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Honeywell Kitchen Computer in 1969
Source: https://www.wired.com/2012/11/kitchen-computer/
IBM’s Chef Watson @ SXSW
“In 5 years, computers will know
what you like to eat
better than you do.”---Prof. Lav Varshney in 2012
Source: IBM 5 in 5: Taste (2012)
The key research question after
IBM’s Chef Watson has been
“Personalization of taste”
Yoshiki Ishikawa, PhD
Food for well-being：
Personalization of Taste
MasaData scientist
Project Members
MatsushimaChef
VarshneyProfessor
YoshikiPrincipal investigator
ShoData visualization designer
MinamiNutrition Scientist
Personalization of taste
How might we 1) locate where we are
in the galaxy of food and
2) navigate from where we are to new
frontier?
You are here
New frontier
Two key challenges for personalization of taste
1) Locate where we are
2) Navigate the galaxy
What’s your image of lunchbox?
Source: https://thefoodinista.wordpress.com/2010/07/19/preschool-packed-lunch-week-in-review/
Peanut butter and
jelly sandwich
Fruit
Vegetable
Bacon
Asparagus
Egg / Olive oil
Dashi
Spinach
Rice
Seaweed (Nori)
Carrot
Tuna
Input Outputf(x)
AsparagusBacon
Olive oilRice
SeaweedTuna
CarrotEgg
DashiSpinach
My son
How might we create
such “galaxy of food”?
My son
Steps for creating the galaxy of food
1) Collect recipe data around the world
2) Vectorize ingredients and country
3) Visualize the vectors in 3 dimensions
You are here
To make the story simple,
let’s transform 3D into 2D.
Japanese
IndianFrench
Southern US
Italian
Mexican
Chinese
Spanish
Input Outputf(x)
99.9 %
AsparagusBacon
Olive oilRice
SeaweedTuna
CarrotEgg
DashiSpinach
This expandable system can
also identify your food style
from small data set.
Input Outputf(x)
Your recipes in a past
week/monthYour style
Two key challenges for personalization of taste
1) Locate where we are
2) Navigate the galaxy
Japanese
IndianFrench
Southern US
Your style
Italian
Mexican
Chinese
Spanish
What if our family
moves to Austin?
Source: https://thefoodinista.wordpress.com/2010/07/19/preschool-packed-lunch-week-in-review/
Japanese
？？？
Southern US
― Japan ＋ Southern US = ???
AsparagusBacon
Olive oilRice
SeaweedTuna
CarrotEgg
DashiSpinach
Originallunchbox(Japan)
AsparagusBacon
Olive oilRice
SeaweedTuna
CarrotEgg
DashiSpinach
Step 1Replaceableingredients
Step 2Alternativeingredients
Flounder fillet
Cornmeal
Chopped pecans
Japanese
Italian
Southern US
Southern US: 58%
Italian: 38%
Source: https://thefoodinista.wordpress.com/2010/07/19/preschool-packed-lunch-week-in-review/
What if a family in Austin
moves to Japan?
Japanese
？？？
Southern US
― Southern US ＋ Japan = ???
Bread
Peanut butter
Jelly
Fruit
Frozen vegetable
Originallunchbox(Austin)
Bread
Peanut butter
Jelly
Fruit
Frozen vegetable
Step 1Replaceableingredients
Step 2Alternativeingredients
Soba noodles
Sea weed
Black sesame seed
Navigate the galaxy
Original Recipe ― Country A＋ Country B = ???
Can this system help change one’s dietary style
to healthy one?
Japanese(1970s)
Southern US
Your style
Mediterranean
Japanese(2010s)
What is the next big research question
regarding personalization of taste?
100,000 meals problem
“How might we create rich 100,000
meals experience based on our
unique food preference?”
Yoshiki Ishikawa, PhD
100,000 meals problem:
Fundamental law of cooking
foodgalaxy.jp
