Harald Ullrich
发表
Veda C. Storey,
Robert C. Goldstein,
Harald Ullrich,
2002,
IEEE Trans. Knowl. Data Eng..
Veda C. Storey,
Shankar Sundaresan,
Harald Ullrich,
1997,
ER.
Sandeep Purao,
Veda C. Storey,
Harald Ullrich,
2000,
NLDB.
Veda C. Storey,
Shankar Sundaresan,
Harald Ullrich,
1998,
Data Knowl. Eng..