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Prof Xiaodong Liu's Outputs (195)

An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation (2015)
Journal Article
Fang, D., Liu, X., Romdhani, I., Jamshidi, P., & Pahl, C. (2016). An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation. Future Generation Computer Systems, 56, 11-26. https://doi.org/10.1016/j.future.2015.09.025

Cloud computing enables a revolutionary paradigm of consuming ICT services. However, due to the inadequately described service information, users often feel confused while trying to find the optimal services. Although some approaches are proposed to... Read More about An agility-oriented and fuzziness-embedded semantic model for collaborative cloud service search, retrieval and recommendation.

Green services, engineering, optimization and modelling in the technological age (2015)
Book
Liu, X., & Li, Y. (Eds.). (2015). Green services, engineering, optimization and modelling in the technological age. IGI Global. https://doi.org/10.4018/978-1-4666-8447-8

Concerns surrounding environmental sustainability have led to an increase of interest in environmentally-friendly systems. In the ICT realm, attention has been largely paid to green aspects of hardware; however, it is equally necessary to address thi... Read More about Green services, engineering, optimization and modelling in the technological age.

Semantic description of cloud service agreements (2015)
Presentation / Conference Contribution
Greenwell, R., Liu, X., & Chalmers, K. (2015, July). Semantic description of cloud service agreements. Presented at 2015 Science and Information Conference (SAI)

To provide cloud services as a utility there must be
a mechanism for comprehensively and precisely specifying cloud
service agreements to reduce differences in service perception
between customers and suppliers.
This paper proposes a description... Read More about Semantic description of cloud service agreements.

An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework (2015)
Journal Article
Fang, D., Liu, X., Romdhani, I., & Pahl, C. (2015). An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework. Journal of cloud computing: advances, systems and applications, 4(1), https://doi.org/10.1186/s13677-015-0039-3

Cloud computing offers various computational resources via convenient on-demand service provision. Currently, heterogeneous services and cloud resources are usually utilized and managed through diverse service portals. This significantly limits the e... Read More about An approach to unified cloud service access, manipulation and dynamic orchestration via semantic cloud service operation specification framework.

A Loosely-coupled Semantic Model for Efficient Cloud Service Search and Retrieval. (2015)
Presentation / Conference Contribution
Fang, D., Liu, X., & Romdhani, I. (2015, May). A Loosely-coupled Semantic Model for Efficient Cloud Service Search and Retrieval. Presented at Fifth International Conference on Cloud Computing, GRIDs, and Virtualization

As cloud services propagate along with the rapid development of cloud computing, issues raised in service selection and retrieval processes become increasingly critical. While many approaches are proposed on the specification and discovery of cloud s... Read More about A Loosely-coupled Semantic Model for Efficient Cloud Service Search and Retrieval..

Critical Evaluation on jClouds and Cloudify Abstract APIs against EC2, Azure and HP-Cloud. (2014)
Presentation / Conference Contribution
Graham, S. T., & Liu, X. (2014, July). Critical Evaluation on jClouds and Cloudify Abstract APIs against EC2, Azure and HP-Cloud

With Cloud Computing there comes new possibilities like programmability of Infrastructure via provider exposed APIs. These APIs can aid the concept of elasticity that is associated with the Cloud however, there is a trend that these APIs are provider... Read More about Critical Evaluation on jClouds and Cloudify Abstract APIs against EC2, Azure and HP-Cloud..

Benefits management of cloud computing investments (2014)
Journal Article
Greenwell, R., Liu, X., & Chalmers, K. (2014). Benefits management of cloud computing investments. International Journal of Advanced Computer Science and Applications, 5(7), 1-9. https://doi.org/10.14569/IJACSA.2014.050701

This paper examines investments in cloud computing using the Benefits Management approach. The major contribution of the paper is to provide a unique insight into how organizations derive value from cloud computing investments. The motivation for wri... Read More about Benefits management of cloud computing investments.

An Upper Ontology for Benefits Management of Cloud Computing (2014)
Journal Article
Greenwell, R., Liu, X., & Chalmers, K. (2014). An Upper Ontology for Benefits Management of Cloud Computing. International Journal of Advanced Computer Science and Applications, 5(12), https://doi.org/10.14569/IJACSA.2014.051211

Benefits Management provides an established approach for decision making and value extraction for IT/IS investments and, can be used to examine cloud computing investments. The motivation for developing an upper ontology for Benefits Management is th... Read More about An Upper Ontology for Benefits Management of Cloud Computing.

Cloud Migration Patterns: A Multi-Cloud Service Architecture Perspective. (2014)
Presentation / Conference Contribution
Jamshidi, P., Pahl, C., Chinenyeze, S., & Liu, X. (2014, November). Cloud Migration Patterns: A Multi-Cloud Service Architecture Perspective. Presented at 10th International Workshop on Engineering Service-Oriented Applications

Many organizations migrate their on-premise software systems to the cloud. However, current coarse-grained cloud migration solutions have made a transparent migration of on-premise applications to the cloud a difficult, sometimes trial-and-error base... Read More about Cloud Migration Patterns: A Multi-Cloud Service Architecture Perspective..

A Software Engineering Framework for Context-Aware Service-Based Processes in Pervasive Environments (2014)
Book Chapter
Jaroucheh, Z., Liu, X., & Smith, S. (2014). A Software Engineering Framework for Context-Aware Service-Based Processes in Pervasive Environments. In Software Design and Development (71-95). IGI Global. https://doi.org/10.4018/978-1-4666-4301-7.ch005

Context-awareness is considered to be the cornerstone technique for developing pervasive computing applications that are flexible, adaptable, and capable of acting autonomously on behalf of the user. However, context-awareness introduces various soft... Read More about A Software Engineering Framework for Context-Aware Service-Based Processes in Pervasive Environments.

An aspect oriented model for software energy efficiency in decentralised servers. (2014)
Presentation / Conference Contribution
Chinenyeze, S., Liu, X., & Al-Dubai, A. (2014, August). An aspect oriented model for software energy efficiency in decentralised servers. Presented at 2nd International Conference on ICT for Sustainability (ICT4S 2014)

Green software is currently gaining interests with the increasing impact of IT in energy consumption. Green-ness in software however, can be achieved at various stages of the Software Development Life Cycle (SDLC). Consequently, several software engi... Read More about An aspect oriented model for software energy efficiency in decentralised servers..

OCSO: Off-the-cloud service optimization for green efficient service resource utilization (2014)
Journal Article
Fang, D., Liu, X., Liu, L., & Yang, H. (2014). OCSO: Off-the-cloud service optimization for green efficient service resource utilization. Journal of cloud computing: advances, systems and applications, 3(1), https://doi.org/10.1186/s13677-014-0009-1

Many efforts have been made in optimizing cloud service resource management for efficient service provision and delivery, yet little research addresses how to consume the provisioned service resources efficiently. Meanwhile, typical existing resource... Read More about OCSO: Off-the-cloud service optimization for green efficient service resource utilization.

Requirements model driven adaption and evolution of Internetware (2014)
Journal Article
Liu, L., Yang, C., Wang, J., Ye, X., Liu, Y., Yang, H., & Liu, X. (2014). Requirements model driven adaption and evolution of Internetware. Science China Information Sciences, 57(1), 1-19. https://doi.org/10.1007/s11432-014-5064-1

Today’s software systems need to support complex business operations and processes. The development of the web-based software systems has been pushing up the limits of traditional software engineering methodologies and technologies as they are requir... Read More about Requirements model driven adaption and evolution of Internetware.

Evolution Feature Oriented Model Driven Product Line Engineering Approach for Synergistic and Dynamic Service Evolution in Clouds (2013)
Journal Article
Wei, H., Wang, Z., Liu, X., Chalmers, K., & Cheng, G. (2013). Evolution Feature Oriented Model Driven Product Line Engineering Approach for Synergistic and Dynamic Service Evolution in Clouds. Journal of Industrial and Intelligent Information, 1(1), 6-9. https://doi.org/10.12720/jiii.1.1.6-9

The proposed research will focus on developing a novel approach to solve Software Service Evolution problems in Computing Clouds. The approach will support dynamic evolution of the software service in clouds via a set of discovered evolution patterns... Read More about Evolution Feature Oriented Model Driven Product Line Engineering Approach for Synergistic and Dynamic Service Evolution in Clouds.

TARGO: transition and reallocation based green optimization for Cloud VMs. (2013)
Presentation / Conference Contribution
Fang, D., Liu, X., Liu, L., & Yang, H. (2013, August). TARGO: transition and reallocation based green optimization for Cloud VMs

Much research has been conducted focusing on improving resource utilization efficiency in data centers in the context of Green Cloud Computing (GCC). While virtualization enables better resource provision and utilization for various computational res... Read More about TARGO: transition and reallocation based green optimization for Cloud VMs..

Pricing Intelligence as a Service for Cloud Computing (2013)
Presentation / Conference Contribution
Greenwell, R., Liu, X., & Chalmers, K. (2013, December). Pricing Intelligence as a Service for Cloud Computing. Presented at 2013 IEEE 5th International Conference on Cloud Computing Technology and Science

Pricing Intelligence as a service (PINaaS) can be seen as the brokerage of user requirements to pricing of available resources in a cloud computing environment. Users of both public and private clouds have to consider the price of services they consu... Read More about Pricing Intelligence as a Service for Cloud Computing.

MVICS: a repository and search tool towards holistic semantic-based precise component selection. (2013)
Journal Article
Liu, X., & Li, C. (2013). MVICS: a repository and search tool towards holistic semantic-based precise component selection. International journal of computers & technology, 5, 144-157

Driven by the continuous expansions of software applications and the increases in component varieties and sizes, the so-called component mismatch problem has become a more severe hurdle for component selection and integration. Although many component... Read More about MVICS: a repository and search tool towards holistic semantic-based precise component selection..

Evolution feature oriented model driven product line engineering approach for synergistic and dynamic service evolution in clouds: A04BPEL3.0 proposal. (2013)
Presentation / Conference Contribution
Wang, Z., Chalmers, K., & Liu, X. (2013, June). Evolution feature oriented model driven product line engineering approach for synergistic and dynamic service evolution in clouds: A04BPEL3.0 proposal. Presented at International Conference on Information Society (i-Society 2013). University of Toronto, Canada

Model Driven based approach for Service Evolution in Clouds will mainly focus on the reusable evolution patterns' advantage to solve evolution problems. During the process, evolution pattern will be driven by MDA models to pattern aspects. Weaving th... Read More about Evolution feature oriented model driven product line engineering approach for synergistic and dynamic service evolution in clouds: A04BPEL3.0 proposal..

Evolution pattern verification for services evolution in clouds with model driven architecture. (2013)
Journal Article
Wang, Z., Chalmers, K., & Liu, X. (2013). Evolution pattern verification for services evolution in clouds with model driven architecture. International Journal for e-Learning Security, 3, 340-349. https://doi.org/10.20533/ijels.2046.4568.2013.0042

In this paper we will provide some discovered evolution patterns and its detailed underlying constitution components. Following the featured orientated model driven product line engineering approach for service evolution in clouds, an analysis on... Read More about Evolution pattern verification for services evolution in clouds with model driven architecture..