V. Sheftel

发表

Jeffrey Bennett, James G. Shanahan, David A. Evans, 2004, TREC.

Jeffrey Bennett, Gregory Grefenstette, James G. Shanahan, 2001, TREC.

S. P. Chernysheva, V. Sheftel, A. P. Mozhaev, 1976 .

S. P. Chernysheva, V. Sheftel, D. N. Chetaiev, 1978 .

Gregory Grefenstette, James G. Shanahan, David A. Evans, 2003, AMKM.