2. The method of claim 1 , further comprising: storing each time line series associatively with each corresponding topically related segment in the data storage.
2. The method of claim 1 , further comprising: storing each time line series associatively with each corresponding topically related segment in the data storage. 3. The method of claim 2 , further comprising: receiving query data specifying at least one of a topic and a speaker; and retrieving at least one of a topic cluster and a speaker cluster from the data storage based on the received query data.