Doug TurnbullDoug Turnbull's personal blog and essays
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Switch repos with "git cd"Idiot proof "git cd" command to cd to repos in your project dir with fuzzy matching and tab completion.Sat, 13 May 2023 00:00:00 +0000
/blog/2023/05/13/a-git-cd-command.html
/blog/2023/05/13/a-git-cd-command.htmlNDCG is overratedYou can get started improving search relevance without labels and judgments. Which is an imperfect model anyway.Sat, 06 May 2023 00:00:00 +0000
/blog/2023/05/06/ndcg-is-overrated.html
/blog/2023/05/06/ndcg-is-overrated.htmlRecover relevance ranking from weak labelsIn this post, I have very weak, uncertain labels of relevance / not. However, in aggregate, they may be able to help us make strong determination on the importance of ranking signals.Mon, 01 May 2023 00:00:00 +0000
/blog/2023/05/01/recover-relevance-ranker.html
/blog/2023/05/01/recover-relevance-ranker.htmlReconstructing a cosine similarityIf you know u and v's dot products to A1...An can you reconstruct u.v?Sun, 12 Mar 2023 00:00:00 +0000
/blog/2023/03/12/reconstruct-dot-product-from-other-dot-products.html
/blog/2023/03/12/reconstruct-dot-product-from-other-dot-products.htmlEstimate dot product through two shared referencesTaking things up exactly one notch, from one shared reference, to two to estimate a dot product.Fri, 10 Mar 2023 00:00:00 +0000
/blog/2023/03/10/two-shared-reference-points.html
/blog/2023/03/10/two-shared-reference-points.htmlEstimate dot product through a shared referenceGiven a reference vector `A`, where we know `u.A` and `v.A` what can we say about `u.v`?Thu, 02 Mar 2023 00:00:00 +0000
/blog/2023/03/02/shared-dot-product.html
/blog/2023/03/02/shared-dot-product.htmlHow likely is a given dot product?Finding the probability of a dot product between two vectors lets us quantify how much information is in cosine similarity.Tue, 28 Feb 2023 00:00:00 +0000
/blog/2023/02/28/probability-of-dot-product.html
/blog/2023/02/28/probability-of-dot-product.htmlVector Search for the UninitiatedWhat is vector search and why all the sudden are we talking about it?Mon, 13 Feb 2023 00:00:00 +0000
/blog/2023/02/13/why-vector-search.html
/blog/2023/02/13/why-vector-search.htmlOrthogonality expected at higher dimensionsNinety degrees isn't particularly special in 2D, but 3D and beyond, it's the expected angle between two unit vectors.Mon, 26 Dec 2022 00:00:00 +0000
/blog/2022/12/26/surpries-at-hi-dimensions-orthoginality.html
/blog/2022/12/26/surpries-at-hi-dimensions-orthoginality.htmlWhat ChatGPT Says About The WebChatGPT unlocks information from the Web, and away from sites that abuse their users attention with spam and writing that targets Google, not humans.Sat, 24 Dec 2022 00:00:00 +0000
/blog/2022/12/24/chat-gpt-says-about-web.html
/blog/2022/12/24/chat-gpt-says-about-web.html