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  • Situated agents and humans in social interaction for elderly healthcare: the case of COAALAS

     Gomez Sebastia, Ignasi; Alvarez Napagao, Sergio; Garcia Gasulla, Dario; Cortes Garcia, Claudio Ulises
    Conference on Artificial Intelligence in Medicine
    Presentation's date: 2013-06-01
    Presentation of work at congresses

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    Assistive Technologies (AT) are an application area where several Artificial Intelligence techniques and tools have been successfully applied to support elder or impeded people on their daily activities. However, approaches to AT tend to center in the user-tool interaction, neglecting the user's connection with its social environment (such as care-takers, relatives and health professionals) and the possibility to monitor undesired behaviour providing both adaptation to a dynamic environment and early response to potentially dangerous situations. In previous work we have presented Coaalas, an intelligent social and norm-aware device for elder people that is able to autonomously organize, reorganize and interact with the dierent actors involved in elder-care, either human actors or other devices. In this paper we put our work into context, by first examining what are the desirable properties of such a system, analysing the state of the art on the relevant topics, and verifying the validity of our proposal.

  • Applying COAALAS to SPiDer

     Moreno Vazquez, Jonatan; Cortes Garcia, Claudio Ulises; Garcia Gasulla, Dario; Gomez Sebastia, Ignasi; Alvarez Napagao, Sergio
    Congrés Internacional de l¿Associació Catalana d¿Intel·ligència Artificial
    Presentation of work at congresses

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    Artificial Intelligence techniques and tools have been applied to Assis- tive Technologies (AT) in order to support elder or impeded people on their daily activities. A common application are intelligent pill dispensers and reminders that help the patient comply with his medication. This has become even more important, as patients suffering from multiple pathologies are prescribed cocktails of drugs that require strict compliance in order to achieve a successful treatment. Existing intelligent pill dispensers tend to focus in the user-tool interaction, neglecting user¿s connection with its social environment and the possibility to monitor patient¿s behaviour, effectively adapting to a dynamic environment and providing early re- sponse to potentially dangerous situations by detecting unexpected or undesired patterns of behaviour. In previous work we have presented COAALAS, an intelligent social and norm-aware device for elder people that is able to autonomously organize, reorganize and interact with the different actors involved in elder-care, either human actors or other devices. In this paper, we present SPiDer an intelligent pill dispenser integrated with the COAALAS architecture.

  • Semantics for possibilistic disjunctive programs

     Nieves Sánchez, Juan Carlos; Osorio Galindo, Mauricio; Cortes Garcia, Claudio Ulises
    Theory and practice of logic programming
    Date of publication: 2013-01
    Journal article

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  • Towards an implementation of a social electronic reminder for pills

     Gomez Sebastia, Ignasi; Garcia Gasulla, Dario; Alvarez Napagao, Sergio; Vazquez Salceda, Javier; Cortes Garcia, Claudio Ulises
    International Conference on Autonomous Agents and Multiagent Systems
    Presentation's date: 2012
    Presentation of work at congresses

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    Non-compliance with prescribed medication is a major problem for elder people living alone in developed countries. Forgetfulness and confusion can lead to it, specially when multiple pathologies require a cocktail of diff erent medications each delivered at different time intervals during di fferent periods of time. Assistive technologies, a recent application area for a wide range of Arti cial Intelligence techniques and tools, have been e ectively used for supporting people in their daily activities. This paper introduces the design and implementation of a system for assisting elder people on following the treatment prescribed by a professional, with the novelty of being based in social and organisational aware assistive technology.

  • AI based fall management services: the role of the i-Walker in I-DONTFALL

     Cortes Garcia, Claudio Ulises; Martinez Velasco, Antonio Benito; Barrue Subirana, Cristian; Annicchiarico, Roberta
    Mexican International Conference on Artificial Intelligence
    Presentation of work at congresses

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    Falls are a major international public health challenge because of the myriad effects on older individuals: direct physical and psychological injury; fear of falling and activity limitation; reduced social participation and quality of life; increased dependence; and because of the economic impact on health and social care providers [12]. In nowadays ageing society, many people require assistance for safe pedestrian mobility. In some cases, assistive devices require a certain degree of autonomy when the persons¿ disabilities difficult manual control. Our aim is to develop an open and innovative reference architecture, based upon ontologies and agent services, that will allow plug and play and cost-effective interconnection of existing and new services in all domains required for the independent and autonomous living of the elderly and their enhanced Quality of Life (QoL).

    Falls are a major international public health challenge because of the myriad effects on older individuals: direct physical and psychological injury; fear of falling and activity limitation; reduced social participation and quality of life; increased dependence; and because of the economic impact on health and social care providers. In nowadays ageing society, many people require assistance for safe pedestrian mobility. In some cases, assistive devices require a certain degree of autonomy when the persons’ disabilities difficult manual control. Our aim is to develop an open and innovative reference architecture, based upon ontologies and agent services, that will allow plug and play and cost-effective interconnection of existing and new services in all domains required for the independent and autonomous living of the elderly and their enhanced Quality of Life (QoL).

  • The role of i-Walker in post-stroke training

     Giuliani, Benedetta; Cortes Garcia, Claudio Ulises; Martinez Velasco, Antonio Benito; Barrue Subirana, Cristian; Annicchiarico, Roberta
    International Conference of the Catalan Association for Artificial Intelligence
    Presentation's date: 2012-10-25
    Presentation of work at congresses

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  • Intersegmental synchronization of spontaneous cord dorsum potentials as a clinical parameter to evaluate changes in neuronal connectivity produced by peripheral nerve and spinal cord damage

     Martin Muñoz, Mario; Chávez, Diógenes; Bejar Alonso, Javier; Esposito, Gennaro; Rodríguez, Érika; Cortes Garcia, Claudio Ulises; Rudomín, Pablo
    International Conference on NeuroRehabilitation
    Presentation's date: 2012-11
    Presentation of work at congresses

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    We describe here automatic selection method to retrieve spontaneous cord dorsum potentials from the spiral cord in the anesthetized cat. Previous studies have indicated that some of these potentials appear synchronized in several spinal segments and are generated by the activation of specific sets of dorsal horn neurons. Since their synchronization is affected in a characteristic manner by acute peripheral nerve and spinal lesions, as well as during capsaicin-induced skin inflammation, they can be used to describe the patterns of functional interconnectivity between specific sets of dorsal horn neurons, which makes them of potential clinical interest.

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    An operational approach for implementing normative agents in urban wastewater systems  Open access

     Nieves Sánchez, Juan Carlos; Garcia Gasulla, Dario; Aulinas Masó, Montse; Cortes Garcia, Claudio Ulises
    Computación y sistemas
    Date of publication: 2012-01-01
    Journal article

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    Water quality management policies on a river basin scale are of special importance in order to prevent and/or reduce environmental pollution caused by human sources. Industrial effluents are a priority issue particularly in Urban Wastewater Systems (UWS) that receive mixed household and industrial wastewaters, apart from rainfall water. In this paper, we present an analysis and implementation of normative agents that capture concrete regulations of the Catalan pollutionprevention policies. The implementation of the normative agents is based on Situation Calculus.

    Las políticas de gestión de la calidad del agua a nivel de cuenca hidrográfica son especialmente importantes para la prevención y/o reducción de la polución originada por el hombre en el medio ambiente. Los efluentes industriales son un elemento prioritario particularmente en los Sistemas Urbanos de Aguas Residuales (SUAR) que reciben mezcladas las aguas residuales provenientes de viviendas particulares y de industrias, así como el agua de lluvia. En este artículo, presentamos un análisis y una implementación de agentes normativos que capturan las regulaciones específicas de las políticas Catalanas de prevención de la polución. La implementación de los agentes normativos está basada en el Cálculo de Situaciones. // Water quality management policies on a river basin scale are of special importance in order to prevent and/or reduce environmental pollution caused by human sources. Industrial effluents are a priority issue particularly in Urban Wastewater Systems (UWS) that receive mixed household and industrial wastewaters, apart from rainfall water. In this paper, we present an analysis and implementation of normative agents that capture concrete regulations of the Catalan pollution- prevention policies. The implementation of the normative agents is based on Situation Calculus.

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    Deliberation dialogues for reasoning about safety critical actions  Open access

     Tolchinsky Landsmann, Francisco; Modgil, Sanjay; Atkinson, Katie; McBurney, Peter; Cortes Garcia, Claudio Ulises
    Autonomous agents and multi-agent systems
    Date of publication: 2012-09
    Journal article

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    In this paper we present the argument-based model ProCLAIM, intended to provide a setting for heterogeneous agents to deliberate over safety critical actions. To achieve this purpose ProCLAIM features a Mediator Agent with three main tasks: 1) guiding the participating agents in what their valid dialectical moves are at each stage of the dialogue; 2)deciding whether submitted arguments should be accepted on the basis of their relevance; and finally, 3) evaluating the accepted arguments in order to provide an assessment of whether the proposed action should or should not be undertaken. The main focus in this paper is the proposal of a set of reasoning patters, represented in terms of argument schemes and critical questions, intended to automatise deliberations on whether a proposed action can safely be performed. Framed within the ProCLAIM model, we we aim to motivate the importance of these schemes and critical questions for: a) the Mediator Agent's guiding task that allows for a highly focused deliberation; b) the effective participation of heterogeneous agents; and c)enabling the reuse of previous similar deliberations in order to evaluate arguments on an evidential basis.

  • Argumentation-based framework for industrial wastewater discharges management

     Aulinas Masó, Montse; Tolchinsky Landsmann, Francisco; Turon, Clàudia; Poch, Manel; Cortes Garcia, Claudio Ulises
    Engineering applications of artificial intelligence
    Date of publication: 2012-03
    Journal article

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    The daily operation of wastewater treatment plants (WWTPs) in unitary sewer systems of industrialized areas is of special concern. Severe problems can occur due to the characteristics of incoming flow. In order to avoid decision that leads to hazardous situations, guidelines and regulations exist. However, there are still no golden standards by which to a priori decide whether a WWTP can cope with critical discharges. Strict adherence to regulations may not always be convenient, since special circumstances may motivate operators to accept discharges that are above established thresholds or to reject discharges that comply with guidelines. Nonetheless, such decisions must be well justified. This paper proposes an argumentation-based model by which to formulate a flexible decision-making process. An example of the model application describes how experts deliberate the safety of a discharge and adapt each decision to the particular characteristics of the industrial discharge and the WWTP.

  • A logic-based environmental decision support system for the management of horizontal subsurface constructed wetlands

     Garcia Gasulla, Dario; Poch Espallargas, Manel; Nieves, Juan Carlos; Cortes Garcia, Claudio Ulises; Turon, Clàudia
    Ecological engineering
    Date of publication: 2012-04-02
    Journal article

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    The use of Horizontal Subsurface Constructed Wetlands (HSCWs) for treating wastewaters in small communities has increased in the last years due to HSCW’s ecological singularities. Unfortunately, the same singularities that differentiate HSCWs complicate any attempt to develop models and produce generic decision-support systems for them. Classical mathematical and statistical approaches used in other Wastewater Treatment Plants do not properly fit the particularities of HSCW and provide little insight in the domain of HSCW. We introduce a novel approach based on logic-based declarative specifications, i.e. non-monotonic causal logic, to capture explicit and implicit knowledge about HSCWs. By expressing all the relevant aspects of a HSCW in a declarative way, we produce a logic-based model which captures features that other approaches fail to formalize. At the end, we produce a complete decision-support system based on that model and test it against a set of realistic scenarios validated by experts. We discuss in which aspects this approach performs better than the most commonly proposed solutions in the bibliography and why it does so.

  • Personalization and Shared Autonomy in Assistive Technologies

     Barrue Subirana, Cristian
    Defense's date: 2012-02-08
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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  • Automatic Production and Integration of Knowledge to the Support of the Decision and Planning Activities in Medical-Clinical Diagnosis, Treatment and Prognosis  Open access

     Bohada Jaime, John Alexander
    Defense's date: 2012-06-20
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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    El concepto de procedimiento médico se refiere al conjunto de actividades seguidas por los profesionales de la salud para solucionar o mitigar el problema de salud que afecta a un paciente. La toma de decisiones dentro del procedimiento médico ha sido, por largo tiempo, uno de las áreas más interesantes de investigación en la informática médica y el contexto de investigación de esta tesis. La motivación para desarrollar este trabajo de investigación se basa en tres aspectos fundamentales: no hay modelos de conocimiento para todas las actividades médico-clínicas que puedan ser inducidas a partir de datos médicos, no hay soluciones de aprendizaje inductivo para todas las actividades de la asistencia médica y no hay un modelo integral que formalice el concepto de procedimiento médico. Por tanto, nuestro objetivo principal es desarrollar un modelo computable basado en conocimiento que integre todas las actividades de decisión y planificación para el diagnóstico, tratamiento y pronóstico médico-clínicos. Para alcanzar el objetivo principal, en primer lugar, explicamos el problema de investigación. En segundo lugar, describimos los antecedentes del problema de investigación desde los contextos médico e informático. En tercer lugar, explicamos el desarrollo de la propuesta de investigación, basada en cuatro contribuciones principales: un nuevo modelo, basado en datos y conocimiento, para la actividad de planificación en el diagnóstico y tratamiento médico-clínicos; una novedosa metodología de aprendizaje inductivo para la actividad de planificación en el diagnóstico y tratamiento médico-clínico; una novedosa metodología de aprendizaje inductivo para la actividad de decisión en el pronóstico médico-clínico, y finalmente, un nuevo modelo computable, basado en datos y conocimiento, que integra las actividades de decisión y planificación para el diagnóstico, tratamiento y pronóstico médico-clínicos.

    The concept of medical procedure refers to the set of activities carried out by the health care professionals to solve or mitigate the health problems that affect a patient. Decisions making within a medical procedure has been, for a long time, one of the most interesting research areas in medical informatics and the research context of this thesis. The motivation to develop this research work is based on three main aspects: Nowadays there are not knowledge models for all the medical-clinical activities that can be induced from medical data, there are not inductive learning solutions for all the medical-clinical activities, and there is not an integral model that formalizes the concept of medical procedure. Therefore, our main objective is to develop a computable model based in knowledge that integrates all the decision and planning activities for the medical-clinical diagnosis, treatment and prognosis. To achieve this main objective: first, we explain the research problem. Second, we describe the background of the work from both the medical and the informatics contexts. Third, we explain the development of the research proposal based on four main contributions: a novel knowledge representation model, based in data, to the planning activity in medical-clinical diagnosis and treatment; a novel inductive learning methodology to the planning activity in diagnosis and medical-clinical treatment; a novel inductive learning methodology to the decision activity in medical-clinical prognosis, and finally, a novel computable model, based on data and knowledge, which integrates the decision and planning activities of medical-clinical diagnosis, treatment and prognosis.

  • ProCLAIM: An Argument-Based Model for Deliberating Over Safety Critical Actions  Open access

     Tolchinsky Landsmann, Francisco
    Defense's date: 2012-07-09
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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    In this Thesis we present an argument-based model – ProCLAIM – intended to provide a setting for heterogeneous agents to deliberate on whether a proposed action is safe. That is, whether or not a proposed action is expected to cause some undesirable side effect that will justify not to undertake the proposed action. This is particularly relevant in safetycritical environments where the consequences ensuing from an inappropriate action may be catastrophic. For the practical realisation of the deliberations the model features a mediator agent with three main tasks: 1) guide the participating agents in what their valid argumentation moves are at each stage of the deliberation; 2) decide whether submitted arguments should be accepted on the basis of their relevance; and finally, 3) evaluate the accepted arguments in order to provide an assessment on whether the proposed action should or should not be undertaken, where the argument evaluation is based on domain consented knowledge (e.g guidelines and regulations), evidence and the decision makers’ expertise. To motivate ProCLAIM’s practical value and generality the model is applied in two scenarios: human organ transplantation and industrial wastewater. In the former scenario, ProCLAIM is used to facilitate the deliberation between two medical doctors on whether an available organ for transplantation is or is not suitable for a particular potential recipient (i.e. whether it is safe to transplant the organ). In the later scenario, a number of agents deliberate on whether an industrial discharge is environmentally safe.

    En esta tesis se presenta un modelo basado en la Argumentación –ProCLAIM– cuyo n es proporcionar un entorno para la deliberación sobre acciones críticas para la seguridad entre agentes heterogéneos. En particular, el propósito de la deliberación es decidir si los efectos secundario indeseables de una acción justi can no llevarla a cabo. Esto es particularmente relevante en entornos críticos para la seguridad, donde las consecuencias que se derivan de una acción inadecuada puede ser catastró cas. Para la realización práctica de las deliberaciones propuestas, el modelo cuenta con un agente mediador con tres tareas principales: 1) guiar a los agentes participantes indicando cuales son las líneas argumentación válidas en cada etapa de la deliberación; 2) decidir si los argumentos presentados deben ser aceptadas sobre la base de su relevancia y, por último, 3) evaluar los argumentos aceptados con el n de proporcionar una valoración sobre la seguridad de la acción propuesta. Esta valoración se basa en guías y regulaciones del dominio de aplicación, en evidencia y en la opinión de los expertos responsables de la decisión. Para motivar el valor práctico y la generalidad de ProCLAIM, este modelo se aplica en dos escenarios distintos: el trasplante de órganos y la gestión de aguas residuales. En el primer escenario el modelo se utiliza para facilitar la deliberación entre dos médicos sobre la viabilidad del transplante de un órgano para un receptor potencial (es decir, si el transplante es seguro). En el segundo escenario varios agentes deliberan sobre si los efectos de un vertido industrial con el propósito de minimizar su impacto medioambiental.

  • Decisiones en los sistemas de saneamiento: un poco de ayuda

     Poch, Manel; Cortes Garcia, Claudio Ulises; Comas, Joaquim; Rodríguez Roda, Ignasi; Sànchez Marrè, Miquel
    Date of publication: 2012-01-06
    Book

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  • Decisions on urban water systems: some support

     Poch Espallargas, Manel; Cortes Garcia, Claudio Ulises; Comas Matas, Joaquim; Rodriguez-Roda, Ignasi; Sànchez Marrè, Miquel
    Date of publication: 2012-09-01
    Book

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    “Water is a scarce resource and its management has to be as effective as possible”. Most of us would certainly agree with this fine sounding phrase. But developing it and putting it into practice is not easy. Firstly, because we are already having problems identifying the meaning or interpretation we give to some words. For example, water as a resource. Water is not just a natural resource, it is the basis of the industrial sector, a generator of cultural heritage and a linchpin of society. And we sometimes use the term scarce when referring to a problem of distribution or overexploitation. In any case, this means that water management is very complex. This is because there are different agents involved and all of them have different interests; these interests are often contradictory and can lead to conflict. Everyone understands the concept of efficient management differently. Efficient: why and for whom? At the same time, we have to make decisions. Decisions that involve a way of managing the resource. For example, authorising (or not) a withdrawal from a water course, building (and how) a treatment plant or defining (what and in which range) the quality parameters guaranteeing its drinkability... These examples, and many more that we could cite, are some of the aspects on which a group of people are responsible for acting, deciding and getting the decisions implemented. The hypothesis presented in this book is that to achieve this efficient management there are no simple formulas or universal solutions. However, this does not mean that all solutions are equally correct. Experience shows us that some are better than others.

  • Red Temática Española para el Avance y la Transferencia de la Inteligencia Computacional Aplicada

     Cortes Garcia, Claudio Ulises; Gibert Oliveras, Karina; Sànchez Marrè, Miquel
    Participation in a competitive project

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  • Premi a la Millor Tesi Doctoral en Accessibilitat i Autonomia Personal

     Urdiales García, Cristina; Cortes Garcia, Claudio Ulises
    Award or recognition

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  • Sistema inteligente IWALKER: rehabilitación colaborativa

     Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises
    Participation in a competitive project

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  • ASSAM - ASSISTANTS FOR SAFE MOBILITY

     Cortes Garcia, Claudio Ulises; Barrue Subirana, Cristian; Martin Rull, Enric Xavier; Roure Fernandez, Francisco; Martinez Velasco, Antonio Benito
    Participation in a competitive project

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  • Fall Detector for the Elder

     Català Mallofré, Andreu; Moreno Arostegui, Juan Manuel; Sama Monsonis, Albert; Perez Lopez, Carlos; Cortes Garcia, Claudio Ulises; Martinez Velasco, Antonio Benito; Romagosa Cabús, Jaume; Cabestany Moncusi, Joan
    Participation in a competitive project

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  • Fall Detector for the Elder

     Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises
    Participation in a competitive project

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  • Integrated prevention and Detection sOlutioNs Tailored to the population and Risk Factors associated with FALLs

     Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises
    Participation in a competitive project

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  • HSCW intelligent management

     Garcia Gasulla, Dario; Poch, Manel; Nieves, Juan Carlos; Cortes Garcia, Claudio Ulises
    IWA Symposium on Systems Analysis and Integrated Assessment
    Presentation of work at congresses

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    This work is motivated by the difficulty of representing Environmental domains in a functional way. We present a formalization approach covering both environmental and computational needs. It allows us to produce an operational software for intelligent decision support on a Horizontal Subsurface Constructed Wetlands (HSCW) while capturing the most significant elements of the domain.

  • Extending the bounded semantics by Logic Programming Semantics

     Nieves, Juan Carlos; Osorio Galindo, Mauricio; Cortes Garcia, Claudio Ulises
    International Conference of the Catalan Association for Artificial Intelligence
    Presentation's date: 2011-10-26
    Presentation of work at congresses

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  • A flexible agent-oriented solution to model organisational and normative requirements in assistive technologies

     Gómez-Sebastià, Ignasi; Garcia Gasulla, Dario; Barrue Subirana, Cristian; Vazquez Salceda, Javier; Cortes Garcia, Claudio Ulises
    International Conference of the Catalan Association for Artificial Intelligence
    Presentation's date: 2011-10-20
    Presentation of work at congresses

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  • Extending the grounded semantics by logic programming semantics

     Nieves Sánchez, Juan Carlos; Osorio Galindo, Mauricio; Cortes Garcia, Claudio Ulises
    International Conference of the Catalan Association for Articial Intelligence
    Presentation's date: 2011-10-26
    Presentation of work at congresses

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  • Wheelchair collaborative control for disabled users navigating indoors

     Urdiales García, Cristina; Férnandez-Carmona, Manuel; Peula, José Ma.; Cortes Garcia, Claudio Ulises; Annicchiarico, Roberta; Caltagirone, Carlo; Sandoval, Francisco
    Artificial intelligence in medicine
    Date of publication: 2011-07-08
    Journal article

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  • A new multi-criteria optimization strategy for shared control in wheelchair assisted navigation

     Urdiales García, Cristina; Peula, José Ma.; Fernández-Carmona, Manuel; Barrue Subirana, Cristian; Pérez, Eduardo J.; Sánchez Tato, I.; del Toro, J.C.; Galluppi, F.; Cortes Garcia, Claudio Ulises; Annicchiarico, Roberta; Caltagirone, Carlo; Sandoval, Francisco
    Autonomous robots
    Date of publication: 2011-02-01
    Journal article

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    In todays aging society, many people require mobility assistance, that can be provided by robotized assistive wheelchairs with a certain degree of autonomy when manual control is unfeasible due to disability. Robot wheelchairs, though, are not supposed to be completely in control because lack of human intervention may lead to loss of residual capabilities and frustration. Most of these systems rely on shared control, which typically consists of swapping control from human to robot when needed. However, this means that persons never deal with situations they find difficult. We propose a new shared control approach to allow constant cooperation between humans and robots, so that assistance may be adapted to the user’s skills. Our proposal is based on the reactive navigation paradigm, where robot and human commands become different goals in a Potential Field. Our main novelty is that human and robot attractors are weighted by their respective local efficiencies at each time instant. This produces an emergent behavior that combines both inputs in an efficient, safe and smooth way and is dynamically adapted to the user’s needs. The proposed control scheme has been successfully tested at hospital Fondazione Santa Lucia (FSL) in Rome with several volunteers presenting different disabilities.

  • Supporting decision making in urban wastewater systems using a knowledge-based approach

     Aulinas Masó, Montse; Nieves Sánchez, Juan Carlos; Cortes Garcia, Claudio Ulises; Poch, Manel
    Environmental modelling & software
    Date of publication: 2011-05-01
    Journal article

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    The use of knowledge-based systems has been shown to be a suitable approach to support decision making in environmental systems. Capturing and managing the huge quantity of data/information that has to be considered is an intrinsic factor that makes environmental systems a sophisticated domain. Organizing this data in a naive way can impact the efficacy of any knowledge-based system. Another intrinsic factor is the variety of data sources, which can result in inconsistent, uncertain or incomplete knowledge bases when different data sources are considered. Accordingly, two central issues of a successful knowledge-based system are the organization of its knowledge base and the expressiveness of its specification language. In this paper, we introduce a stratified framework for structuring any environmental knowledge base. We will argue that a declarative specification language, such as Answer Set Programming, is expressive enough to capture environmental knowledge bases that are inconsistent, uncertain and incomplete. We also present an automata-based approach to manage actions in knowledge-based systems. By solving a use case, specifically the diagnosis of the safety of a particular industrial wastewater discharge in an urban wastewater system, we illustrate how to represent relevant abstractions to model related complex processes. We show that by using them it is also possible to automate the diagnosis process (in the present case, for example, to diagnose problems at a wastewater treatment plant and afterward in the river) and hence support the decision-making task.

  • Artificial Intelligence tools applied to wastewater treatment

     Sànchez Marrè, Miquel; Cortes Garcia, Claudio Ulises
    Date of publication: 2011-07-01
    Book chapter

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    The selection of an appropriate technique for the supervision and control of complex processes is crucial for achieving optimal results. A lot of effort, therefore, has been devoted to developing more efficient methodologies

  • Caminador intel·ligent com a eina per rehabilitació arc inferior AVC

     Martinez Velasco, Juan Antonio; Martin Rull, Enric Xavier; Roure Fernandez, Francisco; Cortes Garcia, Claudio Ulises; Martinez Velasco, Antonio Benito
    Participation in a competitive project

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  • La intel·ligència

     Cortes Garcia, Claudio Ulises; Coll, Maria
    Valors
    Date of publication: 2011-11-01
    Journal article

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  • The i-Walker : an intelligent pedestrian mobility aid

     Barrue Subirana, Cristian; Annicchiarico, Roberta; Cortes Garcia, Claudio Ulises; Martinez Velasco, Antonio Benito; Martin Rull, Enric Xavier; Campana, Fabio; Caltagirone, Carlo
    Date of publication: 2010
    Book chapter

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  • Cultural Algorithms: Less is More

     Almirall Mezquita, Esteban; Cortes Garcia, Claudio Ulises
    International Conference of the Catalan Association for Artificial Intelligence
    Presentation's date: 2010-10-22
    Presentation of work at congresses

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  • Reasoning about actions for the management of urban wastewater systems using a causal logic

     Garcia Gasulla, Dario; Cortes Garcia, Claudio Ulises; Nieves, Juan Carlos
    International Congress on Environmental Modelling and Software
    Presentation's date: 2010-07-07
    Presentation of work at congresses

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    The management of Urban Wastewater Systems (UWS) is a critical and difficult process. Handling polluted water in UWS requires planning and decision making regarding sectors such as environmental, energetic, industrial, etc. In order to represent all the significant concepts, a powerful and flexible formalism is needed. Nowadays, there are solid approaches based on nonmonotonic reasoning which can capture dynamic domains such UWS. In this paper, we present an implementation of a real UWS in the action language Causal Calculator (CCalc-C+) which displays all the singularities of such domain and within which complex queries can be performed. The nonmonotonic causal theory, upon which is based CCalc, allows us to represent some characteristics of UWS such as nondeterministic actions and indirect effects of actions. We will capture the situations and the transitions of the UWS domain and represent them in the form of a finite state machine. CCalc allows us to perform queries regarding; the effects of actions, action planning to reach a certain state and path finding. The resultant work can be used in actual UWS to aid at the decision making process, simplifying the reasoning about actions and allowing a close representation of the real state of UWS.

  • ALIVE meets SHARE-it : an agent-oriented solution to model organisational and normative requirements in assistive technologies

     Gomez Sebastia, Ignasi; Garcia Gasulla, Dario; Barrue Subirana, Cristian; Vazquez Salceda, Javier; Cortes Garcia, Claudio Ulises
    International Conference on eHealth
    Presentation's date: 2010-12-13
    Presentation of work at congresses

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    Assistive technologies represent a recent application area of a wide variety of Arti cial Intelligence methods and tools to support people in their activities of daily living. But most approaches do only center in the direct interaction between the user and the assistive tool, without taking into consideration the important role that other actors (caregivers, relatives) may have in the user activities, nor they explicitly re ect the norms and regulations that apply in such scenarios. In this paper we present an approach to the development of assistive technologies which uses organisational and normative elements to ease the design of both the social network arround the user and their expected behavioural patterns.

  • Using situation calculus for normative agents in urban wastewater systems

     Nieves, Juan Carlos; Garcia Gasulla, Dario; Aulinas Masó, Montse; Cortes Garcia, Claudio Ulises
    International Conference on Practical Applications of Agents and Multiagent Systems
    Presentation's date: 2010-04-26
    Presentation of work at congresses

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    Water quality management policies on a river basin scale are of special importance in order to prevent and/or reduce pollution of several human sources into the environment. Industrial effluents represent a priority issue particularly in Urban Wastewater Systems (UWS) that receive mixed household and industrial wastewaters, apart from rainfall water. In this paper, we present an analysis and an implementation of normative agents which capture concrete regulations of the Catalan pollution-prevention policies. The implementation of the normative agents is based on situation calculus.

  • iTutorials for the support of elderly population with cognitive impairment.

     Rubio, Carolina; Annicchiarico, Roberta; Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises; Caltagirone, Carlo
    International Conference of the Catalan Association for Artificial Intelligence
    Presentation's date: 2010-10-22
    Presentation of work at congresses

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  • Assistive technologies for the new generation of senior citizens: the SHARE-it approach

     Cortes Garcia, Claudio Ulises; Barrue Subirana, Cristian; Martinez Velasco, Antonio Benito; Urdiales García, Cristina; Campana, Fabio; Annicchiarico, Roberta; Caltagirone, Carlo
    International journal of computers in healthcare
    Date of publication: 2010-07-07
    Journal article

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    In this paper, we present the SHARE-it approach to the integration of agent technology with other existing technologies to build specific intelligent and semi-autonomous assistive devices for older persons and people with disabilities (both cognitive and/or motor). In particular, we explored the benefits of the concept of situated intelligence to build mobility platforms and other artefacts that enhance the autonomy of the target user group in their daily life so that they can be self-dependent enough to autonomously live in their preferred environment.

  • Metodología de caracterización conceptual por condicionamientos sucesivos. Una aplicación a sistemas medioambientales

     Pérez Bonilla, Alejandra Alicia
    Defense's date: 2010-01-12
    Department of Statistics and Operations Research, Universitat Politècnica de Catalunya
    Theses

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  • Collaborative assistive robot for mobility enhancement (CARMEN)

     Urdiales García, Cristina
    Defense's date: 2010-11-26
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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  • MILKING THE REPUTATION COW: ARGUMENTATION, REASONING AND COFNITIVE AGENTS

     PIÑOL CATADAU, ISAAC
    Defense's date: 2010-10-18
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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  • Personalized adaptive Training for Rehabilitation

     Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises
    Participation in a competitive project

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  • AGENT-BASED MANAGEMENT OF CLINICAL GUIDELINES.

     Isern Alarcón, David
    Defense's date: 2009-02-05
    Department of Software, Universitat Politècnica de Catalunya
    Theses

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  • Reasoning about actions for the management of Urban Wastewater System: preliminary report

     Nieves, Juan Carlos; Aulinas Masó, Montse; Cortes Garcia, Claudio Ulises
    Congrés Internacional de l'Associació Catalana d'Intel·ligència Artificial
    Presentation of work at congresses

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    It is well-known that the management of Urban Wastewater Systems (UWS) is a complex and critical process. To decide which is the correct sequence of actions for managing a given circumstance it is necessary a sophisticated analysis of hypothetical impact of these. Hence, the design of intelligent systems able to perform temporal projections based on the description of actions could help to deal with risk scenarios. In this paper, we propose to use recent developments in knowledge representation languages and non-monotonic reasoning methodologies for representing and reasoning about actions for the Management of Urban Wastewater Systems. To this end, we explore the use of an action representation language called A for reasoning about the actions in the management of UWS. In particular, we consider the problem of industrial discharges. We present a declarative representation of a transition function from states and actions to states which allows us to make conclusions about a particular situation that may arise if one performs a particular sequence of actions.

  • Legal concerns regarding AmI assisted living in the elderly, worldwide and in Romania

     Spiru, Luiza; Stefan, Lucian; Turcu, Ileana; Ghita, Camelia; Ioancio, Ioana; Nuta, Costin; Blaciotti, Mona; Martin, Mariana; Cortes Garcia, Claudio Ulises; Annicchiarico, Roberta
    International Work-Conference on Artificial Neural Networks
    Presentation's date: 2009-06-10
    Presentation of work at congresses

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  • A metrics review for performance evaluation on assisted wheelchair navigation

     Urdiales García, Cristina; Peula, José Ma.; Cortes Garcia, Claudio Ulises; Barrue Subirana, Cristian; Fernández-Espejo, Blanca; Annicchiarico, Roberta; Sandoval, Francisco; Caltagirone, Carlo
    International Work-Conference on Artificial Neural Networks
    Presentation's date: 2009-06-10
    Presentation of work at congresses

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    In nowadays aging society, many people require assistance for non-pedestrian mobility. In some cases, assistive devices require a certain degree of autonomy when the persons’ disabilities difficult manual control. In this field, it is important to rate user performance to check how much help he/she needs. This paper presents an overview of common metrics for wheelchair navigation, plus some proposed by authors to take into account new approaches to wheelchair control. We present an example of proposed metrics on a robotized Meyra wheelchair at Santa Lucia Hospedale in Rome to prove their meaning and adequacy.

  • Using scenarios to draft the support of intelligent tools for frail elders in the SHARE-it approach

     Annicchiarico, Roberta; Campana, Fabio; Federici, Alessia; Barrue Subirana, Cristian; Cortes Garcia, Claudio Ulises; Villar, Alfredo; Caltagirone, C.
    International Work-Conference on Artificial Neural Networks
    Presentation's date: 2009-06-10
    Presentation of work at congresses

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  • Normal versus pathological cognitive aging: variability as a constraint of patients profiling for AmI design

     Spiru, Luiza; Ghita, Camelia; Turcu, Ileana; Stefan, Lucian; Ioancio, Ioana; Nuta, Costin; Blaciotti, Mona; Martin, Mariana; Cortes Garcia, Claudio Ulises; Annicchiarico, Roberta
    International Work-Conference on Artificial Neural Networks
    Presentation's date: 2009-06-11
    Presentation of work at congresses

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