Source Codes


Arduino Code for Interfacing TSL237 Light Sensors       

[Download code]


Gesture Recognition on Touch Screen Devices

[Download code]


RFID Identification Protocols

[Download code]


RFID Estimation Protocols

[Download code]

Data Sets



WiFi Gestures

[Download link coming soon]


Ambient Light Gestures

[Download Data Set]


Software Vulnerabilities

[Download Data Set]

Journal Publications


IEEE/ACM ToN '17

A Shifting Framework for Set Queries
Tong Yang, Alex Liu, Muhammad Shahzad, Yang Dongsheng, Qiaobin Fu, Gaogang Xie, Xiaoming Li
Impact factor at the time of acceptance: 3.376
Download: [paper]


IEEE IC '17

Continuous Authentication and Authorization for the Internet of Things (invited; not peer-reviewed)
Muhammad Shahzad, Munindar P. Singh
Impact factor at the time of publishing: 1.4
Download: [paper]


IEEE JSAC '17

Device-free Human Activity Recognition Using Commercial WiFi Devices
Wei Wang, Alex X. Liu, Muhammad Shahzad, Kang Ling, Sanglu Lu
Impact factor at the time of acceptance: 3.672
Download: [paper]


IEEE JSAC '17

Recognizing Keystrokes Using WiFi Devices
Kamran Ali, Alex X. Liu, Wei Wang, Muhammad Shahzad
Impact factor at the time of acceptance: 3.672
Download: [paper]


IEEE TMC '16

Behavior Based Human Authentication on Touch Screen Devices Using Gestures and Signatures
Muhammad Shahzad, Alex X. Liu, Arjmand Samuel
Impact factor at the time of acceptance: 2.456
Download: [paper]


IEEE/ACM ToN '16

Multi-category RFID Estimation
Xiulong Liu, Keqiu Li, Alex X. Liu, Song Guo, Muhammad Shahzad, Ann L. Wang, Jie Wu
Impact factor at the time of acceptance: 2.186
Download: [paper]


IEEE/ACM ToN '16

Fast and Reliable Detection and Identification of Missing RFID Tags in the Wild
Muhammad Shahzad, Alex X. Liu
Impact factor at the time of acceptance: 2.186
Download: [paper]


IEEE/ACM ToN '16

Accurate and Efficient Per-flow Latency Measurement without Probing and Time Stamping
Muhammad Shahzad, Alex X. Liu
Impact factor at the time of acceptance: 2.186
Download: [paper]


IEEE/ACM ToN '14

Probabilistic Optimal Tree Hopping for RFID Identification
Muhammad Shahzad, Alex X. Liu
Impact factor at the time of acceptance: 2.014
Download: [paper]


IEEE/ACM ToN '13

Fast and Accurate Estimation of RFID Tags
Muhammad Shahzad, Alex X. Liu
Impact factor at the time of acceptance: 2.014
Download: [paper]


Elsevier JIS '13

In-execution Dynamic Malware Analysis and Detection by Mining Information in Process Control Blocks of Linux OS
Farrukh Shahzad, Muhammad Shahzad, Mudassar Farooq
Impact factor at the time of acceptance: 3.969
Download: [paper]

Conference Publications


VLDB '17

Finding Persistent Items in Data Streams
Haipeng Dai, Muhammad Shahzad, Alex X. Liu, Yuankun Zhong
Acceptance rate: TBD
Download: [paper][slides]


MobiSys '17

Position and Orientation Agnostic Gesture Recognition Using WiFi
Aditya Virmani, Muhammad Shahzad
Acceptance rate: 18.1%
Download: [paper][slides]


ICDCS '17

Fast and Accurate Tracking of Population Dynamics in RFID Systems
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 16.9%
Download: [paper][slides]


ICDE '17

SF-sketch: A Fast, Accurate, and Memory Efficient Data Structure to Store Frequencies of Data Items (Extended Abstract)
Tong Yang, Lingtong Liu, Yibo Yan, Muhammad Shahzad, Yulong Shen, Xiaoming Li, Bin Cui, Gaogang Xie
Download: [paper]


UbiComp '16

Gait Recognition Using WiFi Signals
Wei Wang, Alex X. Liu, Muhammad Shahzad
Acceptance rate: 23.9%
Download: [paper][slides]


IFIP Networking '16

A Stochastic Frame Based Approach to RFID Tag Searching
Ann L. Wang, Muhammad Shahzad, Alex X. Liu
Acceptance rate: 26.5%
Download: [paper][slides]


VLDB '16

A Shifting Bloom Filter Framework for Set Queries
Tong Yang, Alex X. Liu, Muhammad Shahzad, Yuankun Zhong, Qiaobin Fu, Zi Li, Gaogang Xie, Xiaoming Li
Acceptance rate: 14.5%
Download: [paper][slides]


ICNP '15

Fairness Matters: Identification of Active RFID Tags with Statistically Guaranteed Fairness
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 38/187 = 20.3%
Download: [paper][slides]


MobiCom '15

Understanding and Modeling of WiFi Signal Based Human Activity Recognition
Wei Wang, Alex X. Liu, Muhammad Shahzad, Kang Ling, Sanglu Lu
Acceptance rate: 38/207 = 18.4%
Download: [paper][slides]


MobiCom '15

Keystroke Recognition Using WiFi Signals
Kamran Ali, Alex X. Liu, Wei Wang, Muhammad Shahzad
Acceptance rate: 38/207 = 18.4%
Download: [paper][slides]


INFOCOM '15

Expecting the Unexpected: Fast and Reliable Detection of Missing RFID Tags in the Wild
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 316/1640 = 19.3%
Download: [paper][slides]


SIGMETRICS '14  

Noise Can Help: Accurate and Efficient Per-flow Latency Measurement without Packet Probing and Time Stamping
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 40/238 = 16.8%
Download: [paper][slides]


MobiCom '13

Secure Unlocking of Mobile Touch Screen Devices by Simple Gestures - You can see it but you can not do it
Muhammad Shahzad, Alex X. Liu, Arjmand Samuel
Acceptance rate: 28/208 = 13.5%
Download: [paper][slides]


SIGMETRICS '13

Probabilistic Optimal Tree Hopping for RFID Identification
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 27/196 = 13.8%
Download: [paper][slides]


MobiCom '12

Every Bit Counts - Fast and Scalable RFID Estimation
Muhammad Shahzad, Alex X. Liu
Acceptance rate: 32/212 = 15.1%
Download: [paper][slides]


ICSE '12

A Large Scale Exploratory Analysis of Software Vulnerability Life Cycles
Muhammad Shahzad, Muhammad Zubair Shafiq, Alex X. Liu
Acceptance rate: 87/408 = 21.3%
Download: [paper][slides]


ICC '11

In-execution Malware Detection using Task Structure of Linux Processes
Farrukh Shahzad, Sohail Bhatti, Muhammad Shahzad, Mudassar Farooq
Download: [paper]


RAID '09

Keystroke-based User Identification on Smart Phones
Saira Zahid, Muhammad Shahzad, Syed Ali Khayam, Mudassar Farooq
Download: [paper]


GECCO '09

A Hybrid GA-PSO Fuzzy System for User Identification on Smart Phones
Muhammad Shahzad, Saira Zahid, Mudassar Farooq
Download: [paper]


ICDIP '09

Image Coprocessor: A Real-time Approach Towards Object Tracking
Muhammad Shahzad, Saira Zahid
Download: [paper]


IBCAST '09

Iterative Learning Fuzzy Inference System
Sohail Ashraf, Ejaz Muhammad, F.Rashid, Muhammad Shahzad
Download: [paper]


PPSN '08

A Scalable Formal Framework for Analyzing the Behavior of Nature-inspired Routing Protocols
Muhammad Shahzad, Saira Zahid, Muddassar Farooq
Download: [paper]


CEC '07

A Comprehensive Formal Framework for Analyzing the Behavior of Nature-inspired Routing Protocols
Muhammad Shahzad, Saira Zahid, Syed Usman Ali, Muddassar Farooq
Download: [paper]

Patents


USPTO                 

Behavior Based Authentication for Touch Screen Devices
Arjmand Samuel, Muhammad Shahzad
Application number: US 13/857,155
Year: 2013