David Zellhöfer

Dr.-Ing. David Zellhöfer
Oracle Certified Associate
david.zellhoefer(at)b-tu.de

2000-2001: Study of computer science at the TU Berlin
2001-2006: Study of media computer science at the FHTW Berlin (international study program)
2003-2004: Study of computer science and communication and interactivity at the LiU (Schweden)
2006-2007: Study of computer science (M.Sc.) at the university Potsdam
2007-2012: Scientific assistant at the BTU Cottbus
2012-2013: Senior Software Engineer for Capgemini
2013-2014: IT-Referent for the federal office of consumer protection and food safety
2014-today: Head of division (information and data management) for the Berlin state library

Data mining and similarity search for food inspection
Multimedia retrieval and Human-Machine-Communication
Generation of user-oriented query weights and machine learning
Visualization
Computer science and ethics
BMBF-ForMaT-Project "Multimediale Ähnlichkeitssuche zum Matchen, Typologisieren und Segmentieren" (Phase 2)

Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo
_pk_ref	Used to store the attribution information, the referrer initially used to visit the website.	6 months	HTML	Matomo
_pk_ses	Short lived cookie used to temporarily store data for the visit.	30 minutes	HTML	Matomo