Todorka Alexandrova

According to our database, Todorka Alexandrova authored at least 24 papers between 2008 and 2020.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2020

New lower and upper bounds on Armstrong codes.

Todorka Alexandrova, Peter G. Boyvalenkov, Attila Sali

Proceedings of the Algebraic and Combinatorial Coding Theory, 2020

2017

Designing Human Behavior Through Social Influence in Mobile Crowdsourcing with Micro-communities.

Mizuki Sakamoto, Kota Gushima, Todorka Alexandrova, Tatsuo Nakajima

Proceedings of the Electronic Government and the Information Systems Perspective, 2017

2016

Analyzing the influence of virtuality on playful social interaction.

Mizuki Sakamoto, Todorka Alexandrova, Tatsuo Nakajima

Multim. Tools Appl., 2016

One Size Does Not Fit All: Applying the Right Game Concepts for the Right Persons to Encourage Non-game Activities.

Hina Akasaki, Shoko Suzuki, Kanako Nakajima, Koko Yamabe, Mizuki Sakamoto, Todorka Alexandrova, Tatsuo Nakajima

Proceedings of the Human Interface and the Management of Information: Applications and Services, 2016

2015

Enhancing values through virtuality for intelligent artifacts that influence human attitude and behavior.

Mizuki Sakamoto, Tatsuo Nakajima, Todorka Alexandrova

Multim. Tools Appl., 2015

2013

Using stranger as sensors: temporal and geo-sensitive question answering via social media.

Yefeng Liu, Todorka Alexandrova, Tatsuo Nakajima

Proceedings of the 22nd International World Wide Web Conference, 2013

Design and Evaluation of Micro-Crowdfunding: Encouraging Sustainable Behavior in Micro-Level Crowdfunding.

Mizuki Sakamoto, Tatsuo Nakajima, Yefeng Liu, Todorka Alexandrova

Proceedings of the International Conference on Making Sense of Converging Media, 2013

Visual Novels: An Methodology Guideline for Pervasive Educational Games that Favors Discernment.

Francisco Lepe Salazar, Tatsuo Nakajima, Todorka Alexandrova

Proceedings of the Grid and Pervasive Computing - 8th International Conference, 2013

Achieving sustainable society through micro-level crowdfunding.

Mizuki Sakamoto, Tatsuo Nakajima, Yefeng Liu, Todorka Alexandrova

Proceedings of the 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, 2013

Facilitating natural flow of information among "taste-based" groups.

Yefeng Liu, Todorka Alexandrova, Satoshi Hirade, Tatsuo Nakajima

Proceedings of the 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, 2013

2012

Drawing on mobile crowds via social media - Case UbiAsk: image based mobile social search across languages.

Yefeng Liu, Vili Lehdonvirta, Todorka Alexandrova, Tatsuo Nakajima

Multim. Syst., 2012

Churn resilience in network coding-based anonymous P2P system.

Todorka Alexandrova, Gergely Huzsak, Hiroyoshi Morita

Proceedings of the International Symposium on Information Theory and its Applications, 2012

Harmonizing Virtual Forms into Traditional Artifacts to Increase Their Values.

Mizuki Sakamoto, Tatsuo Nakajima, Tetsuo Yamabe, Todorka Alexandrova

Proceedings of the Ambient Intelligence - Software and Applications, 2012

Value-Based Design for Gamifying Daily Activities.

Mizuki Sakamoto, Tatsuo Nakajima, Todorka Alexandrova

Proceedings of the Entertainment Computing - ICEC 2012 - 11th International Conference, 2012

Family interaction for responsible natural resource consumption.

Francisco Lepe Salazar, Tetsuo Yamabe, Todorka Alexandrova, Yefeng Liu, Tatsuo Nakajima

Proceedings of the CHI Conference on Human Factors in Computing Systems, 2012

Augmenting Trading Card Game: Playing against Virtual Characters Used in Fictional Stories.

Mizuki Sakamoto, Tatsuo Nakajima, Todorka Alexandrova

Proceedings of the Advances in Computer Entertainment - 9th International Conference, 2012

2011

Digital-physical hybrid design: Enhancing real worlds with Augmented reality.

Tatsuo Nakajima, Tetsuo Yamabe, Todorka Alexandrova, Mizuki Sakamoto

Proceedings of the 2011 IEEE International Conference on Service-Oriented Computing and Applications, 2011

Mobile Image Search via Local Crowd: A User Study.

Yefeng Liu, Todorka Alexandrova, Tatsuo Nakajima, Vili Lehdonvirta

Proceedings of the 17th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications, 2011

Gamifying intelligent environments.

Yefeng Liu, Todorka Alexandrova, Tatsuo Nakajima

Proceedings of the Ubi-MUI '11: Proceedings of the 2011 international ACM workshop on Ubiquitous meta user interfaces, 2011

2010

Secret images sharing scheme using two-variable one-way functions.

Todorka Alexandrova, Yoshiaki Suzuki, Kan Okubo, Norio Tagawa

Proceedings of the IEEE International Conference on Wireless Communications, 2010

Computational Model of Depth Perception based on Fixational Eye Movements.

Norio Tagawa, Todorka Alexandrova

Proceedings of the VISAPP 2010 - Proceedings of the Fifth International Conference on Computer Vision Theory and Applications, Angers, France, May 17-21, 2010, 2010

A crowdsourcing based mobile image translation and knowledge sharing service.

Yefeng Liu, Vili Lehdonvirta, Mieke Kleppe, Todorka Alexandrova, Hiroaki Kimura, Tatsuo Nakajima

Proceedings of the 9th International Conference on Mobile and Ubiquitous Multimedia, 2010

Realizing and evaluating mutual anonymity in P2P networks.

Chigusa Kawashima, I Gusti Bagus Baskara Nugraha, Hiroyoshi Morita, Todorka Alexandrova

Proceedings of the International Symposium on Information Theory and its Applications, 2010

2008

On Increasing the Number of Users in (<i>t, n</i>) Threshold Secret Sharing Schemes.

Todorka Alexandrova, Hiroyoshi Morita

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008