Saman Halgamuge

Finding group steiner trees in graphs with both vertex and edge weights

Y Sun, X Xiao, B Cui, S Halgamuge, T Lappas, J Luo

Journal article  |  2021  |  Proceedings of the VLDB Endowment

Given an undirected graph and a number of vertex groups, the group Steiner trees problem is to find a tree..

Coordinated Charge and Discharge Scheduling of Electric Vehicles for Load Curve Shaping

NI Nimalsiri, EL Ratnam, DB Smith, CP Mediwaththe, SK Halgamuge

Journal article  |  2021  |  IEEE Transactions on Intelligent Transportation Systems

In this paper, we propose two decentralized Electric Vehicle (EV) charge scheduling schemes for shaping the load curve of resident..

QoE-aware Traffic Aggregation Using Preference Logic for Edge Intelligence

P Tang, Y Dong, Y Chen, S Mao, S Halgamuge

Journal article  |  2021  |  IEEE Transactions on Wireless Communications

Traffic flows with different requirements of quality of service (QoS requirements) are aggregated into different QoS classes to pr..

Self-Organizing Nebulous Growths for Robust and Incremental Data Visualization.

Damith A Senanayake, Wei Wang, Shalin H Naik, Saman Halgamuge

Journal article  |  2020  |  IEEE Transactions on Neural Networks and Learning Systems

Nonparametric dimensionality reduction techniques, such as t-distributed Stochastic Neighbor Embedding (t-SNE) and uniform manifol..

IMPARO: inferring microbial interactions through parameter optimisation

Rajith Vidanaarachchi, Marnie Shaw, Sen-Lin Tang, Saman Halgamuge

Conference Proceedings  |  2020  |  BMC Molecular and Cell Biology

BACKGROUND: Microbial Interaction Networks (MINs) provide important information for understanding bacterial communities. MINs can ..

Extremum Seeking Control with Sporadic Packet Transmission for Networked Control Systems

U Premaratne, S Halgamuge, Y Tan, IMY Mareels

Journal article  |  2020  |  IEEE Transactions on Control of Network Systems

Extremum Seeking Control (ESC) is a data-driven optimization technique that can steer a dynamic plant towards an extremum of an un..

Multiobjective Evolution of Fuzzy Rough Neural Network via Distributed Parallelism for Stock Prediction

B Cao, J Zhao, Z Lv, Y Gu, P Yang, SK Halgamuge

Journal article  |  2020  |  IEEE Transactions on Fuzzy Systems

Fuzzy rough theory can describe real-world situations in a mathematically effective and interpretable way, while evolutionary neur..

A Physarum-Inspired Algorithm for Minimum-Cost Relay Node Placement in Wireless Sensor Networks

Yahui Sun, Daniel Rehfeldt, Marcus Brazil, Doreen Thomas, Saman Halgamuge

Journal article  |  2020  |  IEEE/ACM Transactions on Networking

Relay node placement, which aims to connect pre-deployed sensor nodes to base stations, is essential in minimizing the costs of wi..

A Decentralized Electric Vehicle Charge Scheduling Scheme for Tracking Power Profiles

Nanduni Nimalsiri, David Smith, Elizabeth Ratnam, Chathurika Mediwaththe, Saman Halgamuge

Conference Proceedings  |  2020  |  2020 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)

Electric vehicles (EVs) are flexible electric loads whose consumption can be shifted over time, and thus controlled charging of EV..

An Incentive-Compatible Energy Trading Framework for Neighborhood Area Networks With Shared Energy Storage

Chathurika P Mediwaththe, Marnie Shaw, Saman Halgamuge, David B Smith, Paul Scott

Journal article  |  2020  |  IEEE Transactions on Sustainable Energy

Here, a novel energy trading system is proposed for demand-side management of a neighborhood area network (NAN) consisting of a sh..