Collaborative Information Filtering: A Review and an Educational Application. - Andrew E. Walker; Mimi Recker; Kimberly A. Lawless; David A. Wiley (Int. J. Artif. Intell. Educ., 2004)

A study of how online learning resource are used. - Mimi Recker; Sarah Giersch; Andrew E. Walker; Sam Halioris; Xin Mao; Bart Palmer (JCDL, 2007)

A study of teachers' use of online learning resources to design classroom activities. - Mimi Recker; Andrew E. Walker; Sarah Giersch; Xin Mao; Sam Halioris; Bart Palmer; D. Johnson; Heather Leary; M. Brooke Robertshaw (New Rev. Hypermedia Multim., 2007)

Developing a review rubric for learning resources in digital libraries. - Heather Leary; Sarah Giersch; Andrew E. Walker; Mimi Recker (JCDL, 2009)

Automating open educational resources assessments: a machine learning generalization study. - Heather Leary; Mimi Recker; Andrew E. Walker; Philipp G. Wetzler; Tamara Sumner; James H. Martin (JCDL, 2011)

A Preliminary Meta-analysis On the Influence of Scaffolding Characteristics and Study and Assessment Quality on Cognitive Outcomes in STEM Education. - Brian R. Belland; Andrew E. Walker; Nam Ju Kim; Mason R. Lefler (CogSci, 2014)

Interaction, Internet self-efficacy, and self-regulated learning as predictors of student satisfaction in online education courses. - Yu-Chun Kuo; Andrew E. Walker; Kerstin E. E. Schroder; Brian R. Belland (Internet High. Educ., 2014)

A Pilot Meta-Analysis of Computer-Based Scaffolding in STEM Education. - Brian R. Belland; Andrew E. Walker; Megan Whitney Olsen; Heather Leary (J. Educ. Technol. Soc., 2015)