2008

• Hauglid, Jon Olav; Heggland, Jon. (2008) Savanta — search, analysis, visualisation and navigation of temporal annotations. Multimedia Tools and Applications
  Vitenskapelig artikkel

2007

• Heggland, Jon. (2007) Foreign Superkeys and Constant References. Proceedings - International Database Engineering and Applications Symposium
  Vitenskapelig artikkel

2005

• Heggland, Jon. (2005) OntoLog: Flexible Management of Semantic Video Content Annotations. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU, 1503-8181 (2005:161)
  Doktorgradsavhandling