iStuff: a physical user interface toolkit for ubiquitous computing environments. - Rafael Ballagas; Meredith Ringel; Maureen C. Stone; Jan O. Borchers (CHI, 2003)

Patch Panel: Enabling Control-Flow Interoperability in Ubicomp Environments. - Rafael Ballagas; Andy Szybalski; Armando Fox (PerCom, 2004)

Sweep and point and shoot: phonecam-based interactions for large public displays. - Rafael Ballagas; Michael Rohs; Jennifer G. Sheridan (CHI Extended Abstracts, 2005)

Mobile Phones as Pointing Devices. - Rafael Ballagas; Michael Rohs; Jennifer G. Sheridan (PERMID, 2005)

Spontaneous marriages of mobile devices and interactive spaces. - Trevor Pering; Rafael Ballagas; Roy Want (Commun. ACM, 2005)

The Smart Phone: A Ubiquitous Input Device. - Rafael Ballagas; Jan O. Borchers; Michael Rohs; Jennifer G. Sheridan (IEEE Pervasive Comput., 2006)

REXplorer: a mobile, pervasive spell-casting game for tourists. - Rafael Ballagas; Sven G. Kratz; Jan O. Borchers; Eugen Yu; Steffen P. Walz; Claudia O. Fuhr; Ludger Hovestadt; Martin Tann (CHI Extended Abstracts, 2007)

iStuff mobile: rapidly prototyping new mobile phone interfaces for ubiquitous computing. - Rafael Ballagas; Faraz Memon; René Reiners; Jan O. Borchers (CHI, 2007)

Pervasive Persuasive: A Rhetorical Design Approach to a Location-Based Spell-Casting Game for Tourists. - Steffen P. Walz; Rafael Ballagas (DiGRA Conference, 2007)

UbiComp 2006 Workshops, Part 2. - John Krumm; Ken Anderson 002; Rodger Lea; Michael Blackstock; Mirjana Spasojevic; Mizuko Ito; Nancy A. Van House; Ilpo Koskinen; Fumitoshi Kato; Maribeth Back; Masatomi Inagaki; Kazunori Horikiri; et al. (IEEE Pervasive Comput., 2007)

The impact of gain change on perceiving one's own actions. - Christine Sutter; Jochen Müsseler; Laszlo Bardos; Rafael Ballagas; Jan O. Borchers (MuC, 2008)

Gaming Tourism: Lessons from Evaluating REXplorer, a Pervasive Game for Tourists. - Rafael Ballagas; André Kuntze; Steffen P. Walz (Pervasive, 2008)

Bringing iterative design to ubiquitous computing: interaction techniques, toolkits and evaluation methods. - Rafael A. Ballagas (2008)

Family communication: phone conversations with children. - Rafael Ballagas; Joseph Kaye; Morgan G. Ames; Janet Go; Hayes Raffle (IDC, 2009)

Unravelling seams: improvoing mobile gesture recognition with visual feedback techniques. - Sven G. Kratz; Rafael Ballagas (CHI, 2009)

At your service: using butlers as a model to overcome the mobile attention deficit. - Timothy Sohn; Rafael Ballagas; Leila Takayama (CHI Extended Abstracts, 2009)

Auditory priming for upcoming events. - Timothy Sohn; Leila Takayama; Dean Eckles; Rafael Ballagas (CHI Extended Abstracts, 2009)

Feature Use in Mobile Video Creation. - Arto Puikkonen; Jonna Häkkilä; Rafael Ballagas; Jani Mäntyjärvi (INTERACT (1), 2009)

Practices in creating videos with mobile phones. - Arto Puikkonen; Jonna Häkkilä; Rafael Ballagas; Jani Mäntyjärvi (Mobile HCI, 2009)

Video play: playful interactions in video conferencing for long-distance families with young children. - Sean Follmer; Hayes Raffle; Janet Go; Rafael Ballagas; Hiroshi Ishii 001 (IDC, 2010)

User interfaces for tangible characters: can children connect remotely through toy perspectives? - Natalie Freed; Winslow Burleson; Hayes Raffle; Rafael Ballagas; Naomi Newman (IDC, 2010)

Family story play: reading with young children (and elmo) over a distance. - Hayes Raffle; Rafael Ballagas; Glenda Revelle; Hiroshi Horii; Sean Follmer; Janet Go; Emily Reardon; Koichi Mori; Joseph Kaye; Mirjana Spasojevic (CHI, 2010)

Addressing mobile information overload in the universal inbox through lenses. - Timothy Sohn; Vidya Setlur; Koichi Mori; Joseph Kaye; Hiroshi Horii; Agathe Battestini; Rafael Ballagas; Christopher Paretti; Mirjana Spasojevic (Mobile HCI, 2010)

Story Time for the 21st Century. - Rafael Ballagas; Hayes Raffle; Janet Go; Glenda Revelle; Joseph Kaye; Morgan Ames; Hiroshi Horii; Koichi Mori; Mirjana Spasojevic (IEEE Pervasive Comput., 2010)

Electric Agents: combining television and mobile phones for an educational game. - Rafael Ballagas; Glenda Revelle; Kyle Buza; Hiroshi Horii; Koichi Mori; Hayes Raffle; Mirjana Spasojevic; Janet Go; Kristin Cook; Emily Reardon; Yun-Ta Tsai; Christopher Paretti (IDC, 2011)

Pop goes the cell phone: asynchronous messaging for preschoolers. - Hayes Raffle; Rafael Ballagas; Glenda Revelle; Koichi Mori; Hiroshi Horii; Christopher Paretti; Mirjana Spasojevic (IDC, 2011)

Pokaboo: a networked toy for distance communication and play. - Hayes Raffle; Koichi Mori; Rafael Ballagas; Mirjana Spasojevic (IDC, 2011)

Hello, is grandma there? let's read! StoryVisit: family video chat and connected e-books. - Hayes Raffle; Glenda Revelle; Koichi Mori; Rafael Ballagas; Kyle Buza; Hiroshi Horii; Joseph Kaye; Kristin Cook; Natalie Freed; Janet Go; Mirjana Spasojevic (CHI, 2011)

Interactive rich reading: enhanced book reading experience with a conversational agent. - Koichi Mori; Rafael Ballagas; Glenda Revelle; Hayes Raffle; Hiroshi Horii; Mirjana Spasojevic (ACM Multimedia, 2011)

People in books: using a FlashCam to become part of an interactive book for connected reading. - Sean Follmer; Rafael Ballagas; Hayes Raffle; Mirjana Spasojevic; Hiroshi Ishii 001 (CSCW, 2012)

Brothers and sisters at play: exploring game play with siblings. - Janet Go; Rafael Ballagas; Mirjana Spasojevic (CSCW, 2012)

Electric agents: fostering sibling joint media engagement through interactive television and augmented reality. - Rafael Ballagas; Thérèse E. Dugan; Glenda Revelle; Koichi Mori; Maria Sandberg; Janet Go; Emily Reardon; Mirjana Spasojevic (CSCW, 2013)

Electric Agents: Combining Collaborative Mobile Augmented Reality and Web-Based Video to Reinvent Interactive Television. - Glenda Revelle; Emily Reardon; Kristin Cook; Lori M. Takeuchi; Rafael Ballagas; Koichi Mori; Hiroshi Horii; Hayes Raffle; Maria Sandberg; Mirjana Spasojevic (Comput. Entertain., 2014)

VR Grabbers: Ungrounded Haptic Retargeting for Precision Grabbing Tools. - Jackie (Junrui) Yang; Hiroshi Horii; Alexander Thayer; Rafael Ballagas (UIST, 2018)

The Design Space of 3D Printable Interactivity. - Rafael Ballagas; Sarthak Ghosh; James A. Landay (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2018)

The Future of Tangible User Interfaces. - Lars Erik Holmquist; Oren Zuckerman; Rafael Ballagas; Hiroshi Ishii 001; Kimiko Ryokai; Haiyan Zhang (CHI Extended Abstracts, 2019)

Exploring Pervasive Making Using Generative Modeling and Speech Input. - Rafael Ballagas; Jishang Wei; Mithra Vankipuram; Zhiyuan Li; Keanu Spies; Hiroshi Horii (IEEE Pervasive Comput., 2019)

ModElec: A Design Tool for Prototyping Physical Computing Devices Using Conductive 3D Printing. - Liang He 005; Jarrid A. Wittkopf; Ji Won Jun; Kris Erickson; Rafael Tico Ballagas (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2021)

Cognitive Load Inference Using Physiological Markers in Virtual Reality. - Jishang Wei; Erika Siegel; Prahalathan Sundaramoorthy; Antônio Gomes; Shibo Zhang; Mithra Vankipuram; Kevin Smathers; Sarthak Ghosh; Hiroshi Horii; Jeremy N. Bailenson; Rafael Tico Ballagas (VR, 2025)