1.drill down, slice, and  dice operations  are used to aggregate  fact

values
2. a  text mining  clustering utility groups  collections of documents

based on  predefined  categories
3.warehouse  agents  build  the target database tables
4.process steps are used to perform extract ,transfer,transform, and

refresh of target warehouse  data
5.classification  and clustering are data  mining algorithms

1. no. the contrary

2. no

3.??, guess no
4. guess yes
5. yes, but they can be machine-learning as well.

just my two cents. No head, so no tail