This book constitutes the refereed proceedings of the 4th International Workshop on Ambient Assisted Living, IWAAL 2012, held in Vitoria-Gasteiz, Spain, in December 2012. The 58 research papers were carefully reviewed and selected from various submissions. The papers are organized in topical sections such as intelligent healthcare and home-care environments, AAL environments, sensing and monitoring, human-computer interaction at assistive environments, semantic modeling for realizing AAL, and application domains.

This book constitutes the refereed proceedings of the 4th International Workshop on Ambient Assisted Living, IWAAL 2012, held in Vitoria-Gasteiz, Spain, in December 2012. The 58 research papers were carefully reviewed and selected from various submissions. The papers are organized in topical sections such as intelligent healthcare and home-care environments, AAL environments, sensing and monitoring, human-computer interaction at assistive environments, semantic modeling for realizing AAL, and application domains.

This book constitutes the refereed proceedings of the 4th International Workshop on Ambient Assisted Living, IWAAL 2012, held in Vitoria-Gasteiz, Spain, in December 2012. The 58 research papers were carefully reviewed and selected from various submissions. The papers are organized in topical sections such as intelligent healthcare and home-care environments, AAL environments, sensing and monitoring, human-computer interaction at assistive environments, semantic modeling for realizing AAL, and application domains.