Tag: feature-pivot

Feature-pivot methods: did something happen?

Cheer! When something happens, people talk differently. We can use that cue to notice that something happened.

In my previous post, I took a look at document-pivot methods in Topic Detection and Tracking. Document-pivot approaches use clustering to find out what people are talking about, but that’s not the only solution. In this post, I take a look at feature-pivot methods, the second type of Topic Detection and Tracking methods. Instead of looking at what people are talking about, these approaches look at how people are talking to detect that something happened.

(more…)