Deep Learning Methods for Emotion Detection from Text – Dr. Liron Allerhand

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Sentiment analysis is an active research field where researchers aim to automatically determine the polarity of text [1], either as a binary problem or as a multi-class problem where multiple levels of positiveness and negativeness are reported.

Recently, there is an increasing interest in going beyond sentiment, and analyzing emotions such as happiness, fear, anger, surprise, sadness and others. Emotion detection has many use cases for both enterprises and consumers. The best-known examples are customer service performance monitoring [2], and social media analysis [3].
In this talk, we present a new algorithm based on deep learning, which not only outperforms state-of-the-art method [4] in emotion detection from text, but also automatically decides on length of emotionally-intensive text blocks in a document.
Our talk presents the problem by examples, with business motivations related to the Microsoft Cognitive Services suite. We present a technique to capture both semantic and syntactic relationships in sentences using word embeddings and Long Short-Term Memory (LSTM) based modeling. Our algorithm exploits lexical information of emotions to enrich the data representation. We present empirical results based on ISAER and SemEval-2007 datasets [5,6]. We then motivate the problem of detecting emotionally-intensive text blocks of various sizes, along with an entropy-based technique to solve it by determining the granularity on which the emotions model is applied.

We conclude with a live demonstration of the algorithm on diverse types of data: interviews, customer service, and social media.

Comments

Sano Kei says:

Man what a tough crowd, the jokes are not hitting at all

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Rami Bishara says:

Nice! where can I find more information about it? are you using BERT in addition to LSTM embedding?

wordgeezer says:

Deep learning? Then it might be good practice to work in at least 4 dimensions and work in areas where profit i$ irrelevant.

subika sabir says:

tagged dataset available for emotion detection in 25$

M Ka says:

🐘🐢😃

Shaily Baheti says:

A very helpful video! Emotion Detection is always a bonus on Sentiment Analysis as it can precisely distinguish the emotion from any textual information. To know about how to detect emotion in excel without writing code, you can read this blog:
https://blog.paralleldots.com/product/textual-emotion-detection-in-excel/

Georges_ says:

I'll be doing my fourth year research project this year in this area, could you share a link to the datasets you used. Thanks

Alimuddin Melleng says:

Nice presentation. It's interesting to detect emotion in text. Is there any link for the source code?

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