Empirical and face validity of software maintenance defect models used at the jet propulsion laboratory. - William Taber; Dan Port (ESEM, 2014)

Staffing Strategies for Maintenance of Critical Software Systems at the Jet Propulsion Laboratory. - William Taber; Dan Port (ESEM, 2016)

An empirical study of process policies and metrics to manage productivity and quality for maintenance of critical software systems at the jet propulsion laboratory. - Dan Port; William Taber (ESEM, 2018)

Actionable Analytics for Strategic Maintenance of Critical Software: An Industry Experience Report. - Dan Port; William Taber (IEEE Softw., 2018)

Investigating a NASA Cyclomatic Complexity Policy on Maintenance Risk of a Critical System. - Dan Port; William Taber; LiGuo Huang (ICSE-SEIP, 2023)