CONCERTO, Conceptual Indexing, Querying and Retrieval of Digital Documents. - Elisa Bertino; Bill Black; Andrew Brasher; Vito Candela; Barbara Catania; Diana Deavin; Luigi Di Pace; Floriana Esposito; Pietro Leo; John McNaught; Andreas Persidis; Fabio Rinaldi 001; et al. (ICMCS, Vol. 2, 1999)