subject_ss:"Suchmaschine / Benutzerverhalten / Aufsatzsammlung"
classification_ss:"06.74 Informationssysteme"
classification_ss:"TVK (FH K)"
type_ss:"m"
year_i:[2000 TO 2010}
language_ss:"d"
1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm