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Context-Aware Dynamic Service Composition in Ubiquitous Environment

K. Tari, Y. Amirat, A. Chibani, A. Yachir, A. Mellouk
2010 2010 IEEE International Conference on Communications  
The service composition aims to provide a variety of high level services. Recent approaches cannot fully satisfy the requirement raised by ubiquitous environment.  ...  The proposed approach is tested, under USARSim simulator, on a set of ubiquitous services for assisting elderly or dependant person in a residential environment.  ...  Hence, this paper is focused on the dynamic service composition in the ubiquitous environment.  ... 
doi:10.1109/icc.2010.5502384 dblp:conf/icc/TariACYM10 fatcat:fue5l3434jbqzipxebid3weopa

CASCOM: Context-Aware Service Co-ordination in Mobile P2P Environments [chapter]

Heikki Helin, Matthias Klusch, António Lopes, Alberto Fernández, Michael Schumacher, Heiko Schuldt, Federico Bergenti, Ari Kinnunen
2005 Lecture Notes in Computer Science  
The research project CASCOM (Context-aware Business Application Service Co-ordination in Mobile Computing Environments) will implement, validate, and trial value-added support for business services for  ...  The vision of the CASCOM approach is that ubiquitous application services are flexibly co-ordinated and pervasively provided to the mobile users by intelligent agents in dynamically changing contexts of  ...  Further, context-awareness is investigated in the context of IP2P environment and we will develop context-aware agents which provide various business application services.  ... 
doi:10.1007/11550648_26 fatcat:6pxty5lz6zebvmolor52lwwfdy

Ubiquitous networked robots

Yacine Amirat, Abdelhamid Mellouk, Norihiro Hagita, Dezhen Song
2012 Annales des télécommunications  
, self-adaptation, and context awareness with uncertainty management.  ...  The proposed approach allows the robot to progressively acquire environmental awareness by interacting with the smart objects located in the space.  ...  An important challenge shared by ubiquitous computing and UNR and consisting in providing context-aware services in dynamic environments under response time constraint is addressed by J.-Y. Tigli S.  ... 
doi:10.1007/s12243-012-0314-y fatcat:4nnbicwv55chhntn3bcltvsekm

QoS-Aware Middleware for Ubiquitous Environment: A Review and Proposed Solution

Anas Al-Roubaiey, M. AL-Rhman Alkhiaty
2014 Journal of Computational Engineering  
Furthermore we present some existing middleware solutions for ubiquitous environments, and propose our middleware-based architecture to facilitate the user interaction in such environment.  ...  Ubiquitous computing has introduced a new era of computing. Compared to traditional distributed systems, ubiquitous computing systems feature increased dynamism and heterogeneity.  ...  The main challenges for building ubiquitous middleware software are the support to the user mobility, the environment dynamicity, the underline heterogeneity, the context awareness and adaptiveness, services  ... 
doi:10.1155/2014/725960 fatcat:m5rcoxtkenen7lwyyjljl23rwq

A Perspective on Middleware-Oriented Context-Aware Pervasive Systems

Zakwan Jaroucheh, Xiaodong Liu, Sally Smith
2009 2009 33rd Annual IEEE International Computer Software and Applications Conference  
The evolving concepts of mobile computing, context-awareness, and ambient intelligence are increasingly influencing user's experience of services.  ...  their preferences and the overall operating context.  ...  Context-aware Service Composition Composition in Mobile Environment Research in service composition has followed two directions: One direction defines languages to formally describe services and composite  ... 
doi:10.1109/compsac.2009.142 dblp:conf/compsac/JarouchehLS09 fatcat:aeeg2qewh5a4hh5ofgghddr3hu

Toward Dynamic Adoption for a User's Situation Information in a Context-Aware Workflow System [chapter]

Yongyun Cho, Kyoungho Shin, Jongsun Choi, Jaeyoung Choi
2007 Lecture Notes in Computer Science  
A service in the ubiquitous computing environments must be executed according to a user's situation information, which is generated dynamically from sensors.  ...  In this paper, we propose a context-aware workflow system, for ubiquitous computing environments, which can apply changes of user's service demand or situation information into an on-going workflow without  ...  is dynamically generated from various sensors in ubiquitous environments [4] .  ... 
doi:10.1007/978-3-540-72588-6_41 fatcat:zxkx2rhulvfjpgyhigpn2rz7ue

Dedicated Programming Support for Context-Aware Ubiquitous Applications

Malte Appeltauer, Robert Hirschfeld, Tobias Rho
2008 2008 The Second International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies  
Ubiquitous mobile applications often require dynamic context information for user-specific computation.  ...  This paper motivates Context-oriented Programming (COP) for ubiquitous computing.  ...  Implementation issues of context-aware services are discussed in Section 2.2. We will give an example for a service-based mobile application in Section 2.1.  ... 
doi:10.1109/ubicomm.2008.56 fatcat:5csiytx4gbgwxpqwjtwu3w3h3q

Consistent Management of Context Information in Ubiquitous Systems [chapter]

Gabriel Guerrero-Contreras, José Luis Garrido, Sara Balderas-Díaz, Carlos Rodríguez-Domínguez
2014 Lecture Notes in Computer Science  
INTRODUCTION (1) • Context-aware systems use the context information to make decisions about their future behavior • Ubiquitous environments make use of context-aware techniques to provide a natural and  ...  CASE STUDY • In a hospital there is an Emergency service which form part of an ubiquitous environment • The Emergency service will look for the most appropriate doctor to attend the emergency CONCLUSIONS  ...  Context Manager Replica 1 Context Information Emergency Service The doctor is in the hospital Context Manager Replica 2 Context Information The doctor is in the ambulance  ... 
doi:10.1007/978-3-319-11692-1_16 fatcat:ocrbo7yk7jemzatj3yipgkkgeq

Ubiquitous System Software

2004 IEEE pervasive computing  
Motivated by the complexity required to support context awareness, we propose constructing context-aware applications as dynamically composed sequences of calls to Web Services.  ...  Such systems require • A self-organizing infrastructure • Dynamic topology • A hop connection • Decentralized service • Integrated routing • Context awareness So, we're designing middleware that can provide  ... 
doi:10.1109/mprv.2004.1321029 fatcat:gl7ezimbq5fqfaiwmv6oza5e6a

A Workflow Language Based on Structural Context Model for Ubiquitous Computing [chapter]

Joohyun Han, Yongyun Cho, Jaeyoung Choi
2005 Lecture Notes in Computer Science  
In this paper, we propose uWDL, Ubiquitous Workflow Description Language, to specify context information on the transition constraints of a workflow in order to support adaptive services, and we designed  ...  Workflows used in business processes and distributed computing environments have supported service automation by connecting many tasks with rules and/or orderings.  ...  Acknowledgements This research is supported by the Ubiquitous Autonomic Computing and Network Project, the Ministry of Information and Communication (MIC) 21st Century Frontier R&D Program in Korea.  ... 
doi:10.1007/11596356_87 fatcat:qltylbetczclfpn35ixquzjk3u

Validation of Context Based Service Discovery Protocol for Ubiquitous Applications

Anandi Giridharan
2012 International Journal of UbiComp  
In this work, we present an approach for automated validation of C-IOB based service discovery model in a typical ubiquitous museum environment, where the external behavior of the system can be predicted  ...  Potentially, the context information of the users and surrounding environment can be used to improve the quality of service matching.  ...  Service composition framework of C-IOB model in U-museum environment: Interaction between various components of context aware Service Discovery Protocol is shown in figure 6 .  ... 
doi:10.5121/iju.2012.3402 fatcat:zesj4lp4fvbgjlxb3nmq4oixcq

A Synergy of Semantic and Context Awareness for Service Composition in Ubiquitous Environment

Tarik Fissaa, Hatim Guermah, Mahmoud El Hamlaoui, Hatim Hafiddi, Mahmoud Nassar
2018 Computer and Information Science  
In this work we propose an approach for composition of context aware services in a semantic manner, Artificial Intelligence planning is used to automate the composition starting from a defined objectif  ...  Service composition in an important facet in service oriented architecture, it's about the idea of assembling atomic services to satisfy a demand rather than building new applications from 'scratch', From  ...  Since ubiquitous computing environments are very dynamic and unpredictable, AI planning methods are more suitable and useful for creating dynamic service composition than workflow methods.  ... 
doi:10.5539/cis.v11n2p88 fatcat:uhvmnvalpzf45pt64742golf4q

A Component-Based Reflective Middleware Approach to Context-Aware Adaptive Systems [chapter]

Zhang Kuo, Wu Yanni, Zheng Zhenkun, Wang Xiaoge, Chen Yu
2005 Lecture Notes in Computer Science  
, context awareness.  ...  In ubiquitous computing environment, a middleware abstracting a unified service for various types of applications operating over a static environment is not valid; in particular, ubiquitous applications  ...  So ubiquitous applications should address the characteristics: such as context awareness and dynamic configurations.  ... 
doi:10.1007/11531371_55 fatcat:2se6sqmcy5cwlbungdxztch6ua

NGSON: features, state of the art, and realization

Seung-Ik Lee, Shin-Gak Kang
2012 IEEE Communications Magazine  
To provide better quality of experience to users in this ubiquitous and dynamic environment, next-generation SON (NGSON) was introduced to support context-aware, dynamically adaptive, and selforganizing  ...  However, SON has limitations in handling the increasing needs of a ubiquitous and dynamic environment of users and services.  ...  To provide better quality of experience to users in this ubiquitous and dynamic environment, next-generation SON (NGSON) was introduced to support context-aware, dynamically adaptive, and selforganizing  ... 
doi:10.1109/mcom.2012.6122533 fatcat:zmtchtawqnbjfgatpt7oefsb4u

Social context: Supporting interaction awareness in ubiquitous environments

Minh H. Tran, Jun Han, Alan Colman
2009 Proceedings of the 6th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services  
In ubiquitous computing environments, certain entities (or actors) often need to interact with each other in achieving a joint goal in a dynamically changing context.  ...  However, very little research has focused on supporting such social context in ubiquitous environments. This paper presents our novel approach to modeling and realizing social context.  ...  In these early days of ubiquitous computing, context-aware applications are stand-alone applications that react to contextual cues picked up from the environment.  ... 
doi:10.4108/icst.mobiquitous2009.6835 dblp:conf/mobiquitous/TranHC09 fatcat:25vp2azupja4vju53qwprlpqxq
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