WRAPLE: The Weighted Repair Assistance Program Learning Extension. - William R. Simpson; Carol J. Dowling (IEEE Des. Test, 1986)

Functional path analysis: an approach to software verification. - John W. Sheppard; William R. Simpson (ACM Conference on Computer Science, 1988)

Using a Competitive Learning Neural Network to Evaluate Software Complexity. - John W. Sheppard; William R. Simpson (SIGSMALL/PC Symposium, 1990)

An Intelligent Approach to Automatic Test Equipment. - William R. Simpson; John W. Sheppard (ITC, 1991)

A Mathematical Model for Integrated Diagnostics. - John W. Sheppard; William R. Simpson (IEEE Des. Test Comput., 1991)

System Complexity and Integrated Diagnostics. - William R. Simpson; John W. Sheppard (IEEE Des. Test Comput., 1991)

System Perspective on Diagnostic Testing. - William R. Simpson; John W. Sheppard (ITC, 1992)

Applying Testability Analysis for Integrated Diagnostics. - John W. Sheppard; William R. Simpson (IEEE Des. Test Comput., 1992)

System Testability Assessment for Integrated Diagnostics. - William R. Simpson; John W. Sheppard (IEEE Des. Test Comput., 1992)

The Impact of Commercial Off-The-Shelf (COTS) Equipment on System Test and Diagnosis. - William R. Simpson; John W. Sheppard (ITC, 1993)

Performing Effective Fault Isolation in Integrated Diagnostics. - John W. Sheppard; William R. Simpson (IEEE Des. Test Comput., 1993)

Fault Isolation in an Integrated Diagnostic Environment. - William R. Simpson; John W. Sheppard (IEEE Des. Test Comput., 1993)

A D&T Special Report: Defining ATLAS 2000. - William R. Simpson (IEEE Des. Test Comput., 1994)

Cutting the Cost of Test; the Value-added Way. - William R. Simpson (ITC, 1995)

The Key to Concurrent Engineering is Design Tools. - William R. Simpson (ITC, 1996)

Improving the accuracy of diagnostics provided by fault dictionaries. - John W. Sheppard; William R. Simpson (VTS, 1996)

Ethics, Professionalism and Accountability in Testing. - William R. Simpson (ITC, 1997)

Enough is enough already. - William R. Simpson (ITC, 1998)

Standard representations of diagnostic models. - William R. Simpson; John W. Sheppard (SMC, 1998)

Managing Conflict in System Diagnosis. - John W. Sheppard; William R. Simpson (Computer, 1998)

An authentication model for delegation, attribution and least privilege. - Ebrima N. Ceesay; Coimbatore Chandersekaran; William R. Simpson (PETRA, 2010)

A Multi-tiered Approach to Enterprise Support Services. - Coimbatore Chandersekaran; William R. Simpson (HCI (9), 2011)

Wireless Computing and IT Ecosystems. - William R. Simpson (CoRR, 2013)

Vulnerability and Remediation for a High-assurance Web-based Enterprise. - William R. Simpson; Coimbatore Chandersekaran (ICEIS (2), 2014)

Enterprise Level Security. - Eric D. Trias; William R. Simpson; Kevin E. Foltz; Frank P. Konieczny (MILCOM, 2016)

Enterprise Level Security with Homomorphic Encryption. - Kevin Foltz; William R. Simpson (ICEIS (1), 2017)

Extending CryptDB to Operate an ERP System on Encrypted Data. - Kevin Foltz; William R. Simpson (ICEIS (1), 2018)

Secure Endpoint Device Agent Architecture. - Kevin Foltz; William R. Simpson (ICEIS (1), 2019)

Enterprise Security with Endpoint Agents. - Kevin Foltz; William R. Simpson (ICEIS (Revised Selected Papers), 2019)

Public Key Infrastructure Issues for Enterprise Level Security. - Kevin Foltz; William R. Simpson (ICEIS (1), 2020)

Secure Server Key Management Designs for the Public Cloud. - Kevin Foltz; William R. Simpson (MLIS, 2020)