Tool Support for Security-Oriented Virtual Research Collaborations. - John P. Watt; Richard O. Sinnott; Jipu Jiang; Tom Doherty; Christopher I. Higgins; Michael Koutroumpas (ISPA, 2009)

Shibboleth Access Management Federations as an Organisational Model for SDI. - Christopher I. Higgins; Michael Koutroumpas; Andreas Matheus; Andrew Seales (Int. J. Spatial Data Infrastructures Res., 2012)

Citizen OBservatory WEB (COBWEB): A Generic Infrastructure Platform to Facilitate the Collection of Citizen Science data for Environmental Monitoring. - Christopher I. Higgins; Jamie Williams; Didier G. Leibovici; Ingo Simonis; Mason J. Davis; Conor Muldoon; Paul van Genuchten; Gregory M. P. O'Hare (Int. J. Spatial Data Infrastructures Res., 2016)

Earth Observation for Citizen Science Validation, or Citizen Science for Earth Observation Validation? The Role of Quality Assurance of Volunteered Observations. - Didier G. Leibovici; Jamie Williams; Julian F. Rosser; Crona Hodges; Colin Chapman; Christopher I. Higgins; Mike J. Jackson (Data, 2017)

On Data Quality Assurance and Conflation Entanglement in Crowdsourcing for Environmental Studies. - Didier G. Leibovici; Julian F. Rosser; Crona Hodges; Barry G. Evans; Mike J. Jackson; Christopher I. Higgins (ISPRS Int. J. Geo Inf., 2017)

Citizen OBservatory WEB (COBWEB): A Generic Infrastructure Platform to Facilitate the Collection of Citizen Science Data for Environmental Monitoring. - Christopher I. Higgins; Jamie Williams; Didier G. Leibovici; Ingo Simonis; Mason J. Davis; Conor Muldoon; Paul van Genuchten; Michael J. O'Grady (Int. J. Spatial Data Infrastructures Res., 2018)