We present two interfaces to support one-handed thumb use for PDAs and cell phones. Both use Scalable User Interface (ScUI) techniques to support multiple devices with different resolutions and aspect ratios. The desi...
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ISBN:
(纸本)1581139985
We present two interfaces to support one-handed thumb use for PDAs and cell phones. Both use Scalable User Interface (ScUI) techniques to support multiple devices with different resolutions and aspect ratios. The designs use variations of zooming interface techniques to provide multiple views of application data: AppLens uses tabular fisheye to access nine applications, while LaunchTile uses pure zoom to access thirty-six applications. We introduce two sets of thumb gestures, each representing different philosophies for one-handed interaction. We conducted two studies to evaluate our designs. In the first study, we explored whether users could learn and execute the AppLens gesture set with minimal training. Participants performed more accurately and efficiently using gestures for directional navigation than using gestures for object interaction. In the second study, we gathered user reactions to each interface, as well as comparative preferences. With minimal exposure to each design, most users favored AppLens's tabular fisheye interface. Copyright 2005 ACM.
We present first results using paraphrase as well as textual entailment data to test the language universal constraint posited by Wu's (1995, 1997) Inversion Transduction Grammar (ITG) hypothesis. In machine trans...
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This paper presents a multimodal interaction framework for semantic 3D object manipulation in the virtual reality. In our framework, interaction devices such as keyboard, mouse, joystick, tracker, can be combined with...
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ISBN:
(纸本)0473106574
This paper presents a multimodal interaction framework for semantic 3D object manipulation in the virtual reality. In our framework, interaction devices such as keyboard, mouse, joystick, tracker, can be combined with speech utterance to give a command to the system. We define an object ontology based on common sense knowledge which defines relationships between virtual objects. By taking into account the current user context and the object ontology, semantic integration component integrates the interpretation result from input manager, and then sends the result to the interaction manager. That result will be mapped into a proper object manipulation. Thus, the system can understand the user intention and assist him for achieving his goal in the handling process, instead of relying entirely on the user's control upon the interaction device and the object, avoiding nonsensical manipulations.
In this paper, the boundary value analysis method for testing case design is generalized for input parameters with constraints. We introduce the definition of priority levels to classify testing cases into three categ...
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ISBN:
(纸本)9781604234558
In this paper, the boundary value analysis method for testing case design is generalized for input parameters with constraints. We introduce the definition of priority levels to classify testing cases into three categories. With three input parameters X, Y and Z, we make the general assumptions of Y is a function of X (Y = f(X)) and Z is a function of X and Y (Z = g(X, Y)). The sequence algorithms for test case design are presented and an autogenerator based on the new algorithm is also developed. As a test to the auto-generator, output from the sample runs to NetProvision Activator (NPA), a real world product, is presented and analyzed.
Based on extensive empirical observation of design activities that might be supported by a knowledge repository, we report conclusions from three case studies. Seeking to improve research infrastructure necessary to c...
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Based on extensive empirical observation of design activities that might be supported by a knowledge repository, we report conclusions from three case studies. Seeking to improve research infrastructure necessary to cultivate a "science of design" within human-computerinteraction, we focus on identifying essential activities that help proceduralize the key requirements of knowledge management within a software development effort. From related literature, we selected five focus points for our analyses, which in turn, guided development of our repository in terms of how design knowledge is used, reused, and harvested through system tools. The case studies successively validate potential activities, while exposing breakdowns in process or practice that show promise of being resolved with additional tool features highlighted in other cases. Emerging largely from our case studies, we present general guidelines and tradeoffs for developing a design knowledge repository, as well as directions for further empirical study.
We directly investigate a subject of much recent debate: do word sense disambigation models help statistical machine translation quality? We present empirical results casting doubt on this common, but unproved, assump...
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It has become increasingly common for websites and computer media to provide computer generated visual images, called avatars, to represent users and bots during online interactions. In this study, participants (N=255...
作者：
Wu, DekaiDepartment of Computer Science
HKUST Human Language Technology Center Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong
We offer a perspective on EBMT from a statistical MT standpoint, by developing a three-dimensional MT model space based on three pairs of definitions: (1) logical versus statistical MT, (2) schema-based versus example...
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Software development can be thought of as the evolution of abstract requirements into a concrete software system. The evolution, achieved through a successive series of elaborations and refinements, is inherently a co...
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Software development can be thought of as the evolution of abstract requirements into a concrete software system. The evolution, achieved through a successive series of elaborations and refinements, is inherently a complex process. The complexity is not merely in the product - the complexity of managing the evolution of the product throughout the life of a project is proportional to the size and complexity of the product. Managing software project teams is a complex task complicated by the distribution of project teams. Distributed collaboration requires adequate support for team coordination and risk management. human-computerinteraction (HCI) combines technical concerns with human psychological concerns. Similarly, software project managers confront complexities in both of these dimensions. In this paper, we report on a collaborative design environment called LINK-UP being developed to guide the design process and facilitate reuse, We examine some Web-based project management tools in terms of their support for collaborative design and virtual team processes. We present a notification system approach to making the design record a natural by-product of the design process and a lever for knowledge reuse. Knowledge from past projects could then be used to automatically notify project teams of potential problems and suggest possible solutions.
The seeming contradiction between "banner blindness" and Web users' complaints about distracting advertisements motivates a pair of experiments into the effect of banner ads on visual search. Experiment ...
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