Andrea Cohen

Institute for Computer Science and Engineering (ICIC),
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET)
Universidad Nacional del Sur

 

Contact Information


  • Email: ac (at) cs.uns.edu.ar

  • Phone: +54 291 4595135 (ext. 2632)

  • Fax: +54 291 4595136

  • Address:
    •  

    Andrea Cohen
    Departamento de Ciencias e Ingeniería de la Computación
    Universidad Nacional del Sur
    San Andrés 800 - Campus de Palihue
    (8000) Bahía Blanca
    ARGENTINA

 

Education


 

Professional Activities

 

Research


I am a member of the Institute for Computer Science and Engineering (ICIC) and the Artificial Intelligence Research and Development Laboratory (LIDIA).

You can visit the institute's website to learn about our activities.


My research interests include:

  • Knowledge Representation
  • Defeasible Reasoning
  • Computational Argumentation
Mainly, I have been working on the study and formalization of abstract and structured argumentation systems with different kinds of interactions (such as attack and support relations, and higher-order interactions).


Participation in research projects:

    Current

  • "Argumentación y revisión de creencias para razonamiento e intercambio de información entre agentes con diferentes grados de credibilidad". PGI 24/ZN37. Director: Sebastian Gottifredi. Co-Director: Luciano H. Tamargo. Funded by Universidad Nacional del Sur from 01/01/2020 to 31/12/2024.

    • Past

  • "Formalismos de razonamiento automático para soporte a la toma de decisiones en ambientes de múltiples agentes con diferentes niveles de confianza y reputación". PGI 24/N046. Director: Alejandro J. García. Co-Director: Marcelo A. Falappa. Funded by Universidad Nacional del Sur from 01/01/2017 to 31/12/2021.

  • "MIREL: MIning and REasoning with Legal texts", funded by the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 690974.

  • "Formalismos para el tratamiento de confianza y reputación en sistemas multi-agente". PGI 24/ZN32. Director: Luciano H. Tamargo. Funded by Universidad Nacional del Sur from 01/01/2016 to 31/12/2019.

  • "Formalismos para toma de decisiones en Sistemas Multi-agente que consideran la confianza y reputacióon entre sus integrantes". PIP 112-201701-00871. Director: Marcelo A. Falappa. Co-Director: Alejandro J. García. Funded by CONICET from 01/01/2017 to 31/12/2019.

  • "Representación de Conocimiento y Razonamiento Argumentativo: Herramientas Inteligentes para la Web y las Bases de Conocimiento". PGI 24/N040. Director: Guillermo R. Simari. Funded by Universidad Nacional del Sur from 01/01/2016 to 31/12/2018.

  • "Argumentación y Dinámica de Creencias para mejorar las capacidades de razonamiento y representación de conocimiento de Sistemas Multi-Agente". PGI 24/N035. Director: Alejandro J. García. Co-Director: Marcelo A. Falappa. Funded by Universidad Nacional del Sur from 01/01/2013 to 31/12/2016.

  • "Combinación de Revisión de Creencias y Argumentación para mejorar las capacidades de Razonamiento y modelado de la Dinámica de Conocimiento en Sistemas Multi-agente". PIP-CONICET (PIP 112-201101-01000). Director: Marcelo A. Falappa. Funded by CONICET from 01/01/2012 to 31/12/2014.

  • "Representación de Conocimiento y Razonamiento Argumentativo: Herramientas Inteligentes para la Web y las Bases de Datos Federadas". PGI 24/N030. Director: Guillermo R. Simari. Funded by Universidad Nacional del Sur from 01/01/2011 to 31/12/2014.

  • "Formalismos Argumentativos aplicados a Sistemas Inteligentes para Toma de Decisiones". PGI 24/ZN18. Director: Alejandro J. García. Co-Director: Marcelo A. Falappa. Funded by Universidad Nacional del Sur from 01/01/2009 to 31/12/2012.

  • "Sistemas de Apoyo a la Decisión Basados en Argumentación: formalización y aplicaciones". PIP-CONICET (PIP-112-200801-02798). Director: Carlos I. Ches�evar. Funded by CONICET from 01/01/2009 to 31/12/2011.

Publications


    Journals

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. Towards Evidence Retrieval Cost Reduction in Abstract Argumentation Frameworks with Fallible Evidence. Journal of Artificial Intelligence Research, Vol. 75, pp. 1293-1322, 2022.

  • Andrea Cohen, Sebastian Gottifredi, Luciano H. Tamargo, Alejandro J. García, Guillermo R. Simari. An informant-based approach to argument strength in Defeasible Logic Programming. Argument & Computation, Vol. 12, pp. 115-147, 2021.

  • Antonis Bikakis, Andrea Cohen, Wolfgang Dvorák, Giorgos Flouris, Simon Parsons. Joint Attacks and Accrual in Argumentation Frameworks. Journal of Applied Logics - IfCoLog Journal of Logics and their Applications (FLAP), Vol. 8, No. 6, pp. 1437-1501, 2021.

  • Claudette Cayrol, Andrea Cohen, Marie-Christine Lagasquie-Schiex. Higher-Order (Bipolar or not) Interactions in Abstract Argumentation: A State of the Art. Journal of Applied Logics - IfCoLog Journal of Logics and their Applications (FLAP), Vol. 8, No. 6, pp. 1339-1435, 2021.

  • Andrea Cohen, Sebastian Gottifredi, Mauro Vallati, Alejandro J. García, Grigoris Antoniou. Maximising Goals Achievement through Abstract Argumentation Frameworks: An Optimal Approach. Expert Systems with Applications, Vol. 141, 2020.

  • Sebastian Gottifredi, Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Characterizing Acceptability Semantics of Argumentation Frameworks with Recursive Attack and Support Relations. Artificial Intelligence, Vol. 262, pp. 336-368, 2018.

  • Andrea Cohen, Simon Parsons, Elizabeth I. Sklar, Peter McBurney. A characterization of types of support between structured arguments and their relationship with support in abstract argumentation. International Journal of Approximate Reasoning, Vol. 94, pp. 76-104, 2018.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. A Structured Argumentation System with Backing and Undercutting. Engineering Applications of Artificial Intelligence, Vol. 49, pp. 149-166, 2016.

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. An Approach to Abstract Argumentation with Recursive Attack and Support. Journal of Applied Logic, Vol. 13 (4), pp. 509-533, 2015.

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. A Survey of Different Approaches to Support in Argumentation Systems. The Knowledge Engineering Review, Vol. 29 (5), pp. 513-550, 2014.

    • International Conferences and Workshops

  • Kenneth Skiba, Matthias Thimm, Andrea Cohen, Sebastian Gottifredi, Alejandro J. García. Abstract Argumentation Frameworks with Fallible Evidence. In Proc. of 8th International Conference on Computational Models of Argument (COMMA 2020), Perugia, Italy, September 2020.
    In FAIA IOS Press Series, Vol. 326, pp. 347-354, 2020.

  • Gianvincenzo Alfano, Andrea Cohen, Sebastian Gottifredi, Sergio Greco, Francesco Parisi, Guillermo R. Simari. Dynamics in Abstract Argumentation Frameworks with Recursive Attack and Support Relations. In Proc. of 24th European Conference on Artificial Intelligence (ECAI 2020), Santiago de Compostela, Spain, August-September 2020.
    In FAIA IOS Press Series, Vol. 325, pp. 577-584, 2020.

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García. A Heuristic Pruning Technique for Dialectical Trees on Argumentation-Based Query-Answering Systems. In Proc. of 13th International Conference on Flexible Query Answering Systems (FQAS 2019), Amantea, Italy, July 2019.
    In LNCS/LNAI Springer Series, Vol. 11529, pp.101-113, 2019.

  • Zimi Li, Andrea Cohen, Simon Parsons. Two forms of minimality in ASPIC+. In Proc. of 15th European Conference on Multi-Agent Systems (EUMAS 2017), Évry, France, December 2017.
    In LNCS/LNAI Springer Series, Vol. 10767, pp.203-218, 2017.

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. On the Acceptability Semantics of Argumentation Frameworks with Recursive Attack and Support. In Proc. of 6th International Conference on Computational Models of Argument (COMMA 2016), Potsdam, Germany, September 2016.
    In FAIA IOS Press Series, Vol. 287, pp. 231-242, 2016.

  • Claudette Cayrol, Andrea Cohen, Marie-Christine Lagasquie-Schiex. Towards a new framework for recursive interactions in abstract bipolar argumentation. In Proc. of 6th International Conference on Computational Models of Argument (COMMA 2016), Potsdam, Germany, September 2016.
    In FAIA IOS Press Series, Vol. 287, pp. 191-198, 2016.

  • Ramiro A. Agis, Andrea Cohen, Diego C. Martínez. Argumentative AI Director using Defeasible Logic Programming. In IJCAI-2015 Computer Games Workshop (CGW 2015), pp. 1-15. Buenos Aires, Argentina, July 2015.

  • Andrea Cohen, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. Recursive Attack and Support in Abstract Argumentation Frameworks. In IJCAI-2013 Workshop on Weighted Logics for Artificial Intelligence (WL4AI 2013), pp. 42-49. Beijing, China, August 2013.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Backing and Undercutting in Abstract Argumentation Frameworks. In Proc. of 7th International Symposium on Foundations of Information and Knowledge Systems (FoIKS 2012), Kiel, Germany, March 2012.
    In LNCS/LNAI Springer Series, Vol. 7153, pp. 107-123, 2012.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Backing and Undercutting in Defeasible Logic Programming. In Proc. of 11th European Conference on Quantitative and Symbolic Approaches to Reasoning with Uncertainty (ECSQARU 2011), Belfast, Northern Ireland, UK, 29th June - 1st July, 2011.
    In LNCS/LNAI Springer Series, Vol. 6717, pp. 50-61, 2011.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Extending DeLP with Attack and Support for Defeasible Rules. In Proc. of 12th Ibero-American Conference on Artificial Intelligence (IBERAMIA 2010), Bahía Blanca, Argentina, November 2010.
    In LNCS/LNAI Springer Series, Vol. 6433, pp. 90-99, 2010.
    Awarded with the Distinguished Paper Award.

    • Book Chapters

  • Antonis Bikakis, Andrea Cohen, Wolfgang Dvorák, Giorgos Flouris, Simon Parsons. Joint Attacks and Accrual in Argumentation Frameworks. Handbook of Formal Argumentation - Volume 2, Chapter 3, pp. 131-210, 2021. College Publications.

  • Claudette Cayrol, Andrea Cohen, Marie-Christine Lagasquie-Schiex. Higher-Order (Bipolar or not) Interactions in Abstract Argumentation: A State of the Art. Handbook of Formal Argumentation - Volume 2, Chapter 2, pp. 15-130, 2021. College Publications.

  • Simon Parsons, Andrea Cohen. On the relationship between DeLP and ASPIC+. Argumentation-based Proofs of Endearment. Essays in Honor of Guillermo R. Simari on the Occasion of his 70th Birthday, pp. 295-325, 2018. College Publications.

  • Andrea Cohen, Sebastian Gottifredi, Luciano H. Tamargo, Alejandro J. García. Extending Defasible Logic Programming with Informant-based Argumentation. Argumentation-based Proofs of Endearment. Essays in Honor of Guillermo R. Simari on the Occasion of his 70th Birthday, pp. 73-89, 2018. College Publications.

  • Ramiro A. Agis, Andrea Cohen, Diego C. Martínez. Argumentative AI Director using Defeasible Logic Programming. In Computer Games: CGW/GIGA@IJCAI 2015 Revised Selected Papers. In CCIS Springer Series, Vol. 614, pp. 96-111, 2016.

  • Sonia V. Rueda, Andrea Cohen, Telma Delladio, Sebastian Gottifredi, Luciano H. Tamargo. Tools for discovering vocations towards Computer Science. In Computer Science & Technology Series: XX Argentine Congress of Computer Science Selected Papers, pp. 273-282. Editorial de la Universidad Nacional de La Plata (Edulp), Argentina, 2015.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. An Argumentation Framework with Backing and Undercutting. In Computer Science & Technology Series: XVII Argentine Congress of Computer Science Selected Papers, pp. 31-41. Editorial de la Universidad Nacional de La Plata (Edulp), Argentina, 2012.

    • National Conferences and Workshops

  • Sonia V. Rueda, Andrea Cohen, Telma Delladio, Sebastian Gottifredi, Luciano H. Tamargo. Herramientas para apoyar el descubrimiento de vocaciones en Ciencias de la Computación. In Proc. of XX Congreso Argentino de Ciencias de la Computación (CACIC 2014), pp. 1-10. Universidad Nacional de La Matanza, San Justo, Argentina, October 2014.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. An Argumentation Framework with Backing and Undercutting. In Proc. of XVII Congreso Argentino de Ciencias de la Computación (CACIC 2011), pp. 21-30. Universidad Nacional de la Plata, La Plata, Argentina, October 2011.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Alternativas de Ataque y Soporte para Sistemas Argumentativos Basados en Reglas. In Proc. of XIII Workshop de Investigadores en Ciencias de la Computación (WICC 2011), pp. 116-120. Universidad Nacional de Rosario, Rosario, Argentina, May 2011.

  • Andrea Cohen, Alejandro J. García, Guillermo R. Simari. Extensión de los Sistemas Argumentativos Basados en Reglas con Elementos de Argumentación Clásica. In Proc. of XII Workshop de Investigadores en Ciencias de la Computación (WICC 2010), pp. 67-71. Universidad Nacional de la Patagonia San Juan Bosco, Calafate, Argentina, May 2010.

  • Andrea Cohen, Mariano Tucat, Sebastian Gottifredi, Alejandro J. García, Guillermo R. Simari. Desarrollo de Agentes Inteligentes Basados en Argumentación para Robótica Móvil. In Proc. of XI Workshop de Investigadores en Ciencias de la Computación (WICC 2009), pp. 70-74. Universidad Nacional de San Juan, San Juan, Argentina, May 2009.