Text REtrieval Conference (5th : 1997 : Gaithersburg, Md.)
Gaithersburg, MD : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, [1997]
1998
Text REtrieval Conference (5th : 1997 : Gaithersburg, Md.)
Gaithersburg, MD : U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, [1997]
1998