Querying Ontologies: A Controlled English Interface for End-Users. - Abraham Bernstein; Esther Kaufmann; Anne Göhring; Christoph Kiefer (ISWC, 2005)

Detecting Similarities in Ontologies with the SOQA-SimPack Toolkit. - Patrick Ziegler; Christoph Kiefer; Christoph Sturm; Klaus R. Dittrich; Abraham Bernstein (EDBT, 2006)

Detecting similar Java classes using tree algorithms. - Tobias Sager; Abraham Bernstein; Martin Pinzger 001; Christoph Kiefer (MSR, 2006)

Imprecise RDQL: towards generic retrieval in ontologies using similarity joins. - Abraham Bernstein; Christoph Kiefer (SAC, 2006)

Generic similarity detection in ontologies with the SOQA-SimPack toolkit. - Patrick Ziegler; Christoph Kiefer; Christoph Sturm; Klaus R. Dittrich; Abraham Bernstein (SIGMOD Conference, 2006)

Imprecise SPARQL: Towards a Unified Framework for Similarity-Based Semantic Web Tasks. - Christoph Kiefer (KWEPSY, 2007)

Semantic Process Retrieval with iSPARQL. - Christoph Kiefer; Abraham Bernstein; Hong Joo Lee; Mark Klein 001; Markus Stocker (ESWC, 2007)

Mining Software Repositories with iSPAROL and a Software Evolution Ontology. - Christoph Kiefer; Abraham Bernstein; Jonas Tappolet (MSR, 2007)

The Fundamentals of iSPARQL: A Virtual Triple Approach for Similarity-Based Semantic Web Tasks. - Christoph Kiefer; Abraham Bernstein; Markus Stocker (ISWC/ASWC, 2007)

The Creation and Evaluation of iSPARQL Strategies for Matchmaking. - Christoph Kiefer; Abraham Bernstein (ESWC, 2008)

Adding Data Mining Support to SPARQL Via Statistical Relational Learning Methods. - Christoph Kiefer; Abraham Bernstein; André Locher (ESWC, 2008)

SPARQL basic graph pattern optimization using selectivity estimation. - Markus Stocker; Andy Seaborne; Abraham Bernstein; Christoph Kiefer; Dave Reynolds (WWW, 2008)

Semantic web enabled software analysis. - Jonas Tappolet; Christoph Kiefer; Abraham Bernstein (J. Web Semant., 2010)

Application and Evaluation of Inductive Reasoning Methods for the Semantic Web and Software Analysis. - Christoph Kiefer; Abraham Bernstein (Reasoning Web, 2011)

Semantic Web Enabled Software Analysis. - Jonas Tappolet; Christoph Kiefer; Abraham Bernstein (Semantic Web Enabled Software Engineering, 2014)

Mining Exceptional Mediation Models. - Florian Lemmerich; Christoph Kiefer; Benedikt Langenberg; Jeffry Cacho Aboukhalil; Axel Mayer (ISMIS, 2020)