Research Article
A New Knowledge Characteristics Weighting Method Based on Rough Set and Knowledge Granulation
Algorithm 1
Method to determine characteristics weight.
Input: The knowledge base ; | Output: the weight of the characteristic, ; | (1) compute the equivalence class | (2) for to do | (3) compute the equivalence class | (4) end for | (5) for to do | (6) compute the equivalence class | (7) for to do | (8) compute the upper approximation on the set , | (9) compute the lower approximation on the set , | (10) end for | (11) compute the discernibility of the knowledge characteristics | (12) end for | (13) for to do | (14) compute the discernibility of the knowledge characteristics | (15) end for |
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