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index.xml
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<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<title>Personal GitHub Pages on Personal GitHub Pages</title>
<link>/</link>
<description>Recent content in Personal GitHub Pages on Personal GitHub Pages</description>
<generator>Hugo -- gohugo.io</generator>
<language>en-us</language>
<copyright>&copy; 2019</copyright>
<lastBuildDate>Thu, 24 Jan 2019 00:00:00 +0100</lastBuildDate>
<atom:link href="/" rel="self" type="application/rss+xml" />
<item>
<title>Open Data</title>
<link>/presentations/open-data/</link>
<pubDate>Thu, 24 Jan 2019 00:00:00 +0100</pubDate>
<guid>/presentations/open-data/</guid>
<description></description>
</item>
<item>
<title>Brno Data</title>
<link>/presentations/brno-data/</link>
<pubDate>Thu, 24 Jan 2019 00:00:00 +0100</pubDate>
<guid>/presentations/brno-data/</guid>
<description></description>
</item>
<item>
<title>Brno Data</title>
<link>/slides/brno-data/</link>
<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
<guid>/slides/brno-data/</guid>
<description>
<h1 id="brno-data">Brno Data</h1>
<div class="hashtag-brno2050" style="font-family: Hashtag; font-size: 4rem;">
<a href="https://www.instagram.com/explore/tags/brno2050/"> #brno2050 </a>
</div>
<div class="slides-nav" style="margin-top: 7%;">
<div class="goto prev fig-col">
<div class="fig-img">
<span style="font-size: $icon_size; color: Tomato; width: 30%;" >
<a href='/slides/open-data/'>
<i class="fas fa-backward"></i>
</a>
</span>
</div>
<div class="fig-caption">
<a style="font-size: 0.7em;" href='/slides/open-data/'>Open Data</a>
</div>
</div>
<div class="goto next fig-col">
<div class="fig-img">
<span style="font-size: $icon_size; color: Tomato; width: 30%;" >
<a href='/'>
<i class="fas fa-home"></i>
</a>
</span>
</div>
<div class="fig-caption">
<a style="font-size: 0.7em;" href='/'>Home</a>
</div>
</div>
<div class="goto next fig-col">
<div class="fig-img">
<span style="font-size: $icon_size; color: Tomato; width: 30%;" >
<a href='/home/contact/'>
<i class="fas fa-forward"></i>
</a>
</span>
</div>
<div class="fig-caption">
<a style="font-size: 0.7em;" href='/home/contact/'>Contact</a>
</div>
</div>
</div>
<hr />
<section data-noprocess data-shortcode-slide
class="align-center"
>
<h2 id="what-is-data-brno">What is DATA.BRNO?</h2>
<span class="fragment " >
<p><a href="https://data.brno.cz/en/" target="_blank">DATA.BRNO.cz</a> is an open platform for sharing data of the city of Brno.</p>
</span>
<span class="fragment " >
<p>This portal is designed to be used by public including citizens, entrepreneurs, students, researchers and professionals, as well as journalists and developers.</p>
</span>
<hr />
<section data-noprocess data-shortcode-slide
class="align-center"
>
<h2 id="why">WHY?</h2>
<span class="fragment " >
<p>Data is our <em>&ldquo;new urban wealth&rdquo;</em> and we need to use it to full capacity.</p>
</span>
<hr />
<section data-noprocess data-shortcode-slide
class="align-center"
>
<h2 id="where-data-comes-from">Where data comes from?</h2>
<span class="fragment " >
<p>Data are mainly collected by the city itself, and by the city companies and other providers.</p>
</span>
<hr />
<section data-noprocess data-shortcode-slide
class="align-center"
>
<h2 id="what">WHAT?</h2>
<div id="brno-data-gallery" class="fig-gallery">
<div class="fig-row">
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-ekonomika_trh_prace.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Economy</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-zdravi_zivotni_prostredi.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Health &amp; Environment</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-doprava.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Transport</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-lide_bydleni.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">People &amp; Housing</div></p>
</span>
</div>
<div class="fig-row">
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-vzdelani.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Education</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-technicka_infrastruktura.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Infrastructure</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-bezpecnost.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">Safety</div></p>
</span>
<span class="fragment " >
<p><div class="fig-img"></p>
<p><figure></p>
<p><img src="/img/icon-mesto.png" alt="Image source: https://data.brno.cz/en/" /></p>
<p></figure>
</div>
<div class="fig-caption">City</div></p>
</span>
</div>
</div>
<span class="fragment " >
<blockquote>
<p>💡 You can find not only datasets but also several useful apps and articles.</p>
</blockquote>
</span>
<hr />
<section data-shortcode-section>
<h2 id="words-of-pride">Words of pride</h2>
<hr />
<h3 id="step-in-the-right-direction">Step in the right direction</h3>
<div class="hashtag-brno2050" style="font-family: Hashtag; font-size: 4rem;">
<a href="https://www.instagram.com/explore/tags/brno2050/"> #brno2050 </a>
</div>
<hr />
<h3 id="the-dashboard">The dashboard</h3>
<div class="fig-img">
<figure>
<img src="/img/brno-data-dashboard.png" alt="Image source: https://data.brno.cz/en/" />
</figure>
</div>
<hr />
<h3 id="responsive-and-helpful-administrators">Responsive and helpful administrators</h3>
</section>
<hr />
<section data-shortcode-section>
<h3 id="words-of-criticism">Words of criticism</h3>
<hr />
<h3 id="the-5-standards-are-not-always-met">The 5★ standards are not always met</h3>
<hr />
<h3 id="data-distribution-could-be-better">Data distribution could be better</h3>
<div class="fig-img">
<span class="fragment " >
<figure>
<img src="/img/brno-data-distribution.png" />
</figure>
</span>
</div>
<hr />
<pre><code class="language-R">library(tidyverse)
dat &lt;- readxl::read_xlsx(&quot;datasets/brno_data/criminality/raw/trestni_cinnost_2016.xlsx&quot;)
colnames(dat)
</code></pre>
<pre><code class="language-R"># &gt; [1] &quot;Útvar městské části (okres) PČR&quot;
# &gt; [2] &quot;Základní útvar PČR, kde došlo k činu&quot;
# &gt; [3] &quot;Stadium TČ, 1-příparava, 2-pokus, 3-dokonaný&quot;
# &gt; [4] &quot;Druh TČ, 11-zločin, 18-přečin&quot;
# &gt; [5] &quot;Takticko-statistická klasifikace činu&quot;
# &gt; [6] &quot;Spácháno na ulici-1, ne-2&quot;
# &gt; [7] &quot;Čin spáchán na : viz číselník&quot;
# &gt; [8] &quot;Použití zbraně : viz číselník&quot;
# &gt; [9] &quot;Druh použité zbraně : viz číselník&quot;
# &gt; [10] &quot;Datum spáchání činu, či zahájení konání&quot;
# &gt; [11] &quot;Datum ukončení konání činu (pokud jiné datum)&quot;
# &gt; [12] &quot;Předmět zájmu pachatele č. 1&quot;
# &gt; [13] &quot;Předmět zájmu pachatele nebo vztah pachatele k oběti - text&quot;
# &gt; [14] &quot;Předmět zájmu pachatele č. 2&quot;
# &gt; [15] &quot;Předmět zájmu pachatele nebo vztah pachatele k oběti - text__1&quot;
# &gt; [16] &quot;Předmět zájmu pachatele č. 3&quot;
# &gt; [17] &quot;Předmět zájmu pachatele nebo vztah pachatele k oběti - text__2&quot;
# &gt; [18] &quot;Celková způsobená škoda v Kč&quot;
# &gt; [19] &quot;Hlavní kvalifikace činu - paragraf TZ&quot;
# &gt; [20] &quot;První odstavec&quot;
# &gt; [21] &quot;Druhý odstavec&quot;
# &gt; [22] &quot;Souběhový paragraf&quot;
# &gt; [23] &quot;Odstavec souběhu&quot;
# &gt; [24] &quot;Druhý souběhový paragraf&quot;
# &gt; [25] &quot;Odstavec souběhu__1&quot;
# &gt; [26] &quot;Datum zahájení trestního řízení&quot;
# &gt; [27] &quot;Datum ukončení trestního řízení&quot;
# &gt; [28] &quot;Způsob ukončení trestního řízení&quot;
# &gt; [29] &quot;Způsob ukončení trestního řízení - text (kde je kód \&quot;0\&quot; tam ještě řízení nemusí být ukončeno&quot;
</code></pre>
<hr />
<h3 id="poor-ontology-schema-or-inconsistency-in-data">Poor ontology / schema or inconsistency in data</h3>
<p><span class="fragment " >
<pre><code class="language-R">dat$`Předmět.zájmu.pachatele.nebo.vztah.pachatele.k.oběti&hellip;text` %&gt;%
factor() %&gt;%
levels()
</code></pre></p>
<pre><code class="language-R"># &gt; [1] &quot;airbagy&quot; &quot;antiradary&quot;
# &gt; [3] &quot;bankomaty&quot; &quot;barevné kovy,výrobky a odpad z nich&quot;
# &gt; [5] &quot;bez vztahu&quot; &quot;bílé rase&quot;
# &gt; [7] &quot;bižuterie&quot; &quot;bratr&quot;
# &gt; ...
# &gt; [23] &quot;dítě ve vzdál.poměru (synovec,neteř...)&quot; &quot;dítě ve vzt. ke známé osobě (soused,známý)&quot;
# &gt; [25] &quot;dítě ve vztahu spolužáka,kamaráda&quot; &quot;dítě,kde jeden z rodičů je druh-družka,přítel&quot;
# &gt; ....
# &gt; [95] &quot;manžel&quot; &quot;manželka&quot;
# &gt; [97] &quot;masné konzervy a hotová jídla v konzervách&quot; &quot;matka&quot;
# &gt; ....
# &gt; [115] &quot;nátěrové hmoty,latexy,klihy,lepidla,barviva&quot; &quot;nic&quot;
# &gt; .....
# &gt; [145] &quot;ostatní - zásilky a přepravované věci&quot; &quot;ostatní - zbraně /mimo historických/&quot;
# &gt; [147] &quot;ostatní - zemědělské výrobky a výr. těžby dřeva&quot; &quot;ostatní - zvířectvo včetně včelstva&quot;
# &gt; [149] &quot;ostatní -osobní doklady a předtisky&quot; &quot;ostatní -starožitnosti, umělecké předměty&quot;
# &gt; [151] &quot;ostatní -tabákové výrobky&quot; &quot;ostatní (kopie filmů,hračky,společen.hry)&quot;
# &gt; .....
# &gt; [243] &quot;vniknutí do obydlí za užití lsti - útoky na senior&quot; &quot;výbušniny a pyrotech. výrobky&quot;
# &gt; .....
# &gt; [261] &quot;zlato zpracované a klenoty,šperky&quot; &quot;žlutohnědé rase / indiáni, asiati, australští dom.&quot;
# &gt; [263] &quot;zobrazovací zařízení /terminál,monitor/&quot; &quot;zvěř spárkatá /tuzemská/&quot;
</code></pre>
<p></span></p>
<hr />
<h3 id="still-not-enough-data">Still not enough data</h3>
<p>I.e., data that is expected to be present, is not:</p>
<ul>
<li>city state reports in machine-readable format</li>
<li>population data</li>
<li>transport data</li>
<li>urban grid (?)</li>
<li>shapefiles</li>
</ul>
<hr />
<h3 id="important-data-not-available-in-machine-readable-format">Important data not available in machine readable format</h3>
<div class="fig-img">
<span class="fragment " >
<figure>
<img src="/img/brno-data-pdf.png" />
</figure>
</span>
</div>
<hr />
<h3 id="sometimes-too-user-friendly">Sometimes, too <em>&ldquo;user friendly&rdquo;</em></h3>
<div class="fig-img">
<span class="fragment " >
<figure>
<img src="/img/brno-data-user-friendly.png" />
</figure>
</span>
</div>
<hr />
<h3 id="dashboard-applications-built-on-proprietary-software-esri-https-www-esri-com-en-us-home0">Dashboard Applications built on proprietary software (<a href="https://www.esri.com/en-us/home0" target="_blank">ESRI</a>)</h3>
<hr />
<h3 id="most-of-the-data-available-in-czech-language-only">Most of the data available in Czech language only</h3>
<hr />
<h3 id="hard-to-navigate-from-applications-to-datasets">Hard to navigate from applications to datasets</h3>
</section>
<hr />
<h2 id="call-to-arms">Call to arms</h2>
<p>Go to <a href="https://data.brno.cz/" target="_blank">DATA.BRNO</a>, and:</p>
<ul>
<li>take a look at the apps</li>
<li>see which data sets are offered</li>
<li>take your time to explore and <em>play</em> with the data</li>
</ul>
<span class="fragment " >
<p><br>
and most importantly:</p>
</span>
<span class="fragment " >
<ul>
<li>give your <a href="https://data.brno.cz/feedback/" target="_blank">feedback</a> if something is (not) right</li>
</ul>
</span>
<hr />
<h2 id="faq">FAQ</h2>
<hr />
<h1 id="thank-you">Thank You!</h1>
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<h2 id="resources">Resources</h2>
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<title>Open Data</title>
<link>/slides/open-data/</link>
<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
<guid>/slides/open-data/</guid>
<description>
<!-- source: https://opendata.gov.cz/informace:start -->
<h1 id="open-data">Open Data</h1>
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<hr />
<h2 id="definition">Definition</h2>
<p>Open data is according to the <a href="https://www.zakonyprolidi.cz/cs/1999-106#p3-11" target="_blank">§ 3 odst. 11 zákona č. <sup>106</sup>&frasl;<sub>1999</sub> Sb. o svobodném přístupu
k informacím</a>:</p>
<blockquote>
<p>Information published such that it allows for remote access in open, <strong>machine-readable format</strong> which purpose and further usage is <strong>in no way limited</strong> and which is <strong>registered</strong> in national open data catalogue.</p>
</blockquote>
<hr />
<h2 id="requirements">Requirements</h2>
<p>The following requirements <strong>must</strong> be met:</p>
<ul>
<li>Availability in convenient machine-readable open format</li>
<li>Access is not restricted or conditioned (ie., by registration) and reuse is permitted</li>
<li>Registered in national open data catalogue with direct data links</li>
<li>Curated, contact to the curator is provided for feedback or requests</li>
<li>Documentation</li>
<li>Actuality</li>
</ul>
<hr />
<h2 id="requirements">Requirements</h2>
<figure>
<img src="/img/open-data-requirements.png" alt="Image source: https://www.webfirst.com/services/open-data-solutions" />
</figure>
<hr />
<h2 id="what-is-not-open-data">What is <em>not</em> Open Data?</h2>
<ul>
<li>Web service with limited access number</li>
<li>Data in PDF format</li>
<li>Data in XLS print-formated</li>
<li>Data in pseudo-CSV (like TSV), ie. non-standard format</li>
</ul>
<hr />
<h2 id="5-open-data">5★ Open Data</h2>
<aside class="notes"><p><ul>
<li>stage 1 - data is accessible on the internet with specific usage conditions</li>
<li>stage 2 - data is in machine-readable format</li>
<li>stage 3 - data is in <em>open</em> machine-readable format, that is with open specification</li>
<li>stage 4:</p>
<ul>
<li>IRI (Internetional Resource Identifier) entities in the data,</li>
<li>example: distribution of books should have entities like author, or publisher accompanied by IRI specificator</li>
</ul></li>
<li>stage 5:
<ul>
<li>data follows <em>Linked data</em> format, that is a structured data which can be interlinked to become more useful through semantic queries.</li>
<li>builds upon standard Web technologies (HTTP, RDF)</li>
</ul></li>
</ul>
<p>Distribution of data: The way of opening op the data, concrete data format</p>
<p>Ontology (dictionary): conceptual schema of the data, defines classes and attributes that can be used in RDF</p>
<p>IRI: International Resource Identifier
RDF: Resource Distribution Framework</p>
</aside>
<figure>
<img src="/img/open-data-steps.png" alt="Image source: https://5stardata.info/cs/" />
</figure>
<blockquote>
<p>💡 Tip: Read more on <a href="https://5stardata.info/cs/" target="_blank">https://5stardata.info/cs/</a></p>
</blockquote>
<hr />
<aside class="notes"><blockquote>
<p>Note that we can consider data to be open-ish since the ★★★</p>
</blockquote>
</aside>
<h2 id="5-open-data">5★ Open Data</h2>
<span class="fragment " >
<p>★ make your stuff available on the Web (whatever format) under an open license ⚠</p>
</span>
<span class="fragment " >
<p>★★ make it available as structured data (e.g., Excel instead of image scan of a table) ⚠</p>
</span>
<span class="fragment " >
<p>★★★ make it available in a non-proprietary open format (e.g., CSV instead of Excel)</p>
</span>
<span class="fragment " >
<p>★★★★ use URIs to denote things, so that people can point at your stuff</p>
</span>
<span class="fragment " >
<p>★★★★★ link your data to other data to provide context</p>
</span>
<p><br></p>
<span class="fragment " >
<blockquote>
<p>⚠ Note that we can consider data to be open-ish since the ★★★</p>
</blockquote>
</span>
<hr />
<section data-noprocess data-shortcode-slide
class="no-list"
>
<section data-shortcode-section>
<p><h2 id="what-are-the-costs-benefits-of-web-data">What are the costs &amp; benefits of ★ Web data?</h2></p>
<hr />
<h4 id="as-a-consumer">As a consumer …</h4>
<ul>
<li>✔ You can look at it.</li>
<li>✔ You can print it.</li>
<li>✔ You can store it locally (on your hard drive or on an USB stick).</li>
<li>✔ You can enter the data into any other system.</li>
<li>✔ You can change the data as you wish.</li>
<li>✔ You can share the data with anyone you like.</li>
</ul>
<hr />
<h4 id="as-a-publisher">As a publisher …</h4>
<ul>
<li>✔ It’s simple to publish.</li>
<li>✔ You do not have explain repeatedly to others that they can use your data.</li>
</ul>
</section>
<hr />
<section data-noprocess data-shortcode-slide
class="no-list"
>
<section data-shortcode-section>
<p><h2 id="what-are-the-costs-benefits-of-web-data">What are the costs &amp; benefits of ★★ Web data?</h2></p>
<hr />
<h4 id="as-a-consumer">As a consumer …</h4>
<p>you can do all what you can do with ★ Web data and additionally:</p>
<ul>
<li>✔ You can directly process it with proprietary software to aggregate it, perform calculations, visualise it, etc.</li>
<li>✔ You can export it into another (structured) format.</li>
</ul>
<hr />
<h4 id="as-a-publisher">As a publisher …</h4>
<ul>
<li>✔ It’s still simple to publish.</li>
</ul>
</section>
<hr />
<section data-noprocess data-shortcode-slide
class="no-list"
>
<section data-shortcode-section>
<p><h2 id="what-are-the-costs-benefits-of-web-data">What are the costs &amp; benefits of ★★★ Web data?</h2></p>
<hr />
<h4 id="as-a-consumer">As a consumer …</h4>
<p>you can do all what you can do with ★★ Web data and additionally:</p>
<ul>
<li>✔ You can manipulate the data in any way you like, without the need to own any prorietary software package.</li>
</ul>
<hr />
<h4 id="as-a-publisher">As a publisher …</h4>
<ul>
<li>✔ It’s still rather simple to publish.</li>
<li>⚠ You might need converters or plug-ins to export the data from the proprietary format.</li>
</ul>
</section>
<hr />
<section data-noprocess data-shortcode-slide
class="no-list"
>
<section data-shortcode-section>
<p><h2 id="what-are-the-costs-benefits-of-web-data">What are the costs &amp; benefits of ★★★★ Web data?</h2></p>
<hr />
<h4 id="as-a-consumer">As a consumer …</h4>
<p>you can do all what you can do with ★★★ Web data and additionally:</p>
<ul>
<li>✔ You can link to it from any other place (on the Web or locally).</li>
<li>✔ You can bookmark it.</li>
<li>✔ You can reuse parts of the data.</li>
<li>✔ You may be able to reuse existing tools and libraries, even if they only understand parts of the pattern the publisher used.</li>
<li>✔ You can combine the data safely with other data. URIs are a global scheme so if two things have the same URI then it’s intentional, and if so that’s well on it’s way to being 5-star data!</li>
<li>⚠ Understanding the structure of an RDF “Graph” of data can be more effort than tabular (Excel/CSV) or tree (XML/JSON) data.</li>
</ul>
<hr />
<h4 id="as-a-publisher">As a publisher …</h4>
<ul>
<li>✔ You have fine-granular control over the data items and can optimise their access (load balancing, caching, etc.)</li>
<li>✔ Other data publishers can now link into your data, promoting it to 5 star!</li>
<li>⚠ You typically invest some time slicing and dicing your data.</li>
<li>⚠ You’ll need to assign URIs to data items and think about how to represent the data.</li>
<li>⚠ You need to either find existing patterns to reuse or create your own.</li>
</ul>
</section>
<hr />
<section data-noprocess data-shortcode-slide
class="no-list"
>
<section data-shortcode-section>
<p><h2 id="what-are-the-costs-benefits-of-web-data">What are the costs &amp; benefits of ★★★★★ Web data?</h2></p>
<hr />
<h4 id="as-a-consumer">As a consumer …</h4>
<p>you can do all what you can do with ★★★★ Web data and additionally:</p>
<ul>
<li>✔ You can discover more (related) data while consuming the data.</li>
<li>✔ You can directly learn about the data schema.</li>
<li>⚠ You now have to deal with broken data links, just like 404 errors in web pages.</li>
<li>⚠ Presenting data from an arbitrary link as fact is as risky as letting people include content from any website in your pages. Caution, trust and common sense are all still necessary.</li>
</ul>
<hr />