--- title: Cosine Similarity | daily.dev description: Cosine similarity is a technique for measuring the similarity between two documents by transforming words into vectors within a vector space. It is valuable in... canonical: https://daily.dev/posts/cosine-similarity-2rixzsqma twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Cosine Similarity | daily.dev og:description: Cosine similarity is a technique for measuring the similarity between two documents by transforming words into vectors within a vector space. It is valuable in... og:url: https://daily.dev/posts/cosine-similarity-2rixzsqma og:image: https://api.daily.dev/og/posts/2riXZSQMa.png og:image:alt: Cosine Similarity og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Cosine Similarity **[Hacker News](https://daily.dev/sources/hn)** · 6 min read · 1 upvotes · 0 comments ## Summary Cosine similarity is a technique for measuring the similarity between two documents by transforming words into vectors within a vector space. It is valuable in applications such as recommendation systems, automatic text classification, and semantic search. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#vector-search](https://daily.dev/tags/vector-search), [#recommendation-systems](https://daily.dev/tags/recommendation-systems) [View this post on daily.dev](https://daily.dev/posts/cosine-similarity-2rixzsqma) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Cosine Similarity","url":"https://daily.dev/posts/cosine-similarity-2rixzsqma","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/cosine-similarity-2rixzsqma"},"datePublished":"2024-05-12T14:29:39.269Z","dateModified":"2024-05-12T14:29:37.326Z","description":"Cosine similarity is a technique for measuring the similarity between two documents by transforming words into vectors within a vector space. It is valuable in...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/392b181f024266269a28e3658ac4d35c?_a=AQAEuiZ","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/392b181f024266269a28e3658ac4d35c?_a=AQAEuiZ","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/cosine-similarity-2rixzsqma","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"vector-search,recommendation-systems","timeRequired":"PT6M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"Cosine Similarity"}]} ```