说明: 集体智慧编程随书代码 ├─chapter2 │ deliciousrec.py │ pydelicious.py │ recommendations.py │ ├─chapter3 │ blogdata.txt │ clusters.py │ downloadzebodata.py │ feedlist.txt │ generatefeedvector.py │ Thumbs.db │ zebo.txt │ ├─chapter4 │ nn.py │ searchengine.py │ ├─ch
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