Thursday, August 29, 2013 — 2:00 PM EDT

Candidate

Nima Mousavi

Title

Algorithmic Problems in Access Control

Abstract

Access control is used to provide regulated access to resources by principals.  It is one of the most important and foundational areas of research in information security. Role-Based Access Control (RBAC) is one of the most popular and widely-used access control models. In particular, it has been argued that RBAC is ideally suited for enterprise settings. In this dissertation, we address two problems in the context of RBAC.

Thursday, August 29, 2013 — 11:00 AM EDT

Speaker

Aron Wei-Hsiang Su

Title

An Online Nonlinear Bayesian Filtering Framework for Electrocardiogram Noise Removal

Thursday, August 29, 2013 — 10:00 AM EDT

Speaker

Syed Talha Jawaid

Title

Informative Path Planning and Sensor Scheduling

Abstract

In this thesis we consider two combinatorial optimization problems that relate to the field of persistent monitoring.

Wednesday, August 28, 2013 — 11:00 AM EDT

Speaker

Shuning Wang

Title

Scheduling in omnidirectional relay wireless networks

Tuesday, August 27, 2013 — 2:00 PM EDT

Speaker

Nima Mousavi

Title

Mitigating the Intractability of the User Authorization Query Problem in Role-Based Access Control

Monday, August 26, 2013 — 9:30 AM EDT

Speaker

Ivan Camilo Salgado Patarroyo

Title

Spatially Regularized Spherical Reconstruction: A Cross-Domain Filtering Approach for HARDI Signals

Monday, August 19, 2013 — 10:30 AM EDT

Speaker

Hao Wang

Title

Phase-shifted Fiber Bragg Grating Based Humidity Sensor

Abstract

In recent years, fiber Bragg grating sensors have been widely used because of their unique advantages, such as its multiplexing capability, remote monitoring capability, small size and immunity to electromagnetic. However, several challenges still need to be considered, one of which is the resolution and accuracy of measurements. In this thesis, a humidity fiber optic sensor based on phase-shifted (PS) fiber Bragg gratings (FBG) is demonstrated.

Thursday, August 15, 2013 — 10:30 AM EDT

Speaker

Professor Rui Q. Yang
School of Electrical and Computer Engineering
University of Oklahoma

Title

Quantum Engineered Optoelectronic Devices based on Interband Cascade Structures

Wednesday, August 14, 2013 — 9:30 AM EDT

Speaker

Volodymyr Rudko

Title

Nonlinear Periodic Adaptive Control for Linear Time-Varying Plants

Abstract

In adaptive control the goal is to deal with systems that have unknown and/or time varying parameters. Adaptive control techniques have been developed since 1950's and many results were proven in the cases when the time-variations were slow. However the results pertaining to systems with fast time-variations are still limited, in particular when it comes to plants with unstable zero dynamics.

Tuesday, August 13, 2013 — 11:00 AM EDT

Speaker

Brian Le

Title

Incentive Design for Voltage Optimization Programs for Industrial Loads

Tuesday, August 13, 2013 — 10:00 AM EDT

Speaker

Irshad Ali Qaimkhani

Title

Improving Frequency Reuse and Cochannel Interference Coordination in 4G HetNets

Monday, August 12, 2013 — 10:00 AM EDT

Speaker

Pei Wang

Title

Generating Precise Dependencies for Large Software

Abstract

Dependencies between program elements can reflect the architecture, design, and implementation of a software project. According a industry report [23], intra- and inter-module dependencies can be a significant source of latent threats to software maintainability in long-term software development, especially when the software has millions of lines of code.

Thursday, August 8, 2013 — 2:00 PM EDT

Speaker

Tian Jiang

Title

Personalized Defect Prediction

Thursday, August 8, 2013 — 11:00 AM EDT

Speaker

James Ching-Chih Ho

Title

Joint Source Channel Coding in Broadcast and Relay Channels: A Non-asymptotic End-to-End Distortion Approach

Thursday, August 8, 2013 — 10:30 AM EDT

Speaker

David Christopher Bickford

Title

Path Following and Stabilization of an Autonomous Bicycle

Thursday, August 8, 2013 — 10:00 AM EDT

Speaker

Simon Henri Ferré

Title

A framework to simulate and improve Terahertz Quantum Well Photodetectors

Abstract

A wide range of applications have been recognized for terahertz radiations. In fact, medical imaging, homeland security screening, very high-speed wireless telecommunications systems and even drug and gas detection are boosting the development of terahertz emitters and receivers.

Wednesday, August 7, 2013 — 11:15 AM EDT

Speaker

Ayman Jundi

Title

60 Watts Broadband Push Pull RF Power Amplifier Using LTCC Technology

Wednesday, August 7, 2013 — 10:00 AM EDT

Speaker

Stewart J.Robson

Title

A Ring Oscillator Based Truly Random Number Generator

Tuesday, August 6, 2013 — 3:00 PM EDT

Speaker

Maazen Sulaiman Alsabaan

Title

Economical and Environmentally Friendly Geocast Routing in Vehicular Networks

Tuesday, August 6, 2013 — 2:00 PM EDT

Speaker

Conor O'Sullivan

Title

Test Chip Design for Process Variation Characterization in 3D Integrated Circuits

Tuesday, August 6, 2013 — 1:30 PM EDT

Speaker

Abbas Alighanbari
Visiting Assistant Professor, University of Waterloo
Assistant Professor, Shiraz University, Shiraz, Iran

Title

Plasmonics: Theory and Applications to Guiding, Sensing and Photovoltaics

Tuesday, August 6, 2013 — 1:00 PM EDT

Speaker

Elaheh Fata

Title

Dominating Set Problem on Grids and Robustness Problem

Tuesday, August 6, 2013 — 11:00 AM EDT

Speaker

Shasha Zhu

Title

Fuzzy Authorization for Cloud Storage

Thursday, August 1, 2013 — 4:00 PM EDT

Speaker

Amreen Khan

Title

High Efficiency Two-Stage GaN Power Amplifier with Improved Linearity

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