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Browsing Statistics & Computer Science by Issue Date

Browsing Statistics & Computer Science by Issue Date

Now showing items 1-20 of 52

Information Technology education in the Sri Lankan school system: Challenges and perspectives

de Silva, C.S. (Sabaragamuwa University of Sri Lanka, 2006)
A methodology for identifying ?Web metrics? for ?Web analytics?

Wickramarachchi A P R; Malavisooriya L M (2006)

The need for perusing sound business practices when adopting an organizational web strategy is highlighted by many authors. Measuring effectiveness of business activities is a standard practice of any organization. However, ...
Human Perception of Haptic Force Direction

Elhajj, I.; Weerasinghe, K.G.H.D.; Dika, A.; Hansen, R. (IROS 2006 IEEE/RSJ International Conference, 2006)

In this paper we investigate the accuracy of human perception of haptic force direction applied to the hand. Haptic interfaces are commonly used in many applications and understanding the limitations of human perception ...
The Status of Business Continuity & Crisis Management (BCCM) in Large Scale Financial Information Systems in Sri Lanka

Herrath, H.M.P.S.; Wijayanayake, W.M.J.I. (2007)

The use of Information and Communication Technology (ICT) is on the increase and encompasses nearly the entire business process of Financial Industry. In this industry the rising competition and customer expectations have ...
Data centric adaptive in-network aggregation for wireless sensor networks

Weerasinghe, K.G.H.D.; Elhajj, I.; Krsteva, A.; Najm, M.A. (IEEE/ASME International Conference, 2007)

This paper presents and evaluates a data centric adaptive in-network aggregation algorithm for wireless sensor networks. In-Network data aggregation is used in wireless sensor networks to reduce the power consumption of ...
Analysis of key management in wireless sensor networks

Dustin, M.; Shankarappa, J.; Petrowski, M.; Weerasinghe, K.G.H.D.; Fu, H. (IEEE EIT?07, 2007)

A multitude of wireless sensor networks exist today in various fields, each having a specific objective in mind. Based on the objectives for each network, the security concerns can be different, dependent on such factors ...
Preventing Cooperative Black Hole Attacks in Mobile Ad Hoc Networks: Simulation Implementation and Evaluation

Weerasinghe, K.G.H.D.; Fu, H. (International Journal of Software Engineering and Its Applications, 2008)

A black hole attack is a severe attack that can be easily employed against routing in mobile ad hoc networks. A black hole is a malicious node that falsely replies for any route requests without having active route to ...
forecasting exchange rates using artificial neural networks

Chandrasekara, N.V.; tilakaratne, C.D. (Journal of Applied Statistics, 2009)
ESAP: Efficient and scalable authentication protocol with conditional privacy for secure vehicular communications

Weerasinghe, K.G.H.D.; Fu, H. (GLOBECOM Workshops (GC Wkshps), 2010 IEEE, 2010)

Security mechanisms such as authentication, message integrity, and non-repudiation are extremely important features for both vehicle-to-vehicle and vehicle-to-infrastructure communications in vehicular ad hoc networks. ...
Enhancement of IEEE 802.11 modules in ns-2 and performance evaluation with error rate

Jin, K.; Weerasinghe, K.G.H.D.; Fu, H. (Proceedings of 43rd Annual Simulation Symposium (ANSS), 2010)

Ns-2 is being widely utilized to evaluate the wired and wireless networks on many research activities. The ns-2.33 distribution version includes an extension of IEEE 802.11 module which improves the core functions of 802.11 ...
An Enhanced Multi-Channel MAC for the IEEE 1609.4 Based Vehicular Ad Hoc Networks

Wang, Q.; Leng, S.; Fu, H.; Zang, Y.; Weerasinghe, K.G.H.D. (INFOCOM IEEE Conference on Computer Communications Workshops, 2010)

This paper proposes a multi-channel MAC scheme for Vehicular Ad Hoc Networks (VANETs), which dynamically adjusts the intervals of Control Channel (CCH) and Service Channels (SCHs). Markov modeling is conducted to optimize ...
Verifying position and velocity for vehicular ad-hoc networks

Weerasinghe, K.G.H.D.; Tackett, R.; Fu, H. (Security and Communication Networks, 2011)

In the near future, vehicle-to-vehicle and vehicle-to-roadside infrastructure communications will enable numerous applications, such as collision avoidance, traffic management, location-based services, and infotainment for ...
Anonymous service access for Vehicular Ad hoc Networks

Weerasinghe, K.G.H.D.; Fu, H.; Leng, S. (Information Assurance and Security (IAS), 2010 Sixth International Conference, 2011)

Communications through road side units in Vehicular Ad hoc Networks (VANETs) can be used to track the location of vehicles, which makes serious threat on users' privacy. In this paper, we propose and evaluate a novel ...
Enhancing unlinkability in Vehicular Ad Hoc Networks

Weerasinghe, K.G.H.D.; Huirong, F. (Intelligence and Security Informatics (ISI), 2011 IEEE International Conference, 2011)

Communication messages in Vehicular Ad-hoc Networks (VANETs) can be used to track movement of vehicles. In this paper, we address the problem of movement tracking and enhance location privacy without affecting security and ...
Comparison of support vector regression and artificial neural network models to forecast daily Colombo Stock Exchange

Rangana, D.L.M.; Chandrasekara, N.V.; Tilakaratne, C.D. (Proceedings of the International Statistics Conference, Institute of Applied Statistics, Sri Lanka, 2011)
Privacy-preserving security for vehicular communications

Weerasinghe K G H D (Thesis (Ph.D.)--Oakland University, 2011)

Because of the large number of deaths, severe injuries and huge financial loss due to auto accidents and poor traffic management, road safety and traffic management have become very important areas of interest among research ...
Automated response recognition system for questionnaires

Fernando, M.A.I.D.; Chandrasekara, N.V. (Sri Lanka Association for the Advancement of Science, 2012)
The impact of mothers’ migration for work abroad on children’s education

Dissanayake, P.L.; Chandrasekara, N.V.; Jayasundara, D.D.M. (Sri Lanka Association for the Advancement of Science, 2013)
Identifying factors associated with severity of asthma in Kegalle District

Peramuna, P.R.N.L.; Chandrasekara, N.V.; Jayasundara, D.D.M. (Sri Lanka Association for the Advancement of Science, 2013)
Forecasting exchange rates using time series and neural network approaches

Nanayakkara, K.A.D.S.A.; Chandrasekara, N.V.; Jayasundara, D.D.M. (Sri Lanka Association for the Advancement of Science, 2013)

Now showing items 1-20 of 52

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