The eduSource Communication Language: implementing open network for learning repositories and services. - Marek Hatala; Griff Richards; Timmy Eap; Jordan Willms (SAC, 2004)

The interoperability of learning object repositories and services: standards, implementations and lessons learned. - Marek Hatala; Griff Richards; Timmy Eap; Jordan Willms (WWW (Alternate Track Papers & Posters), 2004)

Using semantic web approach in augmented audio reality system for museum visitors. - Leila Kalantari; Marek Hatala; Jordan Willms (WWW (Alternate Track Papers & Posters), 2004)