Dr Paulo E. Santos

20002022

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  • 2020

    Spatial reasoning about string loops and holes in temporal asp

    Cabalar, P. & Santos, P. E., 2020, 17th International Conference on Principles of Knowledge Representation and Reasoning, KR 2020. Calvanese, D., Erdem, E. & Thielscher, M. (eds.). International Joint Conference on Artificial Intelligence (IJCAI), p. 181-191 11 p. (17th International Conference on Principles of Knowledge Representation and Reasoning, KR 2020; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Open Access
  • 2019

    Solving Safety Problems with Ensemble Reinforcement Learning

    Ferreira, L. A., dos Santos, T. F., Bianchi, R. A. C. & Santos, P. E., 2019, AI 2019: Advances in Artificial Intelligence - 32nd Australasian Joint Conference, 2019, Proceedings. Liu, J. & Bailey, J. (eds.). Cham, Switzerland: Springer , p. 203-214 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11919 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  • 2018

    A method for the online construction of the set of states of a Markov decision process using answer set programming

    Ferreira, L. A., Bianchi, R. A. C., Santos, P. E. & de Mantaras, R. L., 30 May 2018, Recent Trends and Future Technology in Applied Intelligence - 31st International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2018, Proceedings. Ait Mohamed, O., Mouhoub, M., Sadaoui, S. & Ali, M. (eds.). Springer-Verlag, p. 3-15 13 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10868 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)
  • Solving a spatial puzzle using answer set programming integrated with Markov decision process

    Freitas Dos Santos, T., Santos, P., Ferreira, L., Bianchi, R. & Cabalar, P., 17 Dec 2018, Proceedings - 2018 Brazilian Conference on Intelligent Systems, BRACIS 2018. Institute of Electrical and Electronics Engineers Inc., p. 528-533 6 p. 8575668. (Proceedings - 2018 Brazilian Conference on Intelligent Systems, BRACIS 2018).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)
  • 2017

    A hybrid approach to learn, retrieve and reuse qualitative cases

    Homem, T. P. D., Perico, D. H., Santos, P. E., Costa, A. H. R., Bianchi, R. A. C. & Lopez de Mantaras, R., 15 Dec 2017, Proceedings - 2017 LARS 14th Latin American Robotics Symposium and 2017 5th SBR Brazilian Symposium on Robotics, LARS-SBR 2017 - Part of the Robotics Conference 2017. Tonidandel, F. & Todt, E. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 1-6 6 p. (Proceedings - 2017 LARS 14th Latin American Robotics Symposium and 2017 5th SBR Brazilian Symposium on Robotics, LARS-SBR 2017 - Part of the Robotics Conference 2017; vol. 2017-December).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)
  • Consistency check in a multiple viewpoint system for reasoning about occlusion

    Martin, A. P., Santos, P. E. & Safi-Samghabadi, M., 4 Jun 2017, (E-pub ahead of print) Advances in Artificial Intelligence: From Theory to Practice - 30th International Conference on Industrial Engineering and Other Applications of Applied Intelligent Systems, IEA/AIE 2017, Proceedings. Ali, M., Benferhat, S. & Tabia, K. (eds.). Springer-Verlag, Vol. 10350. p. 523-532 10 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10350 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)
  • Improving reinforcement learning results with qualitative spatial representation

    Homem, T. P. D., Perico, D. H., Santos, P. E., Costa, A. H. R. & Da Costa Bianchi, R. A., 28 Jun 2017, Proceedings - 2017 Brazilian Conference on Intelligent Systems, BRACIS 2017. Institute of Electrical and Electronics Engineers Inc., p. 151-156 6 p. (Proceedings - 2017 Brazilian Conference on Intelligent Systems, BRACIS 2017; vol. 2018-January).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)
  • 2016

    An occlusion calculus based on an interval algebra

    Santos, P. E., Ligozat, G. & Safi-Samghabad, M., 3 Mar 2016, Proceedings - 2015 Brazilian Conference on Intelligent Systems, BRACIS 2015. Institute of Electrical and Electronics Engineers Inc., p. 128-133 6 p. (Proceedings - 2015 Brazilian Conference on Intelligent Systems, BRACIS 2015).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    6 Citations (Scopus)
  • Communication of spatial expressions on multi-agent systems using the qualitative Ego-Sphere

    Rodrigues, F. M. E., Santos, P. E. & Lopes, M., 7 Jul 2016, 12th IEEE International Conference on Control and Automation, ICCA 2016. Institute of Electrical and Electronics Engineers Inc., p. 25-30 6 p. 7505247. (IEEE International Conference on Control and Automation, ICCA; vol. 2016-July).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)
  • Qualitative case-based reasoning for humanoid robot soccer: A new retrieval and reuse algorithm

    Homem, T. P. D., Perico, D. H., Santos, P. E., Bianchi, R. A. C. & de Mantaras, R. L., 29 Sep 2016, Case-Based Reasoning Research and Development - 24th International Conference, ICCBR 2016, Proceedings. Belen Diaz-Agudo, M., Roth-Berghofer, T. & Goel, A. (eds.). Springer-Verlag, p. 170-185 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9969 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    10 Citations (Scopus)
  • Transfer Learning Heuristically Accelerated Algorithm: A Case Study with Real Robots

    Celiberto, L. A., Bianchi, R. A. C. & Santos, P. E., 15 Dec 2016, Proceedings - 13th Latin American Robotics Symposium and 4th Brazilian Symposium on Robotics, LARS/SBR 2016. Cavalcante, S. V. & Tonidandel, F. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 311-316 6 p. 7783545. (Proceedings - 13th Latin American Robotics Symposium and 4th Brazilian Symposium on Robotics, LARS/SBR 2016).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    5 Citations (Scopus)
  • Vision-Based Monte Carlo Localization without Measurement: A Qualitative Approach during Update Phase

    Perico, D. H., Santos, P. E. & Bianchi, R. A. C., 11 Feb 2016, Proceedings - 12th LARS Latin American Robotics Symposium and 3rd SBR Brazilian Robotics Symposium, LARS-SBR 2015 - Part of the Robotics Conferences 2015. Goncalves, R. S., Macharet, D. G., Osorio, F. S., Campos, M. F. M. & Carvalho, J. C. M. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 216-221 6 p. 7402168. (Proceedings - 12th LARS Latin American Robotics Symposium and 3rd SBR Brazilian Robotics Symposium, LARS-SBR 2015 - Part of the Robotics Conferences 2015).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)
  • 2015

    Perceptual narratives of space and motion for semantic interpretation of visual data

    Suchan, J., Bhatt, M. & Santos, P. E., 20 Mar 2015, Computer Vision - ECCV 2014 Workshops, Proceedings. Rother, C., Bronstein, M. M. & Agapito, L. (eds.). Cham: Springer-Verlag, p. 339-354 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 8926).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    10 Citations (Scopus)
  • Spatial occlusion within an interval algebra

    Ligozat, G. & Santos, P. E., 1 Jan 2015, Logical Formalizations of Commonsense Reasoning: Papers from the AAAI Spring Symposium, Technical Report. AI Access Foundation, p. 103-106 4 p. (AAAI Spring Symposium - Technical Report; vol. SS-15-04).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Open Access
    File
    2 Citations (Scopus)
    8 Downloads (Pure)
  • 2014

    Probabilistic logic for multi-robot event recognition

    Gurzoni, J. A., Santos, P. E., Martins, M. F. & Cozman, F. G., Mar 2014, Qualitative Representations for Robots: Papers from the AAAI Spring Symposium, Technical Report. AI Access Foundation, p. 50-56 7 p. (AAAI Spring Symposium - Technical Report; vol. SS-14-06).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Open Access
  • 2013

    An investigation of actions, change and space

    Santos, P. E. & Cabalar, P., 13 Dec 2013, ICAPS 2013 - Proceedings of the 23rd International Conference on Automated Planning and Scheduling. p. 484-485 2 p. (ICAPS 2013 - Proceedings of the 23rd International Conference on Automated Planning and Scheduling).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    3 Citations (Scopus)
  • A Qualitative-Probabilistic Approach to Autonomous Mobile Robot Self Localisation and Self Vision Calibration

    Pereira, V. F., Cozman, F. G., Santos, P. E. & Martins, M. F., 2013, 2013 Brazilian Conference on Intelligent Systems. Fortaleza: Institute of Electrical and Electronics Engineers Inc., p. 157-162 6 p. 6726442

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    6 Citations (Scopus)
  • PID, LQR and LQR-PID on a quadcopter platform

    Argentim, L. M., Rezende, W. C., Santos, P. E. & Aguiar, R. A., 1 Aug 2013, 2013 International Conference on Informatics, Electronics and Vision (ICIEV). Institute of Electrical and Electronics Engineers Inc., 6572698

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    125 Citations (Scopus)
  • Probabilistic logic for multi-robot event recognition

    Gurzoni, J. A., Santos, P. E., Martins, M. F. & Cozman, F. G., 1 Dec 2013, 2013 IEEE International Symposium on Safety, Security, and Rescue Robotics, SSRR 2013. 2 p. 6719383. (2013 IEEE International Symposium on Safety, Security, and Rescue Robotics, SSRR 2013).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

  • 2011

    Probabilistic Logic Reasoning about Traffic Scenes

    Souza, C. R. C. & Santos, P. E., 20 Sep 2011, Towards Autonomous Robotic Systems: 12th Annual Conference, TAROS 2011, Sheffield, UK, August 31 – September 2, 2011. Proceedings. Springer , p. 219-230 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 6856 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    1 Citation (Scopus)
  • 2010

    Knowledge-based adaptive thresholding from shadows

    Santos, P., Dee, H. M. & Fenelon, V., 1 Jan 2010, ECAI 2010: 19th European Conference on Artificial Intelligence. IOS PRESS, p. 1089-1090 2 p. (Frontiers in Artificial Intelligence and Applications; vol. 215).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Open Access
    File
    1 Downloads (Pure)
  • 2009

    Qualitative robot localisation using information from cast shadows

    Santos, P., Dee, H. M. & Fenelon, V., 2 Nov 2009, 2009 IEEE International Conference on Robotics and Automation, ICRA '09. p. 220-225 6 p. 5152199. (Proceedings - IEEE International Conference on Robotics and Automation).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    9 Citations (Scopus)
  • 2008

    Reasoning about dynamic depth profiles

    Soutchanski, M. & Santos, P., Jun 2008, Frontiers in Artificial Intelligence and Applications. IOS PRESS, Vol. 178. p. 30-34 5 p. (Frontiers in Artificial Intelligence and Applications; vol. 178).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Open Access
    File
    3 Citations (Scopus)
    1 Downloads (Pure)
  • 2007

    Holes, knots and shapes: A spatial ontology of a puzzle

    Santos, P. & Cabalar, P., 28 Dec 2007, Logical Formalizations of Commonsense Reasoning - Papers from the 2007 AAAI Spring Symposium, Technical Report. p. 144-149 6 p. (AAAI Spring Symposium - Technical Report; vol. SS-07-05).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    3 Citations (Scopus)
  • 2006

    Cognitive vision: Integrating symbolic qualitative representations with computer vision

    Cohn, A. G., Hogg, D. C., Bennett, B., Devin, V., Galata, A., Magee, D. R., Needham, C. & Santos, P., 1 Dec 2006, Cognitive Vision Systems: Sampling the Spectrum of Approaches. Christensen, H. & Nagel, H-H. (eds.). Germany: Springer-Verlag, p. 221-246 26 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 3948 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    14 Citations (Scopus)
  • Predictive and descriptive approaches to learning game rules from vision data

    Santos, P., Colton, S. & Magee, D., 1 Jan 2006, Advances in Artificial Intelligence - IBERAMIA-SBIA 2006 - 2nd International Joint Conference, 10th Ibero-American Conference on AI, 18th Brazilian AI Symposium, Proceedings. Simao Sichman, J., Coelho, H. & Oliveira Rezende, S. (eds.). Berlin: Springer-Verlag, p. 349-359 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4140 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    6 Citations (Scopus)
  • Strings and holes: An exercise on spatial reasoning

    Cabalar, P. & Santos, P., 1 Jan 2006, Advances in Artificial Intelligence - IBERAMIA-SBIA 2006 - 2nd International Joint Conference, 10th Ibero-American Conference on AI, 18th Brazilian AI Symposium, Proceedings. Sichman, J. S., Coelho, H. & Rezende, S. O. (eds.). Germany: Springer-Verlag, p. 419-429 11 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 4140 LNAI).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    10 Citations (Scopus)
  • 2004

    Combining multiple answers for learning mathematical structures from visual observation

    Santos, P., Magee, D., Cohn, A. & Hogg, D., 2004, ECAI 2004: Proceedings of the 16th European Conference on Artificial Intelligence. de Mantaras, R. L. & Saitta, L. (eds.). IOS PRESS, p. 544-548 5 p. (Frontiers in Artificial Intelligence and Applications; vol. 110).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    4 Citations (Scopus)
  • 2000

    The Nature of Knowledge in an Abductive Event Calculus Planner

    De Barros, L. N. & Santos, P. E., 1 Jan 2000, Knowledge Engineering and Knowledge Management Methods, Models, and Tools: 12th International Conference, EKAW 2000 Juan-les-Pins, France, October 2–6, 2000 Proceedings. Dieng, R. & Corby, O. (eds.). Springer-Verlag, p. 328-343 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 1937).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    2 Citations (Scopus)