Jun Xie – Medium

Jun Xie

Semantic Search ETL

ETL for semantic search (extract, transform and load) aims to retrieve data from different systems, transform the raw data (e.g., text…

2 min readOct 6, 2022

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Semantic Search ETL

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Jun Xie

Top Pre-trained Models for Sentence Embedding

This article walks through top pre-trained models to get sentence embedding, which is a lower-dimensional numerical representation of the…

2 min readOct 3, 2022

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Jun Xie

Web-Scale Recommendation Systems

This article walks through a tutorial on web-scale recommendation systems, which are normally built in the largest Internet companies…

3 min readOct 3, 2022

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Web-Scale Recommendation Systems

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Jun Xie

Semantic search on billion-level documents

Sharding is needed to enable semantic search on billion-level documents. If the semantic search traffic is high, we also need to do the…

2 min readSep 13, 2022

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Semantic search on billion-level documents

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Jun Xie

Top 5 Pre-trained Model for Image Embedding

Pre-trained models help boost the popularity of semantic search. We can easily get embedding (aka. vector) of different media (i.e. text…

2 min readSep 1, 2022

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Top 5 Pre-trained Model for Image Embedding

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Jun Xie

Semantic Search KNN

Semantic search uses K-nearest neighbor search (KNN) to return the most relevant results given a query (i.e. vector + metadata filtering)…

1 min readAug 30, 2022

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Jun Xie

Semantic Search ANN

Approximate nearest neighbor search (ANN) makes semantic search possible and blazing fast on billions of documents. ANN is also called…

3 min readAug 30, 2022

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Jun Xie

Semantic Search Applications

Semantic search powers more and more industrial applications, including recommendation, and document/image/audio/video retrieval.

2 min readAug 27, 2022

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Semantic Search Applications

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Jun Xie

Semantic Search Similarity Metrics

There are three common similarity metrics used in the semantic search to measure the similarity/distance between vectors, including squared…

2 min readAug 26, 2022

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Jun Xie

Related Product Recommendation

This article walks through a general architecture to support the related/similar product recommendation based on semantic search.

2 min readAug 25, 2022

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Related Product Recommendation

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Jun Xie

Jun Xie

Founder and ex-Snap software engineer. I am interested at Machine Learning and Database. Feel free to drop me an email: xiejuncs@gmail.com

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