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IJCAI
2007
13 years 6 months ago
Combining Topological and Directional Information for Spatial Reasoning
Current research on qualitative spatial representation and reasoning usually focuses on one single aspect of space. However, in real world applications, several aspects are often ...
Sanjiang Li
IJCAI
2007
13 years 6 months ago
Bayesian Inverse Reinforcement Learning
Inverse Reinforcement Learning (IRL) is the problem of learning the reward function underlying a Markov Decision Process given the dynamics of the system and the behaviour of an e...
Deepak Ramachandran, Eyal Amir
IJCAI
2007
13 years 6 months ago
ProbLog: A Probabilistic Prolog and Its Application in Link Discovery
We introduce ProbLog, a probabilistic extension of Prolog. A ProbLog program defines a distribution over logic programs by specifying for each clause the probability that it belo...
Luc De Raedt, Angelika Kimmig, Hannu Toivonen
IJCAI
2007
13 years 6 months ago
Inferring Long-term User Properties Based on Users' Location History
Recent development of location technologies enables us to obtain the location history of users. This paper proposes a new method to infer users’ longterm properties from their r...
Yutaka Matsuo, Naoaki Okazaki, Kiyoshi Izumi, Yosh...
IJCAI
2007
13 years 6 months ago
Qualitative Temporal Reasoning about Vague Events
The temporal boundaries of many real–world events are inherently vague. In this paper, we discuss the problem of qualitative temporal reasoning about such vague events. We show ...
Steven Schockaert, Martine De Cock, Etienne E. Ker...
IJCAI
2007
13 years 6 months ago
A Multiobjective Frontier Search Algorithm
Lawrence Mandow, José-Luis Pérez-de-...
IJCAI
2007
13 years 6 months ago
Estimating the Rate of Web Page Updates
Estimating the rate of Web page updates helps in improving the Web crawler’s scheduling policy. But, most of the Web sources are autonomous and updated independently. Clients li...
Sanasam Ranbir Singh
IJCAI
2007
13 years 6 months ago
Robust Object Tracking with a Case-Base Updating Strategy
The paper describes a simple but effective framework for visual object tracking in video sequences. The main contribution of this work lies in the introduction of a case-based rea...
Wenhui Liao, Yan Tong, Zhiwei Zhu, Qiang Ji
IJCAI
2007
13 years 6 months ago
Learning to Count by Think Aloud Imitation
Although necessary, learning to discover new solutions is often long and difficult, even for supposedly simple tasks such as counting. On the other hand, learning by imitation pr...
Laurent Orseau