Supporting Multi-device for Ubiquitous Learning. - Byoungchol Chang; Mokhwa Lim; Dall-ho Ham; Yoonsoo Lee; Sooyong Kang; Jaehyuk Cha (Edutainment, 2007)

Enhancing Ontology-Based Educational Content Search Service with Competency. - Byoungchol Chang; Yoonsoo Lee; Sua Ko; Jaehyuk Cha (ICALT, 2008)

Analogous Content Selection Mechanism Using Device Profile and Content Profile for U-Learning Environments. - Yoonsoo Lee; Byoungchol Chang; Hyunoh Doh; Kyuhyun Park; Jaehyuk Cha (ICALT, 2009)

Similarity Contents Selection Mechanism for Learner's Device Using Delivery Context Ontology and Rules. - Yoonsoo Lee; Hyunoh Doh; Haanwoong Choi; Jaehyuk Cha (ICALT, 2010)

The Effect of Prototyping and Critical Feedback on Fixation in Engineering Design. - Trina C. Kershaw; Katja Hölttä-Otto; Yoonsoo Lee (CogSci, 2011)