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 (used in WiAG)

[Download Data Set]


Ambient Light Gestures (used in LiGest)

[Download Data Set]


Ambient Light Gestures (Other)

[Download Data Set]


Software Vulnerabilities

[Download Data Set]

2018


ACM IMWUT '18 &
UbiComp '18

Augmenting User Identification with WiFi Based Gesture Recognition
Shaohu Zhang, Muhammad Shahzad
Download: [paper]


ACM IMWUT '18 &
UbiComp '18

Gesture Recognition Using Ambient Light
Raghav H. Venkatnarayan, Muhammad Shahzad
Download: [paper]


MobiSys '18

Multi-User Activity Recognition Using WiFi
Raghav H. Venkatnarayan, Griffin Page, Muhammad Shahzad
Acceptance rate: TBD%
Download: [paper][slides]


ICNP '18

IoTm: A Lightweight Framework for Fine-grained Measurements of IoT Performance Metrics
Anirudh Ganji, Muhammad Shahzad
Acceptance rate: TBD
Download: [paper][slides]


IEEE/ACM ToN '18

Identifying and Estimating Persistent Items in Data Streams
Haipeng Dai, Muhammad Shahzad
Impact factor at the time of acceptance: 3.11
Download: [paper]


WWW Journal '18

An Accurate Sketch to Store Frequencies in Data Streams
Tong Yang, Haowei Zhang, Hao Wang, Muhammad Shahzad, Qin Xin, Xue Liu, Xiaoming Li
Impact factor at the time of acceptance: 1.405
Download: [paper]


ICC '18

Towards Composing Access Control Policies
Muhammad Shahzad
Acceptance rate: TBD
Download: [paper][slides]


EdgeSys '18

Sizing Buffers of IoT Edge Routers
Jamal Ahmad Khan, Muhammad Shahzad, Ali R. Butt
Acceptance rate: TBD
Download: [paper][slides]


Mobile IoT SSP '18

Impacts and Detection of Network Layer Attacks on IoT Networks
Prasesh Adina, Raghav H. Venkatnarayan, Muhammad Shahzad
Acceptance rate: TBD
Download: [paper][slides]


NetAI '18

Empowering Sketches with Machine Learning for Network Measurements
Tong Yang, Lun Wang, Yulong Shen, Muhammad Shahzad, Qun Huang, Xiaohong Jiang, Kun Tan, Xiaoming Li
Acceptance rate: TBD
Download: [paper][slides]


ACM S3 '18

Recognizing Gestures With Ambient Light
Raghav H. Venkatnarayan, Muhammad Shahzad
Acceptance rate: TBD
Download: [paper][slides]

2017


MobiSys '17

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


BigData '17

Rectangular Hash Table: Bloom Filter and Bitmap Assisted Hash Table with High Speed
Tong Yang, Binchao Yin, Hang Li, Muhammad Shahzad, Steve Uhlig, Bin Cui, Xiaoming Li
Acceptance rate: TBD
Download: [paper][slides]


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]


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]


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 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]


VLDB '17

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

2016


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]


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]

2015


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]

2014


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]


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]

2013


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]


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]


USPTO

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

2012


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]

2011


ICC '11

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

2010 and before


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]