共 40 条
[1]
ABITEBOUL S, 1991, P ACM SIGMOD C
[3]
[Anonymous], 2001, LNCS
[4]
Burdett D., 2000, INTERNET OPEN TRADIN
[5]
CAI T, 1996, PCSTR96283 DARTM COL
[6]
CASATI F, 1998, P 4 INT C COOP INF S
[7]
CASATI F, 2000, HPL200039
[8]
CHIU DK, 2000, THESIS HONG KONG U S