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ORCIDRalf Lämmel
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- affiliation: University of Koblenz, Germany
- affiliation: University of Koblenz-Landau, Faculty of Computer Science, Koblenz, Germany
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2020 – today
- 2024
[c121]Philipp Seifer, Daniel Hernández, Ralf Lämmel, Steffen Staab:
Inferring SHACL Constraints for Results of Composable Graph Queries (Extended Abstract). Description Logics 2024- [c120]Susanne Göbel
, Ralf Lämmel:
Model-Based Trust Analysis of LLM Conversations. MoDELS (Companion) 2024: 602-610 - [c119]Philipp Seifer, Daniel Hernández, Ralf Lämmel, Steffen Staab:
From Shapes to Shapes: Inferring SHACL Shapes for Results of SPARQL CONSTRUCT Queries. WWW 2024: 2064-2074 - [d1]Philipp Seifer, Daniel Hernández, Ralf Lämmel, Steffen Staab:
Code for From Shapes to Shapes. DaRUS, 2024
- [i28]Philipp Seifer, Daniel Hernández, Ralf Lämmel, Steffen Staab:
From Shapes to Shapes: Inferring SHACL Shapes for Results of SPARQL CONSTRUCT Queries (Extended Version). CoRR abs/2402.08509 (2024) - [i27]Xiny Pan, Daniel Hernández, Philipp Seifer, Ralf Lämmel, Steffen Staab:
eSPARQL: Representing and Reconciling Agnostic and Atheistic Beliefs in RDF-star Knowledge Graphs. CoRR abs/2407.21483 (2024) - 2023
- [j37]Johannes Härtel, Ralf Lämmel:
Operationalizing validity of empirical software engineering studies. Empir. Softw. Eng. 28(6): 153 (2023) - [c118]Ralf Lämmel:
Eelco Visser - An Exceptional SLE Researcher. Eelco Visser Commemorative Symposium 2023: 17:1-17:13 - [e15]Ralf Lämmel, Peter D. Mosses, Friedrich Steimann:
Eelco Visser Commemorative Symposium, EVCS 2023, April 5, 2023, Delft, The Netherlands. OASIcs 109, Schloss Dagstuhl - Leibniz-Zentrum für Informatik 2023, ISBN 978-3-95977-267-9 [contents] - 2022
- [c117]Johannes Härtel, Ralf Lämmel:
Operationalizing Threats to MSR Studies by Simulation-Based Testing. MSR 2022: 86-97 - [c116]Wardah Mahmood, Daniel Strüber, Thorsten Berger, Ralf Lämmel, Mukelabai Mukelabai:
Seamless Variability Management With the Virtual Platform (Summary). Software Engineering 2022: 69-70 - 2021
- [c115]Wardah Mahmood, Daniel Strüber, Thorsten Berger, Ralf Lämmel, Mukelabai Mukelabai:
Seamless Variability Management With the Virtual Platform. ICSE 2021: 1658-1670 - [c114]Ralf Lämmel:
Megamodels on the Catwalk. MODELSWARD 2021: 7 - [c113]Philipp Seifer, Ralf Lämmel, Steffen Staab:
ProGS: Property Graph Shapes Language. ISWC 2021: 392-409 - [i26]Wardah Mahmood, Daniel Strüber, Thorsten Berger, Ralf Lämmel, Mukelabai Mukelabai:
Seamless Variability Management With the Virtual Platform. CoRR abs/2103.00437 (2021) - [i25]Philipp Seifer, Ralf Lämmel, Steffen Staab:
ProGS: Property Graph Shapes Language (Extended Version). CoRR abs/2107.05566 (2021) - 2020
- [j36]Marcel Heinz, Johannes Härtel, Ralf Lämmel:
Reproducible Construction of Interconnected Technology Models for EMF Code Generation. J. Object Technol. 19(2): 8:1-25 (2020) - [j35]Juri Di Rocco, Davide Di Ruscio, Johannes Härtel, Ludovico Iovino, Ralf Lämmel, Alfonso Pierantonio:
Understanding MDE projects: megamodels to the rescue for architecture recovery. Softw. Syst. Model. 19(2): 401-423 (2020) - [c112]John Ahlgren, Maria Eugenia Berezin, Kinga Bojarczuk, Elena Dulskyte, Inna Dvortsova, Johann George, Natalija Gucevska, Mark Harman, Ralf Lämmel, Erik Meijer, Silvia Sapora, Justin Spahr-Summers:
WES: Agent-based User Interaction Simulation on Real Infrastructure. ICSE (Workshops) 2020: 276-284 - [c111]John Ahlgren, Maria Eugenia Berezin, Kinga Bojarczuk, Elena Dulskyte, Inna Dvortsova, Johann George, Natalija Gucevska, Mark Harman, Shan He, Ralf Lämmel, Erik Meijer, Silvia Sapora, Justin Spahr-Summers:
Ownership at Large: Open Problems and Challenges in Ownership Management. ICPC 2020: 406-410 - [c110]Ralf Lämmel, Alvin Kerber, Liane Praza:
Understanding What Software Engineers Are Working on: The Work-Item Prediction Challenge. ICPC 2020: 416-424 - [c109]Martin Leinberger, Philipp Seifer, Tjitze Rienstra, Ralf Lämmel, Steffen Staab:
Deciding SHACL Shape Containment Through Description Logics Reasoning. ISWC (1) 2020: 366-383 - [c108]Johannes Härtel, Ralf Lämmel:
Incremental Map-Reduce on Repository History. SANER 2020: 320-331 - [e14]Ralf Lämmel, Laurence Tratt, Juan de Lara:
Proceedings of the 13th ACM SIGPLAN International Conference on Software Language Engineering, SLE 2020, Virtual Event, USA, November 16-17, 2020. ACM 2020, ISBN 978-1-4503-8176-5 [contents] - [i24]John Ahlgren, Maria Eugenia Berezin, Kinga Bojarczuk, Elena Dulskyte, Inna Dvortsova, Johann George, Natalija Gucevska, Mark Harman, Ralf Lämmel, Erik Meijer, Silvia Sapora, Justin Spahr-Summers:
WES: Agent-based User Interaction Simulation on Real Infrastructure. CoRR abs/2004.05363 (2020) - [i23]Ralf Lämmel, Alvin Kerber, Liane Praza:
Understanding What Software Engineers Are Working on - The Work-Item Prediction Challenge. CoRR abs/2004.06174 (2020) - [i22]John Ahlgren, Maria Eugenia Berezin, Kinga Bojarczuk, Elena Dulskyte, Inna Dvortsova, Johann George, Natalija Gucevska, Mark Harman, Shan He, Ralf Lämmel, Erik Meijer, Silvia Sapora, Justin Spahr-Summers:
Ownership at Large - Open Problems and Challenges in Ownership Management. CoRR abs/2004.07352 (2020) - [i21]Martin Leinberger, Philipp Seifer, Tjitze Rienstra, Ralf Lämmel, Steffen Staab:
Deciding SHACL Shape Containment through Description Logics Reasoning (Extended Version). CoRR abs/2008.13603 (2020)
2010 – 2019
- 2019
- [j34]Philipp Seifer, Martin Leinberger, Ralf Lämmel, Steffen Staab:
Semantic Query Integration With Reason. Art Sci. Eng. Program. 3(3): 13 (2019) - [c107]Marcel Heinz, Ralf Lämmel, Mathieu Acher:
Discovering Indicators for Classifying Wikipedia Articles in a Domain - A Case Study on Software Languages. SEKE 2019: 541-706 - [c106]Martin Leinberger, Philipp Seifer, Claudia Schon, Ralf Lämmel, Steffen Staab:
Type Checking Program Code Using SHACL. ISWC (1) 2019: 399-417 - [c105]Philipp Seifer, Johannes Härtel, Martin Leinberger, Ralf Lämmel, Steffen Staab:
Empirical study on the usage of graph query languages in open source Java projects. SLE 2019: 152-166 - [i20]Philipp Seifer, Martin Leinberger, Ralf Lämmel, Steffen Staab:
Semantic Query Integration With Reason. CoRR abs/1902.00545 (2019) - [i19]Martin Leinberger, Philipp Seifer, Claudia Schon, Ralf Lämmel, Steffen Staab:
Type Checking Program Code using SHACL (Extended Version). CoRR abs/1907.00855 (2019) - 2018
- [c104]Johannes Härtel, Marcel Heinz, Ralf Lämmel:
EMF Patterns of Usage on GitHub. ECMFA 2018: 216-234 - [c103]Juri Di Rocco, Davide Di Ruscio, Johannes Härtel, Ludovico Iovino, Ralf Lämmel, Alfonso Pierantonio:
Systematic Recovery of MDE Technology Usage. ICMT 2018: 110-126 - [c102]Johannes Härtel, Hakan Aksu, Ralf Lämmel:
Classification of APIs by hierarchical clustering. ICPC 2018: 233-243 - 2017
- [j33]Alice Allen, Cecilia R. Aragon, Christoph Becker, Jeffrey C. Carver, Andrei Chis, Benoît Combemale, Mike Croucher, Kevin Crowston, Daniel Garijo, Ashish Gehani, Carole A. Goble, Robert Haines, Robert Hirschfeld, James Howison, Kathryn D. Huff, Caroline Jay, Daniel S. Katz, Claude Kirchner, Katie Kuksenok, Ralf Lämmel, Oscar Nierstrasz, Matthew J. Turk, Rob van Nieuwpoort, Matthew Vaughn, Jurgen J. Vinju:
Engineering Academic Software (Dagstuhl Perspectives Workshop 16252). Dagstuhl Manifestos 6(1): 1-20 (2017) - [j32]Johannes Härtel, Lukas Härtel, Ralf Lämmel, Andrei Varanovich, Marcel Heinz:
Interconnected Linguistic Architecture. Art Sci. Eng. Program. 1(1): 3 (2017) - [j31]Ralf Lämmel:
Relationship Maintenance in Software Language Repositories. Art Sci. Eng. Program. 1(1): 4 (2017) - [c101]Martin Leinberger, Ralf Lämmel, Steffen Staab:
The Essence of Functional Programming on Semantic Data. ESOP 2017: 750-776 - [c100]Bastian Ulke, Friedrich Steimann, Ralf Lämmel:
Partial Evaluation of OCL Expressions. MoDELS 2017: 63-73 - [c99]Juri Di Rocco, Davide Di Ruscio, Marcel Heinz, Ludovico Iovino, Ralf Lämmel, Alfonso Pierantonio:
Consistency Recovery in Interactive Modeling. MoDELS (Satellite Events) 2017: 116-122 - [c98]Marcel Heinz, Ralf Lämmel, Andrei Varanovich:
Axioms of Linguistic Architecture. MODELSWARD 2017: 478-486 - [c97]Carsten Hartenfels, Martin Leinberger, Ralf Lämmel, Steffen Staab:
Type-Safe Programming with OWL in Semantics4J. ISWC (Posters, Demos & Industry Tracks) 2017 - [c96]Simon Schauss, Ralf Lämmel, Johannes Härtel, Marcel Heinz, Kevin Klein, Lukas Härtel, Thorsten Berger:
A chrestomathy of DSL implementations. SLE 2017: 103-114 - [e13]Jácome Cunha, João Paulo Fernandes, Ralf Lämmel, João Saraiva, Vadim Zaytsev:
Grand Timely Topics in Software Engineering - International Summer School GTTSE 2015, Braga, Portugal, August 23-29, 2015, Tutorial Lectures. Lecture Notes in Computer Science 10223, Springer 2017, ISBN 978-3-319-60073-4 [contents] - [i18]Johannes Härtel, Lukas Härtel, Ralf Lämmel, Andrei Varanovich, Marcel Heinz:
Interconnected Linguistic Architecture. CoRR abs/1701.08122 (2017) - [i17]Ralf Lämmel:
Relationship Maintenance in Software Language Repositories. CoRR abs/1701.08124 (2017) - [i16]Benoît Combemale, Ralf Lämmel, Eric Van Wyk:
SLEBOK: The Software Language Engineering Body of Knowledge (Dagstuhl Seminar 17342). Dagstuhl Reports 7(8): 45-54 (2017) - 2016
- [j30]Stefan Scheglmann, Martin Leinberger, Thomas Gottron, Steffen Staab, Ralf Lämmel:
SEPAL: Schema Enhanced Programming for Linked Data. Künstliche Intell. 30(2): 189-192 (2016) - [j29]Hakan Aksu, Ralf Lämmel, Wojciech Kwasnik:
Visualization of API Experience. Softwaretechnik-Trends 36(2) (2016) - [j28]Frederik Rüther, Hakan Aksu, Ralf Lämmel:
Developer Experience with the Django Web Framework. Softwaretechnik-Trends 36(2) (2016) - [j27]Thomas Schmorleiz, Ralf Lämmel:
Similarity management of "cloned and owned" variants. Softwaretechnik-Trends 36(2) (2016) - [c95]Thomas Schmorleiz, Ralf Lämmel:
Similarity management of 'cloned and owned' variants. SAC 2016: 1466-1471 - [c94]Marcel Heinz, Philipp Helsper, Ralf Lämmel, Tobias M. Schmidt:
A DSL for executable 'how to' manuals. SAC 2016: 2007-2009 - [c93]Ralf Lämmel:
Coupled software transformations revisited. SLE 2016: 239-252 - [i15]Martin Leinberger, Ralf Lämmel, Steffen Staab:
LambdaDL: Syntax and Semantics (Preliminary Report). CoRR abs/1610.07033 (2016) - 2015
- [j26]Ralf Lämmel:
Software chrestomathies. Sci. Comput. Program. 97: 98-104 (2015) - [j25]Ralf Lämmel, Simon L. Peyton Jones:
ICFP 2004: Scrap More Boilerplate: Reflection, Zips, and Generalised Casts. ACM SIGPLAN Notices 50(8s): 23-34 (2015) - [j24]Hakan Aksu, Ralf Lämmel:
API-related Developer Profiling. Softwaretechnik-Trends 35(2) (2015) - [j23]Marcel Heinz, Ralf Lämmel:
Verbesserung einer aus Wikipedia gewonnenen Ontologie. Softwaretechnik-Trends 35(2) (2015) - [e12]Ralf Lämmel:
Proceedings of the 27th Symposium on the Implementation and Application of Functional Programming Languages, IFL '15, Koblenz, Germany, September 14-16, 2015. ACM 2015, ISBN 978-1-4503-4273-5 [contents] - 2014
- [c92]Ralf Lämmel, Martin Leinberger, Thomas Schmorleiz, Andrei Varanovich:
Comparison of feature implementations across languages, technologies, and styles. CSMR-WCRE 2014: 333-337 - [c91]Barrett R. Bryant, Jean-Marc Jézéquel, Ralf Lämmel, Marjan Mernik, Martin Schindler, Friedrich Steimann, Juha-Pekka Tolvanen, Antonio Vallecillo, Markus Völter:
Globalized Domain Specific Language Engineering. Globalizing Domain-Specific Languages 2014: 43-69 - [c90]Ralf Lämmel, Andrei Varanovich:
Interpretation of Linguistic Architecture. ECMFA 2014: 67-82 - [c89]Stefan Scheglmann, Ralf Lämmel, Martin Leinberger, Steffen Staab, Matthias Thimm, Evelyne Viegas:
IDE Integrated RDF Exploration, Access and RDF-Based Code Typing with LITEQ. ESWC (Satellite Events) 2014: 505-510 - [c88]Michal Antkiewicz, Wenbin Ji, Thorsten Berger, Krzysztof Czarnecki, Thomas Schmorleiz, Ralf Lämmel, Stefan Stanciulescu, Andrzej Wasowski, Ina Schaefer:
Flexible product line engineering with a virtual platform. ICSE Companion 2014: 532-535 - [c87]Anya Helene Bagge, Ralf Lämmel, Vadim Zaytsev:
Reflections on Courses for Software Language Engineering. EduSymp@MoDELS 2014: 54-63 - [c86]Ralf Lämmel, Andrei Varanovich, Martin Leinberger, Thomas Schmorleiz, Jean-Marie Favre:
Declarative Software Development: Distilled Tutorial. PPDP 2014: 1-6 - [c85]Stefan Scheglmann, Martin Leinberger, Ralf Lämmel, Steffen Staab, Matthias Thimm:
Property-based typing with LITEQ. ISWC (Posters & Demos) 2014: 149-152 - [c84]Martin Leinberger, Stefan Scheglmann, Ralf Lämmel, Steffen Staab, Matthias Thimm, Evelyne Viegas:
Semantic Web Application Development with LITEQ. ISWC (2) 2014: 212-227 - [c83]Johannes Härtel, Lukas Härtel, Ralf Lämmel:
Test-Data Generation for Xtext - Tool Paper. SLE 2014: 342-351 - [e11]Ralf Lämmel, Walid Taha:
Proceedings of the 4th ACM SIGBED International Workshop on Design, Modeling, and Evaluation of Cyber-Physical Systems, CyPhy 2014, Berlin, Germany, April 14-17, 2014. ACM 2014, ISBN 978-1-4503-2871-5 [contents] - 2013
- [j22]Ralf Lämmel, Ekaterina Pek:
Understanding privacy policies - A study in empirical analysis of language usage. Empir. Softw. Eng. 18(2): 310-374 (2013) - [j21]Ralf Lämmel, Simon J. Thompson, Markus Kaiser:
Programming errors in traversal programs over structured data. Sci. Comput. Program. 78(10): 1770-1808 (2013) - [c82]Anya Helene Bagge, Ralf Lämmel:
Walk Your Tree Any Way You Want. ICMT 2013: 33-49 - [c81]Ralf Lämmel, Thomas Schmorleiz, Andrei Varanovich:
The 101haskell Chrestomathy: A Whole Bunch of Learnable Lambdas. IFL 2013: 25 - [c80]Coen De Roover, Ralf Lämmel, Ekaterina Pek:
Multi-dimensional exploration of API usage. ICPC 2013: 152-161 - [c79]Ralf Lämmel, Vadim Zaytsev:
Language Support for Megamodel Renarration. XM@MoDELS 2013: 36-45 - [c78]Stefan Scheglmann, Gerd Gröner, Steffen Staab, Ralf Lämmel:
Incompleteness-aware programming with RDF data. DDFP 2013: 11-14 - [c77]Ralf Lämmel, Dominik Mosen, Andrei Varanovich:
Method and Tool Support for Classifying Software Languages with Wikipedia. SLE 2013: 249-259 - [c76]Ralf Lämmel:
Reverse Engineering in Industry. WCRE 2013: 21 - [e10]Ralf Lämmel, João Saraiva, Joost Visser:
Generative and Transformational Techniques in Software Engineering IV, International Summer School, GTTSE 2011, Braga, Portugal, July 3-9, 2011. Revised Papers. Lecture Notes in Computer Science 7680, Springer 2013, ISBN 978-3-642-35991-0 [contents] - [e9]Ralf Lämmel, Rocco Oliveto, Romain Robbes:
20th Working Conference on Reverse Engineering, WCRE 2013, Koblenz, Germany, October 14-17, 2013. IEEE Computer Society 2013, ISBN 978-1-4799-2931-3 [contents] - [i14]Ekaterina Pek, Ralf Lämmel:
A Literature Survey on Empirical Evidence in Software Engineering. CoRR abs/1304.1002 (2013) - 2012
- [c75]Jean-Marie Favre, Ralf Lämmel, Andrei Varanovich:
Modeling the Linguistic Architecture of Software Products. MoDELS 2012: 151-167 - [c74]Jean-Marie Favre, Ralf Lämmel, Thomas Schmorleiz, Andrei Varanovich:
101companies: A Community Project on Software Technologies and Software Languages. TOOLS (50) 2012: 58-74 - [c73]Jean-Marie Favre, Ralf Lämmel, Martin Leinberger, Thomas Schmorleiz, Andrei Varanovich:
Linking Documentation and Source Code in a Software Chrestomathy. WCRE 2012: 335-344 - [i13]Ralf Lämmel, Simon J. Thompson, Markus Kaiser:
Programming errors in traversal programs over structured data. CoRR abs/1201.6057 (2012) - 2011
- [j20]Ralf Lämmel, Vadim Zaytsev:
Recovering grammar relationships for the Java Language Specification. Softw. Qual. J. 19(2): 333-378 (2011) - [c72]Ralf Lämmel:
Understanding programming technologies by analogy, examples, and abstraction: extended abstract (AOSD'11 tutorial). AOSD (Companion) 2011: 55-56 - [c71]Hagen Schink, Martin Kuhlemann, Gunter Saake, Ralf Lämmel:
Hurdles in Multi-language Refactoring of Hibernate Applications. ICSOFT (2) 2011: 129-134 - [c70]Azamatbek Mametjanov, Victor L. Winter, Ralf Lämmel:
More precise typing of rewrite strategies. LDTA 2011: 3 - [c69]Ralf Lämmel, Ekaterina Pek, Jürgen Starek:
Large-scale, AST-based API-usage analysis of open-source Java projects. SAC 2011: 1317-1324 - [c68]Lucinéia Turnes, Rodrigo Bonifácio, Vander Alves, Ralf Lämmel:
Techniques for Developing a Product Line of Product Line Tools: A Comparative Study. SBCARS 2011: 11-20 - [c67]Bernd Fischer, Ralf Lämmel, Vadim Zaytsev:
Comparison of Context-Free Grammars Based on Parsing Generated Test Data. SLE 2011: 324-343 - [c66]Ralf Lämmel, Rufus Linke, Ekaterina Pek, Andrei Varanovich:
A Framework Profile of .NET. WCRE 2011: 141-150 - [c65]William R. Cook, Ralf Lämmel:
Tutorial on Online Partial Evaluation. DSL 2011: 168-180 - [e8]João M. Fernandes, Ralf Lämmel, Joost Visser, João Saraiva:
Generative and Transformational Techniques in Software Engineering III - International Summer School, GTTSE 2009, Braga, Portugal, July 6-11, 2009. Revised Papers. Lecture Notes in Computer Science 6491, Springer 2011, ISBN 978-3-642-18022-4 [contents] - 2010
- [j19]Ralf Lämmel, Vadim Zaytsev:
Reverse Engineering Grammar Relationships. Softwaretechnik-Trends 30(2) (2010) - [c64]Ralf Lämmel:
The hitchhiker's guide to software languages. GPCE 2010: 1-2 - [c63]Thiago Tonelli Bartolomei, Krzysztof Czarnecki, Ralf Lämmel:
Swing to SWT and back: Patterns for API migration by wrapping. ICSM 2010: 1-10 - [c62]Ralf Lämmel, Ekaterina Pek:
Vivisection of a Non-Executable, Domain-Specific Language - Understanding (the Usage of) the P3P Language. ICPC 2010: 104-113 - [c61]Mathias Fritzsche, Wasif Gilani, Ralf Lämmel, Frédéric Jouault:
Model Transformation Chains in Model-Driven Performance Engineering: Experiences and Future Research Needs. Modellierung 2010: 213-220 - [c60]Davide Di Ruscio, Ralf Lämmel, Alfonso Pierantonio:
Automated Co-evolution of GMF Editor Models. SLE 2010: 143-162 - [c59]Vadim Zaytsev, Ralf Lämmel:
A Unified Format for Language Documents. SLE 2010: 206-225 - [c58]Jean-Marie Favre, Dragan Gasevic, Ralf Lämmel, Ekaterina Pek:
Empirical Language Analysis in Software Linguistics. SLE 2010: 316-326 - [i12]Davide Di Ruscio, Ralf Lämmel, Alfonso Pierantonio:
Automated co-evolution of GMF editor models. CoRR abs/1006.5761 (2010) - [i11]Ralf Lämmel, Vadim Zaytsev:
Recovering Grammar Relationships for the Java Language Specification. CoRR abs/1008.4188 (2010)
2000 – 2009
- 2009
- [j18]René L. Krikhaar, Ralf Lämmel:
Guest editors' introduction. Sci. Comput. Program. 74(7): 397-398 (2009) - [j17]Jean-Marie Favre, Dragan Gasevic, Ralf Lämmel, Andreas Winter:
Guest Editors' Introduction to the Special Section on Software Language Engineering. IEEE Trans. Software Eng. 35(6): 737-741 (2009) - [c57]Krzysztof Czarnecki, J. Nathan Foster, Zhenjiang Hu, Ralf Lämmel, Andy Schürr, James F. Terwilliger:
Bidirectional Transformations: A Cross-Discipline Perspective. ICMT@TOOLS 2009: 260-283 - [c56]Ralf Lämmel, Vadim Zaytsev:
An Introduction to Grammar Convergence. IFM 2009: 246-260 - [c55]Ralf Lämmel:
Scrap your boilerplate: prologically! PPDP 2009: 7-12 - [c54]