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Outputs (407)

A Survey of Speculative Execution Strategy in MapReduce (2016)
Presentation / Conference Contribution
Liu, Q., Jin, D., Liu, X., & Linge, N. (2016, July). A Survey of Speculative Execution Strategy in MapReduce. Presented at the 2nd International Conference on Cloud Computing and Security; Lecture Notes in Computer Science, Nanjing, China

MapReduce is a parallel computing programming model designed to process large-scale data. Therefore, the accuracy and efficiency for computing are needed to be assured and speculative execution is an efficient method for calculation of fault toleranc... Read More about A Survey of Speculative Execution Strategy in MapReduce.

A Coordination-Based Brokerage Architecture for Multi-cloud Resource Markets (2016)
Presentation / Conference Contribution
Aldawood, S., Fowley, F., Pahl, C., Taibi, D., & Liu, X. (2016, August). A Coordination-Based Brokerage Architecture for Multi-cloud Resource Markets. Presented at 2016 IEEE 4th International Conference on Future Internet of Things and Cloud Workshops (FiCloudW), Vienna, Austria

With an increasing number of service providers in the cloud market, the competition between these is also increasing. Each provider attempts to attract customers by providing a high quality service with lowest possible cost and at the same time tryin... Read More about A Coordination-Based Brokerage Architecture for Multi-cloud Resource Markets.

Pricing Ontology for Task-Oriented Cloud Sourcing (2016)
Presentation / Conference Contribution
Greenwell, R., Liu, X., & Chalmers, K. (2016, August). Pricing Ontology for Task-Oriented Cloud Sourcing. Presented at 2016 IEEE 4th International Conference on Future Internet of Things and Cloud (FiCloud)

Cloud computing allows access to computing resources from a number of providers, who offer multiple pricing strategies for selected product characteristics. The service offerings are becoming increasingly complex, with innovations such as spot market... Read More about Pricing Ontology for Task-Oriented Cloud Sourcing.

Grid Routing: An Energy-Efficient Routing Protocol for WSNs with Single Mobile Sink (2016)
Presentation / Conference Contribution
Liu, Q., Zhang, K., Liu, X., & Linge, N. (2016, July). Grid Routing: An Energy-Efficient Routing Protocol for WSNs with Single Mobile Sink. Presented at The 2nd International Conference on Cloud Computing and Security

In a traditional wireless sensor network with static sinks, sensor nodes close to the sink run out of their batteries quicker than other nodes due to the increased data traffic towards the sink. These nodes with huge data traffic are easy to become h... Read More about Grid Routing: An Energy-Efficient Routing Protocol for WSNs with Single Mobile Sink.

A Method for Electric Load Data Verfication and Repair in home Environment (2016)
Presentation / Conference Contribution
Liu, Q., Li, S., Liu, X., & Linge, N. (2016, July). A Method for Electric Load Data Verfication and Repair in home Environment. Presented at the 2nd International Conference on Cloud Computing and Security

Most people do not have a consciousness of energy saving. For this phenomenon, the governments are building smart grids to take measures for the energy crisis. Electric load data records the electric consumption and plays an important role in operati... Read More about A Method for Electric Load Data Verfication and Repair in home Environment.

CACA-UAN: A Context-Aware Communication Approach Based on the Underwater Acoustic Sensor Network (2016)
Presentation / Conference Contribution
Liu, Q., Chen, X., Liu, X., & Linge, N. (2016, July). CACA-UAN: A Context-Aware Communication Approach Based on the Underwater Acoustic Sensor Network. Presented at the 2nd International Conference on Cloud Computing and Security

Underwater acoustic sensor networks (UANs) have emerged as a promising technology which can be applied in many areas such as military and civil in recent years. Among these applications, the communication between the devices is crucial for providing... Read More about CACA-UAN: A Context-Aware Communication Approach Based on the Underwater Acoustic Sensor Network.

An adaptive approach to better load balancing in a consumer-centric cloud environment (2016)
Journal Article
Liu, Q., Cai, W., Shen, J., Liu, X., & Linge, N. (2016). An adaptive approach to better load balancing in a consumer-centric cloud environment. IEEE Transactions on Consumer Electronics, 62(3), 243-250. https://doi.org/10.1109/tce.2016.7613190

Pay-as-you-consume, as a new type of cloud computing paradigm, has become increasingly popular since a large number of cloud services are gradually opening up to consumers. It gives consumers a great convenience, where users no longer need to buy the... Read More about An adaptive approach to better load balancing in a consumer-centric cloud environment.

Technological support for citizen science in global ecology (2016)
Presentation / Conference Contribution
Davison, B., Begossi, A., Roques, K., Pandeya, B., & August, T. (2016, August). Technological support for citizen science in global ecology. Presented at 5th International EcoSummit: Ecological Sustainability - Engineering Change, Montpelier, France

The contribution of volunteers in ecology is undeniable. With developments in mobile technology and social media, many predict their contribution to become even more significant. However, economic disparities across the world challenge this vision. T... Read More about Technological support for citizen science in global ecology.

A speculative approach to spatial-temporal efficiency with multi-objective optimization in a heterogeneous cloud environment (2016)
Journal Article
Liu, Q., Cai, W., Shen, J., Fu, Z., Liu, X., & Linge, N. (2016). A speculative approach to spatial-temporal efficiency with multi-objective optimization in a heterogeneous cloud environment. Security and Communication Networks, 9(17), 4002-4012. https://doi.org/10.1002/sec.1582

A heterogeneous cloud system, for example, a Hadoop 2.6.0 platform, provides distributed but cohesive services with rich features on large-scale management, reliability, and error tolerance. As big data processing is concerned, newly built cloud clus... Read More about A speculative approach to spatial-temporal efficiency with multi-objective optimization in a heterogeneous cloud environment.

DEEPC: Dynamic Energy Profiling of Components (2016)
Presentation / Conference Contribution
Liu, X., Chinenyeze, S. J., & Al-Dubai, A. (2016, June). DEEPC: Dynamic Energy Profiling of Components. Presented at 2016 IEEE 40th Annual Computer Software and Applications Conference (COMPSAC)

Many software projects are built using reusable components (i.e. reusable objects - as per component and connectors in software architectures). During component selection in CBSD, components are evaluated on the criteria of required quality attribute... Read More about DEEPC: Dynamic Energy Profiling of Components.

A topological insight into restricted Boltzmann machines (2016)
Journal Article
Mocanu, D. C., Mocanu, E., Nguyen, P. H., Gibescu, M., & Liotta, A. (2016). A topological insight into restricted Boltzmann machines. Machine Learning, 104(2-3), 243-270. https://doi.org/10.1007/s10994-016-5570-z

Restricted Boltzmann Machines (RBMs) and models derived from them have been successfully used as basic building blocks in deep artificial neural networks for automatic features extraction, unsupervised weights initialization, but also as density esti... Read More about A topological insight into restricted Boltzmann machines.

Demo paper: AGADE - Scalability of ontology based agent simulations (2016)
Presentation / Conference Contribution
Farrenkopf, T., Guckert, M., Urquhart, N. B., & Wells, S. (2016, June). Demo paper: AGADE - Scalability of ontology based agent simulations. Presented at 14th International Conference on Practical Applications of Agents and Multi-Agent Systems, Sevilla, Spain

Simulations of real world scenarios often require considerably
large numbers of agents. With increasing level of detail and resolution
in the underlying models machine limitations both in the aspect of
memory and computing power are reached. Even... Read More about Demo paper: AGADE - Scalability of ontology based agent simulations.

Spatial anomaly detection in sensor networks using neighborhood information (2016)
Journal Article
Bosman, H. H., Iacca, G., Tejada, A., Wörtche, H. J., & Liotta, A. (2017). Spatial anomaly detection in sensor networks using neighborhood information. Information Fusion, 33, 41-56. https://doi.org/10.1016/j.inffus.2016.04.007

The field of wireless sensor networks (WSNs), embedded systems with sensing and networking capability, has now matured after a decade-long research effort and technological advances in electronics and networked systems. An important remaining challen... Read More about Spatial anomaly detection in sensor networks using neighborhood information.

A Classification and Comparison Framework for Cloud Service Brokerage Architectures (2016)
Journal Article
Fowley, F., Pahl, C., Jamshidi, P., Fang, D., & Liu, X. (2016). A Classification and Comparison Framework for Cloud Service Brokerage Architectures. IEEE Transactions on Cloud Computing, 6(2), 358-371. https://doi.org/10.1109/tcc.2016.2537333

Cloud service brokerage and related management and marketplace concepts have been identified as key concerns for future cloud technology development and research. Cloud service management is an important building block of cloud architectures that can... Read More about A Classification and Comparison Framework for Cloud Service Brokerage Architectures.

An Approach to a Laser-Touchscreen System (2016)
Book Chapter
Aizeboje, J., & Peng, T. (2016). An Approach to a Laser-Touchscreen System. In Enterprise Information Systems; Lecture Notes in Business Information Processing (476-495). Springer. https://doi.org/10.1007/978-3-319-29133-8_23

As modern day technologies advance, so have different methods in which users can interact with computers. Computers are currently being used in combination with devices like projectors for teaching and presentations, in which the mouse and the USB wi... Read More about An Approach to a Laser-Touchscreen System.

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.

Service evolution in clouds for dementia patient monitoring system usability enhancement. (2015)
Book Chapter
Wang, Z., & Cheng, G. (2015). Service evolution in clouds for dementia patient monitoring system usability enhancement. In E-Health and Telemedicine : Concepts, Methodologies, Tools, and Applications (1606-1634). IGI Global. https://doi.org/10.4018/978-1-4666-8756-1.ch080

The authors present an analysis which concludes that most e-health system are packaged for large-scale access through cloud-based services shared in a real-time service deployment environment. The service, which has already been deployed in the cloud... Read More about Service evolution in clouds for dementia patient monitoring system usability enhancement..

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.