- "Helping Children Find Information", presented at the 1st EU Summer School on Information Foraging, Radboud University Nijmegen, 2011
- "Evaluating Open Source Software", presented at DCS Cakes, Glasgow, 2009.
- "Design and Architecture of PuppyIR", presented at Open Source Search, Cambridge, UK, 2009
- "FRILLS: Forensic Readiness for Local Libraries in Scotland", poster presented at Strathclyde University Research Day, 10th June 2008.
- "Mobile Object Discovery in Unpredictable Environments", presented at ICMU '06 in London, October 2006 (also at Researchers Digest).
- "Location Spoofing", presented at the 2nd Location-aware Computing Workshop, Ubicomp 2004, Nottingham, UK, September 2004 (also at Researchers Digest).
- "Location Aware Computing - Possibilities and Pitfalls" presented at Researchers Digest, University of Strathclyde, November 2003.
- "Location Modeling for Pervasive Environments", Presented at the First UK-UbiNet Workshop, London, Uk, September 2003.