Contains the keyword entropy

Taylor QC, Krein JL, MacLean AC, Knutson CD. An Analysis of Author Contribution Patterns in Eclipse Foundation Project Source Code. Springer; 2011. Abstract
Krein JL, MacLean AC, Knutson CD, Delorey DP, Eggett DL. Impact of Programming Language Fragmentation on Developer Productivity. International Journal of Open Source Software and Processes. 2010;2(2):41-61. Abstract
Taylor QC, Stevenson JE, Delorey DP, Knutson CD. Author Entropy: A Metric for Characterization of Software Authorship Patterns. In: 3rd Workshop on Public Data about Software Development (WoPDaSD 2008).; 2008. p. 42-7. Abstract  Download: entropy2008.pdf (1.12 MB)