Zahra Ghafoori

According to our database, Zahra Ghafoori authored at least 15 papers between 2016 and 2020.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2020

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

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

IEEE Trans. Knowl. Data Eng., 2020

Unsupervised online change point detection in high-dimensional time series.

Masoomeh Zameni, Amin Sadri, Zahra Ghafoori, Masud Moshtaghi, Flora D. Salim, Christopher Leckie, Kotagiri Ramamohanarao

Knowl. Inf. Syst., 2020

Deep Multi-sphere Support Vector Data Description.

Zahra Ghafoori, Christopher Leckie

Proceedings of the 2020 SIAM International Conference on Data Mining, 2020

2019

Approximating Dunn's Cluster Validity Indices for Partitions of Big Data.

Punit Rathore, Zahra Ghafoori, James C. Bezdek, Marimuthu Palaniswami, Christopher Leckie

IEEE Trans. Cybern., 2019

Unsupervised and Active Learning Using Maximin-Based Anomaly Detection.

Zahra Ghafoori, James C. Bezdek, Christopher Leckie, Shanika Karunasekera

Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2019

Change Point Detection for Streaming High-Dimensional Time Series.

Masoomeh Zameni, Zahra Ghafoori, Amin Sadri, Christopher Leckie, Kotagiri Ramamohanarao

Proceedings of the Database Systems for Advanced Applications, 2019

Seeding on Samples for Accelerating K-Means Clustering.

Jia Shun Low, Zahra Ghafoori, James C. Bezdek, Christopher Leckie

Proceedings of the 3rd International Conference on Big Data and Internet of Things, 2019

Online K-Means Clustering with Lightweight Coresets.

Jia Shun Low, Zahra Ghafoori, Christopher Leckie

Proceedings of the AI 2019: Advances in Artificial Intelligence, 2019

2018

Robust and efficient unsupervised anomaly detection in complex and dynamic environments.

Zahra Ghafoori

PhD thesis, 2018

Efficient Unsupervised Parameter Estimation for One-Class Support Vector Machines.

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

IEEE Trans. Neural Networks Learn. Syst., 2018

Dealing with Inliers in Feature Vector Data.

Dheeraj Kumar, Zahra Ghafoori, James C. Bezdek, Christopher Leckie, Kotagiri Ramamohanarao, Marimuthu Palaniswami

Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2018

Estimating Generalized Dunn's Cluster Validity Indices for Big Data.

Punit Rathore, Zahra Ghafoori, James C. Bezdek, Marimuthu Palaniswami, Christopher Leckie

Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, 2018

Urban Sensing for Anomalous Event Detection: - Distinguishing Between Legitimate Traffic Changes and Abnormal Traffic Variability.

Masoomeh Zameni, Mengyi He, Masud Moshtaghi, Zahra Ghafoori, Christopher Leckie, James C. Bezdek, Kotagiri Ramamohanarao

Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2018

2016

Unsupervised Parameter Estimation for One-Class Support Vector Machines.

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

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2016

Anomaly detection in non-stationary data: Ensemble based self-adaptive OCSVM.

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

Proceedings of the 2016 International Joint Conference on Neural Networks, 2016