Johannes Pfau

schoolUniversity of Bremenbar_chart#3861 Global Rank

Total Papers

HCI Rank

#3861

Research Areas

Years Active

Recent Publications

"I Didn't Catch That, But I'll Try My Best": Anticipatory Error Handling in a Voice Controlled Game

Advances in speech recognition, language processing and natural interaction have led to an increased industrial and academic interest. While the robustness and usability of such systems are steadily increasing, speech-based systems are still susceptible to recognition errors. This makes intelligent error handling of u…

CHI '201st AuthorGame UX & Player Behavior +1

Bot or not? User Perceptions of Player Substitution with Deep Player Behavior Models

Many online games suffer when players drop off due to lost connections or quitting prematurely, which leads to match terminations or game-play imbalances. While rule-based outcome evaluations or substitutions with bots are frequently used to mitigate such disruptions, these techniques are often perceived as unsatisfac…

CHI '201st AuthorGame UX & Player Behavior +2

Enemy Within: Long-term Motivation Effects of Deep Player Behavior Models for Dynamic Difficulty Adjustment

Balancing games and producing content that remains interesting and challenging is a main cost factor in the design and maintenance of games. Dynamic difficulty adjustments (DDA) can successfully tune challenge levels to player abilities, but when implemented with classic heuristic parameter tuning (HPT) often turns ou…

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