Information Retrieval

Archived; click post to view. Excerpt: Over one year ago I was starting to think about indexing scored stings for auto completion queries. I stumbled upon this problem after seeing the strength of the predictions of  the typology approach for next word prediction on smartphones. The typology approach had one major drawback: Though its suggestions [...]

Continue reading about The best way to create an autocomplete service: And the winner is…. Giuseppe Ottaviano

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: 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 [...]

Continue reading about Building an Autocompletion on GWT with RPC, ContextListener and a Suggest Tree: Part 0

Archived; click post to view. 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 [...]

Continue reading about Foundations of statistical natural language processing Review of chapter 1

Archived; click post to view. 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 [...]

Continue reading about Typology using neo4j wins 2 awards at the German federal competition young scientists.

Archived; click post to view. Excerpt: If I were a criminal I would create a smart phone app which would give me the possability to geographically and socially track policemen. Here some background on this thought. Yesterday I was sitting in the German summit on “Facebook Goolgle & Co – Chances and Risks” (which I [...]

Continue reading about Smartphones of Policemen could give criminals a competitive advantage

René Pickhardt on March 27th, 2012

Archived; click post to view. Excerpt: Over the last week we had our off campus meeting with a lot of communication training (very good and fruitful) as well as a special treatment for some PhD students called “massage your diss”. I was one of the lucky students who were able to discuss our research ideas [...]

Continue reading about PhD proposal on distributed graph data bases

Archived; click post to view. Excerpt: 6 months of hard coding and supervising by me are over and end with a huge success! After analyzing 80 GB of Google ngrams data Paul and Till put them to a neo4j graph data base in order to make predictions for fast scentence completion. Today was the award [...]

Continue reading about Paul Wagner and Till Speicher won State Competition “Jugend Forscht Hessen” and best Project award using neo4j

Archived; click post to view. Excerpt: Amazing! Today I had a discussion with a coworker about transparency and the way companies should be more open about what they are doing! And what happens on the same day? One of my favourite webcompanies has decided to publish a short video taken from the weekly search quality [...]

Continue reading about Google Video on Search Quality Meeting: Spelling for Long Queries by Lars Hellsten

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!


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