Too Long; Didn't Read
One of the use-cases wherein, beam search is applied to get relevant results is <strong>Machine Translation</strong>. For those who are not familiar with machine translation, you surely must be knowing what <a href="https://translate.google.co.in/" target="_blank"><strong>Google Translate</strong></a> is, right ? That’s what I am talking about. System like those use Beam Search technique to figure out most relevant translation from set of possible candidates. Read this <a href="https://en.wikipedia.org/wiki/Machine_translation" target="_blank"><strong>Wiki</strong></a> to know literature definition of the same.