[第 13 讲：用图来表达更为复杂的数据关系](%E7%AC%AC13%E8%AE%B2%EF%BC%9A%E7%94%A8%E5%9B%BE%E6%9D%A5%E8%A1%A8%E8%BE%BE%E6%9B%B4%E4%B8%BA%E5%A4%8D%E6%9D%82%E7%9A%84%E6%95%B0%E6%8D%AE%E5%85%B3%E7%B3%BB.md) [第 14 讲：有向无环图在 Spark 中的应用](%E7%AC%AC14%E8%AE%B2%EF%BC%9A%E6%9C%89%E5%90%91%E6%97%A0%E7%8E%AF%E5%9B%BE%E5%9C%A8Spark%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8.md) [第 15 讲：图的实现方式与核心算法](%E7%AC%AC15%E8%AE%B2%EF%BC%9A%E5%9B%BE%E7%9A%84%E5%AE%9E%E7%8E%B0%E6%96%B9%E5%BC%8F%E4%B8%8E%E6%A0%B8%E5%BF%83%E7%AE%97%E6%B3%95.md) [第 16 讲：图在 Uber 拼车业务中的应用](%E7%AC%AC16%E8%AE%B2%EF%BC%9A%E5%9B%BE%E5%9C%A8Uber%E6%8B%BC%E8%BD%A6%E4%B8%9A%E5%8A%A1%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8.md)