David Ledo
| Grossman, T., Anderson, F., Schmidt, R., Greenberg, S. and Ledo Maira, D. (2024) Techniques for Designing Interactive Objects with Integrated Smart Devices. US Patent 12,008,291 B2, Filed January 5, 2018, Issued June 11, 2024. Type: Patent. Earlier version: Patent application US 2018/0196889 A1, July 2018. |  
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| Ledo, D. (2020) Designing Interactive Behaviours for Smart Objects. PhD thesis, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, September. Type: PhD thesis. Note: Co-supervised by Lora Oehlberg and Saul Greenberg. |
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| Ledo, D., Vermeulen, J., Carpendale, S., Greenberg, S., Oehlberg, L. and Boring, S. (2019) Astral: Prototyping Mobile and Smart Object Interactive Behaviours Using Familiar Applications. In Proceedings of the ACM Conference on Designing Interactive Systems - ACM DIS'2019, San Diego, California, ACM Press, pages 711-724, June 23-28. Type: Refereed conference (full paper). Additional materials: PowerPoint presentation. |  
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| Ledo, D., Houben, S., Vermeulen, J., Marquardt, N., Oehlberg, L. and Greenberg, S. (2018) Evaluation Strategies for HCI Toolkit Research. In Proceedings of the ACM Conference on Human Factors in Computing Systems - ACM CHI'18, Montreal, Quebec, Canada, ACM Press, 17 pages, Paper #36, April 21-26. Type: Refereed conference (full paper). Earlier version: Report 2017-1096-03, September 2017. Additional materials: the recorded presentation on YouTube. |
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| Grossman, T., Anderson, F., Schmidt, R., Greenberg, S. and Ledo, D. (2018) Techniques for Designing Interactive Objects with Integrated Smart Devices. Research report US 2018/0196889 A1, United States Patent and Trademark Office (USPTO), July 12. Type: Patent application. Note: United States Patent Application Publication. See also: the related Pineal CHI'17 paper. |
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| Ledo, D., Oehlberg, L. and Greenberg, S. (2017) The Toolkit / Audience Challenge. In Proceedings of HCI.Tools, a workshop held at the ACM Conference on Human Factors in Computing Systems (ACM CHI'17), Denver, Colorado, 4 pages, May 7. Type: Refereed workshop. |
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| Ledo, D., Anderson, F., Schmidt, R., Oehlberg, L., Greenberg, S. and Grossman, T. (2017) Pineal: Bringing Passive Objects to Life with Embedded Mobile Devices. In Proceedings of the ACM Conference on Human Factors in Computing Systems (ACM CHI'17), Denver, Colorado, pages 2583-2593, May 6-11. Includes video figure (4:15 minutes). Type: Refereed conference (full paper). | 
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| Ledo, D., Houben, S., Vermeulen, J., Marquardt, N., Oehlberg, L. and Greenberg, S. (2017) Evaluation Strategies for HCI Toolkit Research. Research report 2017-1096-03, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, September. Type: Public research report. Later version: the revised 2018 CHI paper with the same title. |
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| Ledo, D., Greenberg, S., Marquardt, N. and Boring, S. (2015) Proxemic-Aware Controls: Designing Remote Controls for Ubiquitous Computing Ecologies. Research report 2015-1069-02, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, February. Paper and video (4:56 minutes). Type: Public research report (paper and video). See also: the later MobileHCI'15 paper. |
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| Ledo, D., Greenberg, S., Marquardt, N. and Boring, S. (2015) Proxemic-Aware Controls: Designing Remote Controls for Ubiquitous Computing Ecologies. In Proceedings of the ACM 17th International Conference on Human-Computer Interaction with Mobile Devices - ACM MobileHCI'15, Held at Copenhagen, Denmark, 11 pages, August 25-28. Includes video figure (4:56 minutes). Type: Refereed conference (full paper). Earlier, different version: Report 2015-1069-02 (paper and video), February 2015. |
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| Ledo, D. (2014) Remote Control Design for a Ubiquitous Computing Ecology. Master's thesis, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, November. Type: Masters thesis. Note: Supervised by Saul Greenberg. See also: ACM SIGCHI Video Showcase for a video partially illustrating this work. |
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| Brudy, F., Ledo, D. and Greenberg, S. (2014) Is Anyone Looking? Mediating Shoulder Surfing on Public Displays (The Video). In ACM SIGCHI 2014 Video Showcase (Juried), Proceedings of the Extended Abstracts of ACM CHI'14, Toronto, Canada, April 26 - May 1. Video (3:47 minutes) and short paper, page 159. Type: Refereed conference (video and abstract). Earlier, slightly different version: Report 2014-1051-01 (abstract and video). |
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| Brudy, F., Ledo, D., Greenberg, S. and Butz, A. (2014) Is Anyone Looking? Mitigating Shoulder Surfing on Public Displays through Awareness and Protection. In Proceedings of the 3rd International Symposium on Pervasive Displays - PerDisp'2014, Copenhagen, Denmark, ACM Press, pages 1-6, June 3 - 4. Includes video figure (3:47 minutes). Type: Refereed conference (full paper). Earlier version: Report 2014-1056-07. See also: a similar video in the ACM CHI 2014 Video Showcase. Additional materials: PowerPoint presentation. |
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| Ledo, D., Aseniero, B.A., Greenberg, S., Boring, S. and Tang, A. (2013) OneSpace: Shared Depth-Corrected Video Interaction. In Proceedings of the ACM Conference on Human Factors in Computing Systems: CHI Workshop on The Future of Personal Video Communication: Moving Beyond Talking Heads to Shared Experiences, Paris, France, 4 pages, April 27. Paper and video (1:48 minutes). Type: Refereed workshop. Additional materials: PowerPoint presentation. |
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| Ledo, D., Aseniero, B.A., Greenberg, S., Boring, S. and Tang, A. (2013) OneSpace: Shared Depth-Corrected Video Interaction. In Extended Abstracts of the ACM Conference on Human Factors in Computing Systems - ACM CHI'13, Paris, France, 6 pages plus poster, April 27 - May 2. Type: Refereed conference (paper + poster). Earlier version: Report 2012-1033-16. |
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| Ledo, D. and Greenberg, S. (2013) Mobile Proxemic Awareness and Control: Exploring the Design Space for Interaction with a Single Appliance. In Proceedings of the ACM CHI 2013 Video Program (Juried) - CHI'13, Paris, France, April 27 - May 2. Video (3:17 minutes) and short paper, page 2831. Type: Refereed conference (video and abstract). Earlier version: Report 2013-1039-06 (video and abstract). |
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| Ledo, D., Nacenta, M. , Marquardt, N., Boring, S. and Greenberg, S. (2012) The HapticTouch Toolkit: Enabling Exploration of Haptic Interactions. In Proceedings of the ACM 6th International Conference on Tangible, Embedded and Embodied Interaction - TEI'2012, Kingston, Ontario, Canada, ACM Press, 8 pages, February 19-22. Includes video figure (4:01 minutes). Type: Refereed conference (full paper). Earlier version: Report 2011-1012-24. Additional materials: PowerPoint presentation. |
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| Boring, S., Ledo, D., Chen, X., Marquardt, N., Tang, A. and Greenberg, S. (2012) The Fat Thumb: Using the Thumb's Contact Size for Single-Handed Mobile Interaction. In Proceedings of the ACM Conference on Mobile HCI - MobileHCI'12. ACM Press, pages 39-48, September 21-24. Includes video figure (2:35 minutes). Type: Refereed conference (full paper). Earlier, slightly different version: Report 2011-1015-27. Additional materials: PowerPoint presentation. |
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| Marquardt, N., Kiemer, J., Ledo, D., Boring, S. and Greenberg, S. (2011) Designing User-, Hand-, and Handpart-Aware Tabletop Interactions with the TOUCHID Toolkit. In Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces - ACM ITS'2011, Kobe, Japan, ACM Press, 10 pages, November 13-16. Includes video figure (3:40 minutes). Type: Refereed conference (full paper). Earlier version: Report 2011-1004-16 and its video (3:42 minutes), July. |
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| Ledo, D., Nacenta, M., Marquardt, N., Boring, S. and Greenberg, S. (2011) The HapticTouch Toolkit: Enabling Exploration of Haptic Interactions. Research report 2011-1012-24, Department of Computer Science, University of Calgary, Calgary, Alberta, Canada, September. Paper and video (3:58 minutes). Type: Public research report (paper and video). Later version: the TEI 2012 paper. |
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| Ledo, D., Marquardt, N., Nacenta, M. and Greenberg, S. (2010) Application Programming Interface (API) for the Haptic Tabletop Puck. In 5th Annual Students' Union Undergraduate Research Symposium, Calgary, AB, Canada, 1 page poster, November 24. Type: Refereed conference (poster). Award: 🏆Special mention: one of only three posters invited for oral presentation to the audience. |
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