Shanika Karunasekera

A utilization model for optimization of checkpoint intervals in distributed stream processing systems

S Jayasekara, A Harwood, S Karunasekera

Journal article  |  2020  |  Future Generation Computer Systems

State-of-the-art distributed stream processing systems such as Apache Flink and Storm have recently included checkpointing to prov..

LN-SNE: Log-Normal Distributed Stochastic Neighbor Embedding for Anomaly Detection

Zahra Ghafoori, Sarah M Erfani, James C Bezdek, Shanika Karunasekera, Christopher Leckie

Journal article  |  2020  |  IEEE Transactions on Knowledge and Data Engineering

We present a new unsupervised dimensionality reduction technique, called LN-SNE, for anomaly detection. LN-SNE generates a paramet..

Cost-efficient dynamic scheduling of big data applications in apache spark on cloud

MT Islam, SN Srirama, S Karunasekera, R Buyya

Journal article  |  2020  |  Journal of Systems and Software

Job scheduling is one of the most crucial components in managing resources, and efficient execution of big data applications. Spec..

Understanding Multilingual Communities through Analysis of Code-switching Behaviors in Social Media Discussions

A Harwood, S Karunasekera, M Vanni, L Falzon, P Padia, A Silva

Conference Proceedings  |  2020  |  2019 IEEE International Conference on Big Data (Big Data)

Currently, the enormous span of social media usage-while providing valuable resources for linguistic behavior analysis-makes track..

Unsupervised and Active Learning Using Maximin-Based Anomaly Detection

Z Ghafoori, JC Bezdek, C Leckie, S Karunasekera

Conference Proceedings  |  2020  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Image Analysis Enhanced Event Detection from Geo-Tagged Tweet Streams

Yi Han, Shanika Karunasekera, Christopher Leckie

Book Chapter  |  2020  |  Lecture Notes in Artificial Intelligence

ECSNeT : A simulator for distributed stream processing on edge and cloud environments

G Amarasinghe, MD de Assunção, A Harwood, S Karunasekera

Journal article  |  2020  |  Future Generation Computer Systems

The objective of Internet of Things (IoT) is ubiquitous computing. As a result many computing enabled, connected devices are deplo..

Multi-spatial Scale Event Detection from Geo-tagged Tweet Streams via Power-law Verification

Y Han, S Karunasekera, C Leckie, A Harwood

Conference Proceedings  |  2019  |  2019 IEEE International Conference on Big Data (Big Data)

Stepping Stone Graph: A Graph for Finding Movement Corridors using Sparse Trajectories

Sameera Kannangara, Egemen Tanin, Aaron Harwood, Shanika Karunasekera

Journal article  |  2019  |  ACM Transactions on Spatial Algorithms and Systems

There are many real world applications that require identifying public movements such as identifying movement corridors in cities ..

Spatio-temporal Event Detection using Poisson Model and Quad-tree on Geotagged Social Media

Y George, S Karunasekera, A Harwood, KH Li

Conference Proceedings  |  2019  |  2019 IEEE International Conference on Big Data (Big Data)

Quantifying the impact of autonomous vehicles using microscopic simulations

H Xie, E Tanin, S Karunasekera, J Qi, R Zhang, L Kulik, K Ramamohanarao

Conference Proceedings  |  2019  |  Proceedings of the 12th ACM SIGSPATIAL International Workshop on Computational Transportation Science - IWCTS'19

Tour recommendation and trip planning using location-based social media: a survey

Kwan Hui Lim, Jeffrey Chan, Shanika Karunasekera, Christopher Leckie

Journal article  |  2019  |  Knowledge and Information Systems

Tourism is both an important industry and popular leisure activity undertaken by millions around the world. One important task for..

Geotagging tweets to landmarks using convolutional neural networks with text and posting time

KH Lim, S Karunasekera, A Harwood, Y George

Conference Proceedings  |  2019  |  Proceedings of the 24th International Conference on Intelligent User Interfaces: Companion

Geotagged tweets serve many important applications, e.g., crisis management, but only a small proportion of tweets are explicitly ..

Communication Model for Parallel Iterative Stream Processing

S Jayasekara, X Liu, S Karunasekera, A Harwood

Conference Proceedings  |  2019  |  2018 IEEE International Conference on Big Data (Big Data)

© 2018 IEEE. Stream processing systems are used for a plethora of low-latency applications that deal with high volumes and varieti..

Enhancing the Scalability and Performance of Iterative Graph Algorithms on Apache Storm

S Jayasekara, S Karunasekera, A Harwood

Conference Proceedings  |  2019  |  2018 IEEE International Conference on Big Data (Big Data)

© 2018 IEEE. Real-time processing of large-scale, time-varying graphs is becoming essential in bigdata streaming applications that..

Rapid: Real-time analytics platform for interactive data mining

KH Lim, S Jayasekara, S Karunasekera, A Harwood, L Falzon, J Dunn, G Burgess

Conference Proceedings  |  2019  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

What Makes a Review Credible? Heuristic and Systematic Factors for the Credibility of Online Reviews

Ehsan Abedin, Antonette Mendoza, Shanika Karunasekera

Conference Proceedings  |  2019  |  Proceedings of Australasian Conference on Information Systems 2019

In the digital transformation era, online reviews have become an important source of information for decisions about purchases. Re..

USTAR: Online Multimodal Embedding for Modeling User-Guided Spatiotemporal Activity

Amila Silva, Shanika Karunasekera, Chris Leckie, Ling Luo

Conference Proceedings  |  2019  |  2019 IEEE International Conference on Big Data (Big Data)

Building spatiotemporal activity models for people's activities in urban spaces is important for understanding the ever-increasing..

Towards a Credibility Analysis Model for Online Reviews

Ehsan Abedin, Antonette Mendoza, Shanika Karunasekera

Conference Proceedings  |  2019  |  Proceedings of the Twenty-Third Pacific Asia Conference on Information Systems, China 2019

In digital transformations era, user-generated reviews have become important sources of information, and they play a significant r..

Efficient Unsupervised Parameter Estimation for One-Class Support Vector Machines

Zahra Ghafoori, Sarah M Erfani, Sutharshan Rajasegarar, James C Bezdek, Shanika Karunasekera, Christopher Leckie

Journal article  |  2018  |  IEEE Transactions on Neural Networks and Learning Systems

PSF -Fast and improved electricity consumption prediction in campus environments

P Karunaratne, M Moshtaghi, S Karunasekera, A Harwood

Conference Proceedings  |  2018  |  2017 IEEE International Conference on Smart Grid Communications (SmartGridComm)

© 2017 IEEE. Smart meters are becoming ubiquitous around the world, and their use is even being legally mandated in some countries..

Handling churn in similarity based clustering overlays using weighted benefit

I Bukhari, A Harwood, S Karunasekera

Conference Proceedings  |  2018  |  2017 18th International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT)

© 2017 IEEE. Similarity based clustering (SBC) overlays are decentralized networks of nodes on the Internet edge, where each node ..

Enhancing the quality of geometries of interest (GOIs) extracted from GPS trajectory data using spatio-temporal data aggregation and outlier detection

Seyed Morteza Mousavi, Aaron Harwood, Shanika Karunasekera, Mojtaba Maghrebi

Journal article  |  2018  |  Journal of Ambient Intelligence and Humanized Computing

Personalized trip recommendation for tourists based on user interests, points of interest visit durations and visit recency

Kwan Hui Lim, Jeffrey Chan, Christopher Leckie, Shanika Karunasekera

Journal article  |  2018  |  Knowledge and Information Systems

Studying Transportation Problems with the SMARTS Simulator (Demo Paper)

Hairuo Xie, Egemen Tanin, Shanika Karunasekera, Lars Kulik, Rui Zhang, Jianzhong Qi, Kotagiri Ramamohanarao

Conference Proceedings  |  2018  |  Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

Modeling evolution of topics in large-scale temporal text corpora

E Momeni, S Karunasekera, P Goyal, K Lerman

Conference Proceedings  |  2018  |  12th International AAAI Conference on Web and Social Media, ICWSM 2018

Copyright © 2018, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved. Large text tempo..

Stepping Stone Graph for Public Movement Analysis

Sameera Kannangara, Egemen Tanin, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2018  |  Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

Feature selection for multiclass binary data

K Perera, J Chan, S Karunasekera

Conference Proceedings  |  2018  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

© Springer International Publishing AG, part of Springer Nature 2018. Feature selection in binary datasets is an important task in..

A data stream processing optimisation framework for edge computing applications

G Amarasinghe, MD De Assuncao, A Harwood, S Karunasekera

Conference Proceedings  |  2018  |  2018 IEEE 21st International Symposium on Real-Time Distributed Computing (ISORC)

© 2018 IEEE. Data Stream Processing (DSP) is a widely used programming paradigm to process an unbounded event stream. Often, DSP f..

Exploiting Data Dependency to Mitigate Stragglers in Distributed Spatial Simulation

E Bin Khunayn, S Karunasekera, H Xie, K Ramamohanarao

Conference Proceedings  |  2017  |  Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

© 2017 Association for Computing Machinery. Distributed spatial simulations commonly employ Bulk Synchronous Parallel model (BSP) ..

Using a Traffic Simulator for Navigation Service

A AlDwyish, H Xie, E Tanin, S Karunasekera, K Ramamohanarao

Conference Proceedings  |  2017  |  Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems

© 2017 Copyright held by the owner/author(s). Traffic congestion is a serious problem that is only expected to get worse in the fu..

Optimum Benefit Protocol: A fast converging, bandwidth-efficient decentralized similarity overlay

IF Bukhari, A Harwood, S Karunasekera

Journal article  |  2017  |  Journal of Parallel and Distributed Computing

Distributed stream clustering using micro-clusters on Apache Storm

Pasan Karunaratne, Shanika Karunasekera, Aaron Harwood

Journal article  |  2017  |  Journal of Parallel and Distributed Computing

Personalized itinerary recommendation with queuing time awareness

KH Lim, J Chan, S Karunasekera, C Leckie

Conference Proceedings  |  2017  |  Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval

© 2017 Copyright held by the owner/author(s). Personalized itinerary recommendation is a complex and timeconsuming problem, due to..

Geometry of interest (GOI): spatio-temporal destination extraction and partitioning in GPS trajectory data

Seyed Morteza Mousavi, Aaron Harwood, Shanika Karunasekera, Mojtaba Maghrebi

Journal article  |  2017  |  Journal of Ambient Intelligence and Humanized Computing

A Multi-stage Hierarchical Window Model with Application to Real-Time Graph Analysis

Sachini Jayasekara, Shanika Karunasekera, Aaron Harwood

Conference Proceedings  |  2017  |  2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS)

Modelling the Working Week for Multi-Step Forecasting using Gaussian Process Regression

Pasan Karunaratne, Masud Moshtaghi, Shanika Karunasekera, Aaron Harwood, Trevor Cohn

Conference Proceedings  |  2017  |  Proceedings of the Twenty-Sixth International Joint Conference on Artificial Intelligence

Follow The Best: Crowdsourced Automated Travel Advice

A AlDwyish, E Tanin, S Karunasekera

Conference Proceedings  |  2017  |  Proceedings of the 14th EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services

RAPID: Real-time analytics platform for interactive data-mining in a decision support scenario

Michelle Vanni, Sue E Kase, Shanika Karunasekera, Lucia Falzon, Aaron Harwood

Conference Proceedings  |  2017  |  Next-Generation Analyst V

Multi-step Prediction with Missing Smart Sensor Data using Multi-task Gaussian Processes

Pasan Karunaratne, Masud Moshtaghi, Shanika Karunasekera, Aaron Harwood, Trevor Cohn

Conference Proceedings  |  2017  |  2017 IEEE International Conference on Big Data, BigData 2017, Boston, MA, USA, December 11-14, 2017

E-Storm: Replication-based State Management in Distributed Stream Processing Systems

Xunyun Liu, Aaron Harwood, Shanika Karunasekera, Benjamin Rubinstein, Rajkumar Buyya

Conference Proceedings  |  2017  |  2017 46th International Conference on Parallel Processing (ICPP)

ClusTop: A Clustering-based Topic Modelling Algorithm for Twitter using Word Networks

Kwan Hui Lim, Shanika Karunasekera, Aaron Harwood

Conference Proceedings  |  2017  |  2017 IEEE International Conference on Big Data (Big Data)

Straggler Mitigation for Distributed Behavioral Simulation

Eman Bin Khunayn, Shanika Karunasekera, Hairuo Xie, Kotagiri Ramamohanarao

Conference Proceedings  |  2017  |  2017 IEEE 37th International Conference on Distributed Computing Systems (ICDCS)

Search Result Personalization in Twitter Using Neural Word Embeddings

Sameendra Samarawickrama, Shanika Karunasekera, Aaron Harwood, Ramamohanarao Kotagiri

Conference Proceedings  |  2017  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

SMARTS: Scalable Microscopic Adaptive Road Traffic Simulator

Kotagiri Ramamohanarao, Hairuo Xie, Lars Kulik, Shanika Karunasekera, Egemen Tanin, Rui Zhang, Eman Bin Khunayn

Journal article  |  2017  |  ACM Transactions on Intelligent Systems and Technology

Spatial-based Topic Modelling using Wikidata Knowledge Base

Kwan Hui Lim, Shanika Karunasekera, Aaron Harwood, Lucia Falzon

Conference Proceedings  |  2017  |  2017 IEEE International Conference on Big Data (Big Data)

dSpark: Deadline-based Resource Allocation for Big Data Applications in Apache Spark

Muhammed Tawfiqul Islam, Shanika Karunasekera, Rajkumar Buyya

Conference Proceedings  |  2017  |  2017 IEEE 13th International Conference on e-Science (e-Science)

A Simulation Study of Emergency Vehicle Prioritization in Intelligent Transportation Systems

Hairuo Xie, Shanika Karunasekera, Lars Kulik, Egemen Tanin, Rui Zhang, Kotagiri Ramamohanarao

Conference Proceedings  |  2017  |  2017 IEEE 85th Vehicular Technology Conference (VTC Spring)

A framework for distributed data analysis for IoT

M Moshtaghi, C Leckie, S Karunasekera

Book Chapter  |  2016

PersTour: A personalized tour recommendation and planning system

KH Lim, X Wang, J Chan, S Karunasekera, C Leckie, Y Chen, CL Tan, FQ Gao, TK Wee

Conference Proceedings  |  2016  |  CEUR Workshop Proceedings

Touring is a popular but time-consuming activity, due to the need to identify interesting attractions or Places-of-Interest (POIs)..

Anomaly Detection in Non-stationary Data: Ensemble based Self-Adaptive OCSVM

Zahra Ghafoori, Sarah M Erfani, Sutharshan Rajasegarar, Shanika Karunasekera, Christopher A Leckie

Conference Proceedings  |  2016  |  2016 International Joint Conference on Neural Networks (IJCNN)

Unsupervised Parameter Estimation for One-Class Support Vector Machines

Zahra Ghafoori, Sutharshan Rajasegarar, Sarah M Erfani, Shanika Karunasekera, Christopher A Leckie

Conference Proceedings  |  2016  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Towards next generation touring: Personalized group tours

KH Lim, J Chan, C Leckie, S Karunasekera

Conference Proceedings  |  2016  |  Proceedings International Conference on Automated Planning and Scheduling, ICAPS

Copyright © 2016, Association for the Advancement of Artificial Intelligence (www.aaai.org). All rights reserved. Recommending and..

High-Dimensional and Large-Scale Anomaly Detection using a Linear One-Class SVM with Deep Learning

S MONAZAM ERFANI, S Rajasegarar, S Karunasekera, C Leckie

Journal article  |  2016  |  Pattern Recognition

Evolving Fuzzy Rules for Anomaly Detection in Data Streams

Masud Moshtaghi, James C Bezdek, Christopher Leckie, Shanika Karunasekera, Marimuthu Palaniswami

Journal article  |  2015  |  IEEE Transactions on Fuzzy Systems

Detecting location-centric communities using social-spatial links with temporal constraints

KH Lim, J Chan, C Leckie, S Karunasekera

Conference Proceedings  |  2015  |  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Community detection on social networks typically aims to cluster users into different communities based on their social links. The..

Improving Location Prediction using a Social Historical Model with Strict Recency Context

KH Lim, J Chan, C LECKIE, S Karunasekera

Conference Proceedings  |  2015

Finding High-level Topics and Tweet Labeling Using Topic Models

Sameendra Samarawickrama, Shanika Karunasekera, Aaron Harwood

Conference Proceedings  |  2015  |  2015 IEEE 21st International Conference on Parallel and Distributed Systems (ICPADS)

R1SVM: A Randomised Nonlinear Approach to Large-Scale Anomaly Detection

Sarah M Erfani, Mahsa Baktashmotlagh, Sutharshan Rajasegarar, Shanika Karunasekera, Chris Leckie

Conference Proceedings  |  2015  |  Twenty-Ninth AAAI Conference on Artificial Intelligence

Effect of Similarity Distribution on the Convergence of Decentralized Similarity Overlays

IF Bukhari, A HARWOOD, S Karunasekera

Conference Proceedings  |  2015  |  Conferences in Research and Practice in Information Technology Series

Personalized tour recommendation based on user interests and points of interest visit durations

KH Lim, J Chan, C Leckie, S Karunasekera

Conference Proceedings  |  2015  |  IJCAI International Joint Conference on Artificial Intelligence

Tour recommendation and itinerary planning are challenging tasks for tourists, due to their need to select Points of Interest (POI..

A Randomized Path Routing Algorithm for Decentralized Route Allocation in Transportation Networks

UTV Nguyen, S Karunasekera, L Kulik, E TANIN, R Zhang, H Zhang, H Xie, R Kotagiri

Conference Proceedings  |  2015  |  Proceedings of the 8th ACM SIGSPATIAL International Workshop on Computational Transportation Science - IWCTS'15

Location-based Social Networking for Obtaining Personalized Driving Advice

A Aldwyish, E TANIN, S Karunasekera

Conference Proceedings  |  2015  |  Proceedings of the 23rd SIGSPATIAL International Conference on Advances in Geographic Information Systems - GIS '15

High-Resolution Monitoring of Atmospheric Pollutants Using a System of Low-Cost Sensors

Sutharshan Rajasegarar, Timothy C Havens, Shanika Karunasekera, Christopher Leckie, James C Bezdek, Milan Jamriska, Ajith Gunatilaka, Alex Skvortsov, Marimuthu Palaniswami

Journal article  |  2014  |  IEEE Transactions on Geoscience and Remote Sensing

Streaming analysis in wireless sensor networks

Masud Moshtaghi, James C Bezdek, Timothy C Havens, Christopher Leckie, Shanika Karunasekera, Sutharshan Rajasegarar, Marimuthu Palaniswami

Journal article  |  2014  |  Wireless Communications and Mobile Computing

An adaptive elliptical anomaly detection model for wireless sensor networks

Masud Moshtaghi, Christopher Leckie, Shanika Karunasekera, Sutharshan Rajasegarar

Journal article  |  2014  |  Computer Networks

Measuring Similarity Between Mobility Models and Real World Motion Trajectories

M Mousavi, A HARWOOD, S Karunasekera

Conference Proceedings  |  2014  |  Computer Science & Information Technology ( CS & IT )

Strategies to encourage and retain women in engineering: A case study approach

A MENDOZA, S Karunasekera, S Wright

Conference Proceedings  |  2014

Privacy-preserving collaborative anomaly detection for participatory sensing

SM Erfani, YW Law, S Karunasekera, CA Leckie, M Palaniswami

Conference Proceedings  |  2014  |  Advances in Knowledge Discovery and Data Mining

Topic-specific post identification in microblog streams

S Karunasekera, A Harwood, S Samarawickrama, K Ramamohanarao, G Robins

Conference Proceedings  |  2014  |  2014 IEEE International Conference on Big Data (Big Data)

The tracking of microblog discussion, on a given topic, is useful for a wide range of higher level applications. Microblog service..

High Resolution Spatio-temporal Monitoring of Air Pollutants Using Wireless Sensor Networks

Sutharshan Rajasegarar, Peng Zhang, Yang Zhou, Shanika Karunasekera, Christopher Leckie, Marimuthu Palaniswami

Conference Proceedings  |  2014  |  Proceedings of the 2014 IEEE Ninth International Conference on Intelligent Sensors, Sensor Networks and Information Processing

Distributed Scheduling Schemes for Wireless Mesh Networks: A Survey

Kanthaiah Sivapragasam Vijayalayan, Aaron Harwood, Shanika Karunasekera

Journal article  |  2013  |  ACM Computing Surveys

Mining micro-blogs: Opportunities and challenges

Y Liao, M Moshtaghi, B Han, S Karunasekera, R Kotagiri, T Baldwin, A Harwood, P Pattison

Book Chapter  |  2013

An Energy Efficient Distributed Scheduling Scheme for Wireless Mesh Networks

KS Vijayalayan, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2013  |  Proceedings of the 2013 IEEE 27th International Conference on Advanced Information Networking and Applications (AINA)

Statistics of chemical tracer concentration in a multi-compartment structure measured with a sensor network

SA Karunasekera, A Skvortsov, A Gunatilaka, D Pitaliadda

Conference Proceedings  |  2013  |  Proceedings of the 20th International Congress on Modelling and Simulation

Privacy-Preserving Data Aggregation in Participatory Sensing Networks

S MONAZAM ERFANI, SA Karunasekera, CA Leckie, U Parampalli

Conference Proceedings  |  2013  |  IEEE ISSNIP: Sensing the Future

Map-based spatio-temporal interpolation in vehicle trajectory data using routing web-services

MM Barroudi, A Harwood, S Karunasekera

Conference Proceedings  |  2012  |  IWCTS 2012

Performance of Wireless Chemical Sensor Network With Dynamic Collaboration

Champake Mendis, Alex Skvortsov, Ajith Gunatilaka, Shanika Karunasekera

Journal article  |  2012  |  IEEE Sensors Journal

A support platform for event detection using social intelligence

T Baldwin, P Cook, B Han, A Harwood, S Karunasekera, M Moshtaghi

Conference Proceedings  |  2012  |  Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics

Improving performance in delay/disruption tolerant networks through passive relay points

Saeed Shahbazi, Shanika Karunasekera, Aaron Harwood

Journal article  |  2012  |  Wireless Networks

Feature Selection for User Motion Pattern Recognition in Mobile Networks

Morteza Mousavi Barroudi, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2012  |  Proceedings of the 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications

Incremental elliptical boundary estimation for anomaly detection in Wireless Sensor Networks

M Moshtaghi, C Leckie, S Karunasekera, JC Bezdek, S Rajasegarar, M Palaniswami

Conference Proceedings  |  2011  |  Proceedings of the 11th IEEE International Conference on Data Mining (ICDM 2011)

An efficient hyperellipsoidal clustering algorithm for resource-constrained environments

Masud Moshtaghi, Sutharshan Rajasegarar, Christopher Leckie, Shanika Karunasekera

Journal article  |  2011  |  Pattern Recognition

Gossip-based asynchronous and robust aggregation protocol-A pessimistic approach

I Rao, A Harwood, S Karunasekera

Conference Proceedings  |  2011  |  The 8th Annual IEEE Consumer Communications and Networking Conference - Content Distribution and Peer-to-Peer Networks

On Placement of Passive Stationary Relay Points in Delay Tolerant Networking

Saeed Shahbazi, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2011  |  Proceedings - International Conference on Advanced Information Networking and Applications, AINA 2011

Global detection of flooding-based DDoS attacks using a cooperative overlay network

T Velauthapillai, A Harwood, S Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the Fourth International Conference on Network and System Security 2010

The effect of correlation of chemical tracers on chemical sensor network performance

C Mendis, A Gunatilaka, A Skvortsov, S Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the 6th International Conference on Intelligent Sensors, Sensor Networks and Information Processing 2010

Impacts of asynchrony on epidemic-style aggregation protocols

I Rao, A Harwood, S Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the 16th IEEE International Conference on Parallel and Distributed Systems 2010

Minimizing the operational cost of chemical sensor networks

S Karunasekera, A Skvortsov, A Gunatilaka

Conference Proceedings  |  2010  |  Proceedings of the 6th International Conference on Intelligent Sensors, Sensor Networks and Information Processing 2010

A distributed eResearch tool for evaluating source backtracking algorithms

S Karunasekera, J Beaton, A Dimech, A Skvortsov, A Gunatilaka

Conference Proceedings  |  2010  |  Proceedings of the 6th IEEE e-Science Conference 2010

A gossip-based asynchronous aggregation protocol for P2P systems

I Rao, A Harwood, S Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the 35th IEEE International Conference on Local Computer Networks 2010

GeoWeight: Internet host geolocation based on a probability model for latency measurements

MJ Arif, S Karunasekera, S Kulkarni

Conference Proceedings  |  2010  |  Proceedings of the 33rd Australasian Computer Science Conference 2010

Sensor data boundary estimation for anomaly detection in wireless sensor networks

S Suthaharan, C Leckie, M Moshtaghi, S Karunasekera, S Rajasegarar

Conference Proceedings  |  2010  |  Proceedings of the 7th IEEE International Conference on Mobile Ad-hoc and Sensor Systems 2010

A decentralized dynamic sensor activation protocol for chemical sensor networks

S Karunasekera, C Mendis, A Skvortsov, A Gunatilaka

Conference Proceedings  |  2010  |  Proceedings of the 9th IEEE International Symposium on Network Computing and Applications 2010

On problem for aggregate node selection for unstructured overlay networks

I Rao, A Harwood, S Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the 12th IEEE International Conference on High Performance Computing and Communications

A survey of coordinated attacks and collaborative intrusion detection

Chenfeng Vincent Zhou, Christopher Leckie, Shanika Karunasekera

Journal article  |  2010  |  Computers & Security

Medium-term client-perceived performance prediction

N Thio, S Karunasekera

Journal article  |  2010  |  Journal of Emerging Technologies in Web Intelligence

Internet Host Geolocation Using Maximum Likelihood Estimation Technique

MJ Arif, S Karunasekera, S Kulkarni, A Gunatilaka, B Ristic

Conference Proceedings  |  2010  |  Proceedings of the 24th IEEE International Conference on Advanced Information Networking and Applications 2010

Fast Channel Establishment for IEEE 802.16 Wireless Mesh Networks

KS Vijayalayan, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2010  |  Proceedings of the IEEE Global Communication Conference 2010

An analytical model for performance evaluation in sparse mobile ad hoc networks

S Shahbazi, A Harwood, S Karunasekera

Conference Proceedings  |  2009  |  Proceedings of the 2nd IFIP Wireless Days Conference 2009

Decentralized multi-dimensional alert correlation for collaborative intrusion detection

Chenfeng Vincent Zhou, Christopher Leckie, Shanika Karunasekera

Journal article  |  2009  |  Journal of Network and Computer Applications

Experimental Verification of Evolutionary Estimation Algorithms for Radioactive Source Localisation

Champake Mendis, Ajith Gunatilaka, Branko Ristic, Shanika Karunasekera, Alex Skvortsov

Conference Proceedings  |  2009  |  Proceedings of 2009 Fifth International Conference on Intelligent Sensors, Sensor Networks and Information Processing

Anomaly Detection by Clustering Ellipsoids in Wireless Sensor Networks

Masud Moshtaghi, Sutharshan Rajasegarar, Christopher Leckie, Shanika Karunasekera

Conference Proceedings  |  2009  |  Proceedings of 5th International Conference on Intelligent Sensors, Sensor Networks and Information Processing

The Effect of Data Collection Geometry on Radiological Source Localisation

Ajith Gunatilaka, Branko Ristic, Champake Mendis, Shanika Karunasekera, Alex Skvortsov

Conference Proceedings  |  2009  |  Proceedings of 2009 Fifth International Conference on Intelligent Sensors, Sensor Networks and Information Processing

Collaborative detection of fast flux phishing domains

CV Zhou, C Leckie, S Karunasekera

Journal article  |  2009  |  Journal of Networks

SOVolP: Middleware for universal VoIP connectivity

MJ Arif, S Karunasekera, undefined Kulkarni

Conference Proceedings  |  2008  |  Proceedings of the 8th International Middleware Conference

An unstructured peer-to-peer approach to aggregate node selection

I Rao, A Harwood, S Karunasekera

Conference Proceedings  |  2008  |  Proceedings of the International Symposium on High Performance Distributed Computing & Co-Located Workshops

A self-healing, self-protecting collaborative intrusion detection architecture to trace-back fast-flux phishing domains

CV Zhou, C Leckie, S Karunasekera, T Peng

Conference Proceedings  |  2008  |  Proceedings of the IEEE/IFIP Network Operations and Management Symposium Workshops

Description templates for agent-oriented patterns

Ayodele Oluyomi, Shanika Karunasekera, Leon Sterling

Journal article  |  2008  |  Journal of Systems and Software

Relieving hot spots in collaborative intrusion detection systems during worm outbreaks

Chenfeng Vincent Zhou, Shanika Karunasekera, Christopher Leckie

Conference Proceedings  |  2008  |  Proceedings of the IEEE/IFIP Network Operations and Management Symposium

Achieving Ubiquitous Network Connectivity using an RFID Tag-based Routing Protocol

Saeed Shahbazi, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2008  |  Proceedings of the 14th IEEE International Conference on Parallel and Distributed Systems

A comprehensive view of agent-oriented patterns

Ayodele Oluyomi, Shanika Karunasekera, Leon Sterling

Journal article  |  2007  |  Autonomous Agents and Multi-Agent Systems

CAESAR: Middleware for complex service-oriented peer-to-peer applications

L Chan, S Karunasekera, E Tanin, A Harwood

Conference Proceedings  |  2007  |  Proceedings of the 5th international workshop on Middleware for grid computing

Adaptive expression based routing protocol for P2P systems

Imran Rao, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2007  |  On the Move to Meaningful Internet Systems 2007: OTM 2007 Workshops (Lecture Notes in Computer Science)

Designing configurable publish-subscribe scheme for decentralised overlay networks

Lipo Chan, Shanika Karunasekera

Conference Proceedings  |  2007  |  Proceedings of the 21st International Conference on Advanced Information Networking and Applications

Directions for peer-to-peer based mobile Pervasive Augmented Reality Gaming

Chao Huang, Aaron Harwood, Shanika Karunasekera

Conference Proceedings  |  2007  |  The 13th International Conference in Parallel and Distributed Systems

Industry Based Learning in Software Engineering: Successes and Challenges

T MAHMOOD, K LISTER, S KARUNASEKERA, E KAZMIERCZAK

Conference Proceedings  |  2007  |  Proceedings of the Workshop on Software Engineering Education

Web service recommendation based on client-side performance estimation

Niko Thio, Shanika Karunasekera

Conference Proceedings  |  2007  |  Proceedings of the 2007 Australian Software Engineering Conference

Evaluation of a decentralized architecture for large scale collaborative intrusion detection

Chenfeng Vincent Zhou, Shanika Karunasekera, Christopher Leckie

Conference Proceedings  |  2007  |  10th IFIP/IEEE International Symposium on Integrated Network Management

Preparing Software Engineering graduates for an industry career

Shanika Karunasekera, Kunal Bedse

Conference Proceedings  |  2007  |  Proceedings of the 20th Conference on Software Engineering Education & Training

A Process for Analyzing Agent-Oriented Patterns

AO OLUYOMI, S KARUNASEKERA, L STERLING

Conference Proceedings  |  2007  |  Proceedings of the 6th International Joint Conference on Autonomous Agents and Multiagent Systems

Decentralised resource discovery service for large scale federated grids

Rajiv Ranjan, Lipo Chan, Aaron Harwood, Shanika Karunasekera, Rajkumar Buyya

Conference Proceedings  |  2007  |  Third IEEE International Conference on e-Science and Grid Computing (e-Science 2007)

Systematic development of quality aware decentralised service-oriented systems

Lipo Chan, Shanika Karunasekera

Conference Proceedings  |  2007  |  Proceedings of the 7th International Conference on Quality Software

Design of agent-oriented pattern templates

Ayodele Oluyomi, Shanika Karunasekera, Leon Sterling

Conference Proceedings  |  2006  |  Proceedings of the Australian Software Engineering Conference 2006

Improved template for agent pattern description

A Oluyomi, S Karunasekera, L Sterling

Conference Proceedings  |  2005  |  Proceedings of the International Conference on Intelligent Agent Technology

Improving goal and role oriented analysis for agent based systems

PP Kuan, S Karunasekera, L Sterling

Conference Proceedings  |  2005  |  Proceedings of the 2005 Australian Software Engineering Conference

Automatic measurement of a QoS metric for web service recommendation

N Thio, S Karunasekera

Conference Proceedings  |  2005  |  Proceedings of the Australian Software Engineering Conference

Client profiling for QoS-based web service recommendation

N Thio, S Karunasekera

Conference Proceedings  |  2005  |  Proceedings of the Asia-Pacific Software Engineering Conference

A tool to support perspective based approach to software code inspection

L Chan, K Jiang, S Karunasekera

Conference Proceedings  |  2005  |  Proceedings of the 2005 Australian Software Engineering Conference

A Peer-to-Peer Collaborative Intrusion Detection System

CV ZHOU, SA KARUNASEKERA, CA LECKIE

Conference Proceedings  |  2005  |  Proceedings of the IEEE International Conference on Networks (ICON 2005)

A distributed network architecture for robust Internet voting systems

C Burton, S Karunasekera, A Harwood, D Stanley, I Ioannou

Conference Proceedings  |  2005  |  Electronic Government

A peer-to-peer collaborative intrusion detection system

CFV Zhou, S Karunasekera, C Leckie

Conference Proceedings  |  2005  |  2005 13th IEEE International Conference on Networks Jointly held with the 2005 IEEE 7th Malaysia International Conf on Communic

Enabling massively multi-player online gaming applications on a P2P architecture

SCD Douglas, E TANIN, A HARWOOD, SA KARUNASEKERA

Conference Proceedings  |  2005  |  Proceedings of the IEEE International Conference on Information and Automation 2005

Algorithmic-parameter optimization of a parallelized split-step Fourier transform using a modified BSP cost model

E Sundararajan, M Premaratne, S Karunasekera, A Harwood

Conference Proceedings  |  2004  |  Parallel and Distributed Processing and Applications

Agent-oriented software analysis

K Chan, L Sterling, S Karunasekera

Conference Proceedings  |  2004  |  Proceedings of the 2004 Australian Software Engineering Conference

An agent design pattern classification scheme: Capturing the notions of agency in agent design patterns

A Oluyomi, S Karunasekera, L Sterling

Conference Proceedings  |  2004  |  Proceedings of the Asia Pacific Software Engineering Conference 2004

Enhanced service manager: A service management system for next-generation networks

AY Lui, SA Karunasekera, C Leangsuksun

Journal article  |  2000  |  Bell Labs Technical Journal

A DISTORTION MEASURE FOR BLOCKING ARTIFACTS IN IMAGES BASED ON HUMAN VISUAL SENSITIVITY

SA KARUNASEKERA, NG KINGSBURY

Journal article  |  1995  |  IEEE Transactions on Image Processing

A distortion measure for image artifacts based on human visual sensitivity

SA Karunasekera, NG Kingsbury

Conference Proceedings  |  1994  |  ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings