1 Subjects: “...mine operation...”

2 Subjects: “...tree mining...”

3 Subjects: “...text mining...”

4 Subjects: “...text mining...”

5 Subjects: “...text mining...”

6 Subjects: “...text mining...”

7 Subjects: “...mine reclamation...”

8 Subjects: “...text mining...”

9 Subjects: “...mind-mining...”

10 Subjects: “...mind-mining...”