☛ Differentiate regular grammar and regular expression.

☛ How will you estimate the entropy of the English language?

☛ Describe dependency parsing?

☛ What do you mean by Information rate?

☛ Explain Discrete Memoryless Channel (DMC).

☛ How does correlation work in text mining?

☛ How to calculate TF*IDF for a single new document to be classified?

☛ How to build ontologies?

☛ What is an N-gram in the context of text mining?

☛ What do you know about linguistic resources such as WordNet?

☛ Explain the tools you have used for training NLP models?