Christoph Kiefer

SPARQL basic graph pattern optimization using selectivity estimation

Markus Stocker, Andy Seaborne, Abraham Bernstein et al. · 2008 · 330 citations

Computing, Computer Science, Information Systems +17

Detecting similar Java classes using tree algorithms

Tobias Sager, Abraham Bernstein, Martin Pinzger et al. · 2006 · 87 citations

Computing, Computer Science, Information Retrieval +16

Mining Software Repositories with iSPAROL and a Software Evolution Ontology

Christoph Kiefer, Abraham Bernstein, Jonas Tappolet · 2007 · 85 citations

Computing, Computer Science, Data Mining +15

OptARQ: A SPARQL Optimization Approach based on Triple Pattern Selectivity Estimation

Abraham Bernstein, Christoph Kiefer, Markus Stocker · 2007 · 36 citations

Computing, Computer Science, Information Systems +15

Imprecise RDQL

Abraham Bernstein, Christoph Kiefer · 2006 · 35 citations

Computing, Computer Science, Information Technology +16