[目的/意义]通过对京东商城电子图书特征的数据分析，发现和识别不同类型畅销电子图书在定价、编辑、出版、销售与用户体验等方面的共性特征与差异性。[方法/过程]借助网络爬虫，采集京东商城7个类别销量居前60位的电子书的售价、纸版定价、纸版售价、文件格式与大小、评论数量与评论文本等信息，通过文本挖掘、描述性统计等方法，考察畅销电子书的定价策略、销售数量、文本格式与用户体验。[结果/结论]畅销电子书定价普遍较低，不同类别、特征图书定价略有区别，专业类图书定价高于大众类图书；电子书与纸质书的受众群体存在差异，电子书的销量与其纸版的销量并非成正比关系；EPUB流式文件和PDF版式文件占主导地位，两种格式的用户接受度无明显差异；畅销电子书的用户体验主要集中在"满意度""价格"与"便捷"3个方面。
[Purpose/significance] Pricing, edition, publishing, selling and customer experiences of best selling ebooks in JD.com were analyzed for the aim to discover and identify general characteristics and differences of best sellers in ebooks.[Method/process] The Web crawler was employed to collect information of firt 60 best selling ebooks in 7 different categories. The information involved include price of ebooks, price of paperbook, cost of paper book, file format and size, number and text of comments. Some methods, such as descriptive statistics and text mining, were used to study pricing strategies, sales quantity,text format and user experience of best selling ebooks.[Result/conclusion] Many ebooks are sold in lower price than paperbooks, but there are a little difference between different categories, which the professional ebooks' price are higher than popular ebooks. There are some differences between ebooks and paperbooks on audiences, the positive relationship is not significant between ebooks and paperbooks. The EPUB and PDF are the main text format, they have no obvious difference in customer acceptance. The consumers' comments, which contain user experience, focus on satisfaction, price and handling.
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