Charlie Yang

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Charlie Yang is an AWS engineering manager with the OpenSearch Project. He focuses on machine learning, search relevance, and performance optimization.

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Blog Posts & Articles by Charlie Yang

Most Recent Blog Posts

technical post

Neural sparse models are now available in Hugging Face Sentence Transformers

Wed, Jun 11, 2025

technical post

Enhanced log analysis with OpenSearch PPL: Introducing lookup, join, and subsearch

Fri, May 30, 2025

Other Blog Posts

15 May 2025 Introducing MCP in OpenSearch
21 Aug 2024 Improving search efficiency and accuracy with the newest v2 neural sparse models
13 Aug 2024 Introducing the neural sparse two-phase algorithm
11 Jun 2024 A deep dive into faster semantic sparse retrieval in OpenSearch 2.12
16 Jan 2024 OpenSearch AI and machine learning: Recapping 2023 and what’s next
05 Dec 2023 Improving document retrieval with sparse semantic encoders
10 Apr 2023 You can now see ML model status in OpenSearch Dashboards

OpenSearchCon

2024 north america

Toward Semantic Search, what we have now and what it will be in the future.

Wednesday, September 25