What You Should Know About Neural IR Search

Our season two premiere of Lucid Thoughts looked at the difference between NLP and NLU, then episode two we took a dive into the Learning to Rank algorithm. This week, we’re tackling the concept of neural information retrieval search, or neural IR search for short. Just press play:

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Neural IR search uses machine learning techniques and deep learning  algorithms to help search systems discern  the context and intent of a search query.  Simple keyword search still has its time and place. But, this advanced approach using deep neural networks is the path forward for greater precision for searching large scale data sets like research papers and legal documents.

Video host against blue background with text 'Neural Information Retrieval Search'

Some basic neural IR methods uses signal data and other user behavior to determine which part of a phrase or sentence is the most important in a collection of raw text documents. Finding synonyms is also an essential way the machine can learn to associate particular words together when they are used in a common fashion.

Example of a Word2Vec vector graph.

Techniques like the Word2Vec ranking model turns sentences and phrases into vectors, or lines on a graph, using trigonometry to determine the distance between specific words and phrases. The closer two phrases are in context, the more likely they point to what the user is searching for.

You can binge-watch all of season two or jump on back to watch season one.

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