Prof. Dr. Jan Vahrenhold

• Articles
• Working Papers
• Edited Collections
• Theses (Doctoral or Postdoctoral)

Articles

Research Articles in Edited Proceedings (Conferences)

2024

• Dornbusch, Maja; Vahrenhold, Jan. 2024. ‘"In the Beginning, I Couldn't Necessarily Do Anything With It": Links Between Compiler Error Messages and Sense of Belonging.’ In Proceedings of the 2024 ACM Conference on International Computing Education Research (ICER 2024), edited by Denny, Paul; Porter, Leo; Hamilton, Margaret; Morrison, Briana, 14–26. New York, NY: ACM Press. doi: 10.1145/3632620.3671105.
• Wortmann, Carolin; Vahrenhold, Jan. 2024. ‘Regulation, Self-Efficacy, and Participation in CS1 Group Work.’ In Proceedings of the 2024 ACM Conference on International Computing Education Research (ICER 2024), edited by Denny, Paul; Porter, Leo; Hamilton, Margaret; Morrison, Briana, 359–373. New York, NY: ACM Press. doi: 10.1145/3632620.3671115.
• Thießen, Thore; Vahrenhold, Jan. 2024. ‘Optimal Offline ORAM with Perfect Security via Simple Oblivious Priority Queues.’ In Proceedings of the 35th International Symposium on Algorithms and Computation (ISAAC 2024), edited by Mestre, Julián; Wirth, Anthony. Wadern: Dagstuhl Publishing. doi: 10.4230/LIPIcs.ISAAC.2024.36. [accepted / in Press (not yet published)]
• Steinhorst, Phil; Duhme, Christof; Jiang, Xiaoyi; Vahrenhold, Jan. 2024. ‘Recognizing Patterns in Productive Failure.’ In Proceedings of the 55th ACM Technical Symposium on Computer Science Education V. 1, edited by Battestilli, Lina; Rebelsky, Samuel; Shoop, Libby, 1293–1299. New York, NY: ACM Press. doi: 10.1145/3626252.3630915.

2023

• Steinhorst, Phil; Petersen, Andrew; Simion, Bogdan; Vahrenhold, Jan. 2023. ‘Exploring Barriers in Productive Failure.’ In Proceedings of the 19th ACM Conference on International Computing Education Research (ICER 2023), Vol. I, edited by Fisler, Kathi; Denny, Paul; Franklin, Diana; Hamilton, Margaret, 284–297. New York, NY: ACM Press. doi: 10.1145/3568813.3600111.
• Sanders, Kate; Vahrenhold, Jan; McCartney, Robert. 2023. ‘How Do Computing Education Researchers Talk About Threats and Limitations?’ In Proceedings of the 19th ACM Conference on International Computing Education Research (ICER 2023), Vol. I, edited by Fisler, Kathi; Denny, Paul; Franklin, Diana; Hamilton, Margaret, 381. New York, NY: ACM Press. doi: 10.1145/3568813.3600114.
• Parker, Miranda C.; Davidson, Matt J.; Kao, Yvonne S.; Margulieux, Lauren E.; Tidler, Zachary R.; Vahrenhold, Jan. 2023. ‘Toward CS1 Content Subscales: A Mixed-Methods Analysis of an Introductory Computing Assessment.’ In Proceedings of the 23rd Koli Calling International Conference on Computing Education Research (Koli Calling 2023), edited by Mühling, Andreas; Jormanainen, Ilkka, 1–13. New York, NY: ACM Press. doi: 10.1145/3631802.3631828.
• Cutts, Quintin; Kallia, Maria; Anderson, Ruth; Crick, Tom; Devlin, Marie; Farghally, Mohammed; Mirolo, Claudio; Runde, Ragnhild Kobro; Seppälä, Otto; Urquiza-Fuentes, Jaime; Vahrenhold, Jan. 2023. ‘Arguments for and Approaches to Computing Education in Undergraduate Computer Science Programmes.’ In Proceedings of the 2023 Working Group Reports on Innovation and Technology in Computer Science Education (ITiCSE-WGR 2023), edited by Alshaigy, Bedour; Bouvier, Dennis, 160–195. New York, NY: ACM Press. doi: 10.1145/3623762.3633494.

2022

• Decker A, Weiss MA, Becker BA, Dougherty JP, Edwards SA, Goode J, Ko AJ, McGill MM, Morrison BB, Perez-Quinones M, Rankin YA, Ross M, Vahrenhold J, Weintrop D, Yadav A. 2022. ‘Piecing Together the Next 15 Years of Computing Education Research Workshop Report.’ In Proceedings of the 53rd ACM Technical Symposium on Computer Science Education, edited by Sheard J, Soh LK, Dorn B, 1051–1052. New York, NY: ACM Press. doi: 10.1145/3478432.3499037.
• Thießen, Thore; Vahrenhold, Jan. 2022. ‘Klee’s Measure Problem Made Oblivious.’ In LATIN 2022: Theoretical Informatics, 15th Latin American Symposium, Guanajuato, Mexico, November 7–11, 2022, Proceedings, edited by Castañeda, Armando; Rodríguez-Henríquez, Francisco, 121–138. Heidelberg: Springer. doi: 10.1007/978-3-031-20624-5_8.

2021

• Seep J, Vahrenhold J. 2021. ‘K-Means for Semantically Enriched Trajectories.’ In Proceedings of the 1st ACM SIGSPATIAL International Workshop on Animal Movement Ecology and Human Mobility (HANIMOB'21), edited by Hachem F, Ossi F, Cagnacci F, Damiani L, Demsar U, 38–47. New York, NY: ACM Press. doi: 10.1145/3486637.3489495.
• Kather P, Vahrenhold J. 2021. ‘Exploring Algorithm Comprehension: Linking Proof and Program Code.’ In Proceedings of the 21st Koli Calling International Conference on Computing Education Research (Koli Calling 2021), edited by Seppälä O, Petersen A, 28:1–28:10. doi: 10.1145/3488042.3488061.
• Thießen T, Vahrenhold J. 2021. ‘Oblivious Median Slope Selection.’ In Proceedings of the 33rd Canadian Conference on Computational Geometry, edited by He M, Sheehy D, 320–331.
• Kather P, Vahrenhold J. 2021. ‘Is Algorithm Comprehension Different from Program Comprehension?’ In Proceedings of the 2021 IEEE/ACM 29th International Conference on Program Comprehension (ICPC), edited by Serebrenik A, Sarma A, Palomba F, Hermans F, Ichinco M, 455–466. New York City: Wiley-IEEE Computer Society Press. doi: 10.1109/ICPC52881.2021.00053.

2020

• Lewis, CM, Bers M, Blikstein P, duBoulay B, Falkner K, Fincher SA, Fisler K, Goode J, Guzdial M, Haden P, Hundhausen C, Ko AJ, Lancaster T, Loui MC, Margulieux L, Morrison B, Porter L, Robins A, Shah N, Shapiro BR, Shephard K, Tissenbaum M, Utting I, Vahrenhold J, Waite J, Yadav A. 2020. ‘The Cambridge Handbook of Computing Education Research Summarized in 75 Minutes.’ In Proceedings of the 51st ACM Technical Symposium on Computer Science Education, edited by Heckman S, Monge A, Cutter P, 323–324. New York, NY: ACM Press. doi: 10.1145/3328778.3366988.
• Pieper U, Vahrenhold J. 2020. ‘Critical Incidents in K-12 Computer Science Classrooms - Towards Vignettes for Computer Science Teacher Training.’ In Proceedings of the 51st ACM Technical Symposium on Computer Science Education, edited by Heckman S, Monge A, Cutter P, 978–984. New York, NY: ACM Press. doi: 10.1145/3328778.3366926.
• Steinhorst, Phil; Petersen, Andrew; Vahrenhold, Jan. 2020. ‘Revisiting Self-Efficacy in Introductory Programming.’ In ICER '20: Proceedings of the 2020 ACM Conference on International Computing Education Research, edited by Robins, Anthony V.; Ko, Amy J., 158–169. New York, NY: ACM Press. doi: 10.1145/3372782.3406281.
• Petre M, Sanders K, McCartney R, Ahmadzadeh M, Connolly C, Hamouda S, Harrington B, Lumbroso J, Maguire J, Malmi L, McGill MM, Vahrenhold J. 2020. ‘Mapping the Landscape of Peer Review in Computing Education Research.’ In ITiCSE-WGR '20: Proceedings of the Working Group Reports on Innovation and Technology in Computer Science Education, edited by Rößling G, Krogstie B, 173–209. New York, NY: ACM Press. doi: 10.1145/3437800.3439207.

2019

• Seep J, Vahrenhold J. 2019. ‘Inferring Semantically Enriched Representative Trajectories.’ Contributed to the 1st ACM SIGSPATIAL International Workshop on Computing with Multifaceted Movement Data (MOVE++ 2019), Chicago, IL, USA. doi: 10.1145/3356392.3365220.

2018

• Toma L, Vahrenhold J. 2018. ‘Self-Efficacy, Cognitive Load, and Emotional Reactions in Collaborative Algorithms Labs - A Case Study.’ In Proceedings of the 14th International Computing Education Research Conference (ICER 2018), edited by Malmi L, McCartney R, 1–10. New York, NY: ACM Press. doi: 10.1145/3230977.3230980.
• Caspersen ME, Gal-Ezer J, Nardelli E, Vahrenhold J, Westermeier M. 2018. ‘The CECE Report: Creating a Map of Informatics in European Schools.’ In Proceedings of the 49th ACM Technical Symposium on Computer Science Education, edited by Barnes T, Garcia D, 916–917. New York, NY: ACM Press. doi: 10.1145/3159450.3159633.

2017

• Dütsch F, Vahrenhold J. 2017. ‘A Filter-and-Refinement-Algorithm for Range Queries Based on the Fréchet Distance (GIS Cup).’ In Proceedings of the 25th ACM SIGSPATIAL International Conference in Geographic Information Systems (SIGSPATIAL 2017), 100.1–100.4. New York, NY: ACM Press. doi: 10.1145/3139958.3140063.
• Danielsiek H, Toma L, Vahrenhold J. 2017. ‘An Instrument to Assess Self-Efficacy in Introductory Algorithms Courses.’ In Proceedings of the thirteenth annual ACM International Computing Education Research (ICER) conference, edited by Tenenberg J, Chinn D, Malmi L, Korhonen A, Sheard J, 217–225. New York, NY: ACM Press. doi: 10.1145/3105726.3106171.
• Danielsiek H, Hubwieser P, Krugel J, Magenheim J, Ohrndorf L, Ossenschmidt D, Schaper N, Vahrenhold J. 2017. „Kompetenzbasierte Gestaltungsempfehlungen für Informatik-Tutorenschulungen.“ In INFORMATIK 2017, herausgegeben von Eibl M, Gaedke M, 241–254. Bonn: Gesellschaft für Informatik. doi: 10.18420/in2017_18.
• Danielsiek H, Hubwieser P, Krugel J, Magenheim J, Ohrndorf L, Ossenschmidt D, Schaper N, Vahrenhold J. 2017. ‘Undergraduate Teaching Assistants in Computer Science: Teaching-Related Beliefs, Tasks, and Competences.’ In Proceedings of the IEEE Global Engineering Education Conference (EDUCON), edited by Douligeris C, Auer ME, Sgouropoulou C, Stracke C, Xenos M, 718–725. New York City: Wiley-IEEE Press. doi: 10.1109/EDUCON.2017.7942927.
• Beckemeyer M, Vahrenhold J. 2017. ‘Bulk-Loading an Index for Temporally Overlaying Spatio-Textual Trajectories.’ In Proceedings of the 6th ACM SIGSPATIAL Workshop on Analytics for Big Geospatial Data (BigSpatial 2017), edited by Chandola V, Vatsavai RR, 1–10. New York, NY: ACM Press. doi: 10.1145/3150919.3150922.

2016

• Blunck H, Temme S, Vahrenhold J. 2016. ‘Deviation Maps - Enhancing Robustness and Predictability of Indoor Positioning Systems.’ In Proceedings of the 5th ACM SIGSPATIAL International Workshop on Mobile Geographic Information Systems (MobiGIS 2016), edited by Shekar S, Damiani ML, Chow C-Y, Nourjou R, 88–91. New York, NY: ACM Press. doi: 10.1145/3004725.3004727.
• Scheffer C, Vahrenhold J. 2016. ‘Approximate Shortest Distances Among Smooth Obstacles in 3D.’ In Proceedings of the 27th International Symposium on Algorithms and Computation, edited by Hong S-H, 60:1–60:13. Wadern: Dagstuhl Publishing. doi: 10.4230/LIPIcs.ISAAC.2016.60.
• Thies R, Vahrenhold J. 2016. ‘Back to School: Computer Science Unplugged in the Wild.’ In Proceedings of the 21th Annual Conference on Innovation and Technology in Computer Science Education (ITiCSE 2016), edited by Clear A, Cuadros E, Carter J, Tupac Y, 118–123. New York, NY: ACM Press. doi: 10.1145/2899415.2899442.
• Danielsiek H, Vahrenhold J. 2016. ‘Stay on These Roads: Potential Factors Indicating Students' Performance in a CS2 Course.’ In Proceedings of the 47th ACM Technical Symposium on Computer Science Education (SIGCSE 2016), edited by Alphonce C, Tims J, Caspersen ME, Edwards S, 12–17. New York, NY: ACM Press. doi: 10.1145/2839509.2844591.

2015

• Prentow T, Thom A, Blunck H, Vahrenhold J. 2015. ‘Making Sense of Trajectory Data in Indoor Spaces .’ In Proceedings of the 16th IEEE International Conference on Mobile Data Management, edited by Madria S, Pitoura E, Zheng B, 116–121. New York City: Wiley-IEEE Press. doi: 10.1109/MDM.2015.44.
• Dewji N, Wolfman SA, Herman GL, Porter L, Taylor C, Vahrenhold J. 2015. ‘The CS Concept Inventory Quiz Show.’ In Proceedings of the 46th SIGCSE Technical Symposium on Computer Science Education (SICGSE 2015), edited by Decker A, Eiselt K, Alphonce C, Tims J, 669–670. New York, NY: ACM Press. doi: 10.1145/2676723.2677315.

2013

• Scheffer C, Vahrenhold J. 2013. ‘Approximating Weighted Geodesic Distances in R^3.’ In Proceedings of the 29th European Workshop on Computational Geometry, edited by Fekete, S, 107–110.
• Danielsiek H, Humbert L, Vahrenhold J. 2013. ‘Research-Based Learning Revisited: On Using a Delphi Process in Informatics Teacher Education.’ In Proceedings of the 6th Conference on Informatics in Schools: Situation, Evolution and Perspectives (ISSEP 2013), edited by Diethelm I, Mittermeir R, 196–208. Heidelberg: Springer. doi: 10.1007/978-3-642-36617-8_17.
• Thies R, Vahrenhold J. 2013. ‘On Plugging "Unplugged" into CS Classes.’ In Proceedings of the 44th SIGCSE Technical Symposium on Computer Science Education (SICGSE 2013), edited by Camp T, Tymann PT, Dougherty JD, Nagel K, 365–370. New York, NY: ACM Press. doi: 10.1145/2445196.2445303.
• Paul W, Vahrenhold J. 2013. ‘Hunting High and Low: Instruments to Detect Misconceptions Related to Algorithms and Data Structures.’ In Proceedings of the 44th SIGCSE Technical Symposium on Computer Science Education (SICGSE 2013), edited by Camp T, Tymann PT, Dougherty JD, Nagel K, 29–34. New York, NY: ACM Press. doi: 10.1145/2445196.2445212.
• Vahrenhold J. 2013. „Diagnose und individuelle Förderung (im Informatik-Unterricht).“ In Informatik erweitert Horizonte: 15. GI-Fachtagung Informatik und Schule, herausgegeben von Breier N, Stechert P, Wilke Th, 23. Bonn: Köllen.

2012

• Vahrenhold J. 2012. ‘On the Importance of Being Earnest: Challenges in Computer Science Education.’ In Proceedings of the 7th Workshop in Primary and Secondary Computing Education, edited by Knobelsdorf M, Romeike R, 3–4. New York, NY: ACM Press. doi: 10.1145/2481449.2481452.
• Temme S, Vahrenhold J. 2012. ‘Revisiting the Construction of SSPDs in the Presence of Memory Hierarchies.’ In 28th European Workshop on Computational Geometry, Booklet of Abstracts, edited by Didimo W, Liotta G, 57–60.
• Scheffer C, Vahrenhold J. 2012. ‘Simplified Medial-Axis Approximation with Guarantees.’ In 28th European Workshop on Computational Geometry, Booklet of Abstracts, edited by Didimo W, Liotta G, 161–164.
• Vahrenhold J. 2012. ‘On the Space-Efficiency of the "Ultimate Planar Convex Hull Algorithm".’ In 24th Canadian Conference on Computational Geometry, edited by Aloupis G, Bremner D, 139–144.
• Thies R, Vahrenhold J. 2012. ‘Reflections on outreach programs in CS classes: learning objectives for ''Unplugged'' activities.’ In Proceedings of the 43rd SIGCSE Technical Symposium on Computer Science Education (SICGSE 2012), edited by King LAS, Musicant DR, Camp T, Tymann PT, 487–492. New York, NY: ACM Press. doi: 10.1145/2157136.2157281.
• Pasternak A, Vahrenhold J. 2012. ‘Design and Evaluation of a Braided Teaching Course in Sixth Grade Computer Science Education.’ In Proceedings of the 43rd SIGCSE Technical Symposium on Computer Science Education (SICGSE 2012), edited by King LAS, Musicant DR, Camp T, Tymann PT, 45–50. New York, NY: ACM Press. doi: 10.1145/2157136.2157154.
• Gudmundsson J, Thom A, Vahrenhold J. 2012. ‘Of Motifs and Goals: Mining Trajectory Data.’ In Proceedings of the 20th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS 2012) , edited by Tanin E, Kröger P, Widmayer P, 129–138. doi: 10.1145/2424321.2424339.
• Danielsiek H, Paul W, Vahrenhold J. 2012. ‘Detecting and Understanding Students' Misconceptions Related to Algorithms and Data Structures.’ In Proceedings of the 43rd SIGCSE Technical Symposium on Computer Science Education (SICGSE 2012), edited by King LAS, Musicant DR, Camp T, Tymann PT, 21–26. New York, NY: ACM Press. doi: 10.1145/2157136.2157148.

2011

• Scheffer C, Vahrenhold J. 2011. ‘Learning a 2-Manifold with a Boundary in R^3.’ In Abstracts from EuroCG 2011, 27th European Workshop on Computational Geometry, edited by Hoffmann M, 213–216.
• Vahrenhold J. 2011. ‘On Misconceptions and Implementing 'A Class Defines a Data Type'.’ In Proceedings of Selected Papers of the 5th International Conference on Informatics in Schools: Situation, Evolution and Perspectives (ISSEP 2011), edited by Bezáková D, Kalaš I.
• Scheffer C, Vahrenhold J. 2011. ‘Approximating Geodesic Distances on 2-Manifolds in R^3.’ In Proceedings of the 23rd Canadian Conference on Computational Geometry (CCCG 2011), edited by Aloupis G, Bremner D, 325–330.

2010

• Stephenson C, Gal-Ezer J, Philipps M, Vahrenhold J. 2010. ‘Professional Associations in K-12 Computer Science.’ In Proceedings of the 15th Annual Conference on Innovation and Technology in Computer Science Education (ITiCSE 2010), edited by Ayfer R, Impagliazzo J, Laxer C, 329–330. New York, NY: ACM Press. doi: 10.1145/1822090.1822207.
• Bell T, Pasternak A, Stephenson C, Tucker AB, Vahrenhold J. 2010. ‘Implementing CS Curricula in Secondary Education: An International Perspective.’ In Proceedings of the 40th Annual Frontiers in Education Conference (FIE 2010), T2B–1–T2B–3. New York City: Wiley-IEEE Computer Society Press. doi: 10.1109/FIE.2010.5673370.
• Pasternak A, Vahrenhold J. 2010. ‘Braided Teaching in Secondary CS Education: Contexts, Continuity, and the Role of Programming.’ In Proceedings of the 41st SIGCSE Technical Symposium on Computer Science Education (SICGSE 2010), edited by Cortina T, Walker E, 204–208. New York, NY: ACM Press. doi: 10.1145/1734263.1734336.
• Gieseke F, Moruz G, Vahrenhold J. 2010. ‘Resilient K-d Trees: K-Means in Space Revisited.’ In Proceedings of the 10th IEEE International Conference on Data Mining (ICDM 2010), 815–820. New York City: Wiley-IEEE Computer Society Press. doi: 10.1109/ICDM.2010.94.
• Gieseke F, Polsterer KL, Thom A, Zinn P, Bomans D, Dettmar R, Kramer O, Vahrenhold J. 2010. ‘Detecting Quasars in Large-Scale Astronomical Surveys.’ In Proceedings of the Ninth International Conference on Machine Learning and Applications (ICMLA 2010), 352–357. New York City: Wiley-IEEE Computer Society Press. doi: 10.1109/ICMLA.2010.59.

2009

• Gieseke F, Vahrenhold J. 2009. ‘Cache-Oblivious Construction of a Well-Separated Pair Decomposition.’ In Proceedings of the 25th European Workshop on Computational Geometry, edited by Langerman S, 341–344.
• Pasternak A, Vahrenhold J. 2009. „Rote Fäden zur Kontextorientierung im Informatikunterricht.“ In Informatische Bildung in Theorie und Praxis, 13. GI-Fachtagung - Informatik und Schule (INFOS 2009), herausgegeben von Peters I, 45–56. Berlin: LOG IN Verlag.

2008

• Becker L, Partzsch H, Vahrenhold J. 2008. ‘Query Responsive Index Structures.’ In Proceedings of the Fifth International Conference on Geographic Information Science (GIScience 2008), edited by Cova TJ, Miller HJ, Beard K, Frank AU, Goodchild MF, 1–19. Heidelberg: Springer. doi: 10.1007/978-3-540-87473-7_1.

2007

• Jansen C, Steinicke F, Hinrichs KH, Vahrenhold J, Schwald B. 2007. ‘Generating Optimized Marker-based Rigid Bodies for Optical Tracking.’ In Proceedings of the Second International Conference on Computer Vision Theory and Applications (VISAPP 2007), edited by Ranchordas A, Araújo H, Vitrià J, 387–395. Lissabon: INSTICC.
• Jansen C, Steinicke F, Hinrichs KH, Vahrenhold J, Schwald B. 2007. ‘Performance Improvement for Optical Tracking by Adapting Marker Arrangements.’ In Proceedings of the VR Workshop on Trends and Issues in Tracking for Virtual Environments, edited by Zachmann G, 28–33. Düren: Shaker Verlag.

2006

• Meyer-Spradow J, Ropinski T, Vahrenhold J, Hinrichs KH. 2006. ‘Illustrating Dynamics of Time-Varying Volume Datasets in Static Images.’ In Proceedings of the 11th International Fall Workshop on Vision, Modeling, and Visualization (VMV 2006), edited by Kobbelt L, Kuhlen T, Aach T, Westermann R, 333–340. Berlin: Akademische Verlagsgesellschaft.
• Blunck H, Hinrichs KH, Sondern J, Vahrenhold J. 2006. ‘Modeling and Engineering Algorithms for Mobile Data.’ In Progress in Spatial Data Handling, 12th International Symposium on Spatial Data Handling, 61–77. Heidelberg: Springer. doi: 10.1007/3-540-35589-8_5.
• Blunck H, Vahrenhold J. 2006. ‘In-Place Randomized Slope Selection.’ In 22nd European Conference on Computational Geometry, edited by Emiris I, Karavelas M, Palios L, 177–180.
• Blunck H, Vahrenhold J. 2006. ‘In-Place Algorithms for Computing (Layers of) Maxima.’ In 22nd European Conference on Computational Geometry, edited by Emiris I, Karavelas M, Palios L, 181–184.
• Hazel T, Toma L, Vahrenhold J, Wickremesinghe R. 2006. ‘TerraCost: A Versatile and Scalable Approach to Computing Least-Cost-Path Surfaces for Massive Grid-Based Terrains.’ In Proceedings of the 21th Annual ACM Symposium on Applied Computing (SAC '06), 52–57. New York, NY: ACM Press. doi: 10.1145/1141277.1141290.
• Blunck H, Vahrenhold J. 2006. ‘In-Place Randomized Slope Selection.’ In Proceedings of the 6th Conference on Algorithms and Complexity (CIAC 2006), edited by Calamoneri T, Finocchi I, Italiano GF, 31–40. Heidelberg: Springer. doi: 10.1007/11758471_6.
• Blunck H, Vahrenhold J. 2006. ‘In-Place Algorithms for Computing (Layers of) Maxima.’ In Proceedings of the 10th Scandinavian Workshop on Algorithm Theory (SWAT 2006), edited by Arge LA, Freivalds R, 363–374. Heidelberg: Springer. doi: 10.1007/11785293_34.

2005

• Vahrenhold J. 2005. ‘Line-Segment Intersection Made In-Place.’ In Proceedings of the Ninth International Workshop on Algorithms and Data Structures (WADS 2005), edited by López-Ortiz A, Dehne F, Sack J, 146–157. Heidelberg: Springer. doi: 10.1007/11534273_14.
• Gudmundsson J, Vahrenhold J. 2005. ‘I/O-Efficiently Pruning Dense Spanners.’ In Revised Selected Papers of the Japanese Conference on Discrete and Computational Geometry (JCDCG 2004), edited by Akiyama J, Kano M, Tan X, 106–116. Heidelberg: Springer. doi: 10.1007/11589440_11.

2004

• Becker L, Blunck H, Hinrichs KH, Vahrenhold J. 2004. ‘A Framework for Representing Moving Objects.’ In Proceedings of the 15th International Conference on Database and Expert Systems Applications (DEXA 2004), edited by Galino F, Takizawa M, Traunmüller R, 854–863. Heidelberg: Springer. doi: 10.1007/978-3-540-30075-5_82.
• Gudmundsson J, Vahrenhold J. 2004. ‘I/O-Efficiently Pruning Dense Spanners.’ In Japan Conference on Discrete and Computational Geometry, JCDCG 2004, A Conference in Honor of János Pach on his 50th Year, edited by Akiyama J, Kano M, 35–36.
• Bose P, Maheshwari A, Morin P, Morrison J, Smid M, Vahrenhold J. 2004. ‘Space-Efficient Geometric Divide-and-Conquer Algorithms.’ In 20th European Workshop on Computational Geometry, Abstracts, edited by Díaz-Báñez JM, Márquez A, Portillo JR, 65–68.
• Becker L, Blunck H, Hinrichs KH, Vahrenhold J. 2004. „Ein Rahmenwerk zur Repräsentation von sich bewegenden Objekten.“ In Beitragsband zum Workshop "Grundlagen und Anwendungen mobiler Informationstechnologie" des GI-Arbeitskreises Mobile Datenbanken und Informationssysteme, herausgegeben von Höpfner H, Saake G, 3–12.
• Blunck H, Hinrichs KH, Puke I, Vahrenhold J. 2004. „Verarbeitung von Trajektorien mobiler Objekte.“ In Geoinformation und Mobilität - von der Forschung zur praktischen Anwendung. Beiträge zu den Münsteraner GI-Tagen 2004, herausgegeben von Raubal M, Sliwinski A, Kuhn W, 29–41.
• Becker L, Gerke T, Hinrichs KH, Strauf nee Hausmann T, Vahrenhold J. 2004. ‘An XML- and Log-Based Infrastructure For Evaluating And Teaching Spatio-Temporal Indexing Schemes.’ In Database and Expert Systems Applications, 2004. Proceedings. 15th International Workshop on, 851–855. New York City: Wiley-IEEE Press. doi: 10.1109/DEXA.2004.1333583.

2002

• Maheswari, Anil; Vahrenhold, Jan; Zeh, Norbert. 2002. ‘On Reverse Nearest Neighbor Queries (Extended Abstract).’ In Proceedings of the 14th Canadian Conference on Computational Geometry, edited by Wismath, Steven, 128–132. N/A: Selbstverlag / Eigenverlag.

2001

• Agarwal, Pankaj K.; Arge, Lars A.; Vahrenhold, Jan. 2001. ‘Time-Responsive External Data Structures for Moving Points.’ In Proceedings of the Seventh International Workshop on Algorithms and Data Structures (WADS 2001), edited by Dehne, Frank; Sack, Jörg R.; Tamassia, Roberto, 50–61. Heidelberg: Springer. doi: 10.1007/3-540-44634-6_6.
• Agarwal, Pankaj K.; de Berg, Mark; Har-Peled, Sariel; Overmars, Mark H, ; Sharir, Micha; Vahrenhold, Jan. 2001. ‘Reporting Intersecting Pairs of Polytopes in Two and Three Dimensions.’ In Proceedings of the Seventh International Workshop on Algorithms and Data Structures (WADS 2001), edited by Dehne, Frank; Sack, Jörg-Rüdiger; Tamassia, Roberto, 122–134. Heidelberg: Springer. doi: 10.1007/3-540-44634-6_12.

2000

• Arge, Lars A.; Procopiuc, Octavian; Ramaswamy, Sridhar; Suel, Torsten; Vahrenhold, Jan; Vitter, Jeffrey S. 2000. ‘A Unified Approach For Indexed and Non-Indexed Spatial Joins.’ In Advances in Database Technology - Proceedings of the 7th International Conference on Extending Databases Technology (EDBT '00), edited by Zaniolo, Carlo; Lockemann, Peter C.; Scholl, Marc H.; Grust, Thorsten, 413–429. Heidelberg: Springer. doi: 10.1007/3-540-46439-5_29.
• Arge, Lars A.; Vahrenhold, Jan. 2000. ‘I/O-Efficient Dynamic Planar Point Location (Extended Abstract).’ In SCG '00: Proceedings of the Sixteenth Annual Symposium on Computational Geometry , edited by Cheng, Siu-Wing; Cheong, Otfried; Agarwal, Pankaj K.; Fortune, Steven, 191–200. New York, NY: ACM Press. doi: 10.1145/336154.336205.
• Vahrenhold, Jan; Hinrichs, Klaus H. 2000. ‘Planar Point Location for Large Data Sets: To Seek or Not to Seek.’ In Algorithm Engineering, 4th International Workshop, WAE 2000, edited by Näher, Stefan; Wagner, Dorothea, 183–194. Heidelberg: Springer. doi: 10.1007/3-540-44691-5_16.

1999

• Becker, Ludger; Giesen, André; Hinrichs, Klaus H; Vahrenhold, Jan. 1999. ‘Algorithms for Performing Map Overlay and Spatial Join for Massive Data Sets.’ In Advances in Spatial Databases - Proceedings of the Sixth International Symposium on Spatial Databases (SSD '99), edited by Güting, Ralf Hartmut; Papadias, Dimitris; Lochovsky, Fred, 270–285. Heidelberg: Springer. doi: 10.1007/3-540-48482-5_17.
• Arge, Lars A.; Hinrichs, Klaus H.; Vahrenhold, Jan; Vitter, Jeffrey S. 1999. ‘Efficient Bulk Operations on Dynamic R-trees (extended abstract).’ In Algorithm Engineering and Experimentation, International Workshop ALENEX '99, edited by Goodrich, Michael T.; McGeoch, Catherine C., 328–347. Heidelberg: Springer. doi: 10.1007/3-540-48518-X_20.

Book Contributions

Research Article (Book Contributions)

• Vahrenhold, Jan. 2024. „Das systematische Vorgehen im Fokus.“ In Wirksamer Informatikunterricht. Unterrichtsqualität: Perspektiven von Expertinnen und Experten, herausgegeben von Komm, Dennis, 198–206. Baltmannsweiler: Schneider Verlag Hohengehren.
• Eickelmann, Birgit; Fröhlich, Nadine; Bos, Wilfried; Gerick, Julia; Goldhammer, Frank; Schaumburg, Heike; Schwippert, Knut; Senkbeil, Martin; Vahrenhold, Jan. 2024. „Die IEA-Studie ICILS 2023 - Informationen zur Anlage und Durchführung der Studie.“ In ICILS 2023 #Deutschland - Computer- und informationsbezogene Kompetenzen und Kompetenzen im Bereich Computational Thinking von Schüler*innen im internationalen Vergleich, herausgegeben von Eickelmann, Birgit; Fröhlich, Nadine; Bos, Wilfried; Gerick, Julia; Goldhammer, Frank; Schaumburg, Heike; Schwippert, Knut; Senkbeil, Martin; Vahrenhold, Jan, 7–45. Münster: Waxmann. doi: 10.31244/9783830999492.01.
• Eickelmann, Birgit; Vahrenhold, Jan; Drossel, Kerstin; Niggemeier, Johannes; Niemann, Jan. 2024. „Kompetenzen im Bereich ,Computational Thinking' von Schüler*innen in Deutschland im zweiten internationalen Vergleich.“ In ICILS 2023 #Deutschland - Computer- und informationsbezogene Kompetenzen und Kompetenzen im Bereich Computational Thinking von Schüler*innen im internationalen Vergleich, herausgegeben von Eickelmann, Birgit; Fröhlich, Nadine; Bos, Wilfried; Gerick, Julia; Goldhammer, Frank; Schaumburg, Heike; Schwippert, Knut; Senkbeil, Martin; Vahrenhold, Jan, 255–287. Münster: Waxmann. doi: 10.31244/9783830999492.08.

• Kather, Philipp; Vahrenhold, Jan. 2022. „Unterschiede im Leseverhalten von Algorithmen und Programmen.“ In Eye-Tracking als Methode in der Mathematik- und Naturwissenschaftsdidaktik: Forschung und Praxis, herausgegeben von Klein, Pascal; Graulich, Nicole; Kuhn, Jochen; Schindler, Maike, 245–260. Heidelberg: Springer Spektrum. doi: 10.1007/978-3-662-63214-7_15.

• Labusch A, Eickelmann B, Vahrenhold J, Vennemann, M. 2020. „Kompetenzen im Bereich ‚Computational Thinking‘ von Schülerinnen und Schülern im internationalen Vergleich.“ In ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich, herausgegeben von Eickelmann B, Labusch A, Drossel K, Vennemann M (2020), 201–214. Münster: Waxmann.
• Vahrenhold J, Vennemann M, Labusch A, Eickelmann B. 2020. „Der Informatikunterricht aus Sicht schulischer Akteurinnen und Akteure - Analysen und Perspektiven.“ In ICILS 2018 #NRW. Vertiefende Analysen und Befunde für Nordrhein-Westfalen im internationalen Vergleich, herausgegeben von Eickelmann B, Labusch A, Drossel K, Vennemann M, 137–154. Münster: Waxmann.

• Eickelmann B, Vahrenhold J, Labusch A. 2019. „Der Kompetenzbereich ‚Computational Thinking‘: erste Ergebnisse des Zusatzmoduls für Deutschland im internationalen Vergleich.“ In ICILS 2018 #Deutschland – Computer- und informationsbezogene Kompetenzen von Schülerinnen und Schülern im zweiten internationalen Vergleich und Kompetenzen im Bereich Computational Thinking, herausgegeben von Eickelmann B, Bos W, Gerick J, Goldhammer F, Schaumburg H, Schwippert K, Senkbeil M, Vahrenhold J, 367–398. Münster: Waxmann.
• Senkbeil M, Eickelmann B, Vahrenhold J, Goldhammer F, Gerick J, Labusch A. 2019. „Das Konstrukt der computer- und informationsbezogenen Kompetenzen und das Konstrukt der Kompetenzen im Bereich ‚Computational Thinking‘ in ICILS 2018.“ In ICILS 2018 #Deutschland – Computer- und informationsbezogene Kompetenzen von Schülerinnen und Schülern im zweiten internationalen Vergleich und Kompetenzen im Bereich Computational Thinking, herausgegeben von Eickelmann B, Bos W, Gerick J, Goldhammer F, Schaumburg H, Schwippert K, Senkbeil M, Vahrenhold J, 79–111. Münster: Waxmann.
• Lewis CM, Clancy MJ, Vahrenhold J. 2019. ‘Student Knowledge and Misconceptions.’ In The Cambridge Handbook of Computing Education Research, edited by Fincher S, Robins AV, 773–800. Cambridge: Cambridge University Press. doi: 10.1017/9781108654555.028.
• Vahrenhold J, Cutts Q, Falkner K. 2019. ‘Schools (K-12).’ In The Cambridge Handbook of Computing Education Research, edited by Fincher S, Robins AV, 547–583. Cambridge: Cambridge University Press. doi: 10.1017/9781108654555.019.

• Bell T, Vahrenhold J. 2018. ‘CS Unplugged—How Is It Used, and Does It Work?’ In Adventures Between Lower Bounds and Higher Altitudes - Essays Dedicated to Juraj Hromkovič on the Occasion of His 60th Birthday, edited by Böckenhauer HJ, Komm D, Unger W, 497–521. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-98355-4_29.

• Vahrenhold J, Lorenz R, Eickelmann B. 2017. „Vermittlung informatischer Grundbildung im Unterricht der Sekundarstufe I im Bundesländervergleich.“ In Schule digital - der Länderindikator 2017. Schulische Medienbildung in der Sekundarstufe I mit besonderem Fokus auf MINT-Fächer im Bundesländervergleich und Trends von 2015 bis 2017, herausgegeben von Lorenz R, Bos W, Endberg M, Eickelmann B, Grafe S, Vahrenhold J, 205–230. Münster: Waxmann.

• Danielsiek Holger, Paul Wolfgang, Vahrenhold Jan. 2013. „Entwurf eines Diagnosekonzepts für die Sekundarstufe I am Beispiel des Fachs Informatik.“ In Diagnose und individuelle Förderung in der MINT-Lehrerbildung: Das Projekt dortMINT, herausgegeben von Hußmann Stephan, Selter Christoph, 101–114. Münster: Waxmann.
• Anus Sandra, Danielsiek Holger, Fischer Sandra, Girulat Annika, Graf Dittmar, Jelemenská Patrícia, Melle Insa, Nührenbörger Marcus, Paul Wolfgang, Vahrenhold Jan. 2013. „Diagnose und individuelle Förderung erlernen.“ In Diagnose und individuelle Förderung in der MINT-Lehrerbildung: Das Projekt dortMINT, herausgegeben von Hußmann Stephan, Selter Christoph, 97–100. Münster: Waxmann.

• Vahrenhold J. 2008. ‘B-Trees.’ In Encyclopedia of Algorithms, edited by Kao M, 108–112. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-0-387-30162-4_57.

• Breimann, Christian; Vahrenhold, Jan. 2003. ‘External Memory Computational Geometry Revisited.’ In Algorithms for Memory Hierarchies, edited by Meyer, Ulrich; Sanders, Peter; Sibeyn, Jop, 110–148. Düsseldorf: Springer VDI Verlag. doi: 10.1007/3-540-36574-5_6.

Entries in Encyclopediae (Book Contributions)

• Vahrenhold J. 2015. ‘B-Trees.’ In Encyclopedia of Algorithms, edited by Kao M-Y, 1–8. 2^nd Ed. Luxemburg: Springer Science+Business Media. doi: 10.1007/978-3-642-27848-8_57-2.
• Vahrenhold J. 2015. ‘Polygon Triangulation.’ In Encyclopedia of Algorithms, edited by Kao M-Y, 1–5. 2^nd Ed. Luxemburg: Springer Science+Business Media. doi: 10.1007/978-3-642-27848-8_506-1.

Working Papers

2019

• Guzidial M, Krishnamurthi S, Sorva J, Vahrenhold J. 2019. Notional Machines and Programming Language Semantics in Education (Dagstuhl Seminar 19281) Dagstuhl Reports, № 9(7), 2019. doi: 10.4230/DagRep.9.7.1.

2017

• Vahrenhold J, Nardelli E, Pereira C, Berry G, Caspersen ME, Gal-Ezer J, Kölling M, McGettrick A, Westermeier M. 2017. Informatics Education in Europe: Are We All In The Same Boat? , 2017. doi: 10.1145/3106077.

2016

• Caspersen ME, Fisler K, Vahrenhold J. 2016. Assessing Learning In Introductory Computer Science (Dagstuhl Seminar 16072) Dagstuhl Reports, № 6(2), 2016. doi: 10.4230/DagRep.6.2.78.

2013

• Gander W, Petit A, Berry G, Demo B, Vahrenhold J, McGettrick A, Boyle R, Drechsler M, Mendelson A, Stephenson C, Ghezzi C, Meyer B. 2013. Informatics education: Europe cannot afford to miss the boat , 2013.

Edited Collections

Books (Edited Collections)

2024

• Eickelmann, Birgit; Fröhlich, Nadine; Bos, Wilfried; Gerick, Julia; Goldhammer, Frank; Schaumburg, Heike; Schwippert, Knut; Senkbeil, Martin; Vahrenhold, Jan (Hrsg.): 2024. ICILS 2023 #Deutschland - Computer- und informationsbezogene Kompetenzen und Kompetenzen im Bereich Computational Thinking von Schüler*innen im internationalen Vergleich. Münster: Waxmann. doi: 10.31244/9783830999492.

2019

• Eickelmann B, Bos W, Gerick J, Goldhammer F, Schaumburg H, Schwippert K, Senkbeil M, Vahrenhold J (Hrsg.): 2019. ICILS 2018 #Deutschland – Computer- und informationsbezogene Kompetenzen von Schülerinnen und Schülern im zweiten internationalen Vergleich und Kompetenzen im Bereich Computational Thinking. Münster: Waxmann.

2017

• Lorenz R, Bos W, Endberg M, Eickelmann B, Grafe S, Vahrenhold J (Hrsg.): 2017. Schule digital – der Länderindikator 2017. Schulische Medienbildung in der Sekundarstufe I mit besonderem Fokus auf MINT-Fächer im Bundesländervergleich und Trends von 2015 bis 2017. Münster: Waxmann.

Conference Proceedings

2022

• Vahrenhold, Jan; Fisler, Kathi; Hauswirth, Matthias; Franklin, Diana (Eds.): 2022. ICER 2022: ACM Conference on International Computing Education Research, Lugano and Virtual Event, Switzerland, August 7 - 11, 2022, Volume 1. New York, NY: ACM Press. doi: 10.1145/3501385.
• Vahrenhold, Jan; Fisler, Kathi; Hauswirth, Matthias; Franklin, Diana (Eds.): 2022. ICER 2022: ACM Conference on International Computing Education Research, Lugano and Virtual Event, Switzerland, August 7 - 11, 2022, Volume 2. New York, NY: ACM Press. doi: 10.1145/3501709.

2021

• Ko, Amy J; Vahrenhold, Jan; McCauley, Renee; Hauswirth, Matthias (Eds.): 2021. ICER 2021: Proceedings of the 17th ACM Conference on International Computing Education Research. New York, NY: ACM Press. doi: 10.1145/3446871.

2016

• Vahrenhold, Jan; Barendsen, Erik (Eds.): 2016. Proceedings of the 11th Workshop in Primary and Secondary Computing Education, WiPSCE 2016, Münster, Germany, October 13-15, 2016. New York, NY: ACM Press. doi: 10.1145/2978249.

2015

• Gal-Ezer, Judith; Sentance, Sue; Vahrenhold, Jan (Eds.): 2015. Proceedings of the Workshop in Primary and Secondary Computing Education, WiPSCE 2015, London, United Kingdom, November 9-11, 2015. New York, NY: ACM Press. doi: 10.1145/2818314.
• Brodnik, Andrej; Vahrenhold, Jan (Eds.): 2015. Informatics in Schools. Curricula, Competences, and Competitions. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-319-25396-1.

2010

• Hromkovič, Juraj; Královič, Richard; Vahrenhold, Jan (Eds.): 2010. Teaching Fundamentals Concepts of Informatics. 4th International Conference on Informatics in Secondary Schools - Evolution and Perspectives, ISSEP 2010, Zurich, Switzerland, January 13-15, 2010. Proceedings. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-642-11376-5.
• Vahrenhold, Jan (Eds.): 2010. 26th European Workshop on Computational Geometry (EuroCG 2010). Proceedings. N/A: Selbstverlag / Eigenverlag.

2009

• Vahrenhold, Jan (Eds.): 2009. Experimental Algorithms. 8th International Symposium, SEA 2009. Dortmund, Germany, June 2009. Proceedings. Düsseldorf: Springer VDI Verlag. doi: 10.1007/978-3-642-02011-7.

2005

• Arge, Lars A; de Berg, Mark; Vahrenhold, Jan (Eds.): 2005. Proceedings of the Workshop on Massive Geometric Data Sets (Massive2005). N/A: Selbstverlag / Eigenverlag.

Theses (Doctoral or Postdoctoral)

2003

• Vahrenhold J. 2003. Large-Scale Algorithms and Data Structures for Dynamic and Time-Variant Geometric Problems Habilitation thesis, Westfälische Wilhelms-Universität Münster.

1999

• Vahrenhold, Jan. 1999. External Memory Algorithms for Geographic Information Systems Dissertation thesis, Westfälische Wilhelms-Universität Münster. N/A: Selbstverlag / Eigenverlag.