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News(16-05-12) Tutorial accepted at VLDB 2012: Efficient Parallel Data Processing in MapReduce Workflows (16-05-12) 2nd place, Ulm Science Slam (JD) (11-05-12) 1st place, 5th Trier Science Slam (JD) (23-04-12) Full paper accepted at PVLDB vol.5/VLDB 2012: Only Aggressive Elephants are Fast Elephants. We propose a new Hadoop MapReduce system HAIL (Hadoop Aggressive Indexing Library). At query HAIL outperforms Hadoop MapReduce by up to a factor 70; at upload time HAIL is only 60% slower, often even faster than Hadoop MapReduce. In both cases HAIL is by a large factor faster than Hadoop++. more info soon... (18-10-11) Busy Beaver Award for best advanced lecture in computer science: Database Systems. (17-10-11) BMBF VIP Grant for OctopusDB covering 1.1 million Euros; Press release: German English. Our Research Topics:
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