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Dev tools · December 1, 2022

Semantic Question Answering as a Service

Since managing the Large Language Models in production might be challenging, we've made a short demo to present how to use Cohere co.embed API and Qdrant Cloud to create a semantic QA system. This is based on bi-encoder architecture, and can be easily adopted to a different use case, like semantic search in any domain.

Semantic Question Answering as a Service launched on December 1, 2022 with 9 votes, #1,295 of 3,688 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.

What it does

End-to-end Question Answering system for the biomedical data with SaaS tools: Cohere co.embed API and Qdrant

Bi-encoders are probably the most efficient way of setting up a semantic Question Answering system. This architecture relies on the same neural model that creates vector embeddings for both questions and answers. The assumption is, both question and answer should have representations close to each other in the latent space. It should be like that because they should both describe the same semantic concept. That doesn’t apply to answers like “Yes” or “No” though, but standard FAQ-like problems are a bit easier as there is typically an overlap between both texts. Not necessarily in terms of wording, but in their semantics. And yeah, you need to bring your own…from qdrant.tech

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