Chang Xiao – Medium

Chang Xiao

Zwift Race Recommendation using simple machine learning

Zwift racing is one of the coolest aspects of the virtual cycling platform. It has been growing both from a grassroots level as well as…

6 min readOct 31, 2022

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Zwift Race Recommendation using simple machine learning

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Chang Xiao
in
Siggy Recommender

How many types of product recommendations do you need? (Shein vs. Amazon approach)

Product recommendations aka “You recently viewed”, “Related items”, and “What others bought” have become common occurrences nowadays. There…

3 min readJul 18, 2022

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How many types of product recommendations do you need? (Shein vs. Amazon approach)

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Chang Xiao
in
Siggy Recommender

How can a product recommendation system help your e-commerce store?

(Why) Do you need a product recommendation system?

4 min readJul 11, 2022

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How can a product recommendation system help your e-commerce store?

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Chang Xiao
in
Siggy Recommender

Customize Siggy Recommendation Widget placement

Siggy tries to place its product recommendations below the main product area by default.

2 min readJun 20, 2022

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Customize Siggy Recommendation Widget placement

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Chang Xiao
in
Siggy Recommender

Siggy.ai + Infinite Recommendation = The Future

It’s rare that we are excited about a single feature. However, we firmly believe this feature is a game-changer for Siggy.ai and content…

2 min readMay 13, 2022

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Siggy.ai + Infinite Recommendation = The Future

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Chang Xiao

5 Simple tips for data modeling with Cassandra/Datastax Astra

It is easy to apply relational database data modeling concepts to Cassandra. However, you may quickly find it to be counter-productive for…

2 min readMar 16, 2022

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5 Simple tips for data modeling with Cassandra/Datastax Astra

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Chang Xiao
in
Siggy Recommender

Out-of-stock product recommendations: explained

One of the most requested features for Siggy is the ability to display recommendations for out-of-stock products. Although Siggy supports…

2 min readMar 9, 2022

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Out-of-stock product recommendations: explained

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Chang Xiao
in
Siggy Recommender

Recommending on sale products in Siggy

It is common for Shop owners to put items on sale after the holiday season to clear out inventory. Siggy can help this by prioritizing…

2 min readMar 9, 2022

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Recommending on sale products in Siggy

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Chang Xiao
in
Siggy Recommender

Product recommendation with implicit ratings and anonymous users.

The classic collaborative filtering algorithm is useful when you have a group of specific users that explicitly provide ratings to many…

7 min readDec 22, 2021

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Product recommendation with implicit ratings and anonymous users.

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1

Chang Xiao
in
Siggy Recommender

Display product price in Siggy product recommendation widget

You can now perform additional customization to the recommendation widget with the price display toggle.

2 min readDec 9, 2021

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Display product price in Siggy product recommendation widget

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Chang Xiao

Chang Xiao

Starter, dev, digital consultant, cyclist, tennis player. Currently focused on data science and specifically recommendation systems.

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