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Journal Cover   ADCAIJ : Advances in Distributed Computing and Artificial Intelligence Journal
  [7 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2255-2863
   Published by Universidad de Salamanca Homepage  [3 journals]
  • Index Vol. 2, num. 8, 2014

    • Authors: Ediciones Universidad de Salamanca
      PubDate: 2014-10-15
      Issue No: Vol. 3 (2014)
  • Impact of the Mobility Models, Route and Link connectivity on the
           performance of Position based routing protocols

    • Authors: Adam MACINTOSH, Ming FEISIYAU, Mohammed GHAVAMI
      Abstract: This paper investigate the fundamental factors “mobility models, route and link connectivity” in Mobile Ad hoc networks (MANET) which have a major impact on the performance of position based routing protocols. In addition, a new measurement method called probability of communication process is proposed. The method is used to measure the success rate of established path by a MANET routing protocol, which allow to stress test and inspect the stability, scalability and adaptability of MANET routing protocols. We analysed the effect of “route and link connectivity” on the performance of protocols under two different mobility models. Results show the evaluation and performance of the proposed protocol under a unified simulation environment for different scenarios.
      PubDate: 2014-10-15
      Issue No: Vol. 3 (2014)
  • Smart device definition and application on embedded system: performance
           and optimi-zation on a RGBD sensor

    • Authors: Jose-Luis JIMÉNEZ-GARCÍA, David BASELGA-MASIA, Jose-Luis POZA-LUJÁN, Eduardo MUNERA, Juan-Luis POSADAS-YAGÜE, José-Enrique SIMÓ-TEN
      Abstract: Embedded control systems usually are characterized by its limitations in terms of computational power and memory. Although this systems must deal with perpection and actuation signal adaptation and calculate control actions ensuring its reliability and providing a certain degree of fault tolerance. The allocation of these tasks between some different embedded nodes conforming a distributed control system allows to solve many of these issues. For that reason is proposed the application of smart devices aims to perform the data processing tasks related with the perception and actuation and offer a simple interface to be configured by other nodes in order to share processed information and raise QoS based alarms. In this work is introduced the procedure of implementing a smart device as a sensor as an embedded node in a distributed control system. In order to analyze its benefits an application based on a RGBD sensor implemented as an smart device is proposed.
      PubDate: 2014-10-15
      Issue No: Vol. 3 (2014)
  • Formal Language Decomposition into Semantic Primes

    • Authors: Johannes FÄHNDRICH, Sebastian AHRNDT, Sahin ALBAYRAK
      Abstract: This paper describes an algorithm for semantic decomposition. For that we surveys languages used to enrich contextual information with semantic descriptions. Such descriptions can be e.g. applied to enable reasoning when collecting vast amounts of information. In particular, we focus on the elements of the languages that make up their semantic. To do so, we compare the expressiveness of the well-known languages OWL, PDDL and MOF with a theory from linguistic called the Natural Semantic Metalanguage. We then analyze how the semantic of the language is build up and describe how semantic decomposition based on the semantic primes can be used for a so called mental lexicon. This mental lexicon can be used to reason upon semantic service description in the research domain of service match making.
      PubDate: 2014-10-15
      Issue No: Vol. 3 (2014)
  • Multi-Agent Model based on Tabu Search for the Permutation Flow Shop
           Scheduling Problem

    • Authors: Hafewa BARGAOUI, Olfa BELKAHLA DRISS
      Abstract: The objective of this work is to present a distributed approach for the problem of finding a minimum makespan in the permutation flow shop scheduling problem. The problem is strongly NP-hard and its resolution optimally within a reasonable time is impossible. For these reasons we opted for a Multi-agent architecture based on cooperative behaviour allied with the Tabu Search meta-heuristic. The proposed model is composed of two classes of agents: Supervisor agent, responsible for generating the initial solution and containing the Tabu Search core, and Scheduler agents which are responsible for the satisfaction of the constraints under their jurisdiction and the evaluation of all the neighborhood solutions generated by the Supervisor agent. The proposed approach has been tested on different benchmarks data sets and results demonstrate that it reaches high-quality solutions.
      PubDate: 2014-10-14
      Issue No: Vol. 3 (2014)
  • Developing multimodal conversational agents for an enhanced e-learning

    • Authors: David GRIOL, Jose Manuel MOLINA, Araceli SANCHÍS DE MIGUEL
      Abstract: Conversational agents have become a strong alternative to enhance educational systems with intelligent communicative capabilities, provide motivation and engagement, and increment significant learning and helping in the acquisition of meta-cognitive skills. In this paper, we present Geranium, a multimodal conversational agent that helps children to appreciate and protect their environment. The system, which integrates an interactive chatbot, has been developed by means of a modular and scalable framework that eases building pedagogic conversational agents that can interact with the students using speech and natural language.
      PubDate: 2014-10-14
      Issue No: Vol. 3 (2014)
  • Sparks in the Fog: Social and Economic Mechanisms as Enablers for
           Community Network Clouds

    • Authors: Muhammad Amin KHAN, Felix FREITAG
      Abstract: Internet and communication technologies have lowered the costs of enabling individuals and communities to collaborate together. This collaboration has provided new services like user-generated content and social computing, as evident from success stories like Wikipedia. Through collaboration, collectively built infrastructures like community wireless mesh networks where users provide the communication network, have also emerged. Community networks have demonstrated successful bandwidth sharing, but have not been able to extend their collective effort to other computing resources like storage and processing. The success of cloud computing has been enabled by economies of scale and the need for elastic, flexible and on-demand provisioning of computing services. The consolidation of today’s cloud technologies offers now the possibility of collectively built community clouds, building upon user-generated content and user-provided networks towards an ecosystem of cloud services. We explore in this paper how social and economic mechanisms can play a role in overcoming the barriers of voluntary resource provisioning in such community clouds, by analysing the costs involved in building these services and how they give value to the participants. We indicate socio-economic policies and how they can be implemented in community networks, to ease the uptake and ensure the sustainability of community clouds.
      PubDate: 2014-10-14
      Issue No: Vol. 3 (2014)
  • CronoClock: A Multiagent Mobile Model to Assist Drivers in Park Zones

    • Authors: María NAVARRO, Fernando DE LA PRIETA, Gabriel VILLARRUBIA, Mohd Saberi MOHAMAD MOHAMAD
      Abstract: We present a model based on multiagent environment to help users of park zones. A multiagent system is built to communicate the different roles and devices belonging to the system. The result is a model that assists the different users in their payments and identifies the vehicle plate by image recognition and NFC (Near Field Communication) technology. An evaluation of the system is provided to know the efficiency of the model.
      PubDate: 2014-10-14
      Issue No: Vol. 3 (2014)
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