[爬蟲](https://hackmd.io/ngOATfAKSROwPFvuU2p66A)

[Hadoop](https://hackmd.io/sx-BUS8EQA2RpXjhq9zdDA)

### 視覺化分析

[Tableau](https://hackmd.io/KUtFYUKXT76v27DPTAgbdA)

[PowerBI](https://hackmd.io/Q_tFtLDwRgeoa2iXfjBV2w?both)

[Splunk](https://hackmd.io/3pb5uCUySwmUPv3TfBKW8Q)

### 資料庫

[ELT](https://hackmd.io/lQLgvzsFTUagsvR69bU1aQ)

[MongoDB](https://hackmd.io/if122vQFT06DGy6vczll0Q)