Filters








3,529 Hits in 11.3 sec

Dynamic Selection of Service Peers with Multiple Property Specifications [chapter]

Jun Shen, Shuai Yuan, Aneesh Krishna
2009 Lecture Notes in Business Information Processing  
In this paper, we propose a modelling based approach to design and develop a peer-to-peer based service coordination system and their components.  ...  Traditional methodologies are still very inadequate to effectively and autonomously conduct service discovery and composition in a dynamic environment, as they seldom focus on dealing with real complex  ...  As compared to OWL-S, WSMO introduces a set of core non-functional properties that are defined globally and that can be used by all the modelling elements of WSMO.  ... 
doi:10.1007/978-3-642-00328-8_61 fatcat:vmuancbv45f7ldmi3ifoelxjnq

Towards the use of Quality-of-Service Metrics in Reinforcement Learning: A Robotics Example

Juan Francisco Inglés-Romero, Juan Manuel Espín, Rubén Jiménez-Andreu, Roberto Font, Cristina Vicente-Chicote
2018 ACM/IEEE International Conference on Model Driven Engineering Languages and Systems  
In this regard, RoQME, an Integrated Technical Project of the EU H2020 RobMoSys Project, aims at providing global robot Quality-of-Service (QoS) metrics in terms of non-functional properties, such as safety  ...  This variability can be addressed applying reinforcement learning, which enables a robot to autonomously discover an optimal behavior through trial-and-error interactions with the environment.  ...  Acknowledgements RoQME has received funding from the European Union's H2020 Research and Innovation Programme under grant agreement No. 732410, in the form of financial support to third parties of the  ... 
dblp:conf/models/Ingles-RomeroEJ18 fatcat:rfnbkcq62ngudo7a3sxkepbs6y

An MAS-Based Implementation for Semantic Web Services Composition [chapter]

Jun Shen, Ghassan Beydoun, Graham Low
2013 Information Systems Development  
In this paper, we focus on a conceptual framework for peer selection with a preliminary mathematical model and a selection process, so as to enhance the P2P-based service coordination system and its components  ...  In this chapter, we focus on a conceptual framework for peer selection with a preliminary mathematical model and a selection process, so as to enhance the P2Pbased service coordination system and its components  ...  This paper extends the description of non-functional properties via a model-driven WSMO specification, and also presents an approach for the coordinator to automatically identify the best peers through  ... 
doi:10.1007/978-1-4614-4951-5_19 dblp:conf/isdevel/ShenBL11 fatcat:mbod3jup5vbajohuiwvte4asia

Towards Formal Planning for Quality-Aware Self-Adaptive Systems

Esma Maatougui, Chafia Bouanaka, Nadia Zeghib
2017 2017 IEEE 26th International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE)  
Index Terms-Self-adaptive systems; QoS; Component-Based Software Engineering; Model-Driven Engineering; Maude.  ...  In this paper, we propose a formal approach that combines the advantages of both componentbased modeling (e. g., reduces model complexity), MDE (e. g., facilitates the development process) and Maude (a  ...  ACKNOWLEDGMENTS This work is published through funding provided under the CMEP/TASSILI project N°08MDU945.  ... 
doi:10.1109/wetice.2017.22 dblp:conf/wetice/MaatouguiBZ17 fatcat:mrwmrkqmibairbwnjntuu5hm7a

Appraisal and analysis on various web service composition approaches based on QoS factors

M. Rajeswari, G. Sambasivam, N. Balaji, M.S. Saleem Basha, T. Vengattaraman, P. Dhavachelvan
2014 Journal of King Saud University: Computer and Information Sciences  
The research problem in web service composition is to obtain best effective services with the composition of services based on maximum quality of services (QoS) and satisfy the user's requirements.  ...  We have illustrated the related technology by analyzing QoS parameters based on existing algorithms with composition patterns and compared the results.  ...  This architecture provides a programming model for creating and accumulating the business task in SOA and it deals with both functional and non-functional constraints.  ... 
doi:10.1016/j.jksuci.2013.08.003 fatcat:5bbmcjxyizhnvnruvxikpztd4y

Using constraint hierarchies to support QoS-guided service composition

Ying Guan, Aditya Ghose, Zheng Lu
2006 2006 IEEE International Conference on Web Services (ICWS'06)  
A key impediment to the widespread adoption of web services is the is the relatively limited set of tools available to deal with Quality-of-Service (QoS) factors [12] .  ...  Disciplines Physical Sciences and Mathematics Publication Details Abstract A key impediment to the widespread adoption of web services is the is the relatively limited set of tools available to deal with  ...  In [8] , authors proposed a global planning approach to optimally select component services during the execution of a composite service.  ... 
doi:10.1109/icws.2006.143 dblp:conf/icws/GuanGL06 fatcat:up4kih64kfgrfix7fkf56atniu

AMPol-Q: Adaptive Middleware Policy to Support QoS [chapter]

Raja Afandi, Jianqing Zhang, Carl A. Gunter
2006 Lecture Notes in Computer Science  
Our middleware based solution, AMPol-Q, enables clients to discover, select, compose, and monitor services that fulfil E2E QoS constraints.  ...  The diversity and complexity of QoS constraints further limit the widescale adoption of QoS-aware SOA.  ...  Acknowledgements We are grateful for help and encouragement we received from Anne Anderson, Noam  ... 
doi:10.1007/11948148_14 fatcat:ns5dsydf4zhdjivyb7vzwhihdu

Energy Analysis of Services through Green Metrics: Towards Green Certificates [chapter]

Mariagrazia Fugini, José Antonio Parejo Maestre
2012 Communications in Computer and Information Science  
GPIs relate to service development, deployment, and maintenance. An approach is proposed based on monitoring the GPIs so as to enable the analysis of services from their energy consumption viewpoint.  ...  Our approach allows estimating energy efficiency of services through a comparison of behaviorally similar services (e.g., an on-line purchasing service) through the analysis of their GPIs.  ...  This work expresses the opinions of the authors and not necessarily those of the European Commission.  ... 
doi:10.1007/978-3-642-29166-1_22 fatcat:24b7gal24vdftosjl23ixdu5a4

A survey on bio-inspired algorithms for web service composition

Lijuan Wang, Jun Shen, Jianming Yong
2012 Proceedings of the 2012 IEEE 16th International Conference on Computer Supported Cooperative Work in Design (CSCWD)  
There are a variety of models and methods to deal with this issue from dierent aspects. Bio-inspired algorithms are becoming main approaches and solutions.  ...  By analyzing and investigating dierent approaches, this paper gives an overview about the researches on bio-inspired al-gorithm in web service composition and point out future directions.  ...  QoS attributes and models in service composition In the presence of multiple web services provided by different organizations with functional(e.g., ticket purchase, payment) and non-functional properties  ... 
doi:10.1109/cscwd.2012.6221875 dblp:conf/cscwd/WangSY12 fatcat:6cdmwue5czdojas4qmhz6uqpxi

Contract Aware Components, 10 years after

Antoine Beugnard, Jean-Marc Jézéquel, Noël Plouzeau
2010 Electronic Proceedings in Theoretical Computer Science  
For each of these domains we briefly describe what has been done with this idea and we discuss the remaining challenges.  ...  The notion of contract aware components has been published roughly ten years ago and is now becoming mainstream in several fields where the usage of software components is seen as critical.  ...  SLA deals with the global performance of a system as a service provider, and SLA descriptions include various metrics concerns and dimensions, such as business metrics: financial properties, for instance  ... 
doi:10.4204/eptcs.37.1 fatcat:dkjyw5v4ujduznvfzg4eutsoki

An Approach for Managing Quality Attributes at Runtime Using Feature Models

Luis Emiliano Sanchez, J. Andres Diaz-Pace, Alejandro Zunino, Sabine Moisan, Jean-Paul Rigault
2014 2014 Eighth Brazilian Symposium on Software Components, Architectures and Reuse  
A novel aspect of our work is that feature models are annotated with quality-attribute metrics, and then an efficient and flexible algorithm is used to deal with the optimization problem.  ...  To this end, we propose an approach for the specification, measurement and optimization of runtime quality attributes based on feature models, and furthermore, we describe its integration into a component-based  ...  In our approach, a component is a unit of independent deployment that requires or provides services to other system components through specific interfaces.  ... 
doi:10.1109/sbcars.2014.13 dblp:conf/sbcars/SanchezPZMR14 fatcat:34mbsvqapfc33jagvgavp3we2m

Architectural Support for Model-Driven Performance Prediction of Distributed Real-Time Embedded Systems of Systems [chapter]

Vanea Chiprianov, Katrina Falkner, Claudia Szabo, Gavin Puddy
2014 Lecture Notes in Computer Science  
One of the most significant challenges in the engineering of such systems is how to predict their non-functional properties such as performance, and more specifically, how to model non-functional properties  ...  In this paper, we define an approach to SoS performance prediction based on the modelling of system interactions and their impacts.  ...  Other approaches deal with developing metrics for performance measurement.  ... 
doi:10.1007/978-3-319-09970-5_30 fatcat:dwpkkyd7xjgyrpk3wcbchm7agm

The Role of Agreements in IT Management Software [chapter]

Carlos Molina-Jimenez, Jim Pruyne, Aad van Moorsel
2005 Lecture Notes in Computer Science  
Various forms of agreements naturally arise in the service provider model as well as in multi-party computing models such as business-to-business, utility and grid computing.  ...  As a consequence of this latter point, in order to automate run-time adaptation and management of systems and services, agreements should be encoded and integrated in management software platforms.  ...  Acknowledgement The work in this paper has been funded in part by the UK Engineering and  ... 
doi:10.1007/11556169_2 fatcat:dxbhdg7cnvgkfdrfpne7hz7laq

Analysis of QoS in cooperative services for real time applications

F. Buccafurri, P. De Meo, M. Fugini, R. Furnari, A. Goy, G. Lax, P. Lops, S. Modafferi, B. Pernici, D. Redavid, G. Semeraro, D. Ursino
2008 Data & Knowledge Engineering  
An advanced function provided by our approach is the prediction of future QoS violations. The prediction is obtained at the Web-Service layer and is associated with a probability.  ...  The purpose of this paper is to propose an integrated approach to QoS measurement and adaptivity for Web-based provisioning of delivered objects, and in particular of Real Time contents.  ...  To enable diagnosability, the existing markup-languages have to be extended to deal with such non-functional aspects as QoS descriptions, monitoring information, repair options in case of failure, and  ... 
doi:10.1016/j.datak.2008.08.004 fatcat:fuvsn4op2bguvjjqot4f5m4hmq

Towards an Enactment Engine for Dynamically Reconfigurable and Scalable Choreographies

Thiago Furtado, Emilio Francesquini, Nelson Lago, Fabio Kon
2014 2014 IEEE World Congress on Services  
Choreography clients expect a minimum level of Quality of Service (QoS); however, due to the distributed nature of these systems, a manual approach to resource usage monitoring and allocation is not only  ...  We evaluated our system on Amazon EC2 and preliminary results demonstrate that it is able maintain the QoS of a composition, even when faced with varying levels of load, while at the same time reducing  ...  A QoS model is a formal description of a set of properties and the metrics used to assess them.  ... 
doi:10.1109/services.2014.64 dblp:conf/services/FurtadoFLK14 fatcat:x7sjgutblzewfdn2wavavqully
« Previous Showing results 1 — 15 out of 3,529 results