485 lines
20 KiB
HTML
485 lines
20 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Embracing Uncertainty</title>
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<meta name="description" content="Mimir, an awesome system for embracing uncertainty">
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<meta name="author" content="Oliver Kennedy">
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
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<link rel="stylesheet" href="../reveal.js-3.1.0/css/reveal.css">
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<link rel="stylesheet" href="ubodin.css" id="theme">
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<!-- Code syntax highlighting -->
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<link rel="stylesheet" href="../reveal.js-3.1.0/lib/css/zenburn.css">
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<!-- Printing and PDF exports -->
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<script>
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var link = document.createElement( 'link' );
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = window.location.search.match( /print-pdf/gi ) ? '../reveal.js-3.1.0/css/print/pdf.css' : '../reveal.js-3.1.0/css/print/paper.css';
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document.getElementsByTagName( 'head' )[0].appendChild( link );
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</script>
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<script src="../reveal.js-3.1.0/lib/js/html5shiv.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="reveal">
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<!-- Any section element inside of this container is displayed as a slide -->
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<div class="header">
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<!-- Any Talk-Specific Header Content Goes Here -->
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Embracing Uncertainty & ODIn Lab Overview
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</div>
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<div class="footer">
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<!-- Any Talk-Specific Footer Content Goes Here -->
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<div style="float: left; margin-top: 15px; ">
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Exploring <u><b>O</b></u>nline <u><b>D</b></u>ata <u><b>In</b></u>teractions
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</div>
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<a href="https://odin.cse.buffalo.edu" target="_blank">
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<img src="graphics/FullText-white.png" height="40" style="float: right;"/>
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</a>
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</div>
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<div class="slides">
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<section>
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<section>
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<img src="graphics/FullText-black.png" height="100"/>
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<h5><a href="https://odin.cse.buffalo.edu">https://odin.cse.buffalo.edu</a></h5>
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<img src="graphics/qrcode.31361737.png" />
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</section>
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<section>
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<h2>Embracing Uncertainty</h2>
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<div class="headertext" style="float: left; color: #041a9b; height: 3em;">U @ Buffalo</div>
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<div class="headertext" style="color: #041a9b">
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Ying Yang, Niccolo Meneghetti, <br/>
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Arindam Nandi, Vinayak Karuppasamy, <br/>
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<u>Oliver Kennedy</u>, Jan Chomicki</div>
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<div class="headertext" style="float: left; color: red;">Oracle</div>
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<div class="headertext" style="color: red;">Ronny Fehling, Zhen-Hua Liu, Dieter Gawlick</div>
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</section>
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<section>
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<h2>Before we begin...</h2>
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</section>
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<section>
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<h2>Insider Threats</h2>
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<ul>
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<li>How do we identify <i>abnormal</i> query behavior from users?</li>
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<li>What is <i>normal</i> user behavior?</li>
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<li>Multiple gigs of query logs from M&T</li>
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</ul>
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<p>...with <b>Gokhan Kul, Duc Thanh Anh Luong, Ting Xie</b>, Shambhu, Varun, Hung</p>
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</section>
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<section>
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<h2>Pocket Data</h2>
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<ul>
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<li>Months of query logs from PhoneLab Phones (2 queries per phone per second)</li>
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<li>SQLite is inefficient</li>
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<li>SQLite is being used inefficiently</li>
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<li>Let's develop a benchmark to help shine a light on these inefficiencies</li>
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</ul>
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<p>...with <b>Jerry Ajay</b>, Geoff, Luke</p>
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</section>
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<section>
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<h2>Just-in-Time Datastructures</h2>
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<ul>
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<li>Decouple Physical Structure from Logical Interface.</li>
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<li>Express Datastructure Organization through Rewrite Rules.</li>
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<li>...allows hybridized datastructures for intermediate tradeoffs.</li>
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<li>...allows for semifunctional datastructures with all the benefits but fewer tradeoffs.</li>
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</ul>
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<p>...with Luke</p>
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</section>
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</section>
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<section>
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<section>
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<h3>A Big Data Fairy Tale</h3>
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</section>
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<section>
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<img src="graphics/dagobert83-female-user-icon-800px.png" height="300" />
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<h4>Meet Alice</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/dagobert83-female-user-icon-800px.png" height="300" />
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<img src="graphics/littlestorefront-800px.png" height="300" />
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<h4>Alice has a Store</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/littlestorefront-800px.png" height="300" style=" vertical-align: middle;"/>
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<span style="font-size: 3em; vertical-align: middle;">→</span>
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<img src="graphics/matt-icons_text-x-log-300px.png" height="300" style=" vertical-align: middle;" />
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<h4>Alice's store collects sales data</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/dagobert83-female-user-icon-800px.png" height="300" style=" vertical-align: middle;"/>
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<span style="font-size: 3em; vertical-align: middle;">+</span>
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<img src="graphics/matt-icons_text-x-log-300px.png" height="300" style=" vertical-align: middle;" />
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<span style="font-size: 3em; vertical-align: middle;">=</span>
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<img src="graphics/saco-800px.png" height="300" style=" vertical-align: middle;" />
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<h4>Alice wants to use her sales data to run a promotion</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/matt-icons_text-x-log-300px.png" height="300" style=" vertical-align: middle;"/>
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<span style="font-size: 3em; vertical-align: middle;">→</span>
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<img src="graphics/database-server-800px.png" height="300" style=" vertical-align: middle;" />
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<h4>So Alice loads up her sales data in her trusty database/hadoop/spark/etc... server.</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/database-server-800px.png" height="300" style=" vertical-align: middle;" />
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<span style="font-size: 3em; vertical-align: middle;">+ ?</span>
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<h4>... asks her question ...</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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<section>
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<img src="graphics/database-server-800px.png" height="300" style=" vertical-align: middle;" />
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<span style="font-size: 3em; vertical-align: middle;">+ ? →</span>
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<img src="graphics/crystalball-800px.png" height="300" style=" vertical-align: middle;" />
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<h4>... and basks in the limitless possibilities of big data.</h4>
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<attribution>(OpenClipArt.org)</attribution>
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</section>
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</section>
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<section>
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<section>
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<h2>Why is this a fairy tale?</h2>
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</section>
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<section>
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<img src="graphics/matt-icons_text-x-log-300px.png" height="300" style=" vertical-align: middle;"/>
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<span style="font-size: 3em; vertical-align: middle;">→</span>
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<img src="graphics/database-server-800px.png" height="300" style=" vertical-align: middle;" />
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<h4>It's never this easy...</h4>
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</section>
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<section>
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<h2>Loading Data<h2>
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<small>
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<ul>
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<li class="fragment">Validating and Fixing Outliers</li>
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<li class="fragment">Handling Missing Data</li>
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<li class="fragment">Matching Schemas</li>
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<li class="fragment">Fixing Schemas</li>
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<li class="fragment">Managing Stale Data</li>
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<li class="fragment">Deduplicating Records</li>
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<li class="fragment">... and lots more</li>
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</ul>
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</small>
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</section>
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</section>
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<section>
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<section>
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<h2>Data Cleaning is Hard!</h2>
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</section>
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<section>
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<h3>State of the Art</h3>
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<img src="graphics/BI-Analyst.jpg" height="400" />
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<attribution>(skilledup.com)</attribution>
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<p>Alice spends weeks cleaning her data before using it.</p>
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</section>
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<section>
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<h3>Newer State of the Art</h3>
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<img src="graphics/azure-data-lake.png" height=500 />
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<attribution>(azure.microsoft.com)</attribution>
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</section>
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<section>
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<img src="graphics/data-lake-to-data-swamp.jpg" height=500 />
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<attribution>(timoelliott.com)</attribution>
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</section>
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</section>
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<section>
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<section>
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<h2>Making Cleaning Easier</h2>
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<svg width=500 height=300>
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<polygon
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points="60,50 60,60 40,50 60,40 60,50 440,50 440,40 460,50 440,60 440,50"
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style="
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stroke: black;
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fill: black;
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stroke-width: 2;
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"
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/>
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<text x=0 y=30 style="font-size: 0.75em">Scalability</text>
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<text x=370 y=30 style="font-size: 0.75em">Reliability</text>
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<text class="fragment" x=-220 y=400 style="font-size: 0.75em" transform="rotate(-90 20,20)">Expert Analysis</text>
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<text class="fragment" x=-220 y=250 style="font-size: 0.75em" transform="rotate(-90 20,20)">Crowdsourcing</text>
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<text class="fragment" x=-180 y=100 style="font-size: 0.75em" transform="rotate(-90 20,20)">Automation</text>
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</svg>
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<p class="fragment">Can we start with automation and work our way up?</p>
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</section>
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</section>
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<section>
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<h1>Mimir</h1>
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</section>
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<section>
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<ul>
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<li>Automate educated guesses for fast cleaning<ul>
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<li><b>Lenses</b>: A family of simple data-cleaning operators</li>
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<div class="fragment shrink fade-out" data-fragment-index="5">
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<li class="fragment" data-fragment-index="1">... but what if the guesses are wrong?</li>
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</div>
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</ul></li>
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<div class="fragment shrink fade-out" data-fragment-index="5">
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<li class="fragment" data-fragment-index="2">Annotate 'best guess' relations with the guesses<ul>
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<li><b>Virtual C-Tables</b>: A lineage model based on views, labeled nulls, and lazy evaluation.</li>
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<li class="fragment" data-fragment-index="3">... so now the user needs to interpret your guesses?</li>
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</ul></li>
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<li class="fragment" data-fragment-index="4">Rank guesses by their impact on result uncertainty<ul>
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<li><b>CPI</b>: A greedy heuristic for ranking sources of uncertainty.</li>
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</ul></li>
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</div>
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</ul>
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</section>
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<section>
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<section>
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<h3>Lenses</h3>
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<p class="fragment" data-fragment-index="1">Here's a problem with my data. <span class="fragment" data-fragment-index="2">Fix it.</span></p>
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<ul>
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<li class="fragment" data-fragment-index="3">What types should columns in this table have?
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<ul class="fragment smalltext" data-fragment-index="7"><li>Majority Vote of All Castable Types</li></ul></li>
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<li class="fragment" data-fragment-index="4">How do the columns of these relations line up?
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<ul class="fragment smalltext" data-fragment-index="7"><li>Paygo and Countless Other Papers/Systems</li></ul></li>
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<li class="fragment" data-fragment-index="5">How do I query heterogeneous JSON/XML objects?
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<ul class="fragment smalltext" data-fragment-index="7"><li>XMorph and Many Others</li></ul></li>
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<li class="fragment" data-fragment-index="6">What should these missing values be?
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<ul class="fragment smalltext" data-fragment-index="7"><li>Machine Learning + Interpolation</li></ul></li>
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<ul>
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</section>
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<section>
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<h3>Lenses</h3>
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<p>Each lens implements one automated data repair task with <b>minimal configuration or training</b>.</p>
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<ul>
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<li class="fragment">A "SQL" Expression</li>
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<li class="fragment">A Model that defines configuration parameters and best-guesses for data repairs.</li>
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</ul>
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</section>
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<section>
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<pre><code>
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CREATE LENS PRODUCTS
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AS SELECT * FROM PRODUCTS_RAW
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USING DOMAIN_REPAIR(DEPARTMENT NOT NULL);
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</code></pre>
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<ul>
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<li><code>AS</code> clause defines source data.</li>
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<li><code>USING</code> clause requests repairs.</li>
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</ul>
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</section>
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<section>
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<div>
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<h4>The Lens Query</h4>
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<pre><code>
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CREATE VIEW PRODUCTS
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AS SELECT ID, NAME, ...,
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CASE WHEN DEPARTMENT IS NOT NULL THEN DEPARTMENT
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ELSE VAR('PRODUCTS.DEPARTMENT', ROWID)
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END AS DEPARTMENT
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FROM PRODUCTS_RAW;
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</code></pre>
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</div>
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<small class="fragment">
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<table>
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<tr><th>ID</th><th>Name</th><th>...</th><th>Department</th></tr>
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<tr><td>123</td><td>Apple 6s, White</td><td>...</td><td>Phone</td></tr>
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<tr><td>34234</td><td>Dell, Intel 4 core</td><td>...</td><td>Computer</td></tr>
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<tr><td>34235</td><td>HP, AMD 2 core</td><td>...</td><td class="fragment">$Prod.Dept_3$</td></tr>
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<tr><td>...</td><td>...</td><td>...</td><td>...</td></tr>
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</table>
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</small>
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</section>
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<section>
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<div>
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<h4>The Lens Model</h4>
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<pre><code>
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SELECT * FROM PRODUCTS_RAW;
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</code></pre>
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</div>
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<div class="fragment">
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<div style="font-size: 1em; vertical-align: middle;">↓</div>
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||
<div>
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||
<img src="graphics/weka.png" />
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</div>
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</div>
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<div class="fragment">
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<div style="font-size: 1em; vertical-align: middle;">↓</div>
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<div><p>An estimator for each <small style="vertical-align: baseline;">$Prod.Dept_{ROWID}$</small><p></div>
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</div>
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</section>
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</section>
|
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|
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<section>
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<section>
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<h2>The User's View</h2>
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||
<pre><code>
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SELECT NAME, DEPARTMENT FROM PRODUCTS;
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</code></pre>
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<table class="fragment" data-fragment-index="1">
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<tr><th>Name</th><th>Department</th></tr>
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<tr><td>Apple 6s, White</td><td>Phone</td></tr>
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<tr><td>Dell, Intel 4 core</td><td>Computer</td></tr>
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<tr><td>HP, AMD 2 core</td><td class="fragment highlight-red" data-fragment-index="2">Computer</td></tr>
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<tr><td>...</td><td>...</td></tr>
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||
</table>
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<p class="fragment" data-fragment-index="2"><b>Simple UI:</b> Highlight values (and rows) based on guesses.</p>
|
||
</section>
|
||
|
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<section>
|
||
<pre><code>
|
||
SELECT NAME, DEPARTMENT FROM PRODUCTS;
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</code></pre>
|
||
<small>
|
||
<table>
|
||
<tr><th>Name</th><th>Department</th></tr>
|
||
<tr><td>Apple 6s, White</td><td>Phone</td></tr>
|
||
<tr><td>Dell, Intel 4 core</td><td>Computer</td></tr>
|
||
<tr><td>HP, AMD 2 core</td><td style="color: red;">Computer</td></tr>
|
||
<tr><td>...</td><td>...</td></tr>
|
||
</table>
|
||
</small>
|
||
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xl="http://www.w3.org/1999/xlink" version="1.1" viewBox="241 277 265 125" width="265pt" height="125pt" xmlns:dc="http://purl.org/dc/elements/1.1/" class="fragment" data-fragment-index="1">
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<title>Canvas 1</title>
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<g>
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<title>Layer 1</title>
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|
||
<text transform="translate(293 293)" fill="black"><tspan font-family="Helvetica Neue" font-size="16" font-weight="bold" x="0" y="16" textLength="16.896" class="fragment" data-fragment-index="2">Pr</tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="bold" x="16.608" y="16" textLength="69.28" class="fragment" data-fragment-index="2">obability:</tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="500" x="85.888" y="16" textLength="38.24" class="fragment" data-fragment-index="2"> 95%</tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="bold" x="0" y="53" textLength="62.224" class="fragment" data-fragment-index="3">Reason:</tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="500" x="62.224" y="53" textLength="144.912" class="fragment" data-fragment-index="3"> Because I guessed </tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="500" x="0" y="71" textLength="206.592" class="fragment" data-fragment-index="3">‘Computer’ for ‘Department’ </tspan><tspan font-family="Helvetica Neue" font-size="16" font-weight="500" x="0" y="89" textLength="196.16" class="fragment" data-fragment-index="3">on Row ‘3’ of ‘PRODUCTS’</tspan></text>
|
||
</g>
|
||
</g>
|
||
</svg>
|
||
<p class="fragment" data-fragment-index="1">Allow users to <code>EXPLAIN</code> uncertain outputs</p>
|
||
<p class="fragment" data-fragment-index="3">Explanations include reasons given in English</p>
|
||
</section>
|
||
|
||
<section>
|
||
<h3>Other Lenses</h3>
|
||
<ul>
|
||
<li>Schema Matching (equivalently JSON/XML import)</li>
|
||
<li>Archival (how stale is my data?)</li>
|
||
<li>Type Inference</li>
|
||
<li style="color: grey;">Deduplication / Entity Resolution</li>
|
||
<li style="color: grey;">Schema Name Inference</li>
|
||
<li>And more...</li>
|
||
</ul>
|
||
</section>
|
||
|
||
</section>
|
||
|
||
<section>
|
||
|
||
<section>
|
||
<h2>Mimir Demo</h2>
|
||
|
||
<p><a href="http://demo.odin.cse.buffalo.edu" target="_blank"><img src="https://odin.cse.buffalo.edu/wp-content/uploads/2015/08/Mimir_Screenshot.png" height="400"/></a></p>
|
||
</section>
|
||
|
||
<section>
|
||
|
||
<h2>Intuitive Uncertainty</h2>
|
||
|
||
<p><b>UB</b>: Ying Yang, Niccolo Meneghetti, <br/> Arindam Nandi, Vinayak Karuppasamy, <br/>Oliver Kennedy, Jan Chomicki</p>
|
||
<p><b>Oracle</b>: Ronny Fehling, Zhen-Hua Liu, Dieter Gawlick</p>
|
||
|
||
<h4>Thanks to Oracle for multiple gifts that make this research possible</h4>
|
||
</section>
|
||
</section>
|
||
|
||
</div></div>
|
||
|
||
<script src="../reveal.js-3.1.0/lib/js/head.min.js"></script>
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||
<script src="../reveal.js-3.1.0/js/reveal.js"></script>
|
||
|
||
<script>
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||
|
||
// Full list of configuration options available at:
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// https://github.com/hakimel/../reveal.js#configuration
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||
Reveal.initialize({
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||
controls: false,
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progress: true,
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history: true,
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center: true,
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slideNumber: true,
|
||
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||
transition: 'fade', // none/fade/slide/convex/concave/zoom
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|
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// Optional ../reveal.js plugins
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dependencies: [
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{ src: '../reveal.js-3.1.0/lib/js/classList.js', condition: function() { return !document.body.classList; } },
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||
|
||
</script>
|
||
|
||
</body>
|
||
</html>
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