René Pickhardt on September 20th, 2012

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Excerpt: Hey everyone, longtime no see! Well yeah the summer time usually means vaccation and traveling and so on. But I also have been busy creating some cool content and visiting some conference! So first of all together with my friend Leon Kastler I have established our new WeST Blog. The goal is to be more transparent with the research of our institute! Quite some people in our institute already shared some nice information. So why don’t you give our blog a try and follow it at: http://blog.west.uni-koblenz.de/ Since our institute now has its own blog I will in future publish some of my…

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Excerpt: During my vaccation a lot of stuff has been happened and it was just for today that I came along the following article and discussion: http://royalsociety.org/policy/projects/science-public-enterprise/report/. Yes you read correctly the royal society wants to create open access to all publications financed by the British government. What a big step! Congratulation to all British people for being such a role model. It fits perfectly to my project related work and other discussions I was joining e.g. Open Access and bycott of Elsevier Why education is a human right Open Education a sucess story for africa Even though this development is very good to see…

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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 how the systems works and on the other hand give some overview of the related work. As you can see from the slides we are planning to submit our results to SIGIR conference. So one year after my first blogpost on graphity which devoloped in a full paper for…

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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 if you are a coder, hacker, geek or what so ever just skip this post and digg into the source code of graphity. If you are a researcher you might enjoy learning from my experiences. 2011 April: Defining the research question Wondering about possible research topics many people told me that running a…

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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 social news streams per second in social networks with several million active users. I was able to show that the system is independent of the node degree or network size. Therefor it scales to graphs of arbitrary size. Today I am pleased to anounce that our joint work was accepted as a full…

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René Pickhardt on June 13th, 2012

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Excerpt: Current readers of my blog know about typology. The project which makes predictions of what you will type in next on your smartphone. This is of course pretty similar to Swiftkey. Amazing to see how xkcd took swiftkey as a topic for the current comic. More amazing is that 3 people (not in the development team of typology) send me the link to this project independently. I liked the comic and I think it really demonstrates the importance of a software like this. So I am really looking forward to see how typology will evolve. It also demonstrates the fallbacks of…

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Excerpt: Over the last weeks there was quite some quality programming time for me. First of all I built some indices on the typology data base in which way I was able to increase the retrieval speed of typology by a factor of over 1000 which is something that rarely happens in computer science. I will blog about this soon. But heaving those techniques at hand I also used them to built a better auto completion for the search function of my online social network metalcon.de. The search functionality is not deployed to the real site yet. But on the demo page…

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Excerpt: Due to the interesting results we found by creating Typology I am currently reading the related work about query prediction and auto completion of scentences. There is quite some interesting academic work available in this area of information retrieval. While reading these papers I realized that I am not that strong in the field of natural language processing which seems to have a deep impact on my current research interests. That’s why I decided to put in a reading session of some basic work. A short trip to the library and also a look into the cited work of the papers…

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René Pickhardt on May 22nd, 2012

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Excerpt: Yesterday I shared the good news about Till and Paul who have been awarded one of the top 5 projects at the German federal competition Young scientists. Today the good news continues. Together with more than 1000 competitors they did also submit the project to the Google Science Fair. And guess what! Google likes graph data bases, information retrieval, auto completion, and scentence prediction. Till and Paul have been (together with 5 other germans) selected to be in the second round together with 90 remaining projects. Even Heise reported about this! Within the next month they will have phone…

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Excerpt: Two days ago I arrived in Erfurt in order to visit the federal competition young scientists (Jugend Forscht). I reported about the project typology by Till Speicher and Paul Wagner which I supervised over the last half year and which already won many awards. Saturday night they have already won a special award donated by the Gesellschaft fuer Informatik this award has the title “special award for a contribution which demonstrates particularly the usefulness of computer science for Society.” (Sonderpreis fuer eine Arbeit, die in besonderer Art und Weise den Nutzen der Informatik verdeutlicht.) This award was connected with 1500…

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