Open Source

René Pickhardt on August 27th, 2014

Archived; click post to view. Excerpt: This is my personal list of people that I admire. In a sense I would say if you want to know what I stand for you can just have a brief look at this list and at the values, norms and ideas the people of the list stand for. [...]

Continue reading about My List of People who I admire and which I find truly inspiring

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)

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: As writen before Steffen and I participated in the online voting for the MOOC fellowship. Today the competition finished and I would like to say thank you to everyone who so far participated in the voting in particular to the 435 people supporting our course. I did never image [...]

Continue reading about Analyzing the final and intermediate results of the iversity MOOC Fellowship online voting

Archived; click post to view. Excerpt: I am asking you for a big favor in this blog post! You can help me to achieve one of my childhood dreams: I am an enthusiastic teacher and love to share information (as you might have seen by reading my blog) Over the last month I have designed [...]

Continue reading about Please help me to realize my Web science massive open online course

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.

Archived; click post to view. Excerpt: Almost 2 months ago I talked in our oberseminar about Typology. Update: Download slides Most readers of my blog will already know the project which was initially implemented by my students Till and Paul. I am just about to share some slides with you. They explain on one hand [...]

Continue reading about Typology Oberseminar talk and Speed up of retrieval by a factor of 1000

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 March 12th, 2012

Archived; click post to view. Excerpt: Recently I visited my friend Heinrich Hartmann in Oxford. We talked about various issues how research is done in these days and how the web could theoretically help to spread information faster and more efficiently connect people interested in the same paper / topics. The idea of was [...]

Continue reading about – Product Requirement Document released!

Archived; click post to view. Excerpt: Claudio Martella introduces Apache Giraph which according to him is a loose implementation of Google Pregel which was introduced  on SIGMOD in 2010. He points out that Map Reduce cannot be used to do graph processing. He then gave an example on how MapReduce can be used to to do page rank calculation. He points [...]

Continue reading about Claudio Martella talks @ FOSDEM about Apache Giraph: Distributed Graph Processing in the Cloud


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