René Pickhardt on September 2nd, 2013

Archived; click post to view. Excerpt: It is almost 2 years over since I published my first ideas and works on graphity which is nowadays a collection of algorithms to support efficient storage and retrieval of more than 10k social activity streams per second. You know the typical application of twitter, facebook and co. Retrieve the [...]

Continue reading about Graphity Server for social activity streams released (GPLv3)

René Pickhardt on July 17th, 2013

Archived; click post to view. Excerpt: Being at FOSDEM 20013 Peter from Neo4j asked my if I would like to get a neo4j shirt send to my home adress. We have to keep in mind that i just moved back to Koblenz from China. I did not only move to Koblenz but I moved to [...]

Continue reading about Drug junkie steals my neo4j t-shirt out of my physical mailbox

Archived; click post to view. Excerpt: Finally the social networking site which Jonas, Jens and me created in 2008 gets a redesign. Thanks to the great opportunities at the Institute for Web Science and Technologies here in Koblenz (why don’t you apply for a PhD position with us?) I will have the chance to [...]

Continue reading about Metalcon finally gets a redesign – Thinking about high scalability

Archived; click post to view. Excerpt: Being strong pro on the topic of open access I always try to publish all my work on my blog but sometimes I am busy or I forget to update so today I took the time to look at all my old drafts and the stuff that hasn’t been [...]

Continue reading about Open access and data from my research. Old resources for various topics finally online.

René Pickhardt on November 2nd, 2012

Archived; click post to view. Excerpt: So the culture is different from Western culture we all know that! I am certainly not an expert on China but after living in China for almost 2 years knowing some language and working in a chinese company seeing presentations every week and also visiting over 30 western and [...]

Continue reading about How to do a presentation in China? Some of my experiences

Archived; click post to view. Excerpt: My graph index graphity was – as mentioned in another blogpost – accepted at socialcom 2012. After I explained how it works and sharted the source code I now want to share some information about the history of submissions, reviews, quality of reviews, taken actions and so on. So [...]

Continue reading about Submission history of my first academic research paper (graphity at socialcom 2012)

Archived; click post to view. Excerpt: UPDATE: there is now the source code of an entire graphity server application online! 8 months ago I posted the results of my research about fast retrieval of social news feeds and in particular my graph index graphity. The index is able to serve more than 12 thousand personalized [...]

Continue reading about Graphity source code and wikipedia raw data is online (neo4j based social news stream framework)

René Pickhardt on December 28th, 2011

Archived; click post to view. Excerpt: 2011 is almost over and more than 9 months of my PhD have already passed by. During my math diploma I was founded by the german national academic foundation. Besides some really nice benefits that came along with this every 6 months I was forced to write reports about [...]

Continue reading about My first PhD year summerized: What a great choice of mine!

René Pickhardt on November 2nd, 2011

Archived; click post to view. Excerpt: During the last month my blog was rather quite. I dicided that I was aiming to submit my first paper to a top conference with a deadline of november first. Well besides the fact that I almost forgot about the fact that I also have a private life – [...]

Continue reading about 11 lessons learnt after my first scientific paper was submitted


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