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NAVIGATION

RECOMMENDATION INSIGHTS

Clans has supercharged recommendation accuracy. More coming at
RevolutionAlgorithms.Com
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* Current System Paradigms
* News
* About Recommendation Insights
* Clans

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FEATURED

AMAZON’S RECOMMENDATIONS ARE AMAZINGLY LAME! AND HERE’S WHY.

By Lewis Perdue on August 4, 2021 in Featured

Nothing I like better than getting a recommendation for something I just bought.
Happens all the time with Amazon Simple logic: IF bought recently, THEN omit
from recommendations If the AMZN recommender had a double-digit IQ, it would
recognize that I buy this hand lotion periodically and send me a link when it
estimates I […]

RETRONASAL PERCEPTION OF ODORS IS OFTEN OVERLOOKED AS A KEY METRIC

By Lewis Perdue on July 9, 2020 in Featured

. 2012 Nov 5;107(4):484-7. doi: 10.1016/j.physbeh.2012.03.001. Epub 2012 Mar 8.
Retronasal Perception of Odors Viola Bojanowski 1 , Thomas Hummel Affiliations
PMID: 22425641 DOI: 10.1016/j.physbeh.2012.03.001 Abstract We perceive odors
orthonasally during sniffing; in contrast, we perceive odors retronasally during
eating when they enter the nose through the pharynx. There are clear differences
between orthonasal and retronasal […]

GENETIC SCIENCE SHOWS WHY WINE REVIEWS, EXPERT SUGGESTIONS, AND TASTE PROFILES
MISS THE TARGET FOR RECOMMENDATIONS

By Lewis Perdue on June 23, 2020 in Featured

Genetic science shows that wine descriptions and flavor profiling are way off
base when it comes to helping people find wines that they will like. This is
because the odds are very, very small for two people to experience flavors in
exactly the same way. This is because every individual has a different set of
[…]

THE PROMISE (AND PITFALLS) OF CURRENT RECOMMENDATION ENGINES

By Lewis Perdue on June 14, 2018 in Featured

NOTE: You can right-click all images to view a larger version. Left-click to go
to data source. Value As arbitrary as they often seem, “35 percent of what
consumers purchase on Amazon come from recommendations” — McKinsey The big
disconnect While people value good recommendations, most (7%) rarely click on
one from a site because […]

HOW SENSORY TASTE PROFILING STOPS SHORT OF INDIVIDUAL RECOMMENDATION ACCURACY

By Lewis Perdue on August 19, 2015 in Current System Paradigms, Featured

I continually shop for new wines like an average consumer. I do this to get put
of the “wine bubble” that keeps reality at an arm’s length for so many wine
geeks, fans, enthusiasts, spectators, aficionados, and members of the trade. How
by-the-glass doesn’t work and can trash a winery’s reputation When Rogue Wine
Calibration […]

BEYOND GENETICS: HOW SALIVA AFFECTS YOUR UNIQUE WAY OF EXPERIENCING WINE

By Lewis Perdue on June 8, 2015 in Featured, News

Recommendation Insights has previously described the many ways that genetic
variations determine any single individual’s wine taste experience: Inherited
Taste Chaos Sabotages Recommendations. Source: Food Chemistry via Palate Press
Now comes this very well-written article that expands that concept: Spit and
image: How saliva customizes your wine tasting experience: “Not seeing eye to
eye on […]

NEW RESEARCH SHOWS WHY WINE DESCRIPTIONS DON’T HELP CONSUMERS SELECT WINE

By Lewis Perdue on May 29, 2015 in Current System Paradigms, Featured

New research recently published in the journal Neurocomputing shows one more
reason why consumers get little help in choosing wines from the descriptions in
wine reviews: the same words mean different things to different people. This
fits in with — MISINTERPRETATION: Words = Big Trouble — which is one of the
issues that we have […]

TURNING WHITE WINE INTO RED: RECOMMENDATION FAILURES & THE ALCHEMY OF CONTEXT

By Lewis Perdue on January 29, 2015 in Current System Paradigms, Featured

“[N]o event or object is ever experienced in perfect, objective isolation. It is
instead subject to our past experiences, our current mood, our expectations, and
any number of incidental details—an annoying neighbor, a waiter who keeps
banging your chair, a beautiful painting in your line of sight. With something
like wine, all sorts of societal […]

WINE AND MUSIC ARE A LOT ALIKE & SO ARE THE WAYS THEIR RECOMMENDATION SYSTEMS
FAIL

By Lewis Perdue on December 21, 2014 in Current System Paradigms, Featured

Wine and music: please our senses, touch our emotions, beg to be shared, are
deeply engrained in how we define ourselves and, can determine how other people
judge us. Because of those factors, every recommendation system in use today —
including those deployed by Pandora, Spotify, Slacker and other online music
sites — fail because of: […]

HOW PREDICTIVE BIG DATA FAILS

By Lewis Perdue on November 9, 2014 in Current System Paradigms, Featured

Recommendations from big data predictive methods are a lot like the use of
epidemiology to determine the cause of a disease: Both rely on the statistical
analysis and correlation of massive amounts of data. Both are indicative that
something is happening. Both can offer insights into a phenomenon. Both are
easily derailed by unknown confounding […]

1 2 Next →

ABOUT RECOMMENDATION INSIGHTS

AMAZON’S RECOMMENDATIONS ARE AMAZINGLY LAME! AND HERE’S WHY.

Nothing I like better than getting a recommendation for something […]

THIS IS WHY PEOPLE HATE RECOMMENDATIONS AND MOST ALWAYS DON’T CLICK ON THEM (AND
YET …)

I bought this on June 21… Then they emailed me […]

WHY RATINGS AND REVIEWS FAIL (A BEGINNING OF UNDERSTANDING)

The promise (and pitfalls) of current recommendation engines (collaborative
filtering) […]

RETRONASAL PERCEPTION OF ODORS IS OFTEN OVERLOOKED AS A KEY METRIC

. 2012 Nov 5;107(4):484-7. doi: 10.1016/j.physbeh.2012.03.001. Epub 2012 Mar 8.
[…]

NEWS

AMAZON’S RECOMMENDATIONS ARE AMAZINGLY LAME! AND HERE’S WHY.

August 4, 2021

THIS IS WHY PEOPLE HATE RECOMMENDATIONS AND MOST ALWAYS DON’T CLICK ON THEM (AND
YET …)

June 29, 2021

I bought this on June 21… Then they emailed me this recommendation on June 29!
WTF? No wonder … And yet…

WHY RATINGS AND REVIEWS FAIL (A BEGINNING OF UNDERSTANDING)

February 18, 2021

The promise (and pitfalls) of current recommendation engines (collaborative
filtering) THE PROBLEM: Welcome to the Vino Casino WINE IS HARD TO LIKE Wine is
hard to like Can I learn to like wine? Wine is too hard to like How Science
Saved Me from Pretending to Love Wine PROFILING INCOMPATIBILITY: […]

RETRONASAL PERCEPTION OF ODORS IS OFTEN OVERLOOKED AS A KEY METRIC

July 9, 2020

GENETIC SCIENCE SHOWS WHY WINE REVIEWS, EXPERT SUGGESTIONS, AND TASTE PROFILES
MISS THE TARGET FOR RECOMMENDATIONS

June 23, 2020

View all

FATAL FLAWS IN CURRENT RECOMMENDATION SYSTEMS

AMAZON’S RECOMMENDATIONS ARE AMAZINGLY LAME! AND HERE’S WHY.

Nothing I like better than getting a recommendation for something I just bought.
Happens all the time with Amazon Simple logic: IF bought recently, THEN […]

THIS IS WHY PEOPLE HATE RECOMMENDATIONS AND MOST ALWAYS DON’T CLICK ON THEM (AND
YET …)

I bought this on June 21… Then they emailed me this recommendation on June 29!
WTF? No wonder … And yet…

WHY RATINGS AND REVIEWS FAIL (A BEGINNING OF UNDERSTANDING)

The promise (and pitfalls) of current recommendation engines (collaborative
filtering) THE PROBLEM: Welcome to the Vino Casino WINE IS HARD TO LIKE Wine is
hard […]

RETRONASAL PERCEPTION OF ODORS IS OFTEN OVERLOOKED AS A KEY METRIC

GENETIC SCIENCE SHOWS WHY WINE REVIEWS, EXPERT SUGGESTIONS, AND TASTE PROFILES
MISS THE TARGET FOR RECOMMENDATIONS

Genetic science shows that wine descriptions and flavor profiling are way off
base when it comes to helping people find wines that they will like. […]

SCIENTIFIC RESEARCH REVEALS WHY WINE RATINGS AND RECOMMENDATIONS FAIL SO OFTEN

Everyone has a different sense of smell. Taste is mostly determined by smell.
“Each of the individuals examined had a unique genotypic [odor receptor]
pattern.” […]

66% OF WINE DRINKERS FIND WINE DESCRIPTIONS UNHELPFUL IN CHOOSING WINE. ONLY 9%
RELY ON CRITICS

Data from the 2013 Laithwaites Wines Survey, of 1,000 wine drinkers by polling
firm, One Poll. (Laithwaites customers were excluded from the survey.) Those
taking […]

THE PROMISE (AND PITFALLS) OF CURRENT RECOMMENDATION ENGINES

NOTE: You can right-click all images to view a larger version. Left-click to go
to data source. Value As arbitrary as they often seem, “35 […]

MOUTH BACTERIA: ONE MORE REASON THAT INDIVIDUALS’ TASTE PERCEPTION DIFFERS
(ESPECIALLY FROM SIP & SPIT EXPERTS)

Study shows some wine aromatics aren’t released until they meet the bacteria in
our mouths “At least 700 bacterial species live in our saliva, on […]

HOW SENSORY TASTE PROFILING STOPS SHORT OF INDIVIDUAL RECOMMENDATION ACCURACY

I continually shop for new wines like an average consumer. I do this to get put
of the “wine bubble” that keeps reality at an […]

BEYOND GENETICS: HOW SALIVA AFFECTS YOUR UNIQUE WAY OF EXPERIENCING WINE

NEW RESEARCH SHOWS WHY WINE DESCRIPTIONS DON’T HELP CONSUMERS SELECT WINE

New research recently published in the journal Neurocomputing shows one more
reason why consumers get little help in choosing wines from the descriptions in
wine […]

TURNING WHITE WINE INTO RED: RECOMMENDATION FAILURES & THE ALCHEMY OF CONTEXT

“[N]o event or object is ever experienced in perfect, objective isolation. It is
instead subject to our past experiences, our current mood, our expectations, and
[…]

WINE AND MUSIC ARE A LOT ALIKE & SO ARE THE WAYS THEIR RECOMMENDATION SYSTEMS
FAIL

Wine and music: please our senses, touch our emotions, beg to be shared, are
deeply engrained in how we define ourselves and, can determine how […]

HOW PREDICTIVE BIG DATA FAILS

Recommendations from big data predictive methods are a lot like the use of
epidemiology to determine the cause of a disease: Both rely on the […]

RECOMMENDATION NEWS – NOV. 4, 2014

Wine Shopping in Boston Just Got a Lot Easier

RECOMMENDATION NEWS – NOV. 3, 2014

Corkz Update Extends Global Reach of the Wine Information App Pandora for beer?
Vivino, Club W Use Tech To Help Wine Lovers Find Favorites Damned […]

RECOMMENDATION NEWS – OCT. 30, 2014

Wine Lovers Should Open Their Palates To Technology To Find Favorites Corkz
Update Extends Global Reach of the Wine Information App

INCOMPATIBILITY: PROFILE MATCHING

A PERSONAL NOTE: My apologies in advance to a number of good friends and
colleagues who are still trying to get wine profile systems to […]

WELCOME TO THE VINO CASINO

The Casino. (The House Always Wins) Buying wine is a lot like walking into a
casino. You know the odds favor the house, but the […]

GENETICS: HOW INHERITED TASTE SABOTAGES RECOMMENDATIONS

See also this update: Genetic science shows why wine reviews and taste profiles
miss the target for recommendations Some people hate the taste of raw […]

SCALING: MOST WINES HAVE NEVER BEEN RATED BY CRITICS

UPDATE, August 18, 2020: New data from a highy respected source: 116,000+ new
wine products approved by TTB in past 12 months: bw166. Consumers […]

MISINTERPRETATION: WORDS = BIG TROUBLE

Words can mean different thing to different people. What does “complex” mean? Or
“balanced?” “Big?” “Olive-tinged black currant?” “I don’t know what you mean by
[…]

INCONSISTENCY: RATING THE RATING SYSTEMS

How you ask a question can determine the answer you get. The concept lies at the
heart of journalists, scientists, those who interview job candidates, […]

PSYCHOLOGY: ANXIETY, STRESS AND SOCIAL PRESSURE SABOTAGE CHOICE

This is the next-to-last article in a series about the difficulties faced by
retail wine buyers and the problems with the existing systems created to […]

LEWIS PERDUE, RECOMMENDATION INSIGHTS FOUNDER

Lewis Perdue’s experience as a tech entrepreneur, wine importer, book and
magazine publisher, Internet payments CEO, premium digital publications founder,
author and consumer ingrained in […]

CLANS (NEÉ TRIBES): THE SOLUTION

AMAZON’S RECOMMENDATIONS ARE AMAZINGLY LAME! AND HERE’S WHY.

Nothing I like better than getting a recommendation for something I just bought.
Happens all the time with Amazon Simple logic: IF bought recently, THEN omit
from recommendations If the […]

THIS IS WHY PEOPLE HATE RECOMMENDATIONS AND MOST ALWAYS DON’T CLICK ON THEM (AND
YET …)

I bought this on June 21… Then they emailed me this recommendation on June 29!
WTF? No wonder … And yet…

WHY RATINGS AND REVIEWS FAIL (A BEGINNING OF UNDERSTANDING)

The promise (and pitfalls) of current recommendation engines (collaborative
filtering) THE PROBLEM: Welcome to the Vino Casino WINE IS HARD TO LIKE Wine is
hard to like Can I learn […]

RETRONASAL PERCEPTION OF ODORS IS OFTEN OVERLOOKED AS A KEY METRIC

GENETIC SCIENCE SHOWS WHY WINE REVIEWS, EXPERT SUGGESTIONS, AND TASTE PROFILES
MISS THE TARGET FOR RECOMMENDATIONS

Genetic science shows that wine descriptions and flavor profiling are way off
base when it comes to helping people find wines that they will like. This is
because the odds […]

SCIENTIFIC RESEARCH REVEALS WHY WINE RATINGS AND RECOMMENDATIONS FAIL SO OFTEN

Everyone has a different sense of smell. Taste is mostly determined by smell.
“Each of the individuals examined had a unique genotypic [odor receptor]
pattern.” –Menashe et. al, Nature Genetics […]

66% OF WINE DRINKERS FIND WINE DESCRIPTIONS UNHELPFUL IN CHOOSING WINE. ONLY 9%
RELY ON CRITICS

Data from the 2013 Laithwaites Wines Survey, of 1,000 wine drinkers by polling
firm, One Poll. (Laithwaites customers were excluded from the survey.) Those
taking part said they were relatively […]

THE PROMISE (AND PITFALLS) OF CURRENT RECOMMENDATION ENGINES

NOTE: You can right-click all images to view a larger version. Left-click to go
to data source. Value As arbitrary as they often seem, “35 percent of what
consumers purchase […]

MOUTH BACTERIA: ONE MORE REASON THAT INDIVIDUALS’ TASTE PERCEPTION DIFFERS
(ESPECIALLY FROM SIP & SPIT EXPERTS)

Study shows some wine aromatics aren’t released until they meet the bacteria in
our mouths “At least 700 bacterial species live in our saliva, on our teeth and
on all […]

HOW SENSORY TASTE PROFILING STOPS SHORT OF INDIVIDUAL RECOMMENDATION ACCURACY

I continually shop for new wines like an average consumer. I do this to get put
of the “wine bubble” that keeps reality at an arm’s length for so many […]

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