Data Science at Home

Episode 64: Get the best shot at NLP sentiment analysis


Listen Later

The rapid diffusion of social media like Facebook and Twitter, and the massive use of different types of forums like Reddit, Quora, etc., is producing an impressive amount of text data every day. 

There is one specific activity that many business owners have been contemplating over the last five years, that is identifying the social sentiment of their brand, by analysing the conversations of their users.

In this episode I explain how one can get the best shot at classifying sentences with deep learning and word embedding.

 

 

Additional material

Schematic representation of how to learn a word embedding matrix E by training a neural network that, given the previous M words, predicts the next word in a sentence. 

 

 

 

Word2Vec example source code

https://gist.github.com/rlangone/ded90673f65e932fd14ae53a26e89eee#file-word2vec_example-py

 

 

References

[1] Mikolov, T. et al., "Distributed Representations of Words and Phrases and their Compositionality", Advances in Neural Information Processing Systems 26, pages 3111-3119, 2013.

[2] The Best Embedding Method for Sentiment Classification, https://medium.com/@bramblexu/blog-md-34c5d082a8c5

[3] The state of sentiment analysis: word, sub-word and character embedding 

https://amethix.com/state-of-sentiment-analysis-embedding/

 

...more
View all episodesView all episodes
Download on the App Store

Data Science at HomeBy Francesco Gadaleta

  • 4.2
  • 4.2
  • 4.2
  • 4.2
  • 4.2

4.2

72 ratings


More shows like Data Science at Home

View all
On Point with Meghna Chakrabarti by WBUR

On Point with Meghna Chakrabarti

4,022 Listeners

Making Sense with Sam Harris by Sam Harris

Making Sense with Sam Harris

26,380 Listeners

Nature Podcast by Springer Nature Limited

Nature Podcast

756 Listeners

Software Engineering Daily by Software Engineering Daily

Software Engineering Daily

626 Listeners

Science Vs by Spotify Studios

Science Vs

12,130 Listeners

Science Friday by Science Friday and WNYC Studios

Science Friday

6,467 Listeners

Super Data Science: ML & AI Podcast with Jon Krohn by Jon Krohn

Super Data Science: ML & AI Podcast with Jon Krohn

306 Listeners

The Daily by The New York Times

The Daily

113,121 Listeners

Up First from NPR by NPR

Up First from NPR

56,944 Listeners

The Atlantic Interview by The Atlantic

The Atlantic Interview

14 Listeners

Modern Wisdom by Chris Williamson

Modern Wisdom

4,025 Listeners

The Peter Attia Drive by Peter Attia, MD

The Peter Attia Drive

8,043 Listeners

Practical AI by Practical AI LLC

Practical AI

212 Listeners

Consider This from NPR by NPR

Consider This from NPR

6,462 Listeners

The Ezra Klein Show by New York Times Opinion

The Ezra Klein Show

16,525 Listeners