摘要: 词频处理 tf/idf. 协同过滤 1.Co-occurence matrix. Normalize co-occurrence Similarity matrix. 1.1 Jaccard similarity: normalizes by popularity Who purchased i a 阅读全文
posted @ 2018-05-13 10:39 卷积 阅读(142) 评论(0) 推荐(0) 编辑