Mining Leaks and Open Data to Follow the Money Friedrich Lindenberg OCCPR Biography Friedrich Lindenberg leads the data team at OCCRP. Abstract He is responsible for the development of OCCRP Data How can data-driven approaches help to un- and supports ongoing investigations where data anal- cover large-scale corruption in government ysis is needed. In 2014/2015, Friedrich was a fellow and business? The Organized Crime and Cor- with the International Center for Journalists, work- ruption Reporting Project (OCCRP) is a net- ing with the African Network of Centers for Inves- work of investigative reporters across 45 coun- tigative Reporting (ANCIR), and in 2013 he was a tries that uncovers cases of bribery, theft and Knight-Mozilla OpenNews fellow at Spiegel Online in money laundering around the world. Hamburg. Prior to that, Friedrich was an open data To support this, OCCRP has built a unique activist, and worked to promote the release of gov- data resource covering more than a billion en- ernment information about public finance, lobbying, tities from over 400 data sources, and a suite procurement and lawmaking across the world. of open-source data integration and search tools, the Aleph. This allows us to give inves- tigative reporters visibility into large amounts of evidence, and to perform cross-referencing between databases that uncovers evidence of wrong-doing. We’ll present the why, what and how of this project, and are hoping for feedback from the IR community on what our next steps could be in order to increase search quality and provide better recommendations to our investigators. Copyright c 2019 for the individual papers by the papers’ au- thors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors. In: A. Aker, D. Albakour, A. Barrón-Cedeño, S. Dori-Hacohen, M. Martinez, J. Stray, S. Tippmann (eds.): Proceedings of the NewsIR’19 Workshop at SIGIR, Paris, France, 25-July-2019, published at http://ceur-ws.org