Sven Helmer

60% first author (3), 20% last author (1) — 60% (3) in alphabetical order

Affiliations (2)

• University of Mannheim, Mannheim, Germany (2002,2003)
• University of London, London, United Kingdom (2006,2007)

Papers (5)

• Measuring the structural similarity of semistructured documents using entropy (vldb, 2007, research) Sven Helmer
• Strategies for query unnesting in XML databases (tods, 2006, research) Norman May, Sven Helmer, Guido Moerkotte
• Estimating the output cardinality of partial preaggregation with a measure of clusteredness (vldb, 2003, research) Sven Helmer, Thomas Neumann, Guido Moerkotte
• A performance study of four index structures for set-valued attributes of low cardinality (vldbj, 2003, research) Sven Helmer, Guido Moerkotte
• Anatomy of a native XML base management system (vldbj, 2002, research) T. Fiebig, S. Helmer, C.-C. Kanne, G. Moerkotte, J. Neumann, R. Schiele, T. Westmann

Co-Authors (8)

• Guido Moerkotte (4 of 11)
• Thomas Neumann (1 of 11)
• Till Westmann (1 of 6)
• Carl-Christian Kanne (1 of 4)
• R. Schiele (1 of 1)
• T. Fiebig (1 of 1)
• Norman May (1 of 1)
• J. Neumann (1 of 1)

numbers denote share of papers co-authored with Sven Helmer

Authors of same affiliation(s) (15)

• Guido Moerkotte (11 of 11)
• Carl-Christian Kanne (3 of 4)
• Thomas Neumann (2 of 11)
• Matthias Brantner (1 of 3)
• Jun Wang (1 of 1)
• Norman May (1 of 1)
• Erich Marth (1 of 1)
• Gabriele Steidl (1 of 1)
• Hengzhi Wu (1 of 1)
• R. Schiele (1 of 1)
• Alexander Böhm (1 of 1)
• Georg Hackenberg (1 of 1)
• Hany Azzam (1 of 1)
• Thomas Roelleke (1 of 1)
• J. Neumann (1 of 1)

numbers denote share of papers authored in same affils as Sven Helmer