Previous editions of the symposium
- 2014: HTC-13/HTSP-3, Bruges, Belgium
- 2012: HTC-12/HTSP-2, Bruges, Belgium
- 2010: HTC-11/HTSP-1, Bruges, Belgium
- 2008: HTC-10/ExTech 2008, Bruges, Belgium
- 2006: HTC-9/ExTech 2006, York, UK
- 2004: HTC-8, Bruges, Belgium
- 2002: HTC-7, Bruges, Belgium
- 2000: HTC-6, Bruges, Belgium
- 1998: HTC-5, Bruges, Belgium
- 1996: HTC-4, Bruges, Belgium
- 1994: HTC-3, Antwerp, Belgium
- 1992: HTC-2, Antwerp, Belgium
- 1990: HTC-1, Antwerp, Belgium