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14th International Conference on Intelligent and Adaptive Systems and Software Engineering, IASSE 2005

作者： Feng, Wenying Zhang, Zhenhua Computer Science/Studies and Department of Mathematics Trent University Peterborough ON K9J 7B8 Canada Human Computer Interaction Institute Carnegie Mellon University Pittsburgh PA 15213 United States

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.

关键词： Black-box testing

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A study of factors affecting the utility of implicit relevance feedback

A study of factors affecting the utility of implicit relevan...

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28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2005

作者： White, Ryen W. Ruthven, Ian Jose, Joemon M. Human-Computer Interaction Laboratory Institute for Advanced Computer Studies University of Maryland College Park MD 20742 United States Department of Computer and Information Sciences University of Strathclyde Glasgow G1 1XH United Kingdom Department of Computing Science University of Glasgow Glasgow G12 8RZ United Kingdom

ISBN: (纸本)1595930345

Implicit relevance feedback (IRF) is the process by which a search system unobtrusively gathers evidence on searcher interests from their interaction with the system. IRF is a new method of gathering information on user interest and, if IRF is to be used in operational IR systems, it is important to establish when it performs well and when it performs poorly. In this paper we investigate how the use and effectiveness of IRF is affected by three factors: search task complexity, the search experience of the user and the stage in the search. Our findings suggest that all three of these factors contribute to the utility of IRF. © 2005 ACM.

关键词： Search engines

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The influence of the avatar on online perceptions of anthropomorphism, androgyny, credibility, homophily, and attraction

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Journal of computer-Mediated Communication 2005年第1期11卷 153-178页

作者： Nowak, Kristine L. Rauh, Christian Department of Communication Science University of Connecticut United States Department of Communication Science United States Human Computer Interaction Lab. University of Connecticut United States Department of Communication Sciences University of Connecticut 850 Bolton Road U-1085 Storrs CT 06269 United States Department of Communication Sciences University of Connecticut Storrs United States

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) evaluated a series of avatars in a static context in terms of their androgyny, anthropomorphism, credibility, homophily, attraction, and the likelihood they would choose them during an interaction. The responses to the images were consistent with what would be predicted by uncertainty reduction theory. The results show that the masculinity or femininity (lack of androgyny) of an avatar, as well as anthropomorphism, significantly influence perceptions of avatars. Further, more anthropomorphic avatars were perceived to be more attractive and credible, and people were more likely to choose to be represented by them. Participants reported masculine avatars as less attractive than feminine avatars, and most people reported a preference for human avatars that matched their gender. Practical and theoretical implications of these results for users, designers, and researchers of avatars are discussed. © 2005 Journal of computer-Mediated Communication.

关键词： .INFLUENCE likelihood uncertainty choose computer-Mediated Avatars static credible masculinity feminine Anthropomorphic attractive femininity Perceptions of Anthropomorphism

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MOCHA: Modular and Configurable Handset Software Architecture

MOCHA: Modular and Configurable Handset Software Architectur...

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2005 2nd IEEE Consumer Communications and Networking Conference, CCNC2005

作者： Kim, Kibum Kwak, Jason Dongwon Jo, Seung Hwan Center for Human-Computer Interaction Department of Computer Science Virginia Tech. Blacksburg VA 24061 United States UMTS R and D Mobile Communication Division Samsung Electronics Co. Ltd. 442-600 Korea Republic of

ISBN: (纸本)0780387848

This paper describes Mocha, an open mobile S/W platform and application developed by Samsung Electronics. Mocha's key features are its efficiency (it fits in regular phones), its portability (it covers different stack/OS/chipsets for CDMA, EV-DO, GSM/GPRS, and UMTS), its modularity and configurability (it meets customers' varying needs), its extensibility (it can be adapted to include new features and interfaces), its interoperability based on de-facto standards such as OMA, 3GPP, 3GPP2, CDG;and its security (it can withstand the attack of malicious applications). Among these key features, in this paper, we outline the multimedia messaging service (MMS) that inspired this system and then describe its design, architecture, and prototype implementation. © 2004 IEEE.

关键词： Wearable computers

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MUSA - a prototype for multiple-step aggregation visualization

MUSA - a prototype for multiple-step aggregation visualizati...

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International Conference on Coordinated and Multiple Views in Exploratory Visualization

作者： Tao Ni Department of Computer Science Center for Human-Computer Interaction Virginia Polytechnic Institute and State University USA

It is a common task when analyzing a large dataset (e.g., census database) to create some kind of overview of the original dataset, which is small enough to be easily manipulated, while remains the key characteristics of the data. Many aggregation techniques have been proposed to help users better understand the dataset and find desired information in it. However, the user can easily get lost after several aggregation operations, since there is rarely mechanism facilitating the user to remember what he or she has done in previous steps. In this paper, we present a prototype, namely MUSA, for multiple-step aggregation visualization. We aimed at designing a tool not only to help users obtain various levels of overviews to narrow their selections, but also to effectively visualize the aggregation processes to enhance the context awareness. We also conducted an informal user study to evaluate the tool.

关键词： Prototypes Data analysis Context awareness Pattern analysis Data visualization Aggregates computer science Visual databases Displays Relational databases

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Toward introducing notification technology into distributed project teams

Toward introducing notification technology into distributed ...

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International Conference and Workshop on Engineering of computer-Based Systems

作者： J.L. Smith S.A. Bohner D.S. McCrickard Human-Computer Interaction and Department of Computer Science Virginia Polytechnic Institute and State University Blacksburg VA USA

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-computer interaction (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.

关键词： Project management Collaborative tools Process design Programming Concrete Software systems Collaboration Risk management human computer interaction Psychology

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Semantic 3D object manipulation using object ontology in multimodal interaction framework 05

Semantic 3D object manipulation using object ontology in mul...

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2005 International Conference on Augmented Tele-Existence, ICAT '05

作者： Irawati, Sylvia Calderón, Daniela Ko, Heedong Department of Human Computer Interaction University of Science and Technology Seoul 136-791 Korea Republic of Imaging Media Research Center Korea Institute of Science and Technology 39-1 Hawolgok-dong Seoul 136-791 Korea Republic of

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.

关键词： Semantics

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Supporting information mobility in the fresh produce e-supply chain

Supporting information mobility in the fresh produce e-suppl...

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5th International Business Information Management Association Conference, IBIMA 2005

作者： Manikas, Ioannis Folinas, Dimitris Pavlou, Tania Manos, Basil Laboratory of Informatics in Agriculture Department of Agriculture Aristotle University of Thessaloniki Greece Department of Applied Informatics University of Macedonia Thessaloniki Greece Centre of Human Computer Interaction Design City University United Kingdom Laboratory of Informatics in Agriculture Department of Agriculture Aristotle University of Thessaloniki Greece

ISBN: (纸本)0975339346

In Northern European fresh produce Supply Chain (SC) the evolution from horizontal alignment to vertically coordinated value chains allows the implementation of sophisticated traceability information systems, providing with necessary transparency in information sharing between SC actors. On the other hand, fresh produce SCs aim in local markets in the South lack of efficient communication and information transparency.

关键词： Transparency

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Links for a human-Centered science of Design: Integrated Design Knowledge Environments for a Software Development Process

Links for a Human-Centered Science of Design: Integrated Des...

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Annual Hawaii International Conference on System sciences (HICSS)

作者： C.M. Chewar D.S. McCrickard Center for Human-Computer Interaction and Department of Computer Science Virginia Polytechnic Institute and State University Blacksburg VA USA

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-computer interaction, 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.

关键词： Programming human computer interaction Knowledge management Guidelines Process design computer science Military computing Electric breakdown Shape Psychology

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High-cost banner blindness: Ads increase perceived workload, hinder visual search, and are forgotten

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ACM Transactions on computer-human interaction 2005年第4期12卷 423-445页

作者： Burke, Moira Hornof, Anthony Nilsen, Erik Gorman, Nicholas Carnegie Mellon University University of Oregon Lewis and Clark College University of Southern California Human-Computer Interaction Institute Carnegie Mellon University 5000 Porbes Ave. Pittsburgh PA 15213 Computer and Information Science Department 1202 University of Oregon Eugene OR 97403 Psychology Department Lewis and Clark College Portland OR 97219 Department of Preventative Medicine University of Southern California HAS 5235 1000 South Fremont Ave. Alhambra CA 91803

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 1 measures perceived cognitive workload and search times for short words with two banners on the screen. Four kinds of banners were examined: (1) animated commercial, (2) static commercial, (3) cyan with flashing text, and (4) blank. Using NASA's Task Load Index, participants report increased workload under flashing text banners. Experiment 2 investigates search through news headlines at two levels of difficulty: exact matches and matches requiring semantic interpretation. Results show both animated and static commercial banners decrease visual search speeds. Eye tracking data reveal people rarely look directly at banners. A post hoc memory test confirms low banner recall and, surprisingly, that animated banners are more difficult to remember than static look-alikes. Results have implications for cognitive modeling and Web design. © 2005 ACM.

关键词： Search engines

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