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All Outputs (223)

Two Alternative Frameworks for Deploying Spoken Dialogue Systems to Mobile Platforms for Evaluation “In the Wild” (2014)
Presentation / Conference Contribution
Hastie, H., Aufaure, M., Alexopoulos, P., Bouchard, H., Cuayáhuitl, H., Dethlefs, N., …Yu, Y. (2014). Two Alternative Frameworks for Deploying Spoken Dialogue Systems to Mobile Platforms for Evaluation “In the Wild”. In Proceedings of the 18th Wor

We demonstrate two alternative frameworks for testing and evaluating spoken dialogue systems on mobile devices for use “in the wild”. We firstly present a spoken dialogue system that uses third party ASR (Automatic Speech Recognition) and TTS (Text-T... Read More about Two Alternative Frameworks for Deploying Spoken Dialogue Systems to Mobile Platforms for Evaluation “In the Wild”.

Compound Parabolic Concentrator Design for Equatorial Africa (2014)
Presentation / Conference Contribution
Naman, G. Z., Sellami, N., Sarmah, N., Ivaturi, A., Senthilarasu, S., Bobbili, P., …Mallick, T. (2014). Compound Parabolic Concentrator Design for Equatorial Africa. In 1st Africa Photovoltaic Solar Energy Conference and Exhibition Proceedings. https:/

Compound Parabolic Concentrators (CPC) design uses interposed optical devices (such as parabolic trough, parabolic dish, linear Fresnel reflectors, etc) between the source of radiation (Sun in this case) and the energy absorbing surface (solar cell).... Read More about Compound Parabolic Concentrator Design for Equatorial Africa.

Ontology based classification for multi-label image annotation (2014)
Presentation / Conference Contribution
Reshma, I. A., Ullah, M. Z., & Aono, M. (2014). Ontology based classification for multi-label image annotation. In 2014 international conference of advanced informatics: concept, theory and application (ICAICTA) (226-231). https://doi.org/10.1109/ICAICTA

Image annotation has been an important task for visual information retrieval. It usually involves a multi-class multi-label classification problem. To solve this problem, many researches have been conducted during last two decades, although most of t... Read More about Ontology based classification for multi-label image annotation.

Query subtopic mining for search result diversification (2014)
Presentation / Conference Contribution
Ullah, M. Z., & Aono, M. (2014). Query subtopic mining for search result diversification. In 2014 International Conference of Advanced Informatics: Concept, Theory and Application (ICAICTA) (309-314). https://doi.org/10.1109/ICAICTA.2014.7005960

Web search queries are usually short, ambiguous, and contain multiple aspects or subtopics. Different users may have different search intents (or information needs) when submitting the same query. The task of identifying the subtopics underlying a qu... Read More about Query subtopic mining for search result diversification.

Optical performances of refractive Crossed Compound Parabolic Concentrator CCPC (2014)
Presentation / Conference Contribution
Sellami, N., & Mallick, T. (2014). Optical performances of refractive Crossed Compound Parabolic Concentrator CCPC. In 29th European Photovoltaic Solar Energy Conference and Exhibition EU PVSCE 29, Netherlands (2146-2149). https://doi.org/10.4229/EUPVSEC

The design of solar concentrators depends on its application (thermal or PV) and on the tracking system that will be used. Low geometrical concentration ratios (Cg) are

Mapping on surfaces: Supporting collaborative work using interactive tabletop (2014)
Presentation / Conference Contribution
Sinmai, K., & Andras, P. (2014). Mapping on surfaces: Supporting collaborative work using interactive tabletop. In CYTED-RITOS International Workshop on Groupware (319-334). https://doi.org/10.1007/978-3-319-10166-8_29

We investigate the usability of our mindmap application using a tabletop integrated with four Android tablets in the context of support for collaborative work. This paper presents two empirical studies that compares the conventional paper-and-pen app... Read More about Mapping on surfaces: Supporting collaborative work using interactive tabletop.

Heat Exchanger Networks Retrofitted with Simultaneous Pressure Recovery (2014)
Presentation / Conference Contribution
Onishi, V., Ravagnani, M., & Caballero, J. A. (2014). Heat Exchanger Networks Retrofitted with Simultaneous Pressure Recovery. In XX Brazilian Congress of Chemical Engineering – COBEQ 2014

This paper presents a new optimization model for the retrofit of heat exchanger networks (HENs), in which the pressure recovery of streams is used to enhance heat integration. Especially important in sub-ambient processes, the HEN retrofit with press... Read More about Heat Exchanger Networks Retrofitted with Simultaneous Pressure Recovery.

Advances in Additive Manufacturing Processes (2014)
Presentation / Conference Contribution
Oppon, C., Hackney, P., Shyha, I., & Beeby, J. (2014). Advances in Additive Manufacturing Processes. In 3rd Applied Research Conference in Africa

Additive Manufacturing (AM) which is also referred as Three Dimensional Printing (3DP), Solid Freeform Fabrication (SFF) or Rapid Prototyping (RP) is a layer-by-layer technique of producing a three-dimensional (3D) objects directly from a digital mod... Read More about Advances in Additive Manufacturing Processes.

Controllability for positive discrete–time linear systems with positive state (2014)
Presentation / Conference Contribution
Guiver, C., & Townley, S. (2014, July). Controllability for positive discrete–time linear systems with positive state. Presented at The 21st International Symposium on Mathematical Theory of Networks and Systems, Groningen, The Netherlands

Controllability of componentwise nonnegative discrete-time linear systems is considered. The key difference here from the well-established positive systems theory is that we permit the case where the input takes negative values, provided that the sta... Read More about Controllability for positive discrete–time linear systems with positive state.

A stability/instability trichotomy for non-negative Lur'e systems (2014)
Presentation / Conference Contribution
Bill, A., Guiver, C., Logemann, H., & Townley, S. (2014, July). A stability/instability trichotomy for non-negative Lur'e systems. Presented at 21st International Symposium on Mathematical Theory of Networks and Systems, Groningen, The Netherlands

We identify a stability/instability trichotomy for a class of non-negative continuous-time Lur'e systems. Asymptotic as well as input-to-state stability concepts (ISS) are considered. The presented trichotomy rests on Perron-Frobenius theory, absolut... Read More about A stability/instability trichotomy for non-negative Lur'e systems.

Individual Risk in Online Social Networking Services (2014)
Presentation / Conference Contribution
Haynes, D. (2014, December). Individual Risk in Online Social Networking Services. Paper presented at Symposium at School of Maths, Computer Science and Engineering, City, University of London

When an individual signs up to an online social networking service such as Facebook, Twitter, or LinkedIn, he or she is entering into a contract with the provider. In exchange for a range of services that are free at the point of usage the provider c... Read More about Individual Risk in Online Social Networking Services.

Investigating people: a qualitative analysis of the search behaviours of open-source intelligence analysts (2014)
Presentation / Conference Contribution
McKeown, S., Maxwell, D., Azzopardi, L., & Glisson, W. B. (2014). Investigating people: a qualitative analysis of the search behaviours of open-source intelligence analysts. In IIiX '14: Proceedings of the 5th Information Interaction in Context Symposium

The Internet and the World Wide Web have become integral parts of the lives of many modern individuals, enabling almost instantaneous communication, sharing and broadcasting of thoughts, feelings and opinions. Much of this information is publicly fac... Read More about Investigating people: a qualitative analysis of the search behaviours of open-source intelligence analysts.

Comparative analysis of chaotic and non-chaotic image encryption schemes (2014)
Presentation / Conference Contribution
Younas, M. B., & Ahmad, J. (2014). Comparative analysis of chaotic and non-chaotic image encryption schemes. In 2014 International Conference on Emerging Technologies (ICET). https://doi.org/10.1109/icet.2014.7021021

In modern era, multimedia technologies have been developed significantly. Multimedia data such as audio, video and image transfers over the internet is open and insecure. Security is required for storage and transmission of digital images to avoid fr... Read More about Comparative analysis of chaotic and non-chaotic image encryption schemes.

Mathematical Model for Calibration of Nonlinear Responses in Biological Media Exposed to RF Energy (2014)
Presentation / Conference Contribution
See, C., Abd-Alhameed, R., & Excell, P. (2014, March). Mathematical Model for Calibration of Nonlinear Responses in Biological Media Exposed to RF Energy. Presented at 9th IET International Conference on Computation in Electromagnetics (CEM 2014), London,

This paper presents a circuit model which is used to calibrate the performance of nonlinear RF energy conversion inside a high quality factor resonant cavity with a known nonlinear loading device. The nonlinear radiofrequency energy conversion can be... Read More about Mathematical Model for Calibration of Nonlinear Responses in Biological Media Exposed to RF Energy.

Dependency-based semantic parsing for concept-level text analysis (2014)
Presentation / Conference Contribution
Poria, S., Agarwal, B., Gelbukh, A., Hussain, A., & Howard, N. (2014). Dependency-based semantic parsing for concept-level text analysis. In Computational Linguistics and Intelligent Text Processing: 15th International Conference, CICLing 2014, Kathmandu

Concept-level text analysis is superior to word-level analysis as it preserves the semantics associated with multi-word expressions. It offers a better understanding of text and helps to significantly increase the accuracy of many text mining tasks.... Read More about Dependency-based semantic parsing for concept-level text analysis.

Classification of Fish Ectoparasite Genus Gyrodactylus SEM Images Using ASM and Complex Network Model (2014)
Presentation / Conference Contribution
Ali, R., Jiang, B., Man, M., Hussain, A., & Luo, B. (2014). Classification of Fish Ectoparasite Genus Gyrodactylus SEM Images Using ASM and Complex Network Model. In Neural Information Processing: 21st International Conference, ICONIP 2014, Kuching, Mala

Active Shape Models and Complex Network method are applied to the attachment hooks of several species of Gyrodactylus, including the notifiable pathogen G. salaris, to classify each species to their true species type. ASM is used as a feature extract... Read More about Classification of Fish Ectoparasite Genus Gyrodactylus SEM Images Using ASM and Complex Network Model.

Acoustic Emission Source Identification in Pipes Using Finite Element Analysis (2014)
Presentation / Conference Contribution
Abolle, J., Palacio Torralba, J., Chen, Y., & Reuben, R. (2014). Acoustic Emission Source Identification in Pipes Using Finite Element Analysis.

Stress waves propagate through a structure when it experiences rapid changes in loading, which can come about from a number of phenomena of interest in mechanical and process engineering. One class of applications is in structural health monitoring,... Read More about Acoustic Emission Source Identification in Pipes Using Finite Element Analysis.

The role of simulation in designing for universal access. (2014)
Presentation / Conference Contribution
Keates, S., & Looms, P. O. (2014). The role of simulation in designing for universal access. In C. Stephanidis, & M. Antona (Eds.), Universal access in human-computer interaction. Design and development methods for universal access: 8th International Conf

It is known that the adoption of user-centred design processes can lead to more universally accessible products and services. However, the most frequently cited approach to user-centred design, i.e. participatory design, can be both problematic and e... Read More about The role of simulation in designing for universal access..