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6th International Workshop on Software engineering and Middleware

作者： Munroe, Steve Miles, Simon Moreau, Luc Vázquez-Salceda, Javier Electronics and Computer Science University of Southampton Southampton United Kingdom Knowledge Engineering and Machine Learning Group Universitat Politécnica de Catalunya Barcelona Spain

ISBN: (纸本)1595935851

Provenance is a concept often used in the Art world to refer to the documented history of an artifact, providing information about the artifact's lineage and authenticity. Provenance-aware applications similarly allow their users to have confidence about the data they produce, and can enable users to make judgements relating to notions of trust, accountability, validation, replication and compliance of their data. PrIMe is a software engineering methodology for adapting applications to enable them to interact with a provenance middleware layer, thereby making them provenance-aware. Such applications allow users to answer questions about provenance use cases, which are descriptions of scenarios in which a user interacts with a system by performing particular functions on that system. In order to illustrate how PrIMe can make applications provenance-aware, an Organ Transplant Management example application is used. Copyright 2006 ACM.

关键词： Software engineering

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Ontological aspects of the implementation of norms in agent-based electronic institutions

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Computational and Mathematical Organization Theory 2006年第2-3 SPEC. ISS.期12卷 251-275页

作者： Grossi, Davide Aldewereld, Huib Vázquez-Salceda, Javier Dignum, Frank Institute of Information and Computing Sciences Utrecht University P.O. Box 80.089 3508 TB Utrecht Netherlands Knowledge Engineering and Machine Learning Group Universitat Politècnica de Catalunya Jordi Girona 1-3 Barcelona Spain

In order to regulate different circumstances over an extensive period of time, norms in institutions are stated in a vague and often ambiguous manner, thereby abstracting from concrete aspects which become instead relevant for the actual functioning of the institutions. If agent-based electronic institutions, which adhere to a set of abstract requirements, are to be built, how can those requirements be translated into more concrete constraints, the impact of which can be described directly in the institution? We address this issue considering institutions as normative systems based on articulate ontologies of the agent domain they regulate. Ontologies, we hold, are used by institutions to relate the abstract concepts in which their norms are formulated, to their concrete application domain. In this view, different institutions can implement the same set of norms in different ways as far as they presuppose divergent ontologies of the concepts in which that set of norms is formulated. In this paper we analyse this phenomenon introducing a notion of contextual ontology. We will focus on the formal machinery necessary to characterise it as well. © Springer Science + Business Media, LLC 2006.

关键词： Ontology

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Agents deliberating over action proposals using the ProCLAIM model

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5th International Central and Eastern European Conference on Multi-Agent Systems

作者： Tolchinsky, Pancho Atkinson, Katie McBurney, Peter Modgil, Sanjay Cortes, Ulises Knowledge Engineering and Machine Learning Group Technical University of Catalonia Spain Department of Computer Science University of Liverpool Liverpool United Kingdom Advanced Computation Lab. Cancer Research UK

ISBN: (纸本)9783540752530

In this paper we propose a dialogue game for agents to deliberate over a proposed action. The agents' dialogue moves are defined by a structured set of argument schemes and critical questions (CQs). Thus, a dialogue move is an instantiated scheme (i.e. an argument) or a CQ (i.e. a challenge on the argument instantiated in the scheme). The proposed dialogue game formalises the protocol based exchange of arguments defined in the ProCLAIM model. This model provides a setting for agents to deliberate over whether, given the arguments for and against, a proposed action is justified or not.

关键词： Software agents

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Bringing action language c+ to normative contexts: Preliminary report

Bringing action language c+ to normative contexts: Prelimina...

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6th Latin American Workshop on Non-Monotonic Reasoning, LANMR 2010

作者： Garcia-Gasulla, Dario Nieves, Juan Carlos Knowledge Engineering and Machine Learning Group Universitat Politecnica de Catalunya C/Jordi Girona 1-3 K2M-201 Barcelona Spain

C+ is an action language for specifying and reasoning about the e®ects of actions and the persistence of facts over time. Based on it we present CN+, an operational enhanced form of C+ designed for rep-resenting complex normative systems and integrate them easily into the semantics of the causal theory of actions. The proposed system contains a particular formalization of norms using a life-cycle approach to cap-ture the whole normative meaning of a complex normative framework. We discuss this approach and illustrate it with examples.

关键词： Semantics

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A Flexible Agent-Oriented Solution to Model Organisational and Normative Requirements in Assistive Technologies

A Flexible Agent-Oriented Solution to Model Organisational a...

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13th International Conference of the Catalan-Association-for-Artificial-Intelligence (CCIA)

作者： Gomez-Sebastia, Ignasi Garcia-Gasulla, Dario Barrue, Cristian Vazquez-Salceda, Javier Cortes, Ulises Knowledge Engineering and Machine Learning Group Spain Departament de Llenguatges i Sistemes Informátics Universitat Politécnica de Catalunya (UPC) E-08034 Barcelona C/Jordi Girona 1-3 Spain

ISBN: (纸本)9781607506430;9781607506423

Assistive technologies represent a recent application area of a wide variety of Artificial 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 reflect 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.

关键词： Assistive technologies personalised services normative systems normative agents agent-oriented software design

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A multi-agent system for water management in river basins

A multi-agent system for water management in river basins

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4th Biennial Meeting of International Congress on Environmental Modelling and Software: Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008

作者： Rendón-Sallard, T. Sànchez-Marrè, M. Aulinas, M. Comas, J. Knowledge Engineering and Machine Learning Group Universitat Politècnica de Catalunya c/Jordi Girona 1-3 E08034 Barcelona Spain Laboratory of Chemical and Environmental Engineering University of Girona Catalonia Spain

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Modality argumentation programming

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3rd International Conference on Modeling Decisions for Artificial Intelligence, MDAI 2006

作者： Nieves, Juan Carlos Cortés, Ulises Universitat Politècnica de Catalunya Knowledge Engineering and Machine Learning Group Departament de Lleguatges i Sistemes Informatics c/Jordi Girona 1-3 E08034 Barcelona Spain

ISBN: (纸本)3540327800

This work is focus in the following critical questions: 1. How to incorporate modalities in the process of argumentation reasoning? 2. Is it possible to build arguments faced with incomplete information? Our proposal is based in a specification language which has the following properties: a) it permits to give specifications of modalities in a natural way;b) it defines a process of argumentation reasoning considering modalities;and c) it permits to build arguments from incomplete information. © Springer-Verlag Berlin Heidelberg 2006.

关键词： Artificial intelligence

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Towards practical normative agents: A framework and an implementation for norm-aware planning

Towards practical normative agents: A framework and an imple...

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7th International Workshop on Coordination, Organizations, Institutions, and Norms in Agent System VII - IEEE/WIC/ACM International Conference on Intelligent Agent Technology, COIN@WI-IAT 2011

作者： Panagiotidi, Sofia Vázquez-Salceda, Javier Knowledge Engineering and Machine Learning Group Universitat Politècnica de Catalunya - BarcelonaTECH Campus Nord UPC Edifici K2M C/ Jordi Girona 1-3 08034 Barcelona Spain

ISBN: (纸本)9783642355448

Nowadays there is an important increase in the adoption and use ofdistributed computational solutions which are growing both in size (from tensto hundreds or even thousands of components, computational entities or actors)and in complexity (from closed, static, pre-defined interactions to more open,dynamic ones stablished at run-time). In this scenario one way to tame such complexityis to add a social layer on top regulating or shaping the behaviour of theactors in the system. One of those social abstractions that has been explored inliterature is the use of computational models of (social or organisational) *** of these approaches see norms as a way to specify acceptable agent behaviourin some (distributed) context. In literature there is a lot of work on normtheories, models and specifications on how agents might take norms into accountwhen reasoning but few practical implementations. In this paper we present a firststep into the implementation of practical normative agents by describing a frameworkand an implementation of norm-oriented planning. In this framework normscan be either obligations or prohibitions which can be violated, and are accompaniedby repair norms in case they are breached. Unlike most frameworks, ourapproach takes into consideration the operationalisation of norms during the plangeneration phase. Norm operational semantics is expressed as an extension/ontop of STRIPS semantics, acting as a form of temporal restrictions over the trajectories(plans) computed by the planner. In combination with the agent's utilityfunctions over the actions, the norm-aware planner computes the most profitabletrajectory concluding to a state of the world where no pending obligations existand any (obligation/prohibition) violation has been handled. An implementationof the framework in PDDL is described. © Springer-Verlag Berlin Heidelberg 2012.

关键词： Semantics

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Coordination and organisational mechanisms applied to the development of a dynamic, context-aware information service

Coordination and organisational mechanisms applied to the de...

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2nd International Conference on Agents and Artificial Intelligence, ICAART 2010

作者： Palau, Manel Ceccaroni, Luigi Gómez-Sebastià, Ignasi Vázquez-Salceda, Javier Nieves, Juan Carlos TMT Factory C/ Moià 1 planta 1 E08006 Barcelona Spain Knowledge Engineering and Machine Learning Group UPC C/Jordi Girona 1-3 E08034 Barcelona Spain

ISBN: (纸本)9789896740221

A multi-agent system design-methodology is used to address the highly dynamic, regulated, complex, distributed environment of interconnected services. A framework of three interconnected levels is applied to tackle this issue relying on coordination and organisational techniques, as well as on Web-services and new methodologies to design, deploy and maintain a distributed system. This paper presents results based on a real use case: interactive community displays with touristic information and services, dynamically personalised according to user context and preferences.

关键词： Multi agent systems

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Towards an agent-based design for the management of Urban Wastewater Systems

Towards an agent-based design for the management of Urban Wa...

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4th Biennial Meeting of International Congress on Environmental Modelling and Software: Integrating Sciences and Information Technology for Environmental Assessment and Decision Making, iEMSs 2008

作者： Aulinas, M. Poch, M. Cortés, U. Laboratory of Chemical and Environmental Engineering University of Girona Campus Montilivi s/n E-17071 Girona Catalonia Spain Knowledge Engineering and Machine Learning Group Technical University of Catalonia c/Jordi Girona 1 and 3 E-08034 Barcelona Spain

ISBN: (纸本)9788476530740

Urban Wastewater Systems (UWS) have an important role in nowadays growing and urbanized areas. The management of the water and wastewater cycle in these areas is complex since wastewater sources are both heterogeneous and rapidly changing. Moreover, it implies to deal with different spatial and temporal references and to adapt to the changing conditions that might appear in both natural and urban environments. New paradigms are required to be undertaken when designing and modelling this complex dynamic system, since the need to communicate the embedded elements is essential for an efficient and effective management and a better understanding of the UWS. Multi-Agent Systems (MAS) are systems composed of several software agents that collectively are capable of reaching goals that are difficult to achieve by individuals. The concept of MAS shapes an important step towards the possibility to design the system to reach decisions in a more collaboratively and integrated way. The paper proposes a primary but consistent design of UWS using an agent-oriented methodology (GAIA). The agents in the UWS are designed in terms of the roles they can perform, so the activities and protocols they act upon, which finally depict a detailed description of the relations in between them. A general hierarchy between the agents is also given (e.g. the acquaintance model). Therefore, the agent-oriented design enables to depict both micro and macro level design of the UWS management.

关键词： Multi agent systems

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