Análisis de Opiniones en Monumentos Culturalesr-es.org/9jornadasR/pdf/9JUR_paper_18.pdf ·...

Análisis de Opiniones en

Monumentos Culturales

Ana Valdivia Granada, 16 de Noviembre del 2017

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Análisis de Opiniones en Monumentos Culturales

Ana Valdivia

Mathematician (UPC)

PhD in Natural Language Processing

and Sentiment Analysis (UGR)

#DataScience4SocialGood

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?


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?


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NLP

Sentiment Analysis

Automatic

summarization

Discourse

analysis

Machine

translation

Name entity

recognition (NER)

Part-of-speech

tagging (POS)

Parsing

Topic segmentation

…



Sentiment Analysis It is the field of knowledge that analyses people`s opinions, reviews or thoughts about products, companies or experiences identifying its sentiment.

Jan 2004 “Sentiment Analysis” in Google June 2017


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Sentiment Analysis It is the field of knowledge that analyses people`s opinions, reviews or thoughts about products, companies or experiences identifying its sentiment.

SA has experienced an important growth due to the development of Web 2.0.

SA can be divided in different tasks:

1. Sentiment Classification

2. Subjectivity Classification

3. Opinion Summarization

4. Sarcasm and Irony

5. …


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Sentiment Analysis Methods

(SAMs)


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(SAMs) 1. Bag of Words

Bing, Afinn,

Syuzhet

library(syuzhet)


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2. Machine Learning

Bing, Afinn,

Syuzhet

Microsoft Azure


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2. Machine Learning

3. Deep Learning

Bing, Afinn,

Syuzhet

Microsoft Azure

CoreNLP


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CoreNLP


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/anavaldi/TFM


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/anavaldi/TFM

9,188 reviews (2003-2016)


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Brief #dataviz

of

Alhambra’s dataset


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Some nice plots :)


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Some nice wordclouds :)


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CoreNLP in


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getToken()

Example:


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getDependency()


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getSentiment()



Brief #dataviz

of

Alhambra’s dataset

with

CoreNLP


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Some nice plots :)


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Oooppps…..


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Conclusions

1. Sentiment Analysis can be a good tool to help digitize cultural monuments.

2. We can replace the survey methodology with Sentiment Analysis.

3. We may lose information using the User Rating of TripAdvisor.


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[email protected] @ana_valdi #9JRes


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Análisis de Opiniones en Monumentos Culturalesr-es.org/9jornadasR/pdf/9JUR_paper_18.pdf ·...

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