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10th International Conference on Trust, Privacy and Security in Digital Business, TrustBus 2013

作者： Pavlidis, Michalis Mouratidis, Haralambos Kalloniatis, Christos Islam, Shareeful Gritzalis, Stefanos School of Architecture Computing and Engineering University of East London United Kingdom Cultural Informatics Laboratory Dept. of Cultural Technology and Communication University of the Aegean Greece Laboratory of Information and Communication Systems Security Dept. of Information and Communications Systems Engineering University of the Aegean Greece

ISBN: (纸本)9783642403422

Cloud computing is a new paradigm with a promising potential. However, issues of security, privacy, and trust raise concerns and discourage its adoption. In previous work we presented a framework for the selection of appropriate cloud provider based on security and privacy requirements criteria. However, the adoption of cloud includes release of control over valuable assets, which constitutes trust in the cloud provider of paramount importance. In this paper we extend the framework by incorporating trust and control concepts in its language and adding a new activity to properly identify and reason about trust assumptions during the selection of appropriate cloud provider. Also, the CASE tool was extended to support the new activity. A case study is used to illustrate the usefulness of our approach. © 2013 Springer-Verlag.

关键词： Trusted computing

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Multi-touch pinch gestures: Performance and ergonomics 13

Multi-touch pinch gestures: Performance and ergonomics

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2013 8th ACM International Conference on Interactive Tabletops and Surfaces, ITS 2013

作者： Hoggan, Eve Nacenta, Miguel Kristensson, Per Ola Williamson, John Oulasvirta, Antti Lehtiö, Anu Helsinki Institute for Information Technology HIIT Aalto Science Institute Aalto University Helsinki Finland School of Computer Science University of St. Andrews St Andrews United Kingdom School of Computing Science University of Glasgow Glasgow United Kingdom Max Planck Institute for Informatics Saarland University Saarbrucken Germany Helsinki Institute for Information Technology HIIT University of Helsinki Finland

ISBN: (纸本)9781450322713

Multi-touch gestures are prevalent interaction techniques for many different types of devices and applications. One of the most common gestures is the pinch gesture, which involves the expansion or contraction of a finger spread. There are multiple uses for this gesture - zooming and scaling being the most common - but little is known about the factors affecting performance and ergonomics of the gesture motion itself. In this note, we present the results from a study where we manipulated angle, direction, distance, and position of two-finger pinch gestures. The study provides insight into how variables interact with each other to affect performance and how certain combinations of pinch gesture characteristics can result in uncomfortable or difficult pinch gestures. Our results can help designers select faster pinch gestures and avoid difficult pinch tasks. © 2013 ACM.

关键词： Ergonomics

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Attire: Conveying information exposure through avatar apparel 13

Attire: Conveying information exposure through avatar appare...

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2013 2nd ACM Conference on Computer Supported Cooperative Work Companion, CSCW 2013

作者： Hoyle, Roberto Patil, Sameer White, Dejanae Dawson, Jerald Whalen, Paul Kapadia, Apu School of Informatics and Computing Indiana University Bloomington IN 47405 United States Helsinki Institute for Information Technology HIIT Aalto University Helsinki Finland College of Engineering North Carolina Agricultural and Technical State University Greensboro NC 27411 United States School of Computer Science Jackson State University Jackson MS 39213 United States

ISBN: (纸本)9781450313322

Systems of interpersonal interaction typically allow a user to manage privacy by specifying which accesses to his or her personal information are permitted. However, users rarely know whether, when, and by whom information was actually accessed within the parameters they specified. We define actual accesses to personal information as \information exposure." Knowing one's exposure can potentially enhance privacy management. Toward this end, we present Attire: an app for computers and smartphones that represents the user with an avatar. Attire conveys real-time information exposure in a lightweight and unobtrusive manner via modifications to the avatar's clothing. Copyright © 2012 by the Association for computing Machinery, Inc. (ACM).

关键词： Data privacy

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Proxy based framework for personalized Web service composition

Proxy based framework for personalized Web service compositi...

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International Symposium on Autonomous Decentralized Systems (ISADAS)

作者： Ruzhi Xu Baitao Ji Yinong Chen School of Computer Science and Technology Shandong University of Finance and Economics Jinan China School of Computing Informatics and Decision Systems Engineering Arizona State University Tempe USA

ISBN: (纸本)9781467350693

Service-oriented computing and Web services are becoming the dominating computing model as internet and cloud computing become pervasive. More and more services with the same functionality are becoming available, and QoS (Quality of Service) is the main factor to differentiate them. The overall QoS of a business process must meet user's requirement. Our study proposes a proxy-based framework to facilitate the dynamic integration of Web services into business process and fast detection of abnormalities. The major functions of our dynamic proxy-based framework include service collection, composition, selection and adaptation. Our study concerns both functionality and QoS characteristics of Web services to identify the optimal business process solutions.

关键词： Quality of service Web services Business Availability Time factors Transforms

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An Empirical Study of VMM Overhead, Configuration Performance and Scalability

An Empirical Study of VMM Overhead, Configuration Performanc...

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2013 IEEE Seventh International Symposium on Service-Oriented System Engineering

作者： Xiaofei Huang Xiaoying Bai Richard M. Lee Department of Computer Science and Technology TNList Tsinghua University Beijing China School of Computing and Informatics Arizona State University Tempe AZ USA

ISBN: (纸本)9781467356596

Virtual Machines have been a key enabling technology for Cloud computing. Compared with the physical machine, VMs aim to enhance resource utilization via on-demand and dynamic resource allocation. However, with VMs, new performance issues are introduced such as hyper visor overhead and scheduling effectiveness, the impacts of configuration on system performance, and mutual influences among VM instances. This empirical study is motivated by 5 research problems including performance comparison between physical and virtualized environments, hyper visor overhead analysis, scalability analysis, and the impacts of VM management strategies. Using VMWare ESXi as a representative VM product, we have set up two experiment environments of different scales. A series of experiments were designed and exercised using data-intensive and computing intensive benchmarks. The results show the performance patterns of VM systems under different usage scenarios and system configurations. The study helps to analyze and understand Cloud performance characteristics from the users' perspectives.

关键词： Servers Virtual machine monitors Resource management Scalability Benchmark testing Runtime System performance

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Motherhood and HCI 31

Motherhood and HCI

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31st Annual CHI Conference on Human Factors in computing Systems:, CHI EA 2013

作者： Balaam, Madeline Say, Rebecca Robertson, Judy Hayes, Gillian Mazmanian, Melissa Fitzpatrick, Geraldine Parmar, Belinda Culture Lab School of Computing Science Newcastle University United Kingdom Institute of Health and Society Newcastle University Newcastle upon Tyne United Kingdom School of Mathematical and Computer Sciences Heriot Watt University Edinburgh United Kingdom Department of Informatics University of California Irvine United States Department of Informatics University of California Irvine United States HCI Group Vienna University of Technology Vienna Austria Lady Geek Ltd Orchard Road London United Kingdom

ISBN: (纸本)9781450318990

Motherhood and mothering are fundamental aspects of life, and as a consequence, every culture has knowledge, values, practices and expectations related to the role. Technologies now have an increasing role in motherhood, altering many women’s experiences of pregnancy, birth, and mothering. For HCI, such a transition opens a whole host of questions relating to areas of participatory design, social connection, data sharing, identity, memory-making, emotion work, as well as offering a new lens through which to understand notions of care and wellbeing. This workshop will bring together researchers, designers, and practitioners interested in the role of motherhood, the act of mothering, and its relation to HCI and technology. We will identify a collective research agenda related to motherhood and HCI and forge connections amongst a community of researchers to support the sharing of knowledge, resources and design approaches.

关键词： Human computer interaction

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GENO-06A PAN-GLIOMA CHARACTERIZATION OF GENOMIC, EPIGENOMIC AND TRANSCRIPTOMIC ACTIVITIES REVEALS NOVEL RELATIONSHIPS BETWEEN HISTOLOGICAL SUBTYPES AND MOLECULAR SIGNATURES

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Neuro-Oncology 2015年第SUPPL_5期17卷 v92–v92页

作者： Barthel, Floris P. Ceccarelli, Michele Malta, Tathiane M. Sabedot, Thais S. Salama, Sofie R. Pagnotta, Stefano M. Murray, Bradley A. Morozova, Olena Newton, Yulia Brat, Daniel J. Cherniack, Andrew D. Zhang, Hailei Poisson, Laila Cooper, Lee Rabadan, Raul Laird, Peter W. Gutmann, David H. Noushmehr, Houtan Iavarone, Antonio Verhaak, Roel G.W. Department of Genomic Medicine Department of Bioinformatics and Computational Biology Department of Neuro-Oncology Department of Neurosurgery Department of Pathology University of Texas MD Anders Houston TX 77030 USA Department of Science and Technology University of Sannio Benevento Italy Qatar Computing Research Institute HBKU Qatar Qatar Department of Genetics Ribeirão Preto Medical School - FMRP São Paulo Brazil UC Santa Cruz Genomics Institute University of California Santa Cruz CA USA The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University Cambridge MA USA Winship Cancer Institute Emory University Atlanta GA USA Department of Neurology Department of Pathology Institute for Cancer Genetics Department of Systems Biology and Biomedical Informatics Columbia University Medical Center New York NY USA Henry Ford Hospital Detroit MI USA

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A framework for TV logos learning using linear inverse diffusion filters for noise removal

A framework for TV logos learning using linear inverse diffu...

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2013 11th International Conference on High Performance computing and Simulation, HPCS 2013

作者： Cozar, Julian R. Zeljkovic, Vesna Gonzalez-Linares, Jose Mo Guil, Nicolas Tameze, Claude Valev, Ventzeslav Computer Architecture Department University of Málaga Málaga Spain School of Engineering and Computing Sciences New York Institute of Technology Nanjing Campus United States Department of Mathematics and Computer Science Lincoln University PA United States Institute of Mathematics and Informatics Bulgarian Academy of Sciences Sofia Bulgaria

ISBN: (纸本)9781479908363

Different logotypes represent significant cues for video annotations. A combination of temporal and spatial segmentation methods can be used for logo extraction from various video contents. To achieve this segmentation, pixels with low variation of intensity over time are detected. Static backgrounds can become spurious parts of these logos. This paper offers a new way to use several segmentations of logos to learn new logo models from which noise has been removed. First, we group segmented logos of similar appearances into different clusters. Then, a model is learned for each cluster that has a minimum number of members. This is done by applying a linear inverse diffusion filter to all logos in each cluster. Our experiments demonstrate that this filter removes most of the noise that was added to the logo during segmentation and it successfully copes with misclassified logos that have been wrongly added to a cluster. © 2013 IEEE.

关键词： Diffusion

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A coupled linguistics/statistical technique for query structure classification and its application to Query Expansion

A coupled linguistics/statistical technique for query struct...

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International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： Bhawani Selvaretnam Mohammed Belkhatir Christopher Messom Faculty of Computing & Informatics Multimedia University Malaysia Faculty of Computer Science University of Lyon Lyon France School of Information Technology Monash University Malaysia

ISBN: (纸本)9781467352512

The retrieval effectiveness of Query Expansion (QE) is very much dependent on the ability to accurately identify and expand core concepts which are truly representative of the intended search goal. Two characteristics of natural language queries which hinder the performance of query expansion for information retrieval are query length and structure. The varying lengths of a query translate to the number of core concepts that may exist and the possibility of there being multiple query intents embedded within a single query. On the other hand, the structure of queries reveals the linguistic properties which allows for the determination of whether they take the form of well-formed sentences or are simply bags-of-words which in the strictest sense are a series of words with no obvious relations amongst them. Whilst query lengths are easily assessed, we propose a two-level automated classification technique consisting of linguistics based and statistical processing for query structure classification. The proposed method has revealed high levels of classification accuracy on TREC ad hoc test queries.

关键词： Pragmatics Accuracy Natural languages Educational institutions Information retrieval Google Syntactics

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Semi-automatic acquisition of two-level morphological rules for Iban language

Semi-automatic acquisition of two-level morphological rules ...

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14th Annual Conference on Intelligent Text Processing and Computational Linguistics, CICLing 2013

作者： Saee, Suhaila Soon, Lay-Ki Lim, Tek Yong Ranaivo-Malançon, Bali Tang, Enya Kong Faculty of Computer Science and IT Universiti Malaysia Sarawak Jalan Datuk Mohd Musa 94300 Kota Samarahan Sarawak Malaysia Faculty of Computing and Informatics Multimedia University Persiaran Multimedia 63100 Cyberjaya Selangor Malaysia School of Computer Science and Information Technology Linton University College Mantin Negeri Sembilan Malaysia

ISBN: (纸本)9783642372469

We describe in this paper a semi-automatic acquisition of morphological rules for morphological analyser in the case of under-resourced language, which is Iban language. We modify ideas from previous automatic morphological rules acquisition approaches, where the input requirements has become constraints to develop the analyser for under-resourced language. This work introduces three main steps in acquiring the rules from the under-resourced language, which are morphological data acquisition, morphological information validation and morphological rules extraction. The experiment shows that this approach gives successful results with 0.76 of precision and 0.99 of recall. Our findings also suggest that the availability of linguistic references and the selection of assorted techniques for morphology analysis could lead to the design of the workflow. We believe this workflow will assist other researchers to build morphological analyser with the validated morphological rules for the under-resourced languages. © 2013 Springer-Verlag.

关键词： Data acquisition

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