亚马逊计划建立全球产品图谱，索引所有在线购物数据
亚马逊计划建立一个所有在线销售产品的数据库，以留住用户在亚马逊购物。
amazon has plans to build a comprehensive database of all products sold online, including those sold on other platforms. the project, called the world product graph, will make this information available through amazon's site. this move is likely intended to reduce the number of shoppers who leave amazon to search for products elsewhere. by indexing all online shopping data, amazon may be able to improve its product recommendations and search results. this could help amazon maintain its position as a leading online shopping platform.