Data sparse

• 数据稀疏

Data sparse的用法和样例：

例句

1. Because the data it used was not users' rating but users' browse route, the problem of data sparseness and initial rating was resolved.
   由于数据不是简单的用户评分，而是用户浏览网页的路径，这样就解决了数据稀疏问题和最初评价问题。