543 lines
21 KiB
HTML
543 lines
21 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">
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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-3.5.0/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-3.5.0/lib/css/zenburn.css">
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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-3.5.0/css/print/pdf.css' : '../reveal.js-3.5.0/css/print/paper.css';
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document.getElementsByTagName( 'head' )[0].appendChild( link );
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</script>
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<!--[if lt IE 9]>
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<script src="../reveal.js-3.5.0/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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Don't Wrangle, Guess
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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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<img src="graphics/FullText-white.png" height="40" style="float: right;"/>
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</div>
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<div class="slides">
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<section>
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<h2>Don't Wrangle, Guess Instead</h2>
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<h4>with</h4>
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<img src="graphics/mimir_logo_final.png" />
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<imagecredits>(OpenClipArt.org)</imagecredits>
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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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<section>
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<section>
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<h2>CSV Import</h2>
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<h4>Run a <code>SELECT</code> on a raw CSV File</h4>
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<ul>
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<li>File may not have column headers</li>
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<li>CSV does not provide "types"</li>
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<li>Lines may be missing fields</li>
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<li>Fields may be mistyped (typo, missing comma)</li>
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<li>Comment text can be inlined into the file</li>
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</ul>
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<p>
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<b>State of the art</b>: External Table Defn <span>+ "Manually" edit CSV</span>
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</p>
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</section>
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<section>
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<h2>Merge Data From Two Sources</h2>
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<h4><code>UNION</code> two data sources</h4>
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<ul>
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<li>Schema matching</li>
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<li>Deduplication</li>
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<li>Format alignment (GIS coordinates, $ vs €)</li>
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<li>Precision alignment (State vs County)</li>
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</ul>
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<p>
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<b>State of the art</b>: Manually map schema
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</p>
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</section>
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<section>
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<h2>JSON Shredding</h2>
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<h4>Run a <code>SELECT</code> on JSON or a Doc Store</h4>
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<ul>
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<li>Separating fields and record sets:<br/>(e.g., <code>{ A: "Bob", B: "Alice" }</code>)</li>
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<li>Missing fields (Records with no 'address')</li>
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<li>Type alignment (Records with 'address' as an array)</li>
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<li>Schema matching$^2$</li>
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</ul>
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<p>
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<b>State of the art</b>: DataGuide, Wrangler, etc...
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</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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<img src="graphics/sad_alice.svg" width="200px" height="200px" />
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</section>
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<section>
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!-- Created with Inkscape (http://www.inkscape.org/) -->
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<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd" xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape" width="600" height="400" viewBox="0 0 600 400" version="1.1" class="stretch" id="svg27" inkscape:version="0.92.2 5c3e80d, 2017-08-06" sodipodi:docname="heuristics.svg">
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<g inkscape:label="Layer 1" inkscape:groupmode="layer" id="layer1" transform="translate(0,103)">
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<image xlink:href="papers/p37-aggarwal.png" class="fragment" width="215.89999" height="279.39999" preserveAspectRatio="none" id="image227" x="310.09167" y="-89.140472" />
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<image xlink:href="papers/p517-shepard.png" class="fragment" width="215.89999" height="279.39999" preserveAspectRatio="none" id="image238" x="22.073807" y="-98.211899" />
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<image xlink:href="papers/p1-bhattacharya.png" class="fragment" width="215.89999" height="279.39999" preserveAspectRatio="none" id="image216" x="114.3" y="-52.854759" />
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<image xlink:href="papers/p1483-wang.png" class="fragment" width="215.89999" height="279.39999" preserveAspectRatio="none" id="image249" x="230.71667" y="-23.372616" />
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<image xlink:href="papers/p2018-getoor.png" class="fragment" width="215.89999" height="279.39999" preserveAspectRatio="none" id="image260" x="114.3" y="-52.854759" />
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<image xlink:href="papers/hodge.png" class="fragment" width="209.804" height="297.01068" preserveAspectRatio="none" id="image205" x="62.919422" y="64.583939" />
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<image xlink:href="papers/btr597.png" class="fragment" width="215.73067" height="279.06134" preserveAspectRatio="none" id="image194" x="371.72296" y="-14.482616" />
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<image xlink:href="papers/778_2008_Article_98.png" class="fragment" width="209.97333" height="278.892" preserveAspectRatio="none" id="image183" x="182.44458" y="55.179905" />
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<image xlink:href="papers/1-s2.0-S030439750400725X-main.png" class="fragment" width="191.85466" height="261.62" preserveAspectRatio="none" id="image172" x="354.6203" y="52.79715" />
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</g>
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</svg>
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<p class="fragment">Tons of Curation Heuristics Available!</p>
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</section>
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<section>
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<img src="graphics/happy_alice.svg" width="200px" height="200px" />
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<imagecredits>(OpenClipArt.org)</imagecredits>
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</section>
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<section>
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<img src="graphics/StateStreet.png"/>
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<p class="fragment">... that can be wrong</p>
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<imagecredits>(google.com)</imagecredits>
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</section>
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<section>
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<img src="graphics/Mickey12.png" height="400px"/>
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<p>... very wrong</p>
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<imagecredits>(nytimes.com)</imagecredits>
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</section>
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<section>
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<h3>
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In the name of Codd,<br/><span class="fragment grow highlight-current-blue" data-fragment-index="2">thou shalt not give the user a wrong answer.</span>
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</h3>
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</section>
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<section>
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<p>... but when combined with heuristics</p>
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<img src="graphics/obamacare_stats_fail.jpg" height="400" />
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<imagecredits>(Fox News)</imagecredits>
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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>On representing incomplete information in a relational data base</h3>
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<h4>T. Imielinski & W. Lipski Jr.<span style="margin-left: 40px">(<i>VLDB 1981</i>)</span></h4>
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<p class="fragment" style="margin-top: 60px">
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Incomplete and Probabilistic Databases<br/>have existed since the 1980s...
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</p>
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</section>
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<section>
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<h1>But...</h1>
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</section>
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<section>
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<img src="graphics/blackbox.svg" height="400">
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<p>(Typical Heuristics)</p>
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</section>
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<section>
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<canvas data-chart="bar">
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<!--
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{"options": {
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"title" : {
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"display" : true,
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"text" : ["Query Performance on PDBench/TPCH","(1 GB; 5 min timeout)"]
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},
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"scales": {
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"yAxes": [{
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"scaleLabel": {
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"display": true,
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"labelString": "Query Runtime (s)"
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}
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}]
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}
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}}
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-->
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Label , PDB-1, PDB-2, PDB-3, TPCH-1, TPCH-3, TPCH-5, TPCH-9
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SQLite , 9.521, 7.59, 31.22, 19.561, 22.835, 33.308, 51.125
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MayBMS-SQLite , 22.1345477, 7.291376699999999, 29.1511957
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MayBMS-PGSql , 23.439012999999996, 13.000651999999999, 20.2954832
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Sampling (x10), 300, 242.5666234549135, 300, 119.61607021316885, 162.00108394436538, 258.74168805666267, 300
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</canvas>
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</section>
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<section>
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<img src="graphics/Normal_Distribution_PDF.svg" height="500" />
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<p>(Probabilistic Query Outputs)</p>
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</section>
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<section>
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<h2>Probabilistic Databases...</h2>
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<ol style="margin-top: 50px;">
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<li class="fragment">... require probabilities as inputs</li>
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<li class="fragment">... are slow</li>
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<li class="fragment">... produce probabilities as outputs</li>
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</ol>
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</section>
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</section>
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<section>
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<section>
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<p>The <img src="graphics/mimir_logo_final.png" height="150px" style="vertical-align: middle"/>Uncertainty-Aware Database</p>
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<p><a href="http://mimirdb.info">http://mimirdb.info</a></p>
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</section>
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<section>
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<p>Mimir is a vehicle for research on...</p>
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<ol>
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<li class="fragment" data-fragment-index="1">... uncertainty capture</li>
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<li class="fragment" data-fragment-index="2"><span class="fragment highlight-current-red" data-fragment-index="5">... query processing over uncertain data</span></li>
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<li class="fragment" data-fragment-index="3"><span class="fragment highlight-current-red" data-fragment-index="5">... intuitive and qualitative presentation of uncertainty</span></li>
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<li class="fragment" data-fragment-index="4">... other things that we can do to make Alice's life easier</li>
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</ol>
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</section>
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<section>
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<ul style="font-size: larger">
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<li style="color: lightgrey;">Why should you care about uncertain data?</li>
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<li style="font-weight: bold">Background: K-Relations and Possible Worlds</li>
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<li>Uncertainty-Annotated Databases<div style="font-size: smaller; font-weight: normal; font-style: italic;">(Joint work with Boris Glavic, Su Feng, Aaron Huber)</div></li>
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<li>Other Mimir Projects</li>
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</ul>
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</section>
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</section>
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<section>
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<section>
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<ul>
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<li>Semirings</li>
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<li>K-Relations</li>
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<li>Possible Worlds</li>
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<li>Certain, Possible Tuples</li>
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</ul>
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</section>
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</section>
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<section>
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<section>
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<ul>
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<li>$K^W$-Relations</li>
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<li>$PW_i$, Certain, Possible</li>
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<li>Performance</li>
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</ul>
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</section>
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</section>
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<section>
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<h5>Thanks...</h5>
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<table>
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<tr>
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<th colspan="5" style="font-size: 12pt">Students</th>
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</tr>
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<tr height="80px">
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<td width="100px">
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<img src="people/poonam.jpg" width="70px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Poonam<br/>(PhD-3Y)</p>
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</td>
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<td width="100px">
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<img src="people/will.png" width="61px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Will<br/>(PhD-2Y)</p>
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</td>
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<td width="100px">
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<img src="people/aaron.jpg" width="64px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Aaron<br/>(PhD-3Y)</p>
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</td>
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<td width="100px">
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<img src="people/lisa.jpg" width="71px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Lisa<br/>(PhD-0Y)</p>
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</td>
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<td width="100px">
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<img src="people/olivia.png" width="50px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Olivia<br/>(BS-Sr)</p>
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</td>
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</tr>
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</table>
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<table style="display: inline-block;">
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<tr>
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<th colspan="4" style="font-size: 12pt">Alumni</th>
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</tr>
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<tr height="80px">
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<td width="100px">
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<img src="people/ying.jpg" width="60px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Ying<br/>(PhD 2017)</p>
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</td>
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<td width="100px">
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<img src="people/niccolo.png" width="50px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Niccolò<br/>(PhD 2016)</p>
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</td>
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<td width="100px">
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<img src="people/arindam.jpg" width="80px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Arindam<br/>(MS 2016)</p>
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</td>
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<td width="100px">
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<img src="people/shivang.jpg" width="55px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Shivang<br/>(MS-2Y)</p>
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</td>
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</tr>
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</table>
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<table style="display: inline-block; margin-left: 100px">
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<tr>
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<th colspan="1" style="font-size: 12pt">Dev</th>
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</tr>
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<tr>
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<td width="100px">
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<img src="people/mike.jpg" width="80px" height="80px" style="margin-bottom: 0px"/>
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<p style="margin-top: 0px; font-size: 10pt;">Mike<br/>(Sr. Rsrch. Dev.)</p>
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</td>
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</tr>
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</table>
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<table>
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<tr>
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<th colspan="4" style="font-size: 12pt">External Collaborators</th>
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</tr>
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<tr>
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<td width="130px" style="font-size: 10pt;">
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Dieter Gawlick<br/>(Oracle)
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</td>
|
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<td width="130px" style="font-size: 10pt;">
|
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Zhen Hua Liu<br/>(Oracle)
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</td>
|
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<td width="130px" style="font-size: 10pt;">
|
|
Ronny Fehling<br/>(Airbus)
|
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</td>
|
|
<td width="130px" style="font-size: 10pt;">
|
|
Beda Hammerschmidt<br/>(Oracle)
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</td>
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</tr>
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</table>
|
|
<table style="margin-top: 5px">
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<tr>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Boris Glavic<br/>(IIT)
|
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</td>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Su Feng<br/>(IIT)
|
|
</td>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Juliana Freire<br/>(NYU)
|
|
</td>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Wolfgang Gatterbauer<br/>(NEU)
|
|
</td>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Heiko Mueller<br/>(NYU)
|
|
</td>
|
|
<td width="140px" style="font-size: 10pt;">
|
|
Remi Rampin<br/>(NYU)
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<p style="font-size: 10pt; font-weight: bold;">Mimir is supported by NSF Award ACI-1640864, NPS Award N00244-16-1-0022, and gifts from Oracle</p>
|
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</section>
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<section>
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|
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<p style="font-size: x-large;"><img src="graphics/mimir_logo_final.png" height="150px"><br/><a href="http://mimirdb.info">http://mimirdb.info</a></p>
|
|
|
|
<ul style="font-size: smaller;">
|
|
<li>It's not the data that's uncertain, it's the interpretation.</li>
|
|
<li>Tagged best-guess evaluation is faster and easier to understand.</li>
|
|
<li>Not committing to one representation allows faster query processing.</li>
|
|
</ul>
|
|
|
|
<p><b>Thanks!</b></p>
|
|
|
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</section>
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|
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</div></div>
|
|
|
|
<script src="../reveal.js-3.5.0/lib/js/head.min.js"></script>
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<script src="../reveal.js-3.5.0/js/reveal.js"></script>
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<script>
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transition: 'fade', // none/fade/slide/convex/concave/zoom
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chart: {
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{ src: '../reveal.js-3.5.0/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../reveal.js-3.5.0/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../reveal.js-3.5.0/plugin/chart/Chart.min.js'},
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