• The ABCs of semantic search in OpenSearch: Architectures, benchmarks, and combination strategies

    Thu, Mar 30, 2023

    In an earlier blog post, we described different ways of building a semantic search engine in OpenSearch. In this post, we'll dive further into the science behind it. We'll discuss the benefits of combining keyword-based search with neural search, the architecture and model options, and benchmarking tests and results. First, we'll provide an overview of our proposed solutions and a...

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  • Expanding k-NN with Lucene approximate nearest neighbor search

    Wed, Mar 22, 2023

    OpenSearch pioneered k-nearest neighbor (k-NN) within search engines in 2019, and developers have adopted it enthusiastically on sets of millions or even billions of vectors. OpenSearch continues to innovate in the area of k-NN support. OpenSearch 2.2 added the Lucene 9.0 implementation of k-NN, and OpenSearch 2.4 added adaptive filtering.

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  • Getting started with multilayer maps in OpenSearch

    Wed, Mar 15, 2023

    OpenSearch 2.5 introduced new multilayer maps for visualizing geographical data. Displaying multiple layers on a map lets you show data from different sources at different zoom levels. Additionally, in OpenSearch 2.6, you can add multilayer maps to dashboard panels within OpenSearch Dashboards, which makes it easier to analyze your geospatial data in the context of other visualizations.

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  • OpenSearch Project Newsletter - Volume 1, Issue 2

    Mon, Mar 13, 2023

    The OpenSearch Project is pleased to present our newsletter. Distributed monthly, the newsletter is a great way to learn more about the latest OpenSearch news, relevant content from the community, and upcoming events that you may be interested in.

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  • OpenSearch Project Q1 community survey results

    Sun, Mar 12, 2023

    Thank you to the OpenSearch community members who responded to our Q1 community survey! Our first quarterly survey focused on understanding who our users are, what they use OpenSearch for, and establishing a baseline for how they feel about the current OpenSearch experience. We are thrilled to report a net promoter score (NPS) of 57.8 and a UX health score...

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