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Author:

Qiu, Zhicong

Title:

Semisupervised Active Learning and Group Anomaly Detection with Unknown or Label-Scarce Categories

Graduate Program:

Electrical Engineering

Keywords:

Active learning (AL)
cross entropy
inductive bias
logistic regression
p-value
rare classes
regularization
semisupervised learning (SL).
Active learning
cross entropy
inductive bias
logistic regression
p-value
rare classes
regularization
semi-supervised learning
group anomaly detection
network intrusion detection
Gaussian mixture model
Bonferroni approximation

File:

Download Comp.pdf

Committee Members:

David Jonathan Miller, Dissertation Advisor/Co-Advisor
David Jonathan Miller, Committee Chair/Co-Chair
John F Doherty, Committee Member
George Kesidis, Committee Member
Sencun Zhu, Outside Member

Author:

Cui, Limeng

Title:

Understanding and Detecting Online Misinformation with Auxiliary Data

Graduate Program:

Information Sciences and Technology

Keywords:

Misinformation detection
Graph neural networks
Knowledge graph
Social media
Fraud detection
Active learning

File:

Download Dissertation.pdf

Committee Members:

Mary Beth Rosson, Professor in Charge/Director of Graduate Studies
Dongwon Lee, Chair & Dissertation Advisor
Lin Lin, Outside Unit & Field Member
Amulya Yadav, Major Field Member
Anna Squicciarini, Major Field Member

Author:

Chiu, Cho Chun

Title:

Learning about and over Networks: Optimized Designs for Network Tomography and Decentralized Learning 

Graduate Program:

Computer Science and Engineering

Keywords:

Decentralized learning
D-PSGD
convergence analysis
Laplacian matrix sampling
communication cost
Convergence analysis
Active learning
WBAN
Network tomography
Combinatorial optimization
Coreset

File:

Download Daniel_PhD_Dissertation.pdf

Committee Members:

Chitaranjan Das, Program Head/Chair
Vijaykrishnan Narayanan, Major Field Member
Fenglong Ma, Outside Unit & Field Member
Ting He, Chair & Dissertation Advisor
Mehrdad Mahdavi, Major Field Member