topic modeling – Machine Learning Interviews

You want to find food related topics in twitter – how do you go about it ?

Posted on February 21, 2019May 13, 2019 by MLInterview

One can use any of the topic models above to get topics. However, to direct the topics to contain food related information, specialized topic modeling algorithms are available. However, one simple way to direct the topics to food related things is : Filter tweets by a limited set of food related keywords (food, meal, dinner,…

You are given some documents and asked to find prevalent topics in the documents – how do you go about it ?

Posted on February 14, 2019February 14, 2019 by MLNerds

This is typically called topic modeling. Topic modeling is a type of statistical modeling for discovering the abstract “topics” that occur in a collection of documents. For instance, two statements – about meals and about food can probably characterized by the same topic though they do not necessarily use the same vocabulary. Topic models typically…