共 24 条
[1]
Benci E., 1976, MODELLING DATABASE M, P181
[2]
BORKIN S, 1980, DATA MODELS SEMANTIC
[3]
QUERY-BY-PICTORIAL-EXAMPLE
[J].
IEEE TRANSACTIONS ON SOFTWARE ENGINEERING,
1980, 6 (06)
:519-524
[4]
CHANG SK, 1981, IEEE COMPUT, V14
[5]
CHEN PPS, 1979, TUTORIAL CENTRALIZED, P158
[6]
Codd E. F., 1979, ACM Transactions on Database Systems, V4, P397, DOI 10.1145/320107.320109
[7]
CODD EF, 1980, P 1980 WORKSH DAT AB, P112
[8]
Date C.J., 1975, INTRO DATABASE SYSTE
[9]
ELMASRI RA, 1980, STANCS80801 STANF U
[10]
GROSKY WI, UNPUB ICONIC INDEXIN