Customers Who Bought Music Also Bought Beer

In Pursuit of the Perfect Pairing - Music, Recommender Systems,
and Beer Ben Fields @alsothings

@alsothings What to listen to next? 2

@alsothings 3 http://www.ﬂickr.com/photos/bookgrl/423259086/

@alsothings 4

@alsothings What to drink next? 5

@alsothings 6 http://www.ﬂickr.com/photos/avcellshots/4381124026/

@alsothings 7 http://www.ﬂickr.com/photos/afagen/3002609890/ recommending music a bit about beer early
attempts

@alsothings what is a recommender system? 8

@alsothings 9

@alsothings 10

@alsothings 11

@alsothings prediction 12

@alsothings prediction of opinions 13

@alsothings prediction of opinions about things 14

@alsothings rating item 15

@alsothings rating movie 16

@alsothings 17

@alsothings prediction of opinions about things 18

@alsothings prediction of actions on things 19

@alsothings rating movie 20

@alsothings listen song 21

@alsothings 22

@alsothings 23

@alsothings techniques 24

@alsothings collaborative ﬁltering 25

@alsothings 26 items users

@alsothings rating/ user 1 2 3 4 … N 1
2 … N 4 5 1 … 4 1 3 … 3 … 2 2 … 26 items users

@alsothings content-based 27

@alsothings tf•idf 28

@alsothings term frequency 29 inverse document frequency •

@alsothings 30 The Beatles were an English rock band formed
in Liverpool in 1960, and one of the most commercially successful and critically acclaimed acts in the history of popular music.[1] The group's best-known lineup consisted of John Lennon (rhythm guitar, vocals), Paul McCartney (bass guitar, vocals), George Harrison(lead guitar, vocals) and Ringo Starr (drums, vocals). Rooted in skiffle and 1950s rock and roll, the group later worked in many genres ranging from pop ballads to psychedelic rock, often incorporating classicaland other elements in innovative ways. Their enormous popularity first emerged as "Beatlemania"; as their songwriting grew in sophistication by the late 1960s, they came to be perceived by many fans and cultural observers as an embodiment of the ideals shared by the era's sociocultural revolutions. Oasis were an English rock band formed in Manchester in 1991. Originally known as The Rain, the group was formed by Liam Gallagher (vocals and tambourine), Paul "Bonehead" Arthurs (guitar), Paul "Guigsy" McGuigan (bass guitar) and Tony McCarroll (drums, percussion), who were soon joined by Liam's older brother Noel Gallagher (lead guitar and vocals). They have had eight UK number-one singles and eight UK number- one albums, and won fifteen NME Awards, nine Q Awards, four MTV Europe Music Awards and six Brit Awards, including one in 2007 for outstanding contribution to music and one for the best album of the last 30 years as voted by the BBC Radio 2 listeners; they have been nominated for three Grammy Awards. As of 2009, the band have sold an estimated 70 million records worldwide.[1] Also the band was listed in the Guinness Book of World Records in 2010 for …

@alsothings 31 60s 70s acoustic alternative alternative rock awesome beat
beatles best band ever blues britishbritish invasion british psychedelia british rock britpop classic classic pop classic rockclassics england english experimental favorite favorite artists favorites favourites folk funk funky genius groovyhard rock indie indie rock jazz legend legends liverpool love male vocalists merseybeat metal oldies overrated pop pop rock pop-rock progressive rock psychedelic psychedelic pop psychedelic rock rock rock and roll rock n roll rock'n'roll singer-songwriter soul the beatles the best uk The Beatles Oasis 00s 80s 90s acoustic alt rock alternative alternative rock awesome brit brit pop brit rockbrit-pop british british rock britpop britrock chillout classic rock easy listeningelectronic emo england english favorites favourites funk funky groovy grunge guitar hard rock indieindie pop indie rock japanese jazz jecks liam gallagher love madchester male vocalists manchester mellowmetal nice noel gallagher oasis pop pop rock progressive rock punk punk rock rock rock and roll rock n roll singer-songwriter soft rock soul uk wonderwall

attempts

@alsothings 33 beer! http://www.ﬂickr.com/photos/heady/5764164971/

@alsothings Yeast 34 Hops Malt Water http://www.flickr.com/photos/raymanoz/1445066684/ http://www.flickr.com/photos/enor/517787281/ http://en.wikipedia.org/wiki/File:S_cerevisiae_under_DIC_microscopy.jpg http://www.flickr.com/photos/epicbeer/2599290916/
35

@alsothings 35 Mash Boil Ferment Package http://www.flickr.com/photos/imorgan73/3624103555/ http://www.flickr.com/photos/grufnik/3412434904/ http://www.flickr.com/photos/cizauskas/2937374507/ http://www.flickr.com/photos/worldofjan/4655523132/
36

@alsothings judgement! 36 http://www.ﬂickr.com/photos/capnvynl/5585773172/ 37

@alsothings http://ratebeer.com 37

@alsothings 38

@alsothings 39

@alsothings http://ratebeer.com 40 https://github.com/ gearmonkey/consume-rBeer

attempts

@alsothings collaborative ﬁltering 42

@alsothings using https://github.com/ ocelma/python-recsys 43

@alsothings 44 some practical advice

@alsothings 45

@alsothings 46 Name ratebeer ID distance BrewDog Alice Porter 132458
0.900 BrewDog Trashy Blonde 87321 0.884 BrewDog IPA Is Dead - Citra 138896 0.879 BrewDog IPA Is Dead - Bramling X 138897 0.876 BrewDog IPA Is Dead - Nelson Sauvin 138900 0.867 By topline rating

@alsothings 47 neat, but…

@alsothings 48 Name ratebeer ID distance Belhaven Twisted Thistle IPA
83551 0.779 Nils Oscar Hop Yard IPA 110575 0.756 Fuller’s Bengal Lancer 118513 0.770 Black Isle Goldeneye Pale Ale 72810 0.766 Meantime Yakima Red 141838 0.765 No BrewDog

@alsothings 49 neat, but…

@alsothings 50 Name ratebeer ID distance Nils Oscar Hop Yard
IPA 110575 0.756 Thornbridge Jaipur 48795 0.723 De Molen Vuur & Vlam ‘Fire & Flames’ 105663 0.704 The Kernel India Pale Ale Citra 137414 0.684 Amager IPA 98251 0.678 only IPAs

IPA 110575 0.748 Thornbridge Jaipur 48795 0.714 De Molen Vuur & Vlam ‘Fire & Flames’ 105663 0.706 The Kernel India Pale Ale Citra 137414 0.683 Amager IPA 98251 0.679 By aroma rating

IPA 110575 0.776 Thornbridge Jaipur 48795 0.697 De Molen Vuur & Vlam ‘Fire & Flames’ 105663 0.694 Amager IPA 98251 0.682 The Kernel India Pale Ale Citra 137414 0.676 By appearance rating

IPA 110575 0.754 Thornbridge Jaipur 48795 0.727 De Molen Vuur & Vlam ‘Fire & Flames’ 105663 0.708 The Kernel India Pale Ale Citra 137414 0.678 Amager IPA 98251 0.671 By taste rating

IPA 110575 0.761 Thornbridge Jaipur 48795 0.723 De Molen Vuur & Vlam ‘Fire & Flames’ 105663 0.704 Amager IPA 98251 0.687 The Kernel India Pale Ale Citra 137414 0.670 By palette rating

@alsothings Conclusions! 55

@alsothings balance between relevant and non-obvious 56

@alsothings Be Useful! 57

@alsothings If you like 58

@alsothings 59

@alsothings then you’ll probably enjoy 60

@alsothings 61 or

ﬁn. http://howtobrew.com http://ratebeer.com http://bjcp.org http://www.ﬂickr.com/photos/epicbeer/25992909 http://www.dtic.upf.edu/~ocelma/PhD/ http://www.slideshare.net/plamere/music- recommendation-and-discovery

Customers Who Bought Music Also Bought Beer

Customers Who Bought Music Also Bought Beer

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