(Last updated on Dec. 2019)

Software engineering, data-driven software introspection, code search engines,
open source software security and trustability, and productivity tools for
software developers

SRI International · Menlo Park, CA
Advanced Computer Scientist I
Applying machine intelligence to open source software security and introspection.

UC Santa Cruz · Ph.D. in Computer Science
Thesis title: Source code Curation Tooling for the Code Forager
Advisor: Prof. Jim Whitehead

San Jose State University · M.S. in Software Engineering
Thesis title: Building Systems Using Patterns: Creating Knowledge Maps
Advisor: Prof. M.E. Fayad

SRI International · Menlo Park, CA
Computer Scientist
Worked on a comprehensive range of capabilities for doing large scale
software introspection; including machine learning models for API call-sequence prediction, source code ranking, and automated library curation.

SRI International · Menlo Park, CA
Postdoctoral Fellow — Host: Hassen Saidi
Worked on the development of new ranking models for source code search and new source code summarization techniques based on two new concepts: source code membership and source code multistaging.

SRI International · Menlo Park, CA
Visiting Research Fellow — Host: John Murray
Researched new crowdsourced-AI formal verification methods.

UC Santa Cruz · Santa Cruz, CA
Research Assistant — Software Introspection Lab
Worked on understanding the technical issues concerning crowdsourced-AI gaming for formal verification by helping create and validate two crowdsourced-AI video games.
Worked on the development of code foraging tools for efficient evaluation and integration of online source code.

UC Santa Cruz · Santa Cruz, CA
Research Assistant — Information Retrieval Lab
Worked on the development of machine learning models for Cyberbullying detection in social network platforms.

UC Santa Cruz · Santa Cruz, CA
Research Assistant — Augmented Design Lab
Investigated how to build mixed-initiative content creation tools for robot design.

UC Santa Cruz · Santa Cruz, CA
Research Assistant — Database Group
Developed new algorithms for index tuning, focusing on easier and effective semi-automatic index tuning.

Infomotor, Inc. · San Francisco, CA
Software Engineer/Consultant
Developed Web applications for streamlining both reporting and presentation of key performance metrics, and delivering understandable and actionable data.

Pearson VUE · Bloomington, MN
Software Engineer
Developed tools that support a set of distributed applications responsible for delivering over four million computer-based tests a year across the globe for clients in diverse markets, such as licensure, certification, etc.

San Jose State University · Santa Cruz, CA
Research Assistant
Masters research on tools for building systems using patterns.

Visualizing the Failure Landscape of Arbitrary Open-source Software
Under review.

A Vision of Hyper Collaborative Open Source Software Development
In preparation.

JayHorn: A Framework for Verifying Java programs
T. Kahsai, P. Rümmer, H. Sanchez, and M. Schäf
CAV: 28th International Conference on Computer Aided Verification

Design Lessons From Binary Fission: A Crowd Sourced Game for Precondition Discovery.
K. Compton, H. Logas, J. Osborn, C. Chakrabortti, K. Coffman, D. Fava, D. Lederle–Ensign, Z. Lin, J. Mazeika, A. Mobramaein, J. Pagnutti, H. Sanchez, J. Whitehead, J. Murray, and Laurel, B.
FDG: 1st International Joint Conference of DiGRA and FDG

Detecting Similar Programs via the Weisfeiler-Lehman Graph Kernel
W. Li, H. Saidi, H. Sanchez, M. Schäf, and P. Schweitzer
ICSR: 15th International Conference on Software Reuse

Multistaging to Understand: Distilling the Essence of Java Code Examples
H. Sanchez, J. Whitehead, and M. Schäf
ICPC: 24th IEEE International Conference on Program Comprehension

Putting Your Passwords on Self Destruct Mode: Beating Password Fatigue
H. Sanchez, J. Murray, and D. Sanchez
SOUPS: 12th Symposium on Usable Privacy and Security

Source Code Curation on StackOverflow: The Vesperin System
H. Sanchez and J. Whitehead
ICSE: 37th IEEE/ACM International Conference on Software Engineering

BotPrint: Casual Robotic Evolution
K. Compton, D. Lederle-Ensign, Z. Lin, J. Mazeika, A. Mobramaein, J. Pagnutti, H. Sanchez, and J. Whitehead
WCCG: 1st Workshop on Computational Creativity and Games

Software Verification Games: Designing Xylem, The Code of Plants
H. Logas, J. Whitehead, M. Mateas, R. Vallejos, L. Scott, D. Shapiro, J. Murray, K. Compton, J. Osborn, O. Salvatore, Z. Lin, H. Sanchez, M. Shavlovsky, D. Cetina, S. Clementi, and C. Lewis
FDG: 9th International Conference on the Foundations of Digital Games

Xylem: The Code of Plants
H. Logas, J. Whitehead, M. Mateas, R. Vallejos, L. Scott, D. Shapiro, J. Murray, K. Compton, J. Osborn, O. Salvatore, Z. Lin, H. Sanchez, M. Shavlovsky, C. Lewis, D. Cetina, and S. Clementi
FDG: 9th International Conference on the Foundations of Digital Games

SNIPR: Complementing Code Search with Code Retargeting Capabilities
H. Sanchez
ICSE: 35th International Conference on Software Engineering

Kaizen: A Semi-Automatic Index Advisor
I. Jimenez, H. Sanchez, Q.T. Tran, and N. Polyzotis
SIGMOD: The 2012 ACM International Conference on Management of Data

Twitter Bullying Detection
H. Sanchez and S. Kumar
NSDI: Proceedings of the 8th USENIX Conference on Networked Systems Design and Implementation

Knowledge Maps - Fundamentally Modular Approach to Software Architecture, Design, Development and Deployment
M. E. Fayad, H.A. Sanchez, and S.K. Singh
SEDE: 19th International Conference on Software Engineering and Data Engineering

The Branding Analysis Pattern
M. E. Fayad, H.A. Sanchez, and S.K. Singh
AICCSA: Proceedings of the IEEE International Conference on Computer Systems and Applications

Towards Scalable and Adaptable Software Architectures
M.E. Fayad, H.S. Hamza, and H.A. Sanchez
IRI: The 2005 IEEE International Conference on Information Reuse and Integration

The Dynamic Mapping Design Pattern
J. Gresh, J. McKim, and H. Sanchez
PLOP: 12th Pattern Language of Programs Conference

A Pattern Language for CRC Cards
M. Fayad, H. Sanchez, and H. Hamza
PLOP: 11th Conference on Pattern Languages of Programs

A Pattern for an Effective Class Responsibility Collaborator (CRC) Cards
M.E. Fayad, H.S. Hamza, and H.A. Sanchez
IRI: IEEE International Conference on Information Reuse and Integration

The Sampling Analysis Pattern
H.A. Sanchez, B. Lai, and M.E. Fayad
IRI: IEEE International Conference on Information Reuse and Integration
Las Vegas, NV

Benchmarking Online Index-Tuning Algorithms
I. Jimenez, J. LeFevre, N. Polyzotis, H. Sanchez, and K. Schnaitter
IEEE Data Engineering Bulletin

Source Code Curation for the Code Forager
Ph.D Thesis, University of California Santa Cruz

Building Systems Using Patterns: Creating Knowledge Maps
Masters Thesis, San Jose State University

Software Patterns, Knowledge Maps, and Domain Analysis
M.E. Fayad, H.A. Sanchez, S.G.K. Hegde, A. Basia, and A. Vakil
CRC Press, 2014. ISBN 9781466571433

UC Santa Cruz CMPM 178 · Human-Centered Design Research
Teaching Assistant

UC Santa Cruz CMPS 121 · Mobile Applications
Teaching Assistant

UC Santa Cruz TIM 50 · Business Information Systems
Teaching Assistant (and Temporary Instructor)

San Jose State CMPE 296G · Software Architectures
Teaching Assistant

San Jose State CMPE 195G · Software Patterns
Teaching Assistant

San Jose State CMPE 133 · Software Engineering II
Teaching Assistant

Applying Machine Learning to Open Source Code Retrieval and Verification
Digital Foundations and Mathematics
Sandia National Laboratories, Livermore, CA

API Workflow Recommendations for Codebase Exploration
DARPA: Mining and Understanding Software Enclaves
University of Texas at Austin, Austin, TX

Cross-Project Software Analysis
DARPA: Mining and Understanding Software Enclaves
Massachusetts Institute of Technology, Cambridge, MA

Multistaging to Understand: Distilling the Essence of Java Code Examples
ICPC: 24th IEEE International Conference on Program Comprehension
Austin, TX

Putting Your Passwords on Self-Destruct Mode: Beating Password Fatigue
SOUPS: 12th Symposium on Usable Privacy and Security
Denver, CO

Source Code Curation for the Code Forager
Computer Science Laboratory (CSL) Seminars
Menlo Park, CA

Source Code Curation on StackOverflow: The Vesperin System
ICSE: 37th International Conference on Software Engineering
Florence, Italy

SNIPR: Complementing Code Search with Code Retargeting Capabilities
ICSE: 35th International Conference on Software Engineering
San Francisco, CA

The Branding Analysis Pattern
AICCSA: Proceedings of the IEEE International Conference on Computer Systems and Applications
Dubai/Sharjah, UAE

A Pattern Language for CRC Cards
PLOP: 11th Conference on Pattern Languages of Programs
Monticello, IL

A Pattern for an Effective Class Responsibility Collaborator (CRC) Cards
IRI: IEEE International Conference on Information Reuse and Integration
Las Vegas, NV

The Sampling Analysis Pattern
IRI: IEEE International Conference on Information Reuse and Integration
Las Vegas, NV

Di Yang, PhD Student
University of California Irvine

Xu Zhang, PhD Student
University of California Santa Cruz

Daniel Sanchez (SRI), Jim Whitehead (UCSC), John Murray (SRI), Michael D. Ernst (UW), Werner Dietl (Waterloo), Wenchao Li (BU), Martin M. Schäf (SRI/Amazon), Di Yang (UCI), Zhongpeng Lin (UCSC/Uber), Hassen Saidi (SRI), Howard Shrobe (MIT CSAIL), Xiaoyue Wang (BU), M.E. Fayad (SJSU), Temesghen Kahsai (NASA Ames), Philipp Rümmer (Uppsala University), Joseph Osborn (UCSC/Pomona College), Natarajan Shankar (SRI), Boris Katz (MIT CSAIL)

ISSTA: The ACM SIGSOFT International Symposium on Software Testing and Analysis

NFM: NASA Formal Methods Symposium

ICTAC: 13th International Colloquium on Theoretical Aspects of Computing

MSR: The 11th Working Conference on Mining Software Repositories

Software Engineering, Human Computer Interaction, Information Retrieval, Data Mining, Machine Learning, Design and Implementation of Database Systems, Programming languages, Topics in Database Systems (Cloud Computing), Computational Models and Complexity, and Advanced Computer Graphics (Procedural Content Generation)

SMAC · https://github.com/SRI-CSL/smac/
Dependency resolution and API call-sequence prediction

Vesperin · https://github.com/vesperin/
ource code curation tool-kit

Kōfu · https://github.com/hsanchez/kofu
Travis CI miner

PASCALI · https://github.com/SRI-CSL/pascali
Big-code analytics

JayHorn · https://github.com/jayhorn/
Model checking for Java programs

JSCheck · https://github.com/hsanchez/jscheck
A limited static type checker for Javascript written in Haskell

CHEKOFV · https://github.com/SoftwareIntrospectionLab/chekofv
Crowd-Sourced Help with Emergent Knowledge for Optimized Formal Verification

Available upon request