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article Sep 06, 2025

Lightweight Re-Ranking in Qdrant Using Logistic Regression

I’ve worked a little more with Qdrant’s hybrid queries and noticed that they are useful beyond what I described in my last article. When building a recommendation system, we usually start with vector search to retrieve promising candidates — for example, the top-M videos for a user based on their past behavior in a shared embedding space.

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  • python
  • data-science
  • vector-db
article May 23, 2025

Combining Vector Search with Business Logic in Qdrant

I’ve been using Qdrant for vector similarity search in a recommendation system, and one challenge that keeps coming up is how to incorporate additional information beyond just the vectors themselves.

[... 353 words]

  • python
  • sql
  • data-science
  • vector-db
article Mar 02, 2025

A Lightweight Vector DB with DuckDB and Cloud Run

While working on a project, I recently needed a lightweight, serverless vector database solution. The vectors needed to be stored alongside additional metadata, and the database itself would only be updated daily—i.e., read-only for most users.

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  • data-engineering
  • cloud
  • gcp
  • python
  • duckdb
  • vector-db
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