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diff --git a/docs/posts/2022-05-21-Similar-Movies-Recommender.html b/docs/posts/2022-05-21-Similar-Movies-Recommender.html index e8b9a12..bc1ab08 100644 --- a/docs/posts/2022-05-21-Similar-Movies-Recommender.html +++ b/docs/posts/2022-05-21-Similar-Movies-Recommender.html @@ -2,14 +2,27 @@ <html lang="en"> <head> - <link rel="stylesheet" href="https://unpkg.com/latex.css/style.min.css" /> + <meta http-equiv="X-UA-Compatible" content="IE=edge"> + <meta http-equiv="content-type" content="text/html; charset=utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1"> + <meta name="theme-color" content="#6a9fb5"> + + <title>Building a Similar Movies Recommendation System</title> + + <!-- + <link rel="stylesheet" href="https://unpkg.com/latex.css/style.min.css" /> + --> + + <link rel="stylesheet" href="/assets/c-hyde.css" /> + + <link rel="stylesheet" href="http://fonts.googleapis.com/css?family=PT+Sans:400,400italic,700|Abril+Fatface"> + <link rel="stylesheet" href="/assets/main.css" /> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> - <title>Building a Similar Movies Recommendation System</title> <meta name="og:site_name" content="Navan Chauhan" /> <link rel="canonical" href="https://web.navan.dev/posts/2022-05-21-Similar-Movies-Recommender.html" /> - <meta name="twitter:url" content="https://web.navan.dev/posts/2022-05-21-Similar-Movies-Recommender.html /> + <meta name="twitter:url" content="https://web.navan.dev/posts/2022-05-21-Similar-Movies-Recommender.html" /> <meta name="og:url" content="https://web.navan.dev/posts/2022-05-21-Similar-Movies-Recommender.html" /> <meta name="twitter:title" content="Building a Similar Movies Recommendation System" /> <meta name="og:title" content="Building a Similar Movies Recommendation System" /> @@ -26,38 +39,57 @@ <script data-goatcounter="https://navanchauhan.goatcounter.com/count" async src="//gc.zgo.at/count.js"></script> <script defer data-domain="web.navan.dev" src="https://plausible.io/js/plausible.js"></script> - <link rel="manifest" href="manifest.json" /> + <link rel="manifest" href="/manifest.json" /> </head> -<body> - <center><nav style="display: block;"> -| -<a href="/">home</a> | -<a href="/about/">about/links</a> | -<a href="/posts/">posts</a> | -<!--<a href="/publications/">publications</a> |--> -<!--<a href="/repo/">iOS repo</a> |--> -<a href="/feed.rss">RSS Feed</a> | -</nav> -</center> - -<main> +<body class="theme-base-0d"> + <div class="sidebar"> + <div class="container sidebar-sticky"> + <div class="sidebar-about"> + <h1><a href="/">Navan</a></h1> + <p class="lead" id="random-lead">Alea iacta est.</p> + </div> + + <ul class="sidebar-nav"> + <li><a class="sidebar-nav-item" href="/about/">about/links</a></li> + <li><a class="sidebar-nav-item" href="/posts/">posts</a></li> + <li><a class="sidebar-nav-item" href="/3D-Designs/">3D designs</a></li> + <li><a class="sidebar-nav-item" href="/feed.rss">RSS Feed</a></li> + <li><a class="sidebar-nav-item" href="/colophon/">colophon</a></li> + </ul> + <div class="copyright"><p>© 2019-2024. Navan Chauhan <br> <a href="/feed.rss">RSS</a></p></div> + </div> +</div> - <h1>Building a Similar Movies Recommendation System</h1> +<script> +let phrases = [ + "Something Funny", "Veni, vidi, vici", "Alea iacta est", "In vino veritas", "Acta, non verba", "Castigat ridendo mores", + "Cui bono?", "Memento vivere", "अहम् ब्रह्मास्मि", "अनुगच्छतु प्रवाहं", "चरन्मार्गान्विजानाति", "coq de cheval", "我愛啤酒" + ]; + +let new_phrase = phrases[Math.floor(Math.random()*phrases.length)]; + +let lead = document.getElementById("random-lead"); +lead.innerText = new_phrase; +</script> + <div class="content container"> + + <div class="post"> + <h1 id="building-a-similar-movies-recommendation-system">Building a Similar Movies Recommendation System</h1> -<h2>Why?</h2> +<h2 id="why">Why?</h2> <p>I recently came across a movie/tv-show recommender, <a rel="noopener" target="_blank" href="https://couchmoney.tv/">couchmoney.tv</a>. I loved it. I decided that I wanted to build something similar, so I could tinker with it as much as I wanted.</p> <p>I also wanted a recommendation system I could use via a REST API. Although I have not included that part in this post, I did eventually create it.</p> -<h2>How?</h2> +<h2 id="how">How?</h2> <p>By measuring the cosine of the angle between two vectors, you can get a value in the range [0,1] with 0 meaning no similarity. Now, if we find a way to represent information about movies as a vector, we can use cosine similarity as a metric to find similar movies.</p> <p>As we are recommending just based on the content of the movies, this is called a content based recommendation system.</p> -<h2>Data Collection</h2> +<h2 id="data-collection">Data Collection</h2> <p>Trakt exposes a nice API to search for movies/tv-shows. To access the API, you first need to get an API key (the Trakt ID you get when you create a new application). </p> @@ -139,7 +171,7 @@ <p>In the end, I could have dropped the embeddings field from the table schema as I never got around to using it.</p> -<h3>Scripting Time</h3> +<h3 id="scripting-time">Scripting Time</h3> <div class="codehilite"> <pre><span></span><code><span class="kn">from</span> <span class="nn">database</span> <span class="kn">import</span> <span class="o">*</span> @@ -242,7 +274,7 @@ <p>Running this script took me approximately 3 hours, and resulted in an SQLite database of 141.5 MB</p> -<h2>Embeddings!</h2> +<h2 id="embeddings">Embeddings!</h2> <p>I did not want to put my poor Mac through the estimated 23 hours it would have taken to embed the sentences. I decided to use Google Colab instead.</p> @@ -307,7 +339,7 @@ As of writing this post, I did not include any other database except Trakt. </p> <p>That's it!</p> -<h2>Interacting with Vectors</h2> +<h2 id="interacting-with-vectors">Interacting with Vectors</h2> <p>We use the <code>trakt_id</code> for the movie as the ID for the vectors and upsert it into the index. </p> @@ -358,7 +390,7 @@ It is possible that this additional step of mapping could be avoided by storing </code></pre> </div> -<h3>Testing it Out</h3> +<h3 id="testing-it-out">Testing it Out</h3> <div class="codehilite"> <pre><span></span><code><span class="n">movie_name</span> <span class="o">=</span> <span class="s2">"Now You See Me"</span> @@ -404,21 +436,21 @@ Spies (2015): A secret agent must perform a heist without time on his side <p>For now, I am happy with the recommendations.</p> -<h2>Simple UI</h2> +<h2 id="simple-ui">Simple UI</h2> <p>The code for the flask app can be found on GitHub: <a rel="noopener" target="_blank" href="https://github.com/navanchauhan/FlixRec">navanchauhan/FlixRec</a> or on my <a rel="noopener" target="_blank" href="https://pi4.navan.dev/gitea/navan/FlixRec">Gitea instance</a></p> <p>I quickly whipped up a simple Flask App to deal with problems of multiple movies sharing the title, and typos in the search query.</p> -<h3>Home Page</h3> +<h3 id="home-page">Home Page</h3> <p><img src="/assets/flixrec/home.png" alt="Home Page" /></p> -<h3>Handling Multiple Movies with Same Title</h3> +<h3 id="handling-multiple-movies-with-same-title">Handling Multiple Movies with Same Title</h3> <p><img src="/assets/flixrec/multiple.png" alt="Multiple Movies with Same Title" /></p> -<h3>Results Page</h3> +<h3 id="results-page">Results Page</h3> <p><img src="/assets/flixrec/results.png" alt="Results Page" /></p> @@ -428,14 +460,14 @@ Spies (2015): A secret agent must perform a heist without time on his side <p>Test it out at <a rel="noopener" target="_blank" href="https://flixrec.navan.dev">https://flixrec.navan.dev</a></p> -<h2>Current Limittations</h2> +<h2 id="current-limittations">Current Limittations</h2> <ul> <li>Does not work well with popular franchises</li> <li>No Genre Filter</li> </ul> -<h2>Future Addons</h2> +<h2 id="future-addons">Future Addons</h2> <ul> <li>Include Cast Data @@ -449,14 +481,15 @@ Spies (2015): A secret agent must perform a heist without time on his side <li>Filter based on popularity: The data already exists in the indexed database</li> </ul> + </div> <blockquote>If you have scrolled this far, consider subscribing to my mailing list <a href="https://listmonk.navan.dev/subscription/form">here.</a> You can subscribe to either a specific type of post you are interested in, or subscribe to everything with the "Everything" list.</blockquote> <script data-isso="https://comments.navan.dev/" src="https://comments.navan.dev/js/embed.min.js"></script> <section id="isso-thread"> <noscript>Javascript needs to be activated to view comments.</noscript> </section> -</main> + </div> <script src="assets/manup.min.js"></script> <script src="/pwabuilder-sw-register.js"></script> </body> |