SlideShare a Scribd company logo
People Love Us on Yelp
Creating a new Yelp award with NLP
Alison Glazer 11/21/19
Intro
YELP
● Virtually all of US
● Voice of the people
● No official award system
● Losing traction to Instagram influencers
MICHELIN GUIDE
● Only in 4 US regions
● Recognition impacts restaurant
revenue
Approach
DATA:
● 2019 California Michelin Guide
● Yelp info + reviews for upscale restaurants in
California
○ Exclude filtered (fake) reviews
TOOLS:
?
Methods & Models
LSA Topic
Modeling
Tokenize &
Stem
Stop
Words
Bigrams &
Trigrams
TF-IDF
Yelp Profile
Data
XGBoost
Classification
Michelin
Guide Data
Pick Award
Threshold
Yelp
Reviews
Results
9%
pthresh
= 0.14 < 10 %
of restaurants
Important Non-Text Features:
POSITIVE:
Rating ✓
Valet Parking ✓
Beer & Wine ✓
NEGATIVE:
Good for Kids ✗
Strict Dress Code
✗
Noisy ✗
Positive Topics
Dining Experience Good Service Good Food
Wine Pairing
Highly
Recommend
Foie Gras
Tasting Menu Seat Right Away Black Truffle
Amuse Bouche Service Attentive Fresh Fish
Negative Topics
Groups / Noise Nothing Special Slow Service
Dance Floor Mediocre Long Wait
Late Night Nothing Special Order Drink
Large Group Wasn’t Good Lounge Area
Case Study: Bullion - Dallas, TX
Case Study: Bullion - Dallas, TX
score =0.27 ☻
Case Study: Bullion - Dallas, TX
2019 Award
Winner - Gold
Case Study: Bullion - Dallas, TX
2019 Yelp
Choice Award
Gold
Case Study: Bullion - Dallas, TX
2019 Yelp
Choice Award
Gold
Case Study: Bullion - Dallas, TX
2019 Yelp
Choice Award
Gold
Questions?
Appendix
Future Work
● Generalize model to more regions
● Build interactive tool for testing
● Establish general case for model in
other applications
Precision, Recall Curve
Model Comparison - ROC Curve
Restaurant Category
Distribution
Michelin Criteria
● Quality of ingredients
● Flavor and cooking techniques
● Chef personality within the cuisine
● Value for money
● Consistency between visits
● Separate ranking for comfort (1-5)

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