Some questions need considering

There days, I am always thinking over some problems in our new paper. There are really some tough questions about that. I must figure out some solutions soon. These questions are as the following.

1. The reason that we use curve segmentation;
2. Do we use curve segmentation algorithm in a correct way!?
3. The relationship of our approach to achieve topic segments especially the topic development patterns from the construction of hierarchical structure of weblog.
4. A reasonable method to decide the boundaries among segments.
5. How to select the suitable thresholds for the experiment and why.
6. In the experiment, a good dataset should be used which is able to cover most possible cases in our approach.