Datasets数据集datan.数据；资料名词datum的复数形式.data circuit transparency数据电路透明度data-independent access数据独立存取data abstraction language数据抽象语言data base access language数据库存取语言data forwarding character数据发送字符data structure clustering结构聚类data communication centre数据通讯层data process work request数据处理工作请求data generation interrupt数据生成中断data dictionary assembler数据字典汇编程序

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。