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15th EPIA 2011: Lisbon, Portugal
- Luis Antunes

, Helena Sofia Pinto
:
Progress in Artificial Intelligence, 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, Lisbon, Portugal, October 10-13, 2011. Proceedings. Lecture Notes in Computer Science 7026, Springer 2011, ISBN 978-3-642-24768-2
Affective Computing
- Daniel Loureiro, Goreti Marreiros

, José Neves
:
Sentiment Analysis of News Titles - The Role of Entities and a New Affective Lexicon. 1-14
Ambient Intelligence Environments
- Ricardo Anacleto

, Lino Figueiredo
, Paulo Novais
, Ana de Almeida
:
Providing Location Everywhere. 15-28 - Inmaculada Ayala, Mercedes Amor Pinilla, Lidia Fuentes

:
Modeling Context-Awareness in Agents for Ambient Intelligence: An Aspect-Oriented Approach. 29-43 - Davide Carneiro

, Marco Gomes
, Paulo Novais
, José Neves
:
Developing Dynamic Conflict Resolution Models Based on the Interpretation of Personal Conflict Styles. 44-58 - Dante I. Tapia, Fernando De la Prieta

, Sara Rodríguez-González
, Javier Bajo
, Juan M. Corchado
:
Organizations of Agents in Information Fusion Environments. 59-70
Artificial Intelligence Methodologies for Games
- Marco Santos, Carlos Martinho

:
Wasp-Like Agents for Scheduling Production in Real-Time Strategy Games. 71-82
Artificial Intelligence in Transportation Systems
- Bruno Aguiar, José Torres, António J. M. Castro

:
Operational Problems Recovery in Airlines - A Specialized Methodologies Approach. 83-97 - Jorge Alpedrinha Ramos, Luís Paulo Reis

, Dulce Pedrosa:
Solving Heterogeneous Fleet Multiple Depot Vehicle Scheduling Problem as an Asymmetric Traveling Salesman Problem. 98-109
Artificial Life and Evolutionary Algorithms
- Douglas Adriano Augusto, Helio J. C. Barbosa, André da Motta Salles Barreto, Heder S. Bernardino

:
Evolving Numerical Constants in Grammatical Evolution with the Ephemeral Constant Method. 110-124 - Tiago R. Baptista

, Ernesto Costa
:
The Evolution of Foraging in an Open-Ended Simulation Environment. 125-137 - Mauro Castelli

, Luca Manzoni
, Leonardo Vanneschi
:
A Method to Reuse Old Populations in Genetic Algorithms. 138-152 - Miguel Duarte, Anders Lyhne Christensen

, Sancho Oliveira
:
Towards Artificial Evolution of Complex Behaviors Observed in Insect Colonies. 153-167 - Carlos Grilo

, Luís Correia
:
Network Regularity and the Influence of Asynchronism on the Evolution of Cooperation. 168-181 - Rui L. Lopes

, Ernesto Costa
:
The Squares Problem and a Neutrality Analysis with ReNCoDe. 182-195 - Paulo B. de Moura Oliveira

, Eduardo José Solteiro Pires
, José Boaventura Cunha
:
Particle Swarm Optimization for Gantry Control: A Teaching Experiment. 196-207 - Lidia Yamamoto, Wolfgang Banzhaf, Pierre Collet:

Evolving Reaction-Diffusion Systems on GPU. 208-223
Computational Logic with Applications
- David Insa, Josep Silva

:
Optimal Divide and Query. 224-238 - João Raimundo, Ricardo Rocha

:
A Subterm-Based Global Trie for Tabled Evaluation of Logic Programs. 239-253
General Artificial Intelligence
- Han The Anh

, Luís Moniz Pereira:
Intention-Based Decision Making with Evolution Prospection. 254-267 - Luís Barreira, Sofia Cavaco

, Joaquim Ferreira da Silva
:
Unsupervised Music Genre Classification with a Model-Based Approach. 268-281 - Carlos Abreu Ferreira, João Gama

, Vítor Santos Costa
:
Constrained Sequential Pattern Knowledge in Multi-relational Learning. 282-296 - Francisco Guil-Reyes, María Teresa Daza-Gonzalez:

Summarizing Frequent Itemsets via Pignistic Transformation. 297-310 - Adán José García

, Hillel Romero-Monsivais, Cindy G. Hernandez-Morales, Arturo Rodríguez-Cristerna, Ivan Rivera-Islas, José Torres-Jiménez
:
A Simulated Annealing Algorithm for the Problem of Minimal Addition Chains. 311-325 - André Susano Pinto, Andrzej Pronobis, Luís Paulo Reis

:
Novelty Detection Using Graphical Models for Semantic Room Classification. 326-339
Intelligent Robotics
- Abbas Abdolmaleki, Mostafa Movahedi, Sajjad Salehi, Nuno Lau

, Luís Paulo Reis
:
A Reinforcement Learning Based Method for Optimizing the Process of Decision Making in Fire Brigade Agents. 340-351 - Edgar Domingues, Nuno Lau

, Bruno Pimentel, Nima Shafii
, Luís Paulo Reis
, António J. R. Neves
:
Humanoid Behaviors: From Simulation to a Real Robot. 352-364 - José Angelo Gurzoni, Flavio Tonidandel

, Reinaldo A. C. Bianchi
:
Market-Based Dynamic Task Allocation Using Heuristically Accelerated Reinforcement Learning. 365-376 - Andry Maykol Pinto

, Luís Freitas Rocha
, António Paulo Moreira
, Paulo Gomes Costa
:
Shop Floor Scheduling in a Mobile Robotic Environment. 377-391 - Paulo Sousa, João Lobato Oliveira

, Luís Paulo Reis
, Fabien Gouyon
:
Humanized Robot Dancing: Humanoid Motion Retargeting Based in a Metrical Representation of Human Dance Styles. 392-406
Knowledge Discovery and Business Intelligence
- Ning Chen, Bernardete Ribeiro

, Armando Vieira
:
Bankruptcy Trajectory Analysis on French Companies Using Self-Organizing Map. 407-417 - Sarvenaz Choobdar, Fernando M. A. Silva

, Pedro Manuel Pinto Ribeiro
:
Network Node Label Acquisition and Tracking. 418-430 - Catarina Moreira

, Pável Calado
, Bruno Martins
:
Learning to Rank for Expert Search in Digital Libraries of Academic Publications. 431-445 - Susana Nascimento

, Rui Felizardo, Boris G. Mirkin
:
Thematic Fuzzy Clusters with an Additive Spectral Approach. 446-461 - Hugo Gonçalo Oliveira

, Paulo Gomes:
Automatically Enriching a Thesaurus with Information from Dictionaries. 462-475 - Márcia D. B. Oliveira

, João Gama
:
Visualizing the Evolution of Social Networks. 476-490 - Joaquim Tinoco

, António Gomes Correia
, Paulo Cortez
:
Using Data Mining Techniques to Predict Deformability Properties of Jet Grouting Laboratory Formulations over Time. 491-505
Multi-Agent Systems: Theory and Applications
- Wojciech Jamroga

, Matthijs Melissen:
Doubtful Deviations and Farsighted Play. 506-520 - Luís Macedo

, Miguel Tavares, Pedro Gaspar, Amílcar Cardoso
:
Uncertainty and Novelty-Based Selective Attention in the Collaborative Exploration of Unknown Environments. 521-535 - Joana Urbano, Ana Paula Rocha

, Eugénio C. Oliveira
:
A Dynamic Agents' Behavior Model for Computational Trust. 536-550 - Bozena Wozna-Szczesniak

, Agnieszka Zbrzezny
, Andrzej Zbrzezny
:
The BMC Method for the Existential Part of RTCTLK and Interleaved Interpreted Systems. 551-565
Social Simulation and Modeling
- Pedro Catré, Luís Cardoso, Luís Macedo

, Amílcar Cardoso
:
Building Spatiotemporal Emotional Maps for Social Systems. 566-580
Text Mining and Applications
- Ricardo Campos

, Gaël Dias, Alípio Jorge
:
An Exploratory Study on the Impact of Temporal Features on the Classification and Clustering of Future-Related Web Documents. 581-596 - Hernani Pereira Costa, Hugo Gonçalo Oliveira

, Paulo Gomes:
Using the Web to Validate Lexico-Semantic Relations. 597-609 - Pablo Gamallo

, Marcos García
:
A Resource-Based Method for Named Entity Extraction and Classification. 610-623 - Luís Gomes

, José Gabriel Pereira Lopes
:
Measuring Spelling Similarity for Cognate Identification. 624-633 - Gustavo Laboreiro, Luís Sarmento, Eugénio C. Oliveira

:
Identifying Automatic Posting Systems in Microblogs. 634-648 - António Paulo-Santos, Carlos Ramos

, Nuno C. Marques
:
Determining the Polarity of Words through a Common Online Dictionary. 649-663 - Jorge Teixeira

, Luís Sarmento, Eugénio C. Oliveira
:
A Bootstrapping Approach for Training a NER with Conditional Random Fields. 664-678
Doctoral Symposium on Artificial Intelligence
- Luís M. T. Baptista

, Francisco Azevedo:
Domain-Splitting Generalized Nogoods from Restarts. 679-689 - Ana Sofia Gomes

, José Júlio Alferes
:
A Proposal for Transactions in the Semantic Web. 690-703

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