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Count of Tweets containing #HPC #GPU Hashtags

This trend is broken.

Error using xmlread (line 98)
Java exception occurred: 
java.io.FileNotFoundException: http://search.twitter.com/search.atom?q=%23hpc%20AND%20%23gpu&since=2013-06-11&rpp=100
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at java.net.URL.openStream(Unknown Source)
	at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
	at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
	at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)

493

data points

Error

Description:

Number of times #HPC #GPU hashtags appeared together on Twitter

  • #HPC = High Performance Computing
  • #GPU = Graphics Processing Unit

These hashtags are used together to cover technical computing topics in contrast to stand alone #GPU hashtag which often includes computer graphics acceleration topics and games.

Recently Collected Data (last 5 of 493) Show All Data

Time Recorded (time1369) Data (data1369)
12 Jun 2013 10:00:20 NaN
11 Jun 2013 10:00:19 [0]
10 Jun 2013 10:00:20 [0]
09 Jun 2013 10:00:19 [0]
08 Jun 2013 10:00:21 [1]
s = '%23hpc%20AND%20%23gpu'; % search query
d = datestr(now-1,29); % start from the day before
url = 'http://search.twitter.com/search.atom';
url = [url sprintf('?q=%s&since=%s&rpp=100',s,d)];

% Parse the atom feed into a DOM tree
doc = xmlread(url);
% Get all <entry> tags
entries = doc.getElementsByTagName('entry');
% Count the number of entry elements
updatetrend(entries.getLength)
Tags:

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