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Complexity of Left-Ideal, Suffix-Closed and Suffix-Free Regular Languages
(Springer, 2017-03-06)
A language L over an alphabet Σ is suffix-convex if, for any words x,y,z∈Σ∗, whenever z and xyz are in L, then so is yz. Suffix-convex languages include three special cases: left-ideal, suffix-closed, and suffix-free ...
Locally-Adaptive Tabulation of Low-Dimensional Manifolds using Bezier Patch Reconstruction
(2017-05-17)
An efficient tabulation strategy for turbulent combustion simulations is proposed. Using a locally adaptive
arrangement of structured Bezier patches–often used in computer graphics–the combustion manifold can be
efficiently ...
Most Complex Non-returning Regular Languages
(Springer, 2017-07-03)
A regular language L is non-returning if in the minimal deterministic finite automaton accepting it there are no transitions into the initial state. Eom, Han and Jirásková derived upper bounds on the state complexity of ...
Complexity of Proper Prefix-Convex Regular Languages
(Springer, 2017-06-27)
A language L over an alphabet Σ is prefix-convex if, for any words x,y,z∈Σ∗, whenever x and xyz are in L, then so is xy. Prefix-convex languages include right-ideal, prefix-closed, and prefix-free languages, which were ...
Heuristic Evaluation for Gameful Design
(Association for Computing Machinery, 2016-10-16)
Despite the emergence of many gameful design methods in the literature, there is a lack of evaluation methods specific to gameful design. To address this gap, we present a new set of guidelines for heuristic evaluation of ...
CLEVER: A Trivia and Strategy Game for Enterprise Knowledge Learning
(Association for Computing Machinery, 2016-10-16)
Knowledge management (KM) includes the acquisition, sharing, and dissemination of knowledge within a company. The problem with many enterprise KM systems is that they are complex and hardly used, because workers lack ...
"The Collecting Itself Feels Good": Towards Collection Interfaces for Digital Game Objects
(Association for Computing Machinery, 2016-10-16)
Digital games offer a variety of collectible objects. We investigate players' collecting behaviors in digital games to determine what digital game objects players enjoyed collecting and why they valued these objects. Using ...
Design and Preliminary Validation of The Player Experience Inventory
(Association for Computing Machinery, 2016-10-16)
We present the design and preliminary results of the validation of the Player Experience Inventory (PXI). Based on the input of 64 experts in the field of player-computer interaction, we designed and refined this new scale. ...
Personalization in Serious and Persuasive Games and Gamified Interactions
(Association for Computing Machinery, 2015-10)
Serious and persuasive games and gamified interactions have become popular in the last years, especially in the realm of behavior change support systems. They have been used as tools to support and influence human behavior ...
Wettability and capillary behavior of fibrous gas diffusion media for polymer electrolyte membrane fuel cells
(Elsevier, 2009-10-20)
The relationship of capillary pressure to liquid saturation for the water-air fluid pair in two different types of gas diffusion media (GDM) used in polymer electrolyte membrane fuel cell (PEMFC) electrodes is elucidated. ...