Neo4j

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

René Pickhardt on June 25th, 2013

I was visiting FOSDEM 2013 with Heinrich Hartmann and talking about related-work.net the video of this talk is finally online and of course I would like to share this with the community: The slides can be found here.

Continue reading about Video of FOSDEM talk finally online

Archived; click post to view. Excerpt: Finally we have all the basics that are needed for building an Autocomplete service and now comes the juicy part. From now on we are looking at how to make it fast and robust. In the current approach we open a new Data base connection for every HTTP request. [...]

Continue reading about GWT + database connection in Servlet ContextListener – Auto Complete Video Tutorial Part 5

Archived; click post to view. Excerpt: In this screencast of my series I explain at a very basic level how to integrate a data base to pull data for autocomplete queries. Since we have been working with neo4j at this time I used a neo4j data base. It will be only in the next two [...]

Continue reading about Building an Autocomplete Service in GWT screencast Part 4: Integrating the neo4j Data base

Archived; click post to view. Excerpt: Finally metalcon.de 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: In this screencast of my series on building an autocomplete service you will learn how to implement a Server servlet in GWT such that autocomplete queries receive a response. In this video the response will always be static and very naive. It will be up to the fourth part [...]

Continue reading about Building an Autocomplete Service in GWT screencast Part 3: Getting the Server code to send a basic response

Archived; click post to view. Excerpt: Hey everyone after posting my first screencast in this series reviewing the basic process for creating remote procedure calls in GWT we are now finally starting with the real tutorial for building an autocomplete service. This tutorial (again hosted on wikipedia) covers the basic user interface meaning how to [...]

Continue reading about Building an Autocompletion on GWT screencast Part 2: Invoking The Remote Procedure Call

Archived; click post to view. Excerpt: Quite a while ago I promised to create some screencasts on how to build a (personalized) Autocompletion in GWT. Even though the screencasts have been created for quite some time now I had to wait publishing them for various reasons. Finally it is now the time to go public [...]

Continue reading about Building an Autocompletion on GWT screencast Part 1: Getting Warm – Reviewing remote procedure calls

René Pickhardt on February 2nd, 2013

Archived; click post to view. Excerpt: Peter who is working for Neo4j is an industry partner of the http://www.ldbc.eu/ which is a EU FP7 Project in the Big Data call. The goal of this project is to put out good methodologies for benchmarking linked open data and rdf stores as well as graph data bases. [...]

Continue reading about The start of the Linked Data benchmark council Eu FP7 Big Data pro

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