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EPIA
2009
Springer
14 years 4 months ago
Topic-Related Polarity Classification of Blog Sentences
Though polarity classification has been extensively explored at various text levels and domains, there has been only comparatively little work looking into topic-related polarity c...
Michael Wiegand, Dietrich Klakow
EPIA
2009
Springer
14 years 4 months ago
Obstacle Detection, Identification and Sharing on a Robotic Soccer Team
When building a representation of the environment for a robot in a multi-agent application, as is the case of robotic soccer, sensor and information fusion of several elements of t...
João Silva, Nuno Lau, António J. R. ...
EPIA
2009
Springer
14 years 4 months ago
Semantic Image Search and Subset Selection for Classifier Training in Object Recognition
Abstract. Robots need to ground their external vocabulary and internal symbols in observations of the world. In recent works, this problem has been approached through combinations ...
Rui Pereira, Luís Seabra Lopes, Augusto Sil...
EPIA
2009
Springer
14 years 4 months ago
Item-Based and User-Based Incremental Collaborative Filtering for Web Recommendations
Abstract. In this paper we propose an incremental item-based collaborative filtering algorithm. It works with binary ratings (sometimes also called implicit ratings), as it is typi...
Catarina Miranda, Alípio Mário Jorge
EPIA
2009
Springer
14 years 4 months ago
Towards a Spatial Model for Humanoid Social Robots
This paper presents an approach to endow a humanoid robot with the capability of learning new objects and recognizing them in an unstructured environment. New objects are learnt, w...
Dario Figueira, Manuel Lopes, Rodrigo M. M. Ventur...
EPIA
2009
Springer
14 years 5 months ago
Control and Monitoring of a Robotic Soccer Team: The Base Station Application
In robotic soccer, teams of autonomous robots play soccer according to rules similar to the official FIFA rules. The game is refereed by a human and his orders are communicated to ...
Nuno M. Figueiredo, António J. R. Neves, Nu...
EPIA
2009
Springer
14 years 7 months ago
Learning Visual Object Categories with Global Descriptors and Local Features
Different types of visual object categories can be found in real-world applications. Some categories are very heterogeneous in terms of local features (broad categories) while oth...
Rui Pereira, Luís Seabra Lopes
EPIA
2009
Springer
14 years 7 months ago
Computing Confidence Values: Does Trust Dynamics Matter?
Computational Trust and Reputation (CTR) systems are platforms capable of collecting trust information about candidate partners and of computing confidence scores for each one of t...
Joana Urbano, Ana Paula Rocha, Eugénio C. O...