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2nd IEEE International Conference on Cloud computing and Intelligent Systems (CCIS)

作者： Jun, Xue Liu, Zengliang Chinese Acad Sci Grad Univ Beijing 100049 Peoples R China Natl Def Univ Inst Informat Operat Beijing 100091 Peoples R China

ISBN: (纸本)9781467318556;9781467318570

The complexity of human-centered computing systems demands novel computing models that are capable of integrating various processes or algorithms into a working system with high scalability, which requires a transparent distributed architecture. This paper presents a task-oriented computing share model for the generalization of different processes, which provides a Quality of Service strategy for selecting a suitable computing resource. This model allows a system to be extended to specific applications without any consideration for common low-layer data processing. We also provide a methodology for designing an application related to talent training and management.

关键词： human-centered computing computing service share Talent training and management

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The Enactive Torch: A New Tool for the Science of Perception

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IEEE TRANSACTIONS ON HAPTICS 2012年第4期5卷 365-375页

作者： Froese, Tom McGann, Marek Bigge, William Spiers, Adam Seth, Anil K. Univ Tokyo Ikegami Lab Dept Gen Syst Studies Meguro Ku Tokyo 1538902 Japan Univ Sussex Sackler Ctr Consciousness Sci Brighton BN1 9RH E Sussex England Univ Limerick Dept Psychol Mary Immaculate Coll Limerick Ireland Univ Sussex Dept Informat Stratford Upon Avon CV37 9JG Warwick England Univ W England Bristol Robot Lab Bristol BS6 1QY Avon England Univ Sussex Sackler Ctr Consciousness Sci Dept Informat Brighton BN1 9QJ E Sussex England

The cognitive sciences are increasingly coming to terms with the embodied, embedded, extended, and experiential aspects of the mind. Exemplifying this shift, the enactive approach points to an essential role of goal-directed bodily activity in the generation of meaningful perceptual experience, i.e., sense-making. Here, building on recent insights into the transformative effects of practical tool-use, we make use of the enactive approach in order to provide a definition of an enactive interface in terms of augmented sense-making. We introduce such a custom-built interface, the Enactive Torch, and present a study of its experiential effects. The results demonstrate that the user experience is not adequately captured by any standardly assumed perceptual modality;rather, it is a new feeling that is mediated by the design of the device and shaped by the overall situation of the task. Taken together these findings show that there is much to be gained by synergies between engineering and the cognitive sciences in the creation of new experience-centered technology. We suggest that the guiding principle should be the design of interfaces that serve as a transparent medium for augmenting our natural skills of interaction with the world, instead of requiring conscious attention to the interface as an opaque object in the world.

关键词： Deployment usage experience Haptic I/O human-centered computing user-centered design

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A crowdsourcing method to develop virtual human conversational agents

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INTERNATIONAL JOURNAL OF human-COMPUTER STUDIES 2012年第4期70卷 301-319页

作者： Rossen, Brent Lok, Benjamin Univ Florida Gainesville FL 32611 USA

Educators in medicine, psychology, and the military want to provide their students with interpersonal skills practice. Virtual humans offer structured learning of interview skills, can facilitate learning about unusual conditions, and are always available. However, the creation of virtual humans with the ability to understand and respond to natural language requires costly engineering by conversation knowledge engineers (generally computer scientists), and incurs logistical cost for acquiring domain knowledge from domain experts (educators). We address these problems using a novel crowdsourcing method entitled human-centered Distributed Conversational Modeling. This method facilitates collaborative development of virtual humans by two groups of end-users: domain experts (educators) and domain novices (students). We implemented this method in a web-based authoring tool called Virtual People Factory. Using Virtual People Factory, medical and pharmacy educators are now creating natural language virtual patient interactions on their own. This article presents the theoretical background for human-centered Distributed Conversational Modeling, the implementation of the Virtual People Factory authoring tool, and five case studies showing that human-centered Distributed Conversational Modeling has addressed the logistical cost for acquiring knowledge. Published by Elsevier Ltd.

关键词： Virtual humans Agents and intelligent systems human-centered computing Distributed knowledge acquisition End-user programming

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Vision-Based Traffic Sign Detection and Analysis for Intelligent Driver Assistance Systems: Perspectives and Survey

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IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS 2012年第4期13卷 1484-1497页

作者： Mogelmose, Andreas Trivedi, Mohan Manubhai Moeslund, Thomas B. Aalborg Univ Visual Anal People Lab Aalborg Denmark Univ Calif San Diego Comp Vis & Robot Res Lab La Jolla CA 92093 USA

In this paper, we provide a survey of the traffic sign detection literature, detailing detection systems for traffic sign recognition (TSR) for driver assistance. We separately describe the contributions of recent works to the various stages inherent in traffic sign detection: segmentation, feature extraction, and final sign detection. While TSR is a well-established research area, we highlight open research issues in the literature, including a dearth of use of publicly available image databases and the over-representation of European traffic signs. Furthermore, we discuss future directions of TSR research, including the integration of context and localization. We also introduce a new public database containing U.S. traffic signs.

关键词： Active safety human-centered computing machine learning machine vision object detection

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Educational Technologies for Precollege Engineering Education

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IEEE TRANSACTIONS ON LEARNING TECHNOLOGIES 2012年第1期5卷 20-37页

作者： Riojas, Mario Lysecky, Susan Rozenblit, Jerzy Univ Arizona Dept Elect & Comp Engn Tucson AZ 85719 USA Univ Arizona Dept Elect & Comp Engn Tucson AZ 85721 USA

Numerous efforts seek to increase awareness, interest, and participation in scientific and technological fields at the precollege level. Studies have shown these students are at a critical age where exposure to engineering and other related fields such as science, mathematics, and technology greatly impact their career goals. A variety of advanced learning technologies have emerged to enhance learning, promote hands-on experiences, and increase interest in engineering. However, creating and sustaining technology-infused learning environments at the precollege level is a challenging task, as many schools have limited resources and expertise. Moreover, while numerous technology solutions are available to support ambitious engineering-learning goals, choosing the right technology to align to program goals and resources may be a daunting task. In this work, we fill the gap between the applicability of educational implements and suitable teaching methods for precollege engineering. We present an overview of available hardware- and software-based technologies, and characterize these technologies based on criteria such as median price, the type of learning activities fostered, and the required users' expertise levels. In addition, we outline how these technologies align with deductive and inductive teaching methods that emphasize direct-instruction, inquiry-, problem-, and project-based methods, as studies have shown these methods are effective for precollege engineering education.

关键词： Educational technologies learning technologies engineering education human-centered computing interactive environments robotics

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Serum DKK1 as a protein biomarker for the diagnosis of hepatocellular carcinoma: a large-scale, multicentre study

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LANCET ONCOLOGY 2012年第8期13卷 817-826页

作者： Shen, Qiujin Fan, Jia Yang, Xin-Rong Tan, Yexiong Zhao, Weifeng Xu, Yang Wang, Ning Niu, Yongdong Wu, Zheng Zhou, Jian Qiu, Shuang-Jian Shi, Ying-Hong Yu, Bin Tang, Ning Chu, Wei Wang, Min Wu, Jinhua Zhang, Zhigang Yang, Shengli Gu, Jianren Wang, Hongyang Qin, Wenxin Shanghai Jiao Tong Univ State Key Lab Oncogenes & Related Genes Shanghai Canc Inst Renji HospSch Med Shanghai 200032 Peoples R China Fudan Univ Inst Biomed Sci Shanghai 200433 Peoples R China Second Mil Med Univ Eastern Hepatobiliary Surg Hosp Shanghai Peoples R China Soochow Univ Affiliated Hosp 1 Dept Infect Dis Suzhou Peoples R China

Background Hepatocellular carcinoma (HCC) is prevalent worldwide and improvements in timely and effective diagnosis are needed. We assessed whether measurement of Dickkopf-1 (DKK1) in serum could improve diagnostic accuracy for HCC. Methods We analysed data for patients with HCC, chronic hepatitis B virus (HBV) infection, liver cirrhosis, and healthy controls, recruited from two Chinese centres between December, 2008, and July, 2009. A validation cohort matched for age and sex was recruited from another centre in China between July, 2010, and June, 2011. DKK1 was measured in serum by ELISA by independent researchers who had no access to patients' clinical information. We used receiver operating characteristics (ROC) to calculate diagnostic accuracy. Findings We assessed serum DKK1 in 831 participants: 424 with HCC, 98 with chronic HBV infection, 96 with cirrhosis, and 213 healthy controls. The validation cohort comprised 453 participants: 209 with HCC, 73 with chronic HBV infection, 72 with cirrhosis, and 99 healthy controls. Levels of DKK1 in serum were significantly higher in patients with HCC than in all controls. ROC curves showed the optimum diagnostic cutoff was 2.153 ng/mL (area under curve [AUC] 0.848 [95% CI 0.820-0.875], sensitivity 69.1%, and specificity 90.6% in the test cohort;0.862 [0.825-0.899], 71.3%, and 87.2% in the validation cohort). Similar results were noted for early-stage HCC (0.865 [0.835-0.895], 70.9%, and 90.5% in the test cohort;0.896 [0.846-0.947], 73.8%, and 87.2% in the validation cohort). Furthermore, DKK1 maintained diagnostic accuracy for patients with HCC who were a-fetoprotein (AFP) negative (0.841 [0.801-0.882], 70.4%, and 90.0% in the test cohort;0.869 [0.815-0.923], 66.7%, and 87.2% in the validation cohort), including for patients with early-stage HCC (0.870 [0.829-0.911], 73.1%, and 90.0% in the test cohort;0.893 [0.804-0.983], 72.2%, and 87.2% in the validation cohort), compared with all controls. Raised concentrations of DK

关键词： diagnosis quality/standard cohort DKK1 gene Serum human-centered computing

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A Layout Preserving Online Document Glancing Technique

A Layout Preserving Online Document Glancing Technique

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Annual IEEE India Conference (INDICON)

作者： Marur, Diwakar R. Bhaskar, Vidhyacharan SRM Univ Dept Elect & Commun Engn Madras 603203 Tamil Nadu India

ISBN: (纸本)9781467322706;9781467322713

Internet has become the largest repository for documents. PDF documents distribution through Internet is prevalent, as the cost is almost zero. At present, files are mostly downloaded from the Internet and users go through cursorily over entire document and then they decide to store it in their hard disk or not. To facilitate the user-document interaction, a novel document distribution technique is proposed. The proposed method creates lean documents that contain only entities that would aid the user's decision making process, while the rest are replaced with aesthetically pleasing pseudo-text. The proposed lean documents will not only have less file size, they significantly reduce the cognitive and Internet resources requirement.

关键词： Document Visualization Thumbnail Document Image Cognition human-centered computing Portable Document Format (PDF) Deja Vu .

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User Generated human Computation Applications

User Generated Human Computation Applications

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ASE/IEEE International Conference on Privacy, Security, Risk and Trust / ASE/IEEE International Conference on Social computing (SocialCom/PASSAT)

作者： Kokciyan, Nadin Uskudarli, S. Dinesh, T. B. Bogazici Univ Dept Comp Engn Istanbul Turkey Servelots Infotech Bangalore Karnataka India

ISBN: (纸本)9780769548487;9781467356381

Social Web applications have successfully transformed content consuming users into content producers. Aside of socializing, these applications are frequently used to disseminate information and coordinate purposeful activities, such as disaster response, political action, and neighborhood organizations. These activities are carried out via human interpreted messages. In many cases, dedicated information processing spaces would better serve such needs. Unfortunately, a typical Web user is not able to create even very simple applications, as they require significant technical know-how. This work proposes an approach towards creating simple collaborative applications. The approach, called WeFlow, proposes a collaborative application specification, an application generator, and an execution engine. The WeFlow framework is presented with focus on the implementation issues. A case study, where users report and track accessibility violations, is presented for demonstration purposes.

关键词： human-centered computing Collaborative computing human information processing Workflow management Computer-supported collaborative work

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A TASK-ORIENTED computing SERVICE SHARING MODEL AND ITS APPLICATION TO TALENT TRAINING AND MANAGEMENT

A TASK-ORIENTED COMPUTING SERVICE SHARING MODEL AND ITS APPL...

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2012 IEEE 2nd International Conference on Cloud computing and Intelligence Systems

作者： Xue Jun Zengliang Liu Graduate University of Chinese Academy of Sciences Institute of Information Operation National Defense University

关键词： human-centered computing computing service share Talent training and management

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CREATING INTERACTION SCENARIOS WITH A NEW GRAPHICAL USER INTERFACE

CREATING INTERACTION SCENARIOS WITH A NEW GRAPHICAL USER INT...

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International Conference on Complex, Intelligent and Software Intensive Systems

作者： Celine Jost Brigitte Le Pevedic Dominique Duhaut Lab-STICC CNRS laboratory

ISBN: (纸本)9781467312332

The field of human-centered computing has known a major progress these past few years. It is admitted that this field is multidisciplinary and that the human is the core of the system. It shows two matters of concern: multidisciplinary and human. The first one reveals that each discipline plays an important role in the global research and that a collaboration between everyone is needed. The second one explains that a growing number of researches aims at making the human commitment degree increase by giving him/her a decisive role in the human-machine interaction. This paper focuses on these both concerns and presents MICE (Machines Interaction Control in their Environment) which is a system where the human is the one who makes the decisions to manage the interaction with the machines. In an ambient context, the human can decide of objects actions by creating interaction scenarios with a new visual programming language: scenL.

关键词： Ambient intelligence human-computer interaction human-robot interaction Robot programming human machine interaction Robot programming Ambient intelligence computer human interaction graphical user interfaces human human-centered computing Multidisciplinary machine

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