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Theobald, Martin Databases and Information Systems, MPI for Informatics, Max Planck Society;
Schenkel, R., & Theobald, M. (2009). Overview of the INEX 2009 Efficiency Track. In S. Geva, J. Kamps, & A. Trotman (Eds.), Preproceedings of the 2009 INEX Workshop (pp. 175-187). Amsterdam: IR Publications. Retrieved from http://www.inex.otago.ac.nz/data/proceedings/INEX2009-preproceedings.pdf.