb ...
Huayi Li, Arjun Mukherjee, Jianfeng Si, Bing Liu 0...
AAAI
2015
8 years 8 months ago
Hedonic Coalition Formation in Networks
Coalition formation is a fundamental problem in the organization of many multi-agent systems. In large populations, the formation of coalitions is often restricted by structural v...
Martin Hoefer, Daniel Vaz, Lisa Wagner
AAAI
2015
8 years 8 months ago
R1SVM: A Randomised Nonlinear Approach to Large-Scale Anomaly Detection
The problem of unsupervised anomaly detection arises in a wide variety of practical applications. While one-class support vector machines have demonstrated their effectiveness as ...
Sarah M. Erfani, Mahsa Baktashmotlagh, Sutharshan ...
AAAI
2015
8 years 8 months ago
Automatic Topic Discovery for Multi-Object Tracking
This paper proposes a new approach to multi-object tracking by semantic topic discovery. We dynamically cluster frame-by-frame detections and treat objects as topics, allowing the...
Wenhan Luo, Björn Stenger, Xiaowei Zhao, Tae-...
AAAI
2015
8 years 8 months ago
Towards Knowledge-Driven Annotation
While the Web of data is attracting increasing interest and rapidly growing in size, the major support of information on the surface Web are still multimedia documents. Semantic a...
Yassine Mrabet, Claire Gardent, Muriel Foulonneau,...
AAAI
2015
8 years 8 months ago
Multi-Document Summarization Based on Two-Level Sparse Representation Model
Multi-document summarization is of great value to many real world applications since it can help people get the main ideas within a short time. In this paper, we tackle the proble...
He Liu, Hongliang Yu, Zhi-Hong Deng
AAAI
2015
8 years 8 months ago
Stable Model Counting and Its Application in Probabilistic Logic Programming
Model counting is the problem of computing the number of models that satisfy a given propositional theory. It has recently been applied to solving inference tasks in probabilistic...
Rehan Abdul Aziz, Geoffrey Chu, Christian J. Muise...
AAAI
2015
8 years 8 months ago
Estimating Temporal Dynamics of Human Emotions
Sentiment analysis predicts a one-dimensional quantity describing the positive or negative emotion of an author. Mood analysis extends the one-dimensional sentiment response to a ...
Seungyeon Kim, Joonseok Lee, Guy Lebanon, Haesun P...
AAAI
2015
8 years 8 months ago
A Stochastic Model for Detecting Heterogeneous Link Communities in Complex Networks
Discovery of communities in networks is a fundamental data analysis problem. Most of the existing approaches have focused on discovering communities of nodes, while recent studies...
Dongxiao He, Dayou Liu, Di Jin, Weixiong Zhang