A network of books about US politics published around the time of the 2004 presidential election and sold by the online bookseller Amazon.com

Books about US politics Compiled by Valdis Krebs Nodes represent books about US politics sold by the online bookseller Amazon.com. Edges represent frequent co-purchasing of books by the same buyers, as indicated by the "customers who bought this book also bought these other books" feature on Amazon. Nodes have been given values "l", "n", or "c" to indicate whether they are "liberal", "neutral", or "conservative". These alignments were assigned separately by Mark Newman based on a reading of the descriptions and reviews of the books posted on Amazon. These data should be cited as V. Krebs, unpublished, http://www.orgnet.com/.

美国政治主题书籍数据集，由瓦尔迪斯·克雷布斯（Valdis Krebs）整理。图中节点（nodes）代表在线图书零售商亚马逊（Amazon.com）所售卖的美国政治类书籍；边（edges）代表同一买家的高频联合购书行为，该关联由亚马逊网站的“购买此商品的顾客也同时购买”功能所标注。节点被赋予“l”“n”或“c”三个属性值，分别表示其政治倾向为“自由主义（liberal）”“中立（neutral）”或“保守主义（conservative）”。上述政治倾向标签由马克·纽曼（Mark Newman）独立判定，其依据为亚马逊平台上发布的书籍详情描述与用户评论。引用该数据集时，请标注为：V. Krebs, unpublished, http://www.orgnet.com/