Dr. Odinaldo Rodrigues

Research interests

My research interests currently revolve around aspects related to Artificial Intelligence, especially in all aspects of the formalisation of common-sense reasoning. These include belief revision, abduction, argumentation theory, machine learning, probabilistic reasoning and non-monotonic reasoning in general.

I work both with the theoretical aspects AI, e.g., foundations of AI, translations between logical systems, belief revision in non-classical logics, merging of argumentation systems, as well as with the application of AI in computer science, including optmisation techniques for requirements engineering, implementation of non-monotonic reasoning systems, BDI systems, concept classification, computation of semantics of argumentation systems, and the like.

The main areas of research interest are summarised below:

Artificial Intelligence

• Knowledge representation
• Numerical methods of reasoning
• Agent systems
• BDI reasoning
• Optimisation, searching, etc

Formalisation of the common-sense reasoning

• Non-monotonic reasoning
• Belief revision
• Database updates
• Argumentation theory
• Voting problems and preference aggregation
• Abduction

Recent PC membership

2020

• AAAI-2020, Conference on Artificial Intelligence - Programme Committee member
• SIGAPP, The 35th ACM/SIGAPP Symposium On Applied Computing - Programme Committee member

2019

• IJCAI, The 28th International Joint Conference on Artificial Intelligence, Programme Committee member
• AAMAS, The International Conference on Autonomous Agents and Multiagent Systems - Senior Programme Committee member
• SIGAPP, The 34rd ACM/SIGAPP Symposium On Applied Computing - Programme Committee member
• AAAI-2019, Conference on Artificial Intelligence - Programme Committee member

2018

• COMMA, The International Conference on Computational Models of Argument - Programme Committee member
• SAFA, The International Workshop on Systems and Algorithms for Formal Argumentation - Programme Committee member
• AAAI-2018, Conference on Artificial Intelligence - Programme Committee member

2017

• IJCAI, The International Joint Conference on Artificial Intelligence - Programme Committee member
• AAAI-2017, Conference on Artificial Intelligence - Programme Committee member
• TAFA, The International Workshop on Theory and Applications of Formal Argument - Programme Committee member

2016

• COMMA, The International Conference on Computational Models of Argument - Programme Committee member
• KR, The International Conference on Principles of Knowledge Representation and Reasoning - Programme Committee member
• ECAI, The European Conference on Artificial Intelligence - Programme Committee member
• AAAI-2016, Conference on Artificial Intelligence - Programme Committee member

2015

• IJCAI, The International Joint Conference on Artificial Intelligence - Senior Programme Committee member
• AAAI-2015, Conference on Artificial Intelligence - Programme Committee member
• TAFA, The International Workshop on Theory and Applications of Formal Argument - Programme Committee member

2014

• KR, The International Conference on Principles of Knowledge Representation and Reasoning - Programme Committee member

2011

• DKB, The 3rd Workshop on Dynamics of Knowledge and Belief - Programme Committee member

2010

• IJCAR, The 5th International Joint Conference on Automated Reasoning - Programme Committee member

Other activities

• Coordinator for the area of numerical argumentation in the forthcoming Handbook of Formal Argumentation
• Executive editor of the Journal of Logic and Computation
• Executive editor of the Logical Journal of the IGPL

Teaching

I have taught several modules at BSc and MSc level including:

• Elementary Logic with Applications (2012-2017)
• Artificial Intelligence (2002 and 2009-2016)
• Computer Science Logic (2008 and 2009)
• Distributed Systems (2006 and 2007)
• Internet Systems (2005 and 2006)
• Conceptual Analysis (2003 and 2004)
• Database Systems (1999 to 2002)
• Computational Logic (2001)
• Data Structures and their Implementation in C++ (1999 and 2000)
• Logic and Prolog (1998 and 1999)

Current modules

• Elementary Logic with Applications
• programming Language Design Paradigms

Selected Publications

@article{hao-et-al:18,
  author = {Q. Hao and J. Keppens and O. Rodrigues},
  title = {An Entity-Based Algorithm for Multiple-Relation Extraction from Single Sentences},
  booktitle = {To appear}
}

@article{rodrigues-scc:18,
  author = {O. Rodrigues},
  title = {SCC-recursive algorithms with conflict detection for decision and enumeration problems in abstract argumentation},
  booktitle = {To appear}
}

@inproceedings{rodrigues-mpz:19,
  author = {O. Rodrigues},
  title = {Representing and Comparing Large Sets of Extensions of Abstract Argumentation Frameworks},
  booktitle = {Proceedings of the 34th ACM/SIGAPP Symposium on Applied Computing (SAC'19)},
  year = {2019},
  doi = {https://doi.org/10.1145/3297280.3297394}
}

@inproceedings{eqargsolver:17,
  author = {Odinaldo Rodrigues},
  title = {EqArgSolver - System Description},
  booktitle = {Proceedings of the 4th Intl. Conference on Theory and Applications of Formal Argumentation},
  year = {2018},
  pages = {150-158},
  doi = {https://doi.org/10.1007/978-3-319-75553-3_11}
}

@incollection{Rodrigues_2018,
  author = {Odinaldo Rodrigues},
  title = {A Forward Propagation Algorithm for the Computation of the Semantics of Argumentation Frameworks},
  booktitle = {Theory and Applications of Formal Argumentation},
  publisher = {Springer International Publishing},
  year = {2018},
  pages = {120--136},
  doi = {https://doi.org/10.1007/978-3-319-75553-3_8}
}

@incollection{rodrigues-RD:17,
  author = {O. Rodrigues},
  title = {An Investigation into Reduction and Direct Approaches to the Computation of Argumentation Semantics},
  booktitle = {Logic, Intelligence and Artifices: Tributes to Tarcision H. C. Pequeno},
  publisher = {College Publications},
  year = {2018},
  pages = {97-120}
}

@inproceedings{young-et-al-tafa:17,
  author = {Anthony P. Young and Sanjay Modgil and Odinaldo Rodrigues},
  title = {On the Interaction between Logic and Preference in Structured Argumentation},
  booktitle = {Theory and Applications of Formal Argumentation},
  publisher = {Springer International Publishing},
  year = {2018},
  pages = {35--50},
  doi = {https://doi.org/10.1007/978-3-319-75553-3_3}
}

@inproceedings{hao-et-al:17,
  author = {Qi Hao and Jeroen Keppens and Odinaldo Rodrigues},
  title = {A Verb-based Algorithm for Multiple-Relation Extraction from Single Sentences},
  booktitle = {Proceedings of the 16th International Conference on Information and Knowledge Engineering},
  year = {2017},
  url = {https://csce.ucmss.com/cr/books/2017/LFS/CSREA2017/IKE3227.pdf}
}

@article{bayes-argum-network:16,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {Introducing Bayesian Argumentation Networks},
  journal = {The IfColog Journal of Logics and their Applications},
  publisher = {College Publications},
  year = {2016},
  volume = {3},
  number = {2},
  pages = {241-278}
}

@inproceedings{gabbay-rodrigues:16c,
  author = {D. Gabbay and O. Rodrigues},
  title = {Degrees of “in”, “out” and “undecided” in Argumentation Networks},
  booktitle = {Frontiers in Artificial Intelligence and Applications},
  year = {2016},
  volume = {287},
  pages = {319-326},
  doi = {https://doi.org/10.3233/978-1-61499-686-6-319}
}

@incollection{gabbay-rodrigues-GKI:16,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {Further Applications of the Gabbay-Rodrigues Iteration Schema in Argumentation and Revision Theories},
  booktitle = {Computational Models of Rationality},
  publisher = {College Publications},
  year = {2016},
  volume = {29},
  pages = {392-407}
}

@inproceedings{hosseini-modgil-rodrigues:16,
  author = {S. A. Hosseini and S. Modgil and O. Rodrigues},
  title = {Estimating Second-Order Arguments in Dialogical Settings},
  booktitle = {Proceedings of the 2016 International Conference on Autonomous Agents and Multiagents Systems},
  publisher = {International Foundation for Autonomous Agents and Multiagent Systems},
  year = {2016},
  pages = {1469-1470}
}

@inproceedings{hosseini-modgil-rodrigues:16d,
  author = {S. A Hosseini and S. Modgil and O. Rodrigues},
  title = {Assigning Likelihoods to Interlocutors' Beliefs and Arguments},
  booktitle = {Frontiers in Artificial Intelligence and Applications},
  year = {2016},
  volume = {287},
  pages = {339-350},
  doi = {https://doi.org/10.3233/978-1-61499-686-6-339}
}

@misc{rodrigues:16e,
  author = {O. Rodrigues},
  title = {Introducing EqArgSolver: An argumentation solver using equational semantics},
  year = {2016},
  note = {The First International Workshop on Systems and Algorithms for Formal Argumentation, colocated with COMMA 2016}
}

@inproceedings{young-modgil-rodrigues:16,
  author = {A. Young and S. Modgil and O. Rodrigues},
  title = {Prioritised Default Logic as Rational Argumentation},
  booktitle = {Proceedings of the 2016 International Conference on Autonomous Agents and Multiagents Systems},
  publisher = {International Foundation for Autonomous Agents and Multiagent Systems},
  year = {2016},
  pages = {626-634},
  url = {http://dl.acm.org/citation.cfm?id=2936924.2937018}
}

@article{esnan-15,
  author = {Gabbay, D. M. and Rodrigues, O.},
  title = {Equilibrium States in Numerical Argumentation Networks},
  journal = {Logica Universalis},
  publisher = {Springer Basel},
  year = {2015},
  pages = {1-63},
  url = {http://dx.doi.org/10.1007/s11787-015-0119-7},
  doi = {https://doi.org/10.1007/s11787-015-0119-7}
}

@article{Meneguzzi2015127,
  author = {F. Meneguzzi and O. Rodrigues and N. Oren and W. W. Vasconcelos and M. Luck},
  title = {BDI reasoning with normative considerations},
  journal = {Engineering Applications of Artificial Intelligence},
  year = {2015},
  volume = {43},
  number = {0},
  pages = {127 - 146},
  url = {http://www.sciencedirect.com/science/article/pii/S0952197615000925},
  doi = {https://doi.org/10.1016/j.engappai.2015.04.011}
}

@article{prob-argum:15,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {Probabilistic Argumentation: An Equational Approach.},
  journal = {Logica Universalis},
  year = {2015},
  volume = {9},
  number = {3},
  pages = {345-382}
}

@inproceedings{gabbay-rodrigues:COMMA2014,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {A self-correcting iteration schema for argumentation networks},
  booktitle = {Proceedings of COMMA V},
  publisher = {IOS Press},
  year = {2014},
  pages = {377 - 384},
  doi = {https://doi.org/10.3233/978-1-61499-436-7-377}
}

@article{gabbay-rodrigues-jlc:13,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {An Equational Approach to the Merging of Argumentation Networks},
  journal = {Journal of Logic and Computation},
  publisher = {OUP},
  year = {2014},
  volume = {24},
  pages = {1253-1277}
}

@inproceedings{hosseini-modgil-rodrigues:COMMA2014,
  author = {S. A. Hosseini and S. Modgil and O. Rodrigues},
  title = {Enthymeme Construction in Dialogues using Shared Knowledge},
  booktitle = {Proceedings of COMMA V},
  publisher = {IOS Press},
  year = {2014},
  pages = {325-332},
  doi = {https://doi.org/10.3233/978-1-61499-436-7-325}
}

@inproceedings{gabbay-rodrigues:12,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {A Numerical Approach to the Merging of Argumentation Networks},
  booktitle = {Proceedings of CLIMA XIII},
  publisher = {Springer-Verlag},
  year = {2012},
  pages = {195-212}
}

@incollection{Rodrigues:2011,
  author = {Odinaldo Rodrigues and Dov Gabbay and Alessandra Russo},
  title = {Belief Revision},
  booktitle = {Handbook of Philosophical Logic: Volume 16},
  publisher = {Springer Netherlands},
  year = {2011},
  pages = {1--114},
  url = {https://doi.org/10.1007/978-94-007-0479-4_1},
  doi = {https://doi.org/10.1007/978-94-007-0479-4_1}
}

@book{rac:2010,
  author = {Gabbay, D and Rodrigues, O and Russo, A},
  title = {Revision, Acceptability and Context: Theoretic and Algorithmic Aspects},
  publisher = {Springer Verlag},
  year = {2010},
  pages = {386},
  url = {http://dx.doi.org/10.1007/978-3-642-14159-1},
  doi = {https://doi.org/10.1007/978-3-642-14159-1}
}

@article{non-classical-2,
  author = {O. Rodrigues and D. M. Gabbay and A. Russo},
  title = {Belief Revision in Non-Classical Logics},
  journal = {Review of Symbolic Logic},
  year = {2008},
  volume = {1},
  pages = {267-304}
}

@inproceedings{elsenbroich-gabbay-rodrigues06,
  author = {C. Elsenbroich and D. M. Gabbay and O. Rodrigues},
  title = {Getting possibilities from the impossible},
  booktitle = {Proceedings of NMR-06},
  publisher = {Institut fur Informatik},
  year = {2006},
  pages = {505-513},
  note = {ISSN 1860-8477}
}

@inproceedings{pigozzi-gabbay-rodrigues06,
  author = {D. M. Gabbay and G. Pigozzi and O. Rodrigues},
  title = {Belief revision, belief merging and voting},
  booktitle = {Proceedings of the Seventh Conference on Logic and the Foundations of Games and Decision Theory (LOFT06)},
  publisher = {University of Liverpool},
  year = {2006},
  pages = {71-78}
}

@inbook{rodrigues05,
  author = {O. Rodrigues},
  title = {Iterated Revision and Automatic Similarity Generation},
  booktitle = {We will show them! Essays in honour of D. M. Gabbay},
  publisher = {College Publications},
  year = {2005},
  volume = {2},
  pages = {591-613}
}

@incollection{gabbay-rodrigues-woods04,
  author = {D. M. Gabbay and O. Rodrigues and J. Woods},
  title = {Deletion in Resource Unbounded Logics - Belief Contraction, Anti-Formulae and Resource Overdraft: Part II},
  booktitle = {Logic, Epistemology and the Unity of Science},
  publisher = {Kluwer Academic Publishers},
  year = {2004},
  volume = {1},
  pages = {291-326}
}

@inproceedings{se:sbia,
  author = {O. Rodrigues and A. d'Avila Garcez and A. Russo},
  title = {Reasoning about Requirements Evolution Using Clustered Belief Revision},
  booktitle = {Advances in Artificial Intelligence, Proceedings of 17th SBIA},
  publisher = {Springer-Verlag Berlin Heidelberg},
  year = {2004},
  pages = {41-51},
  note = {LNAI 3171}
}

@article{clusters,
  author = {O. Rodrigues},
  title = {Structured Clusters: A Framework to Reason with Contradictory Interests},
  journal = {Journal of Logic and Computation},
  year = {2003},
  volume = {13},
  number = {1},
  pages = {69-97}
}

@inproceedings{rodrigues-garcez-russo03,
  author = {O. Rodrigues and A. d'Avila Garcez and A. Russo},
  title = {Reasoning about Requirements Evolution Using Clustered Belief Revision},
  booktitle = {Proceedings of ACM ESEC/FSE International Workshop on Intelligent Technologies for Software Engineering WITSE03},
  year = {2003}
}

@article{gabbay-rodrigues-woods02,
  author = {D. M. Gabbay and O. Rodrigues and J. Woods},
  title = {Belief Contraction, Anti-Formulae and Resource Overdraft: Part I - Deletion in Resource Bounded Logics},
  journal = {Logic Journal of the IGPL},
  year = {2002},
  volume = {10},
  number = {6},
  pages = {601-652}
}

@inbook{gabbay-rodrigues-russo99,
  author = {D. M. Gabbay and O. Rodrigues and A. Russo},
  title = {Information, Uncertainty, Fusion},
  publisher = {Kluwer Academic Publishers},
  year = {1999},
  pages = {3-31},
  note = {ISBN: 0-7923-8590-X}
}

@phdthesis{rodrigues98,
  author = {O. Rodrigues},
  title = {A methodology for iterated information change},
  school = {Department of Computing, Imperial College},
  year = {1998}
}

@inproceedings{gabbay-rodr:97-a,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {Structured Belief Bases: a practical approach to prioritised base revision},
  booktitle = {Proceedings of First Internation Joint Conference on Qualitative and Quantitative Practical Reasoning},
  publisher = {Springer-Verlag},
  year = {1997},
  pages = {267-281}
}

@inproceedings{gabbay-rodr:96-a,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {A methodology for iterated Theory Change},
  booktitle = {Practical Reasoning - First International Conference on Formal and Applied Practical Reasoning, FAPR'96},
  publisher = {Springer Verlag},
  year = {1996}
}

@inproceedings{gabbay-rodrigues96-b,
  author = {D. M. Gabbay and O. Rodrigues},
  title = {Structured Databases: a framework to reason about Belief Change},
  booktitle = {Proceedings of the Theory and Formal Methods 1996 workshop},
  publisher = {Imperial College Press},
  year = {1996}
}

@inproceedings{rodr-ryan-schob:96,
  author = {O. Rodrigues and M. Ryan and P.-Y. Schobbens},
  title = {Counterfactuals and updates as inverse modalities},
  booktitle = {6th Conference on Theoretical Aspects of Rationality and Knowledge},
  year = {1996},
  pages = {163-174}
}

@incollection{promal:94,
  author = {Rodrigues, Odinaldo and Benevides, Mario},
  title = {PROMAL — Programming in modal action logic},
  booktitle = {Programming Language Implementation and Logic Programming},
  publisher = {Springer Berlin Heidelberg},
  year = {1994},
  volume = {844},
  pages = {457-458},
  url = {http://dx.doi.org/10.1007/3-540-58402-1_36},
  doi = {https://doi.org/10.1007/3-540-58402-1_36}
}

@inproceedings{rodrigues-benevides94,
  author = {O. Rodrigues and M. R. F. Benevides},
  title = {Belief Revision in Pseudo-Definite Sets},
  booktitle = {Proceedings of the 11th Brazilian Symposium on Artificial Intelligence (SBIA '94)},
  year = {1994}
}

@mastersthesis{rodrigues93,
  author = {O. Rodrigues},
  title = {Prolog Modal de Ação e Revisão de Crenças em Conjuntos Definidos},
  school = {COPPE - Universidade Federal do Rio de Janeiro - Brazil},
  year = {1993},
  note = {Published in the Federal University of Rio de Janeiro, Brazil}
}

@techreport{rodrigues-benevides93,
  author = {O. Rodrigues and M. R. F. Benevides},
  title = {Revisão de Cren¸ cas em Conjuntos de Cláusulas},
  school = {COPPE/UFRJ, Rio de Janeiro-RJ, BRAZIL},
  year = {1993},
  note = {Publica¸ cões Técnicas, ES-281/93}
}

@inproceedings{rodrigues-benevides92,
  author = {O. Rodrigues and M. R. F. Benevides},
  title = {Prolog Modal de Ação},
  booktitle = {Anais do IX SBIA},
  year = {1992},
  pages = {339-357}
}

Books

Short Biography

Although my research is mostly theoretical I have always had a keen interest in the most practical implementation aspects. Computing, and consequently technology, is both my passion and my natural element. This has been the case throughout my life.

I started programming when I was very young (at around 15yo) in the days when a personal computer consisted of a TV attached to an 8-bit "computer" and programs were saved to cassete tapes. You could actually hear the phone ring and the modem tick when you wanted to connect to a remote server. In those days very little support was available to a programmer. BASIC was the most common language keen teenagers like me would use with their computers, but some things we had to do in assembler, a very rudimentary form of machine language. Then PCs came along, programming languages improved (we had Turbo Pascal, then Delphi), and commercial opportunities to make a living out of programming started to become more widespread beyond the realm of mainframes and dumb terminals. That's when a few of us at the University of Fortaleza, myself included, started opening companies and writing software professionally. I remember the first POS system I wrote, where I even had to implement a rudimentary locking mechanism myself to avoid the lost update problem, common in database systems. No database servers were available at the consumer level and only big organisations could afford them, but smaller businesses were seeing the potential for automating some core activities, such as sales, stock control, and reporting, and a few others needed the flexibility and speed that a computer could offer, for instance when calculating the forces applied to a structure supporting a roof. These were the types of problems that spurred my curiosity as a teenager. But if we could solve those problems with a computer, could a machine actually think, or at least behave as if it could?

I quickly realised that I needed to study more, so I applied for a MSc in Artificial Intelligence at COPPE, in the Federal University of Rio de Janeiro, some 3000km away from the city I lived in. The masters then led me to a PhD in Artificial Intelligence, this time even farther away at Imperial College London, 9000km away from Rio.

My first job after my PhD was as Research Assistant in a project involving the development of data-driven algorithms for artificial intelligence. In retrospect, that project was very ahead of its time in 1998.

I am currently Senior Lecturer at King's College London and have taught thousands of students in most of the core computing disciplines: database systems, distributed systems, C++ programming, computational logic, internet systems, artificial language, classical logic, and the like.

I have had a wide variety of administrative duties including publications and publicity, MSc admissions, and more recently I have been chairing the Computing Committee, initially for the Department of Informatics and in the last few years for the whole Faculty of Natural and Mathematical Sciences. Throughout this period, we have seen good progress and exciting new things hapenning at King's, including the inception of HPC facilities such as ADA and Rosalind.

In recent years, my research has veered towards the more practical aspects of common-sense reasoning, particularly in the area of argumentation theory. From dialogues to semantics, including devising numerical methods for argumentation systems and investigating all aspects related to their implementation.

Last year I submitted the prototype of a numerical solver to the first International Competition on Computational Models of Argumentation called GRIS based on theoretical research I had done on numerical argumentation. The prototype showed potential and I have since been working towards implementing a more robust solver called EqArgSolver. The significance of an argumentation solver such as EqArgSolver is that, unlike in reduction-based solvers, it operates on the argumentation graph directly. This puts it in a more robust position to tackle future argumentation problems that may not be possible to solve using reduction-based solvers.

EqArgSolver is not yet ready for general release, but following recent theoretical work, I have implemented a faster core component to replace GRIS' and the development version has already shown up to 12x increase in performance in comparison to GRIS. I have presented these developments in the recent SAFA workshop co-located with COMMA 16. Before EqArgSolver is ready for the next ICCMA, a new key algorithm needs to be developed and shown to be correct before its subsequent implementation. This is currently under way.

Argumentation Solvers

Computation of Argumentation Semantics

EqArgSolver is an argumentation solver that can be used to compute solutions to enumeration and decision problems in the grounded, complete, preferred and stable semantics.

EqArgSolver supersedes GRIS, which was submitted to the 1st International Competition on Computational Models of Argumentation.

EqArgSolver provide a more comprehensive range of semantics, has a smaller memory footprint, and it is up to 12x faster than GRIS. EqArgSolver will be available for general release in Spring 2017. Please check this page for further announcements.

More details about EqArgSolver can be found here.

Research projects

• EPSRC grant number EP/E034446/1, Connections between belief revision, belief merging and voting, 2006
• EPSRC grant number GR/R44706/01, Belief Contraction and Anti-Formulae. Logical Modelling of Deletion, 2002-2005

BSc/MSci Projects 2019/2020

Besides being part of an important and well-studied problem in AI, the projects below aim to improve your overall design, reasoning and programming skills.

These projects will maximise your professional development and take your programming abilities to the next level.

Artificial Intelligence: A solver for argumentation frameworks [Multiple options]

In Artificial Intelligence, a practical reasoning problem is how to make sense of a multitude of point-of-views or arguments that interact by attacking and supporting each other. This type of scenario is important in public debates and the automation of common-sense reasoning tasks in general. The arguments and how they relate to each other can be modelled by a so-called Abstract Argumentation Framework.

An Abstract Argumentation Framework is a tuple , where A is a set of arguments and R is an attack relation on A x A. Argumentation theory provides a means of deciding which arguments "win" based on the attack relationship of these arguments. An extension is the set of winning arguments under a particular semantics.

Deciding whether a subset of A is an extension of an argumentation framework is a complex problem, and cannot be done by hand for all but the simplest example. Instead, computer programs called argumentation solvers are built for this and for a number of other important reasoning problems.

The objective of this project is to explore this problem as much as possible and come up with an efficient implementation to check whether a given set is an extension of an argumentation framework and/or calculate all extensions of such a framework. In order words, you will have to build an actual solver similar to the ones that compete in the bi-annual International Competition on Computational Models of Argumentation (ICCMA): http://argumentationcompetition.org/

We are not concerned with the visualisation of the graphs which can be performed by a different application.

This project consists of an implementation and an evaluation against the solver EqArgSolver, used in the competition. You are free to choose the approach of the implementation (direct/translation), the implementation language, and the algorithm, but your solver will be evaluated against state-of-the-art implementations.

This is a great opportunity for you to extend your programming ability, write a sophisticated piece of software to specification and evaluate its efficiency against international benchmarks. It will require solutions for several complex problems in computer science: efficient data representation, management of complex control structures, memory management, etc.

Skills required

• Basic computer science concepts: graphs, graph traversal, algorithms
• interface and integration of system components
• one of JAVA, C++, Python, etc
• understanding of logic encodings (for SAT-based solvers)

Skills required

• Basic computer science concepts: graphs, graph traversal, algorithms
• interface and integration of system components
• one of JAVA, C++, Python, etc
• understanding of logic encodings (for SAT-based solvers)

MSc projects

I prefer to supervise students in emerging topics or in an area related to my own research interests.

I am only willing to supervise projects that attempt to improve your overall systems design and programming skills. I am particularly interested in cross-disciplinary projects involving applications of AI to new areas. Even though some of the topic suggestions below may appear demanding, they are tailored to maximise your academic and professional development. In all cases, I will providing full assistance and supervision throughout the development of the projects.

Briefing Sessions to Discuss MSc Projects

The consultation period for MSc Project discussion runs from 19/11 until 30/11. During this period, I will be available to see students wishing to enquire about the MSc project topics during the following times:

• Wednesday, 21/11, 1pm-2pm
• Tuesday, 27/11, 5pm-6pm
• Friday, 23/11, 11am-12pm
• Friday, 30/11, 11am-12pm

Please note the following:

• I will not be able to discuss project topics over e-mail. If you are interested in one of my project topics, please send me an e-mail indicating which session you would like to attend and I will send you details of the session.
• Projects cannot be booked during the consultation period. If you are interested in a project, I will take your details and allocate the projects on a first-come first-served basis, provided I am satisfied that you meet the technical requirements of the project.

• Topic suggestions for all MSc programmes except the MSc in Data Science
• Topic suggestions for the MSc in Data Science only

Topics suggestions for all Msc programmes except the MSc in Data Science

1. [OR-M1] Computation of argumentation semantics

   An Abstract Argumentation Framework is a tuple , where A is a set of arguments and R is an attack relation on A x A. Argumentation theory provides a means of deciding which arguments win based on the attack relationship of these arguments. An extension is the set of winning arguments under a particular semantics.

   Deciding whether a subset of A is an extension of an argumentation framework under a particular semantics is a complex problem.

   The objective of this project is to explore this problem as much as possible and come up with a portable (JAVA) implementation to check whether a given set is an extension of an argumentation framework and/or calculate all extensions of such a framework. At least two semantics must be used.

   We are not concerned with the visualisation of the graphs which will be performed by an external application (see project [OR-M5] below).

   Skills required

   • Basic computer science concepts: graphs, graph traversal, algorithms
   • Interface and integration of system components
   • Knowledge of JAVA

2. [OR-M2] Evaluation of Algorithms for the Computation of the Preferred Semantics

   Argumentation theory provides a means of deciding which arguments win based on the attack relationship of these arguments. An extension is the set of winning arguments under a particular semantics. An Abstract Argumentation Framework is a tuple , where S is a set of arguments and R is an attack relation on S x S.

   Deciding whether a subset of A is an extension of an argumentation framework can be a computationally complex problem.

   The objective of this project is to implement alternative algorithms for the computation of the preferred extensions of an argumentation framework and compare their performance. The implementation may or may not use decomposition techniques, but must implement at least two alternative algorithms and provide a thorough comparison between them.

   There is scope for doing some of the computations in parallel if a decomposition approach is used. The project will attempt to do this as an advanced optional feature

   We are not concerned with the visualisation of the graphs which will be performed by an external application.

   Skills required

   • Basic computer science concepts: graphs, algorithms, parallel algorithms.
   • Interface and integration of system components
   • JAVA or C++

3. [OR-M3] Collaborative environment mapping probes

   Imagine a virtual environment with a pre-defined boundary and some internal objects that need to be mapped by some virtual agents as efficiently as possible.

   Your objective is to produce a global map of this environment based on information collected by the probes which are initially placed randomly in the environment and have the ability to move about and detect objects and the boundary in front of them.

   You need to map the environment as quickly as possible. For this you can assume that the probes have limited ability to move (they may run out of power, for instance).

   Part of your project is to research and choose an appropriate simulation environment such as GridWorld providing basic functionality and some visualisation of the exploration. The core of your project will be on the design of efficient mapping strategies and the communication and coordination aspects between the probes.

[OR-M4] An automatic natural deduction proof checker for propositional logic.

Given a set of natural deduction rules, a set of premises, a conclusion and a proof in a pre-defined format, your tool should be able to tell whether the proof is correct or not.

Your tool should be easy to use and accept proofs from a web interface or input file, convert the proof to an internal language and check whether the proof is correct indicating any wrong steps in the proof.

Applications

Your tool will help logic students to learn natural deduction.

Skills required

• A good understanding of logic and propositional logic
• Basic computing skills: data structures, web interfaces, etc
• JAVA

[OR-M5] A graph visualisation tool for argumentation frameworks

An Abstract Argumentation Framework is a tuple , where A is a set of arguments and R is an attack relation on A x A. Argumentation theory provides a means of deciding which arguments win based on the attack relationship of these arguments. An extension is the set of winning arguments under a particular semantics.

The objective of this project is to develop a sophisticated application for graph visualisation to aid in reasoning problems in argumentation theory.

Skills required

• basic computer science concepts: graphs, graph traversal, algorithms
• interface and integration of system components
• JAVA or C++

[OR-M6] An advanced argumentation semantics toolkit

An Abstract Argumentation Framework is a tuple , where A is a set of arguments and R is an attack relation on A x A. Argumentation theory provides a means of deciding which arguments win based on the attack relationship of these arguments. An extension is the set of winning arguments under a particular semantics.

The objective of this project is to develop a sophisticated toolkit to aid researchers in argumentation theory.

Skills required

• basic computer science concepts: graphs, graph traversal, algorithms
• interface and integration of system components
• JAVA or C++

[OR-M7] An extension to JASON to provide some reasoning features using argumentation theory

JASON is an interpreter for an extended version of AgentSpeak. It can be extended in a number of different ways to perform different kinds of reasoning with agents.

We will need to discuss one possible extension, that you will design, implement and illustrate with a case study in argumentation theory.

Skills required

• Basic computer science concepts: graphs, set theory, IDEs
• interface and integration of system components
• JAVA
• Basic argumentation theory

[OR-M8] An extension to JASON to support BDI reasoning

JASON is an interpreter for an extended version of AgentSpeak. It can be extended in a number of different ways to perform different kinds of reasoning with agents.

You will analyse the paper "BDI reasoning with normative considerations" and see how some of its features can be implemented in JASON.

Skills required

• Basic computer science concepts: graphs, set theory, IDEs
• interface and integration of system components
• JAVA
• Basic argumentation theory

Topics for the MSc in Data Science

9. [OR-M9] Genome-wide identification of genetic variants regulating gene expression in obesity-relevant tissues

   In this project, the student will conduct genome-wide analysis to identify new trans-regulatory variants, and then integrate these with known disease loci to determine if they mediate genetic risk of disease. The student will investigate trans-eQTLs in four disease-relevant tissues, but the focus of the study will be on fat tissue and obesity-relevant diseases. The student will apply a range of statistical programs to identify new trans-regulatory variants.

   Please click here for more details.

10. [OR-M10] Water Network Modelling

    A project is underway in the Rownhams area of Southampton to measure the behavior of the water network using an abundance (60+) of sensors. This is the first project of its type in the UK and is of significant interest to our regulators. There are two objectives, the first is to find evidence in the sensor data that could explain the causes of discolouration incidents and secondly to understand what normal looks like.

    Please click here for more details.

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