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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>MTL Data Meetup 2015/02/11 - Natural Language Generation for Statistical Reports</title>
<meta name="description" content="Talk at MTL Data Meetup 2015/02/11 - Natural Language Generation for Statistical Reports"></meta>
<meta name="author" content="Pablo Duboue"></meta>
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<link rel="stylesheet" href="css/reveal.css"></link>
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</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<h1>NLG for Statistical Reports</h1>
<h3>MTL Data Meetup 2015/02/11</h3>
<p>
<small>Created by <a href="http://duboue.net">Pablo Duboue</a> / <a href="http://twitter.com/pabloduboue">@pabloduboue</a></small>
</p>
</section>
<section>
<h2>What is NLG</h2>
<p>Natural Language Generation</p>
<p class="fragment">The <i>other</i> NLP</p>
<p class="fragment">Decisions, decisions, decisions</p>
<p class="fragment">Continuous enrichment</p>
</section>
<section>
<h2>Pablo Duboue</h2>
<p>My <a href="http://duboue.net/thesis">thesis</a> (defended ten years ago!) was in Machine Learning for NLG. I worked in two full NLG systems:</p>
<ul>
<li>MAGIC, a bypass surgery report system written in LISP.</li>
<li><a href="http://duboue.net/papers/ISI2003biographies/">ProGenIE</a>, a biography generator written in Java.</li>
</ul>
<p>Even though I gravitated towards ML and IR, <a
href="https://scholar.google.ca/citations?user=Exngg_MAAAAJ">half
my papers</a> are in NLG and I'm coming back to the
field. (I recently run for a <a
href="http://www.siggen.org/election-results-2014.html">position
in the board</a> of <a
href="http://www.siggen.org/">SIGGEN</a>.)</p>
</section>
<section>
<section>
<h2>Standard Pipeline</h2>
<p><small>Adapted from <a
href="https://code.google.com/p/simplenlg/wiki/AppendixA">https://code.google.com/p/simplenlg/wiki/AppendixA</a></small></p>
<center><img style="height:auto; width:auto; max-width:500px; max-height:500px;" src="NLG_Arch.png" /> </center>
<!-- p>Many NLG systems consist of 3 components which are
connected together in a pipeline. i.e. the output of
document planning acts as input to microplanning and the
output of the microplanner is the input to the surface
realiser. The table below briefly outlines the different
components of an NLG system and the shaded portion shows
which tasks simplenlg performs. </p -->
</section>
<section>
<center><img style="height:auto; width:auto; max-width:600px; max-height:600px;" src="simplenlg_table5.png" /> </center>
</section>
<section>
<h2>Document Planner</h2>
<p><strong>content determination</strong> decides what
information will appear in the output text. This depends
on what your goal is, who the audience is, what sort of
input information is available to you in the first place
and other constraints such as allowed text length.
</p>
<p><strong>document structuring</strong> decides how
chunks of content should be grouped in a document, how
to relate these groups to each other and in what order
they should appear. For instance, when describing last
month’s weather, you might talk first about temperature,
then rainfall. Or you might start off generally talking
about the weather and then provide specific weather
events that occurred during the month.
</p>
<p><a href="http://openschema.sf.net">OpenSchema</a> performs both tasks.</p>
</section>
<section>
<h2>Microplanner</h2>
<p><strong>lexicalization</strong> decides what specific
words should be used to express the content. <small>For
example, the actual nouns, verbs, adjectives and adverbs
to appear in the text are chosen from a
lexicon. Particular syntactic structures are chosen as
well. For example you can say ‘the car owned by Mary’ or
you might prefer the phrase ‘Mary’s car’.</small>
</p>
<p><strong>referring expressions</strong> decides which
expressions should be used to refer to entities (both
concrete and abstract). The same entity can be referred
to in many ways. <small>For example March of last year can be
referred to as:</small>
<ul>
<li><tt>March 2014</tt></li>
<li><tt>March</tt> </li>
<li><tt>March of the previous year</tt></li>
<li><tt>it</tt> </li>
</ul>
</p>
</section>
<section>
<h2>Microplanner</h2>
<p><strong>aggregation</strong> decides how the structures
created by document planning should be mapped onto
linguistic structures such as sentences and
paragraphs. For instance, two ideas can be expressed in
two sentences or in one:
</p>
<blockquote> The month was cooler than average.The month
was drier than average.</blockquote>
<p> vs. </p>
<blockquote>The month was cooler and drier than average.</blockquote>
</section>
<section>
<h2>Surface Realiser</h2>
<p><strong>linguistic realisation</strong> uses rules of
grammar (about morphology and syntax) to convert abstract
representations of sentences into actual text.
</p>
<p><strong>structure realization</strong> converts
abstract structures such as paragraphs and sentences into
mark-up symbols which are used to display the text.
</p>
<p><a href="https://code.google.com/p/simplenlg/">SimpleNLG</a> performs the last part, namely surface
realisation.
</p>
</section>
</section>
<section>
<section>
<h2>Statistical Reports</h2>
<p><a href="http://www.iro.umontreal.ca/~fasciano/recherche/postgraphe/article-INLG96.pdf"><tt>PostGraphe</tt></a>, a system developed as part of <br/> <a href="https://ca.linkedin.com/in/massimofasciano">Dr. Fasciano</a>'s <a href="http://rali.iro.umontreal.ca/rali/sites/default/files/publis/these.pdf">thesis</a> at <a href="http://rali.iro.umontreal.ca/rali/fr">UdeM</a></p>
<p>Basic intentions covered in <tt>PostGraphe</tt>:</p>
<ul>
<li>The presentation of a variable</li>
<li>The comparison of variables or sets of variables</li>
<li>The evolution of a variable along another one</li>
<li>The correlation of variables</li>
<li>The distribution of a variable over another one</li>
</ul>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="postgraphe-fig1.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="postgraphe-fig2.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="postgraphe-fig6.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="postgraphe-fig11.png" /> </center>
</section>
</section>
<section>
<section>
<h2>OpenSchema</h2>
<p>
<a href="http://openschema.sf.net">OpenSchema</a> takes
care of <b>selecting what to say</b> and <b>structuring
the selected information</b>. This is achieved by going
executing an <a
href="http://en.wikipedia.org/wiki/Augmented_transition_network">augmented
transition network (ATN)</a>, which for the purposes of
this software package it is a grammar for a regular
language (think regular expressions) over discourse
predicates defined also as part of the schema itself.
</p>
</section>
<section>
<h2>Input: RDF</h2>
<p>RDF is a graph description notation used in the Semantic Web.</p>
<center><img style="height:auto; width:auto; max-width:800px; max-height:600px;" src="kb-as-graph.png" /> </center>
</section>
<section>
<h2>Output: Clauses</h2>
<p>
The output of the OpenSchemaPlanner is a <a
href="http://openschema.sourceforge.net/javadoc/net/sf/openschema/DocumentPlan.html">DocumentPlan</a>,
which contains a list of paragraphs, each of which is a
list of aggregation segments. Finally, an aggregation
segment is a list of clauses, where each clause is a
hierarchical attribute-value matrix, represented as a
java Map from Strings to Object.
</p>
</section>
<section>
<h2>Schema</h2>
<pre>
schema biography(self: c-person)
; name of the schema 'biography'
; self is the person the bio is about, required
; first paragraph, the person
plus
pred-person(person|self)
optional
pred-birth(person|self)
star ; zero or more aliases
pred-alias(person|self)
star ; zero or more parents
choice
pred-father(self|self,parent|parent)
pred-mother(self|self,parent|parent)
star
pred-person(person|parent)
star ; zero or more education
pred-education(person|self)
paragraph-boundary
</pre>
</section>
<section>
<h2>Predicates</h2>
<pre>
predicate pred-person
variables
req def person : c-person
occupation : c-occupation
properties ; properties that the variables have to hold
occupation == person.occupation
output
; use this for template generation
template "{{name-first}} {{name-last}} is a {{occupation}}. "
name-first person.name.first-name
name-last person.name.last-name
occupation occupation.#TYPE
; use this preds for SimpleNLG
pred attributive
pred0 person
pred1 occupation
</pre>
</section>
</section>
<section>
<section>
<h2>SimpleNLG</h2>
<p><small>Tutorial, adapted from
<a href="https://code.google.com/p/simplenlg/wiki/Tutorial">https://code.google.com/p/simplenlg/wiki/Tutorial</a></small></p>
<p>
<pre><code class="java">
Lexicon lexicon = Lexicon.getDefaultLexicon();
NLGFactory nlgFactory = new NLGFactory(lexicon);
Realiser realiser = new Realiser(lexicon);
NLGElement s1 =
nlgFactory.createSentence("my dog is happy");
String output = realiser.realiseSentence(s1);
System.out.println(output);
</code></pre>
<blockquote>My dog is happy.</blockquote>
</p>
</section>
<section>
<p>
<pre><code class="java">
SPhraseSpec p = nlgFactory.createClause();
p.setSubject("Mary");
p.setVerb("chase");
p.setObject("the monkey");
String output = realiser.realiseSentence(p);
System.out.println(output);
</code></pre>
<blockquote>Mary chase the monkey.</blockquote>
</p>
</section>
<section>
<p>
<pre><code class="java">
NPPhraseSpec subject1 =
nlgFactory.createNounPhrase("Mary");
NPPhraseSpec subject2 =
nlgFactory.createNounPhrase("your", "giraffe");
CoordinatedPhraseElement subj =
nlgFactory.createdCoordinatedPhrase(subject1, subject2);
p.setSubject(subj);
</code></pre>
<blockquote>Mary and your giraffe chase the monkey.</blockquote>
</p>
</section>
<section>
<p>
<pre><code class="java">
NPPhraseSpec object1 =
nlgFactory.createNounPhrase("the monkey");
NPPhraseSpec object2 =
nlgFactory.createNounPhrase("George");
CoordinatedPhraseElement obj =
nlgFactory.createdCoordinatedPhrase(object1, object2);
obj.addCoordinate("Martha");
p.setObject(obj);
obj.setFeature(Feature.CONJUNCTION, "or");
</code></pre>
<blockquote>Mary and your giraffe chase the monkey, George or Martha.</blockquote>
</p>
</section>
<section>
<p>
<pre><code class="java">
p.setFeature(Feature.TENSE, Tense.FUTURE);
p.setFeature(Feature.NEGATED, true);
</code></pre>
<blockquote>Mary will not chase the monkey.</blockquote>
</p>
</section>
</section>
<section>
<h2>In-between</h2>
<p>
Going from the OpenSchema predicates to SimpleNLG class:
<ul>
<li>Aggregation</li>
<li>Lexicalization</li>
</ul>
</p>
<p><b>Coming soon</b></p>
</section>
<!-- section>
<h2>Hands-on Tutorial</h2>
<p>...</p>
</section -->
<section>
<h2>Data Visualization</h2>
<p>Dimensionality reduction</p>
<p>What is missing?</p>
<p>Capturing generalizations</p>
</section>
<section>
<section>
<h2>Thoughtland</h2>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="architecture.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="poster-2.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="poster-3.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="poster-6.png" /> </center>
</section>
<section>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="poster-7.png" /> </center>
</section>
<section>
<h2>Website</h2>
<center><img style="height:auto; width:auto; max-width:1200px; max-height:600px;" src="website.png" /> </center>
</section>
</section>
<section>
<section>
<h2>Wrap-up</h2>
<p>Do you want to learn more?</p>
<p>I have here the material for my NLG class from 2011.<br/>
(A graduate level, semester long course.)</p>
<p><a href="http://wiki.duboue.net/index.php/2011_FaMAF_Intro_to_NLG">http://wiki.duboue.net/index.php/2011_FaMAF_Intro_to_NLG</a></p>
</section>
<section>
<h2>Data Science Córdoba</h2>
<p><a href="http://datasciencecordoba.net">http://datasciencecordoba.net</a></p>
<p>Lessons learned:
<ul>
<li>Visiting companies is a great idea.</li>
<li>Publishing Linked-In roosters.</li>
</ul>
</p>
</section>
</section>
<section>
<h1>FIN</h1>
<p>Keep in touch with Pablo at:<p>
<ul>
<li><a href="http://duboue.net">http://duboue.net</a></li>
<li><a href="https://github.com/DrDub">DrDub @ GitHub</a></li>
<li><a href="https://twitter.com/pabloduboue">pabloduboue @ Twitter</a></li>
<li><a href="https://linkedin.com/in/pabloduboue">pabloduboue @ LinkedIn</a></li>
</ul>
</p>
</section>
<!-- section>
<h2>Hello There</h2>
<p>
reveal.js enables you to create beautiful interactive slide decks using HTML. This presentation will show you examples of what it can do.
</p>
</section>
<section>
<section>
<h2>Vertical Slides</h2>
<p>Slides can be nested inside of each other.</p>
<p>Use the <em>Space</em> key to navigate through all slides.</p>
<br>
<a href="#" class="navigate-down">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
</a>
</section>
<section>
<h2>Basement Level 1</h2>
<p>Nested slides are useful for adding additional detail underneath a high level horizontal slide.</p>
</section>
<section>
<h2>Basement Level 2</h2>
<p>That's it, time to go back up.</p>
<br>
<a href="#/2">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Up arrow" style="-webkit-transform: rotate(180deg);">
</a>
</section>
</section>
<section>
<h2>Slides</h2>
<p>
Not a coder? Not a problem. There's a fully-featured visual editor for authoring these, try it out at <a href="http://slides.com" target="_blank">http://slides.com</a>.
</p>
</section>
<section>
<h2>Point of View</h2>
<p>
Press <strong>ESC</strong> to enter the slide overview.
</p>
<p>
Hold down alt and click on any element to zoom in on it using <a href="http://lab.hakim.se/zoom-js">zoom.js</a>. Alt + click anywhere to zoom back out.
</p>
</section>
<section>
<h2>Touch Optimized</h2>
<p>
Presentations look great on touch devices, like mobile phones and tablets. Simply swipe through your slides.
</p>
</section>
<section data-markdown>
<script type="text/template">
## Markdown support
Write content using inline or external Markdown.
Instructions and more info available in the [readme](https://github.com/hakimel/reveal.js#markdown).
```
<section data-markdown>
## Markdown support
Write content using inline or external Markdown.
Instructions and more info available in the [readme](https://github.com/hakimel/reveal.js#markdown).
</section>
```
</script>
</section>
<section>
<section id="fragments">
<h2>Fragments</h2>
<p>Hit the next arrow...</p>
<p class="fragment">... to step through ...</p>
<p><span class="fragment">... a</span> <span class="fragment">fragmented</span> <span class="fragment">slide.</span></p>
<aside class="notes">
This slide has fragments which are also stepped through in the notes window.
</aside>
</section>
<section>
<h2>Fragment Styles</h2>
<p>There's different types of fragments, like:</p>
<p class="fragment grow">grow</p>
<p class="fragment shrink">shrink</p>
<p class="fragment roll-in">roll-in</p>
<p class="fragment fade-out">fade-out</p>
<p class="fragment current-visible">current-visible</p>
<p class="fragment highlight-red">highlight-red</p>
<p class="fragment highlight-blue">highlight-blue</p>
</section>
</section>
<section id="transitions">
<h2>Transition Styles</h2>
<p>
You can select from different transitions, like: <br>
<a href="?transition=none#/transitions">None</a> -
<a href="?transition=fade#/transitions">Fade</a> -
<a href="?transition=slide#/transitions">Slide</a> -
<a href="?transition=convex#/transitions">Convex</a> -
<a href="?transition=concave#/transitions">Concave</a> -
<a href="?transition=zoom#/transitions">Zoom</a>
</p>
</section>
<section id="themes">
<h2>Themes</h2>
<p>
reveal.js comes with a few themes built in: <br>
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/black.css'); return false;">Black (default)</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/white.css'); return false;">White</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/league.css'); return false;">League</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/sky.css'); return false;">Sky</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/beige.css'); return false;">Beige</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/simple.css'); return false;">Simple</a> <br>
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/serif.css'); return false;">Serif</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/night.css'); return false;">Night</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/moon.css'); return false;">Moon</a> -
<a href="#" onclick="document.getElementById('theme').setAttribute('href','css/theme/solarized.css'); return false;">Solarized</a>
</p>
</section>
<section>
<section data-background="#dddddd">
<h2>Slide Backgrounds</h2>
<p>
Set <code>data-background="#dddddd"</code> on a slide to change the background color. All CSS color formats are supported.
</p>
<a href="#" class="navigate-down">
<img width="178" height="238" data-src="https://s3.amazonaws.com/hakim-static/reveal-js/arrow.png" alt="Down arrow">
</a>
</section>
<section data-background="https://s3.amazonaws.com/hakim-static/reveal-js/image-placeholder.png">
<h2>Image Backgrounds</h2>
<pre><code><section data-background="image.png"></code></pre>
</section>
<section data-background="https://s3.amazonaws.com/hakim-static/reveal-js/image-placeholder.png" data-background-repeat="repeat" data-background-size="100px">
<h2>Tiled Backgrounds</h2>
<pre><code style="word-wrap: break-word;"><section data-background="image.png" data-background-repeat="repeat" data-background-size="100px"></code></pre>
</section>
<section data-background-video="https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.mp4,https://s3.amazonaws.com/static.slid.es/site/homepage/v1/homepage-video-editor.webm" data-background-color="#000000">
<div style="background-color: rgba(0, 0, 0, 0.9); color: #fff; padding: 20px;">
<h2>Video Backgrounds</h2>
<pre><code style="word-wrap: break-word;"><section data-background-video="video.mp4,video.webm"></code></pre>
</div>
</section>
</section>
<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
<h2>Background Transitions</h2>
<p>
Different background transitions are available via the backgroundTransition option. This one's called "zoom".
</p>
<pre><code>Reveal.configure({ backgroundTransition: 'zoom' })</code></pre>
</section>
<section data-transition="slide" data-background="#b5533c" data-background-transition="zoom">
<h2>Background Transitions</h2>
<p>
You can override background transitions per-slide.
</p>
<pre><code style="word-wrap: break-word;"><section data-background-transition="zoom"></code></pre>
</section>
<section>
<h2>Pretty Code</h2>
<pre><code data-trim contenteditable>
function linkify( selector ) {
if( supports3DTransforms ) {
var nodes = document.querySelectorAll( selector );
for( var i = 0, len = nodes.length; i < len; i++ ) {
var node = nodes[i];
if( !node.className ) {
node.className += ' roll';
}
}
}
}
</code></pre>
<p>Code syntax highlighting courtesy of <a href="http://softwaremaniacs.org/soft/highlight/en/description/">highlight.js</a>.</p>
</section>
<section>
<h2>Marvelous List</h2>
<ul>
<li>No order here</li>
<li>Or here</li>
<li>Or here</li>
<li>Or here</li>
</ul>
</section>
<section>
<h2>Fantastic Ordered List</h2>
<ol>
<li>One is smaller than...</li>
<li>Two is smaller than...</li>
<li>Three!</li>
</ol>
</section>
<section>
<h2>Tabular Tables</h2>
<table>
<thead>
<tr>
<th>Item</th>
<th>Value</th>
<th>Quantity</th>
</tr>
</thead>
<tbody>
<tr>
<td>Apples</td>
<td>$1</td>
<td>7</td>
<tr>
<tr>
<td>Lemonade</td>
<td>$2</td>
<td>18</td>
<tr>
<tr>
<td>Bread</td>
<td>$3</td>
<td>2</td>
<tr>
</tbody>
</table>
</section>
<section>
<h2>Clever Quotes</h2>
<p>
These guys come in two forms, inline: <q cite="http://searchservervirtualization.techtarget.com/definition/Our-Favorite-Technology-Quotations">
“The nice thing about standards is that there are so many to choose from”</q> and block:
</p>
<blockquote cite="http://searchservervirtualization.techtarget.com/definition/Our-Favorite-Technology-Quotations">
“For years there has been a theory that millions of monkeys typing at random on millions of typewriters would
reproduce the entire works of Shakespeare. The Internet has proven this theory to be untrue.”
</blockquote>
</section>
<section>
<h2>Intergalactic Interconnections</h2>
<p>
You can link between slides internally,
<a href="#/2/3">like this</a>.
</p>
</section>
<section>
<h2>Speaker View</h2>
<p>There's a <a href="https://github.com/hakimel/reveal.js#speaker-notes">speaker view</a>. It includes a timer, preview of the upcoming slide as well as your speaker notes.</p>
<p>Press the <em>S</em> key to try it out.</p>
<aside class="notes">
Oh hey, these are some notes. They'll be hidden in your presentation, but you can see them if you open the speaker notes window (hit 's' on your keyboard).
</aside>
</section>
<section>
<h2>Export to PDF</h2>
<p>Presentations can be <a href="https://github.com/hakimel/reveal.js#pdf-export">exported to PDF</a>, here's an example:</p>
<iframe src="//www.slideshare.net/slideshow/embed_code/42840540" width="445" height="355" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:3px solid #666; margin-bottom:5px; max-width: 100%;" allowfullscreen> </iframe>
</section>
<section>
<h2>Global State</h2>
<p>
Set <code>data-state="something"</code> on a slide and <code>"something"</code>
will be added as a class to the document element when the slide is open. This lets you
apply broader style changes, like switching the page background.
</p>
</section>
<section data-state="customevent">
<h2>State Events</h2>
<p>
Additionally custom events can be triggered on a per slide basis by binding to the <code>data-state</code> name.
</p>
<pre><code class="javascript" data-trim contenteditable style="font-size: 18px;">
Reveal.addEventListener( 'customevent', function() {
console.log( '"customevent" has fired' );
} );
</code></pre>
</section>
<section>
<h2>Take a Moment</h2>
<p>
Press B or . on your keyboard to pause the presentation. This is helpful when you're on stage and want to take distracting slides off the screen.
</p>
</section>
<section>
<h2>Much more</h2>
<ul>
<li>Right-to-left support</li>
<li><a href="https://github.com/hakimel/reveal.js#api">Extensive JavaScript API</a></li>
<li><a href="https://github.com/hakimel/reveal.js#auto-sliding">Auto-progression</a></li>
<li><a href="https://github.com/hakimel/reveal.js#parallax-background">Parallax backgrounds</a></li>
<li><a href="https://github.com/hakimel/reveal.js#keyboard-bindings">Custom keyboard bindings</a></li>
</ul>
</section>
<section style="text-align: left;">
<h1>THE END</h1>
<p>
- <a href="http://slides.com">Try the online editor</a> <br>
- <a href="https://github.com/hakimel/reveal.js">Source code & documentation</a>
</p>
</section -->
</div>
</div>
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.js"></script>
<script>
// Full list of configuration options available at:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: true,
progress: true,
history: true,
center: true,
transition: 'slide', // none/fade/slide/convex/concave/zoom
// Optional reveal.js plugins
dependencies: [
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