Finding Similar Music Artists for Recommendation Presented by :Abhay Goel, Prerak Trivedi.
Finding new friends: A different kind of recommendation system
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Finding new friends A different kind of recommendation system
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Transcript of Finding new friends: A different kind of recommendation system
Finding new friendsA different kind of recommendation system
https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Airbnb_Logo_B%C3%A9lo.svg/2000px-Airbnb_Logo_B%C3%A9lo.svg.pnghttp://images.reserve123.com/images/Seattle-City-Mt-Rainier.jpg
What are Seattle hosts like?
Sounds like topic modeling.
Non-negative Matrix Factorization
V = W x HNon-negative Matrix Factorization
V = W x H
V = W x HWord-document
matrix
V = W x HWord-document
matrixWord-feature
matrix
V = W x HWord-document
matrixFeature-document
matrixWord-feature
matrix
≅
Word-documentmatrix
Feature-documentmatrix
Word-featurematrix
x
Latent Dirichlet Allocation
Latent Dirichlet Allocation
corpus
Latent Dirichlet Allocation
corpusw
d
document
Latent Dirichlet Allocation
corpusw
d
document
Latent Dirichlet Allocation
corpusw
d d
document
Latent Dirichlet Allocation
corpus
word
w
d d
document
Latent Dirichlet Allocation
w
corpus
word
w
d d
document
Latent Dirichlet Allocation
w
corpus
word
w
d d w
Deterministic
NMF
Stochastic
LDA
What is
NMF
What might be
LDA
The specifics.
2,000 documents, lemmatized
2,000 documents, lemmatizedUnigrams
2,000 documents, lemmatizedUnigrams
Bigrams
2,000 documents, lemmatizedUnigrams
BigramsAt least 3 documents
2,000 documents, lemmatizedUnigrams
Bigrams + At least 3 documents
2,000 documents, lemmatizedUnigrams
Bigrams + At least 3 documents
4,300 unique tokens
12 topics*
12 topics*
*Some assembly required
foodmusic
artdancewineyoga
NMF LDA
artsy
NMF LDA
yogaartist
practicecup
respectfulearth
mother
NMF LDA
hippies
NMF LDA
anywherefoundlocate
barrestaurant
bustle
NMF LDA
?
NMF LDA
Outdoorsy
NMF LDA
Outdoorsy
hikebikeart
playmusic
skicamp
NMF LDA
hikeoutdoors
skibikesportcamprun
hikebikeart
playmusic
skicamp
NMF LDA
hikeoutdoors
skibikesportcamprun
NMF
LDA
NMF
LDA
hike
hike
NMF
LDA
outdoors
art
Professional
NMF LDA
Professional
young professionalnorthwestbusiness
trailbeauty
Puget Sound
NMF LDA
young professionalbusinessmeetingcompanyworking
technology
young professionalnorthwestbusiness
trailbeauty
Puget Sound
NMF LDA
young professionalbusinessmeetingcompanyworking
technology
NMF
LDA
NMF
LDA
young
young
professional
professional
NMF
LDA
business
northwest
Let’s find a host.
