Norbert Fuhr Models for Integrated Information Retrieval and Database Systems. 3-13 1996 19 IEEE Data Eng. Bull. 1 DEBU/96MAR-CD.PDF db/journals/debu/debu19.html#Fuhr96 db/journals/debu/Fuhr96.html conf/sigir/Allen94 ... journals/debu/Faloutsos95 ... journals/tois/FuhrR97 conf/vldb/Fuhr90 conf/sigir/Fuhr92 ... conf/him/Fuhr95 conf/sigir/Fuhr95 conf/cikm/Fuhr96 journals/cj/HarperW92 journals/sigmod/Loeffen94 journals/computer/MeghiniRT91 journals/cj/Rijsbergen86 conf/vldb/SchekP82 journals/is/SchekS86 books/cs/Ullman88