Polymorphic embedding of dsls. - Christian Hofer; Klaus Ostermann; Tillmann Rendel; Adriaan Moors (GPCE, 2008)

Typed self-representation. - Tillmann Rendel; Klaus Ostermann; Christian Hofer (PLDI, 2009)

Invertible syntax descriptions: unifying parsing and pretty printing. - Tillmann Rendel; Klaus Ostermann (Haskell, 2010)

Revisiting Information Hiding: Reflections on Classical and Nonclassical Modularity. - Klaus Ostermann; Paolo G. Giarrusso; Christian Kästner; Tillmann Rendel (ECOOP, 2011)

Growing a language environment with editor libraries. - Sebastian Erdweg; Lennart C. L. Kats; Tillmann Rendel; Christian Kästner; Klaus Ostermann; Eelco Visser (GPCE, 2011)

Library-based model-driven software development with SugarJ. - Sebastian Erdweg; Lennart C. L. Kats; Tillmann Rendel; Christian Kästner; Klaus Ostermann; Eelco Visser (OOPSLA Companion, 2011)

SugarJ: library-based language extensibility. - Sebastian Erdweg; Lennart C. L. Kats; Tillmann Rendel; Christian Kästner; Klaus Ostermann; Eelco Visser (OOPSLA Companion, 2011)

SugarJ: library-based syntactic language extensibility. - Sebastian Erdweg; Tillmann Rendel; Christian Kästner; Klaus Ostermann (OOPSLA, 2011)

Variability-aware parsing in the presence of lexical macros and conditional compilation. - Christian Kästner; Paolo G. Giarrusso; Tillmann Rendel; Sebastian Erdweg; Klaus Ostermann; Thorsten Berger (OOPSLA, 2011)

Toward variability-aware testing. - Christian Kästner; Alexander von Rhein; Sebastian Erdweg; Jonas Pusch; Sven Apel; Tillmann Rendel; Klaus Ostermann (FOSD, 2012)

Layout-sensitive language extensibility with SugarHaskell. - Sebastian Erdweg; Felix Rieger; Tillmann Rendel; Klaus Ostermann (Haskell, 2012)

Language composition untangled. - Sebastian Erdweg; Paolo G. Giarrusso; Tillmann Rendel (LDTA, 2012)

Reifying and optimizing collection queries for modularity. - Paolo G. Giarrusso; Klaus Ostermann; Michael Eichberg; Tillmann Rendel; Christian Kästner (SPLASH, 2012)

Layout-Sensitive Generalized Parsing. - Sebastian Erdweg; Tillmann Rendel; Christian Kästner; Klaus Ostermann (SLE, 2012)

Reify your collection queries for modularity and speed! - Paolo G. Giarrusso; Klaus Ostermann; Michael Eichberg; Ralf Mitschke; Tillmann Rendel; Christian Kästner (AOSD, 2013)

Adding configuration to the choice calculus. - Martin Erwig; Klaus Ostermann; Tillmann Rendel; Eric Walkingshaw (VaMoS, 2013)

From object algebras to attribute grammars. - Tillmann Rendel; Jonathan Immanuel Brachthäuser; Klaus Ostermann (OOPSLA, 2014)

A theory of changes for higher-order languages: incrementalizing λ-calculi by static differentiation. - Yufei Cai; Paolo G. Giarrusso; Tillmann Rendel; Klaus Ostermann (PLDI, 2014)

Automatic refunctionalization to a language with copattern matching: with applications to the expression problem. - Tillmann Rendel; Julia Trieflinger; Klaus Ostermann (ICFP, 2015)

Parsing with first-class derivatives. - Jonathan Immanuel Brachthäuser; Tillmann Rendel; Klaus Ostermann (OOPSLA, 2016)