Some Recent Publications

2019

MASTER: A Multiple Aspect View on Trajectories. (Ronaldo dos Santos Mello ; Vania Bogorny ; Luis Otavio Alvares ; Luiz H. Z. Santana ; Carlos Andres Ferrero; Angelo Augusto Frozza; Geomar Andre Schreiner; Chiara Renso), Transactions in GIS, 2019 (accepted for publication).

Towards Semantic-Aware Multiple-Aspect Trajectory Similarity Measuring (Lucas M. Petry ; Andres C. Ferrero ; Luis Otavio Alvares ; Chiara Renso;  and Vania Bogorny), Transactions in GIS, 2019 (accepeted for publication).

SMSM: A Similarity Measure for trajectory Stops and Moves (Andre Luis Lehmann; Luis Otavio Alvares;  and Vania Bogorny), International Journal of Geographical Information Science, 2019 (accepted for publication).


2018

MOVELETS: Exploring Relevant Subtrajectories for Robust Trajectory Classification (Carlos Andres Ferrero; Luis Otavio Alvares; Willian Zalewski;  and Vania Bogorny), In: ACMSAC, 2018. Proceedings of the 33 Symposium on Applied Computing, Pau, France, April 9-13, 2018.

A Top-Down Algorithm with Free Distance Parameter for Mining Top-k Flock Patterns (Denis E. Sanches; Luis Otavio Alvares; Vania Bogorny; M.R. Vieira  and Daniel Kaster), In: AGILE, 2018, Sweden. Procedings of the 21st International Conference on Geo-Information Science, 2018.

Unveiling movement uncertainty for robust trajectory similarity analysis (Andre Salvaro Furtado, Luis Otávio Alvares, Nikos Pelekis, Yannis Theodoridis  and Vania Bogorny), International Journal of Geographical Information Science 32(1): 140-168 (2018).


2017

Unusual behavior detection and object ranking from movement trajectories in target regions (Mateus Barragana; Luis Otavio Alvares  and Vania Bogorny), International Journal of Geographical Information Science, 31(2): 364-386 (2017).

Towards Abnormal Trajectory and Event Detection in Video Surveillance (Serhan Cosar; Giuseppe Donatiello; Vania Bogorny; Carolina Garate; Luis Otavio Alvares  and François Bremond), IEEE Transactions on Circuits and Systems for Video Technology, v. PP, p. 1-1, 2017.


2016

Detecting avoidance behaviors between moving object trajectories (Francesco Lettich, Luis Otavio Alvares, Vania Bogorny, Salvatore Orlando, Alessandra Raffaeta  and Claudio Silvestri), Data & Knowledge Engineering, v. 102, p. 22-41, 2016.

Multidimensional Similarity Measuring for Semantic Trajectories (Andre Salvaro Furtado, Despina Kopanaki, Luis Otavio Alvares  and Vania Bogorny), Transactions in GIS (Print), 20(2), p. 280-298, 2016.

Multiple Aspect Trajectory Data Analysis: Research Challenges and Opportunities (Carlos Andres Ferrero, Luis Otavio Alvares  and Vania Bogorny), In GEOINFO 2016, pages: 56-67


2015

Inferring Relationships from Trajectory Data (Areli Santos, Andre Salvaro Furtado, Luis Otavio Alvares, Nikos Pelekis  and Vania Bogorny), GEOINFO 2015, Campos do Jordao. Proceedings of the 16th Simposio Brasileiro de Geoinformatica, 2015. p. 68-79.

A Rule-based Method for Discovering Trajectory Profiles (Lucas de Alencar; Luis Otavio Alvares; Chiara Renso; Alessandra Raffaeta  and Vania Bogorny), Proceedings of the International Conference on Software Engineering and Knowledge Engineering. Saint Pitesburg. EUA: SEKE, 2015. p. 1-6.


2014

CONSTAnT - A Conceptual Data Model for Semantic Trajectories of Moving Objects (Vania Bogorny, Chiara Renso, Artur Ribeiro de Aquino, Fernando de Lucca Siqueira  and Luis Otavio Alvares), Transactions in GIS, Volume 18, Number 1, p. 66-88, 2014.


2013

Towards Semantic Trajectory Outlier Detection. (Artur Ribeiro de Aquino, Luis Otávio Alvares, Chiara Renso   and Vania Bogorny), Geoinfo 2013: 115-126.


2011

Weka-STPM: a Software Architecture and Prototype for Semantic Trajectory Data Mining (Vania Bogorny, Hercules Avancini, Bruno Cesar de Paula, Cassiano Rocha Kuplich  and Luis Otavio Alvares), Transactions in GIS, Volume 15, Number 2, p. 227-248, 2011.

An Algorithm to Identify Avoidance Behavior in Moving Object Trajectories (Luis Otavio Alvares, Alisson M. Loy, Chiara Renso   and Vania Bogorny), Journal of the Brazilian Computer Society, Volume 17, Number 3, p. 193-203, 2011.

TRACTS: Um método para a classificação de trajetórias de objetos móveis usando séries temporais (Irineu Pinheiro dos Santos   and Luis Otavio Alvares), ENIA 2011, Natal, 19-22 July 2011. (in Portuguese)


2010

Semantic-based pruning of redundant and uninteresting frequent geographic patterns (Vania Bogorny, João Valiati  and Luis Otavio Alvares), Geoinformatica,Volume 14, Number 2, p. 201-220, 2010.

Um algoritmo para identificar padrões comportamentais do tipo avoidance em trajetórias de objetos móveis (Alisson M. Loy, Vania Bogorny, Chiara Renso   and Luis Otavio Alvares), GEOINFO 2010, Campos do Jordao, November 2010. (in Portuguese)

A conceptual data model for trajectory data mining (Vania Bogorny, Carlos Heuser   and Luis Otavio Alvares), Sixth International Conference on Geographic Information Science (GIScience 2010), Zurich, September 2010, p.1-14.

DB-SMoT: a Direction-based spatio-temporal clustering method (Jose Antonio Manso, Valeria Times, Gabriel Oliveira, Luis Otavio Alvares   and Vania Bogorny), Proc. of the Fifth IEEE International Conference on Intelligent Systems (IEEE IS 2010), London, 7-9 July 2010.

Weka-STPM: from trajectory samples to semantic trajectories ( Luis Otavio Alvares, Andrey Palma, Gabriel Oliveira   and Vania Bogorny), Proc of the XI Workshop de Sofware Livre, Porto Alegre, 21-24 July 2010, p.164-169.


2009

ST-DMQL: A Semantic Trajectory Data Mining Query Language (Vania Bogorny, Bart Kuijpers  and Luis Otavio Alvares), IJGIS International Journal of Geographical Information Science, 23(10), p.1245-1276, 2009.

Descoberta de Posições Táticas em Ambientes Virtuais com a Utilização de Agrupamentos Espaço-Temporais (Ivan Medeiros Monteiro, Vania Bogorny   and Luis Otavio Alvares), Proc. of the VII Brazilian Symposium on Games and Digital Entertainment, Rio de Janeiro, 8-10 October 2009. p. 45-48. (in Portuguese)

Un mecanismo constructivista para el aprendizaje de anticipaciones en sistemas acoplados agente-ambiente. (Filipo Perotto, Jean-Christophe Buisson   and Luis Otavio Alvares), Proc. of the XXXV Latin American Informatics Conference, Pelotas, 22-25 September 2009. (in Spanish)

Uma Infraestrutura de Teamwork para Ambientes Dinâmicos com Requisitos de Tempo-Real (Ivan Medeiros Monteiro   and Luis Otavio Alvares), Proc. of the SBC ENIA 2009, Bento Goncalves, 21-24 July 2009. (in Portuguese)

Um Mecanismo Construtivista para a Aprendizagem de Estrutura de MDPs Fatorados e Parcialmente Observáveis (Filipo Perotto, Jean-Christophe Buisson   and Luis Otavio Alvares), Proc. of the SBC ENIA 2009, Bento Goncalves, 21-24 July 2009. (in Portuguese)

A framework for Trajectory Preprocessing for Data Mining (Luis Otavio Alvares, Gabriel Oliveira, Carlos Aberto Heuser   and Vania Bogorny), Proc. of the 21st International Symposium on Software Engineering and Knowledge Engineering, (SEKE'09), Boston, 1-3 July 2009.

A Teamwork Infrastructure for Computer Games with Real-Time Requirements (Ivan Medeiros Monteiro   and Luis Otavio Alvares), Proc. of the AAMAS-09 Workshop on Agents for Games and Simulations, Budapest, 11 May 2009.

2008


Reducing Uninteresting Spatial Association Rules in Geographic Databases using Background Knowledge: a Summary of Results (Vania Bogorny, Bart Kuijpers  and Luis Otavio Alvares), IJGIS International Journal of Geographical Information Science, 22(4), p.361-386, 2008.

A Real-Time Proxy for Flexible Teamwork in Dynamic environments (Ivan Monteiro  and Luis Otavio Alvares), Proc. of the VII Brazilian Symposium on Computer Games and Digital Entertainment (SBGames 2008), Belo Horizonte, Brazil, 10-12 November 2008, p.83-90.

A Clustering-based Approach for Discovering Interesting Places in Trajectories (Andrey Palma, Vania Bogorny, Bart Kuijpers  and Luis Otavio Alvares), Proc. of the ACM 23rd Annual Symposium on Applied Computing, (ACM-SAC'08), Fortaleza, Brazil, 16-20 March 2008, p.863-868.

Towards elimination of redundant and well known patterns in spatial association rule mining (Vania Bogorny, João Valiati, Sandro Camargo, Paulo Engel  and Luis Otavio Alvares), In: Intelligent techniques and tools for novel system architectures, Berlin : Springer-Verlag, 2008 p. 343-360 (extended version of IEEE-IS 2006 paper)

2007


A Model for Enriching Trajectories with Semantic Geographical Information (Luis Otavio Alvares, Vania Bogorny, Bart Kuijpers, Jose Antonio F de Macedo, Bart Moelans  and Alejandro Vaisman ), Proc. of the ACM 15th International Symposium on Advances in Geographic Information Systems (ACM-GIS'07), Seattle, Washingthon, 7-9 November 2007, p.162-169.

Constructivist Anticipatory Learning Mechanism (CALM): dealing with partially deterministic and partially observable environments (Felipo Perotto, Jean-Christophe Buisson   and Luis Otavio Alvares), Proc. of the 7th International Conference on Epigenetic Robotics, Rutgers, USA, November 5-7, 2007.

Dynamic Modeling of Trajectory Patterns using Data Mining and Reverse Engineering (Luis Otavio Alvares, Vania Bogorny, Jose A. F. Macedo, Bart Moelans   and Stefano Spaccapietra), Proc. of the 28th International Conference on Conceptual Modeling (ER'07) - Tutorials, Posters, Panels and Industrial Contributions, Auckland, New Zealand, 5-9 November 2007, p.149-154.

Enhancing the Process of Knowledge Discovery in Geographic Databases using Geo-Ontologies (Vania Bogorny, Paulo Engel  and Luis Otavio Alvares), In: H.O. Nigro, S.G. Cisaro, D. Xodo (Ed.). Data Mining with Ontologies: Implementations, Findings, and Frameworks. Idea Group Inc., 2007.

On the Optimal Minimum Global Selection of Service Providers by Isolated Consumer Decision (Mauricio Menegaz, Luciano Kalisewski, Andrey Palma  and Luis Otavio Alvares), Proc. of the SBC ENIA 2007. Rio de Janeiro, Brazil, July 3-6, 2007.

Filtering frequent geographic patterns with qualitative spatial reasoning (Vania Bogorny, Bart Moelans  and Luis Otavio Alvares), Proc. of the IEEE ICDE International Workshop on Spatio-Temporal Data Mining (STDM'07). Istambul, Turkey, April 20, 2007, p.527-535.

Spatial Data Mining: From Theory to Practice with Free Software (Vania Bogorny, Andrey Palma, Bart Kuijpers  and Luis Otavio Alvares), Proc. of WSL International Workshop on Free Software (WSL'07). Porto Alegre, Brazil, 2007, p.205-212.

2006

Mining Maximal Generalized Frequent Geographic Patterns with Knowledge Constraints (Vania Bogorny, João Valiati, Sandro Camargo, Paulo Engel, Bart Kuijpers  and Luis Otavio Alvares), Proc. of the 6^th IEEE International Conference on Data Mining (ICDM 2006), Hong Kong, China, December 18-22, 2006.

Incremental Inductive Learning in a Constructivist Agent (Felipo Perotto  and Luis Otavio Alvares), Proc. of the Twenty-sixth SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence (AI 2006), Cambridge, UK, December 11-13, 2006.

E-commerce recommenders' authority: applying the user's opinion relevance in recommender systems (Silvio Cazella, Eliseo Reategui and Luis Otavio Alvares), Proc. of the XII Brazilian Symposium on Multimedia and the Web, Natal, Brazil, November  19-22, 2006.

Mining Frequent Geographic Patterns with Knowledge Constraints (Vania Bogorny, Sandro Camargo, Paulo Engel  and Luis Otavio Alvares), Proc. of the ACM 14^th International Symposium on Advances in Geographic Information Systems (ACM-GIS'06), Arlington, USA, November 10-11, 2006.

Towards Elimination of Well Known Geographic Patterns in Spatial Association Rule Mining (Vania Bogorny, Sandro Camargo, Paulo Engel  and Luis Otavio Alvares), Proc. of  the 3^rd IEEE Conference On Intelligent Systems, London, UK, Sept. 4-6, 2006.

An Architecture based on multi-agent system and data mining for recommending research papers and researchers (Silvio Cazella and Luis Otavio Alvares), Proc. of the 18^th International Conference on Software Engineering and Knowledge Engineering - SEKE´06, San Francisco, USA, July  5-7, 2006.

GeoARM: an Interoperable Framework to Improve Geographic Data Pre-processing and Spatial Association Rule Mining (Vania Bogorny, Paulo Engel  and Luis Otavio Alvares), Proc. of the 18^th International Conference on Software Engineering and Knowledge Engineering - SEKE´06, San Francisco, USA, July  5-7, 2006.

Learning Environment Regularities with a Constructivist Agent (Filipo Perotto and Luis Otavio Alvares), Proc. of the 5^th Joint Conference on Autonomous Agents and Multiagent Systems - AAMAS´06, Hakodate, Japan, May 8-12, 2006.

Behavior-Based Robotic Architectures for Games (Hugo Pinto and Luis Otavio Alvares), in Game Programming Gems 6, M. Dickheiser Ed., Charles River Media, Boston, USA, 2006.

Constructing a Goal-Oriented Robot for Unreal Tournament Using Fuzzy Sensors, Finite-State Machines, and Extended Behavior Networks (Hugo Pinto and Luis Otavio Alvares), in Game Programming Gems 6, M. Dickheiser Ed., Charles River Media, Boston, USA, 2006.

A Goal-Oriented Unreal Bot: Building a Game Agent with Goal-Oriented Behavior and Simple Personality Using Extended Behavior Networks (Hugo Pinto and Luis Otavio Alvares), in Game Programming Gems 6, M. Dickheiser Ed., Charles River Media, Boston, USA, 2006.

2005

Towards the Reduction of Spatial Joins for Knowledge Discovery in Geographic Databases Using Geo-Ontologies and Spatial Integrity Constraints (Vania Bogorny, Sandro Camargo, Paulo Engel  and Luis Otavio Alvares), Proc. of the ECML/PKDD  Second International Workshop on Knowledge Discovery and Ontologies, Porto, Portugal, Oct. 7, 2005.

An Extended Behavior Network for a Game Agent: An Investigation of Action Selection Quality and Agent Performance in Unreal Tournament (Hugo Pinto and Luis O. Alvares), Proc. of the 4^th Mexicam International Conference on Artificial Intelligence, LNCS 3789, Monterrey, Mexico, Nov. 14-18, 2005.

Combining Data Mining Technique and Users'Relevance Opinion to Build an Efficient Recommender System (Silvio Cazella and Luis Otavio Alvares), Revista Tecnologia da Informação, 5(1), 2005.

Extended Behavior Networks and Agent Personality: Investigating the Design of Character Stereotypes in the Game Unreal Tournament (Hugo Pinto and Luis Otavio Alvares), Proc. of  the 5^th International Conference on Intelligent Virtual Agents, LNCS 3661, Kos, Grece, Sept. 12-14, 2005.

A Reuse-Based Spatial Data Preparation Framework for Data Mining (Vania Bogorny, Paulo Engel  and Luis Otavio Alvares), Proc. of the 17^th International Conference on Software Engineering and Knowledge Engineering - SEKE´05, Taipei, China, July  14-16, 2005.

ChicuxBot - Genetic Algorithm Configured Behaviour Network for Quake II (Francisco José Alegretti and Luis Otavio Alvares), Proceedings SBGAMES 2005 - Brazilian Symposium on Computer Games and Digital Entertainment, São Paulo, Brazil, Nov. 23-25, 2005.

A Alternativa Construtivista em Inteligência Artificial (Filipo Perotto and Luis Otavio Alvares), Proc. of the XXXI Conferência Latino Americana de Informatica, Cali, Colombia, Oct. 10-14, 2005 (in portuguese).

IGR-ANNOT: A Multi-agent System for InterGenic Regions Annotation (Sandro Camargo, João Valiatti, Luis Otavio Alvares and Paulo Engel), Proc. of the First International Symposium on  Mathematical and Computational Biology, Ilheus, Brazil, 2004.

An Autonomous Intelligent Agent Architecture Based on Constructivist AI (Filipo Perotto, Rosa Viccari and Luis Otavio Alvares), Proc. of the First International Conference on Artificial intelligence Applications and Innovations - IFIP 18th World Computer Congress, Toulouse, France, 2004.