classification_ss:"TK5105.875.I57G55 1993"
subject_ss:"Internet / Führer (BVB)"
classification_ss:"54.32 / Rechnerkommunikation"
year_i:[1990 TO 2000}
type_ss:"m"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm