共 50 条
- [2] INCOMPLETE INFORMATION IN RELATIONAL DATABASES [J]. JOURNAL OF THE ACM, 1984, 31 (04) : 761 - 791
- [5] The information entropy of rough relational databases [J]. ROUGH SETS, FUZZY SETS, DATA MINING, AND GRANULAR COMPUTING, 2003, 2639 : 320 - 324
- [7] INDEFINITE AND MAYBE INFORMATION IN RELATIONAL DATABASES [J]. ACM TRANSACTIONS ON DATABASE SYSTEMS, 1990, 15 (01): : 1 - 39