The 1999 Workshop on Spatio-Temporal Database Management, held in Ed- burgh, Scotland, September 10 11, 1999, brought together leading researchers anddevelopersintheareaofspatio-temporaldatabasestodiscussthestate-- the-art in spatio-temporal research and applications and to understand the new challenges and future research directions in this emerging and rapidly advancing area. The workshop served as a forum for disseminating research and expe- ence in spatio-temporal databases and for maximizing interchange of knowledge among researchers from the established spatial and temporal database...