Abdallah El Ali

user experience mobile human-computer interaction usability hci twitter sympathy news machine learning foreign crisis computing wayfinding development navigation mobilehci infrastructure human–computer interaction keynote thesis phd web design problem solving research user interface design icmi2012 interaction social media exploration sequence alignment serendipity route planners cscw2013 recommender systems amsterdam university of amsterdam introduction interaction design prototyping smartphones 3d gestures errors multimedia production multimedia content location-aware ubiquitous computing contextual factors multimodal input multimodal interaction multimodal intterfaces multimodal output mobile programming tutorial workshop android basics