| 2017 | CIKM | Algorithmic Bias: Do Good Systems Make Relevant Documents More Retrievable? | Colin Wilkie, Leif Azzopardi |
| 2017 | ICTIR | An Initial Investigation of Query Expansion Bias. | Colin Wilkie, Leif Azzopardi |
| 2016 | ICTIR | A Topical Approach to Retrievability Bias Estimation. | Colin Wilkie, Leif Azzopardi |
| 2016 | SIGIR | Retrievability: An Independent Evaluation Measure. | Colin Wilkie |
| 2015 | CIKM | Query Length, Retrievability Bias and Performance. | Colin Wilkie, Leif Azzopardi |
| 2015 | ECIR | Retrievability and Retrieval Bias: A Comparison of Inequality Measures. | Colin Wilkie, Leif Azzopardi |
| 2014 | CIKM | A Retrievability Analysis: Exploring the Relationship Between Retrieval Bias and Retrieval Performance. | Colin Wilkie, Leif Azzopardi |
| 2014 | ECIR | Page Retrievability Calculator. | Leif Azzopardi, Rosanne English, Colin Wilkie, David Maxwell |
| 2014 | ECIR | Best and Fairest: An Empirical Analysis of Retrieval System Bias. | Colin Wilkie, Leif Azzopardi |
| 2014 | ECIR | Efficiently Estimating Retrievability Bias. | Colin Wilkie, Leif Azzopardi |
| 2013 | ECIR | An Initial Investigation on the Relationship between Usage and Findability. | Colin Wilkie, Leif Azzopardi |
| 2013 | SIGIR | Relating retrievability, performance and length. | Colin Wilkie, Leif Azzopardi |