data mining
Sentiment analysis is a sub-discipline of text mining.
Text mining involves exploring and analysing textual (natural-language) data to discover new knowledge.
Many text mining applications give users open-ended freedom to explore text for meaning.
Text-mining techniques can be applied to digital library collections to discover unanticipated patterns.

SMART Vocabulary: related words and phrases

Searching
beachcomb
beachcomber
beachcombing
body search
bounty hunter
comb
hunt someone/something down
hunter
hunting ground
keep your/an eye out for someone/somethingidiom
leave no stone unturnedidiom
lookout
needle
scout
scratch around for something
scrounge around
search
seek someone/something out
seeker
troll

You can also find related words, phrases, and synonyms in the topics:

Computer programming & software