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International IEEE Consumer Electronics Society's Games Innovations Conference, ICE-GIC

作者： Bian Wu Alf Inge Wang Yuanyuan Zhang Department of Computer and Information Science Norwegian University of Science and Technology Trondheim Norway Computer Teaching and Research Section Institute of Chemical Defense of People Liberation Army Beijing China

This paper describes the implementation of an educational Massively Multiplayer Online Role-Playing Game (MMORPG), named World of Wisdom (WoW). WoW is designed under the context of game design theory and game features extracted from surveys of popular MMORPGs. It is an open educational platform where students can “play exercises” instead doing them in the traditional paper way. Further, it provides an editor for teachers to create new game plots and content without the need of programming. As an aid for lectures, WoW can motivate the students to do the exercises more thoroughly. Finally, the paper presents both positive and negative experiences from the design and implementation of the game. We find that there are various theories that can benefit the design of educational MMORPGs. However, the key problem is how to choose and apply relevant theory to support the design, our experiences in the paper are examples that explore and explain this problem.

关键词： Games Servers Education Prototypes Databases IEEE Consumer Electronics Society Conferences

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Research of process concealment based on technology of Intercepting API calls

Research of process concealment based on technology of Inter...

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International Conference on computer science and Information Technology (CSIT)

作者： Hua Dong Wang Li Liao Computer Science Department Zhoukou Normal University Henan China Teaching and Research Department of Public Computer Zhoukou Normal University Zhoukou Henan China

API interception means a particular way of interrupting API calls and altering the original API execution to the code supplied by the user. This paper introduces how to realize process concealment by Intercepting API, and discusses several kinds of implemental ways of DLL injection and API interception with emphasis, which are the central techniques of the API Hook, then provides the key code for process concealment in practice.

关键词： Trojan horses Process control Task analysis Operating systems Message systems Switches Monitoring

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Fairness resource allocation and scheduling for IEEE 802.16 mesh networks

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Journal of Networks 2010年第6期5卷 724-731页

作者： Peng, Limin Cao, Zhanmao Computer application teaching and research department Guangzhou Sport University Guangzhou 510500 China School of Computer Science and Engineering South China University of Technology Guangzhou 510641 China

The IEEE 802.16 standard provides a scheme for creating multi-hop relay networks, which can be deployed as a high speed wide area wireless network at low cost. Although the standard defines signaling mechanisms in mesh mode, however, it doesn't specify wireless resource management in the protocol. In this paper, we address the problem of resource allocation with the goal of providing fairness access to wireless channel for all the nodes as well as high network throughput in IEEE 802.16 mesh networks. We first define node's unsatisfactory index and throughput function. Then, a multi-objective programming formulation is proposed for optimizing network performance. Accordingly, a dynamic programming based resource allocation and scheduling algorithm is presented to provide an optimal resource allocation to achieve fairness among different nodes as well as high network throughput in IEEE 802.16 mesh networks. Simulation results show that our proposed algorithm significantly provides both fairness of channel access and optimal network throughput. © 2010 ACADEMY PUBLISHER.

关键词： Resource allocation

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Link spam detection based on genetic programming

Link spam detection based on genetic programming

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International Conference on Natural Computation

作者： Niu, Xiaofei Li, Shengen Yuan, Ning Niu, Xuedong Zhu, Cuiling School of Computer Science and Technology Shandong Jianzhu University Jinan Shandong China School of Information Science and Engineering University of Jinan Jinan Shandong China Teaching Affairs Department Shandong University of Technology Zibo Shandong China School of Information Management Shandong Economic University Jinan Shandong China

ISBN: (纸本)9781424459612

Link spam refers to unfairly gaining a high ranking on search engines for a web page by means of trickily manipulating the link graph to confuse the hyper-link structure analysis algorithms. It seriously affects the quality of the search engine query results. Detecting link spam has become a big challenge for web search. This paper proposes to learn a discriminant function to detect link spam by genetic programming. In this article, the representation of individuals, the genetic operators and the fitness function are studied. The experiments on WEBSPAMUK-2006 are carried out to find the preferable parameters and evaluate the validity of genetic programming. The experimental results show that this method can improve spam classification recall by 27.5%, F-measure by 12.1% and accuracy by 4.6% compared with SVM. ©2010 IEEE.

关键词： Genetic programming

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Prostate boundary detection in ultrasound images based on type-II fuzzy sets and modified fuzzy c-means

Advances in Intelligent and Soft Computing

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Advances in Intelligent and Soft Computing 2010年 75卷 187-195页

作者： Hassanien, Aboul Ella Schaefer, Gerald Al Qaheri, Hameed Information Technology Department Cairo University Egypt Department of Computer Science Loughborough University United Kingdom Department of Quantitative Methods and Information Systems Kuwait University Kuwait

ISBN: (纸本)9783642112812

Estimation of prostate location and volume is essential in determining a dose plan for ultrasound-guided brachytherapy, a common prostate cancer treatment. However, manual segmentation of the prostate area is difficult, time consuming and prone to variability. In this paper, we present an automated approach to prostate boundary detection in ultrasound images. First, we utilise type-II fuzzy sets to enhance the contrast of the prostate image. This is followed by a modified fuzzy c-means clustering algorithm in order to detect the actual boundary of the prostate pattern. To evaluate the performance of our approach, we present tests on different prostate ultrasound images and show that the overall accuracy offered by the employed approach is high. © Springer-Verlag Berlin Heidelberg 2010.

关键词： Diseases

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The teaching structure “with students as subject and teacher as leader” based on MOODLE platform

The teaching structure “with students as subject and teache...

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International Conference on Artificial Intelligence and Education (ICAIE)

作者： Xu-Huai Hu Jian-Ping Ouyang College of Computer Science Hunan Institute of Science and Technology Yueyang China Department of Non-major Foreign Languages Teaching Hunan Institute of Science and Technology Yueyang China

This paper proposes a teaching structure “with students as subject and teacher as leader” based on a popular open-source course management system(CMS)-MOODLE, and discusses the implementation of the pattern designed for classroom assistant teaching, research-oriented learning, autonomous learning, and group collaboration learning.

关键词： Lead

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Ranking of gene regulators through differential equations and Gaussian processes

Ranking of gene regulators through differential equations an...

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IEEE Workshop on Machine Learning for Signal Processing

作者： Antti Honkela Marta Milo Matthew Holley Magnus Rattray Neil D. Lawrence Department of Information and Computer Science School of Science and Technology Aalto University Finland School of Medicine and Biomedical Science NIHR Cardiovascular Biomedical Research Unit Sheffield Teaching Hospitals NHS Trust Sheffield UK Department of Biomedical Science University of Sheffield UK School of Computer Science University of Manchester Institute of Science and Technology UK

Gene regulation is controlled by transcription factor proteins which themselves are encoded as genes. This gives a network of interacting genes which control the functioning of a cell. With the advent of genome wide expression measurements the targets of given transcription factor have been sought through techniques such as clustering. In this paper we consider the harder problem of finding a gene's regulator instead of its targets. We use a model-based differential equation approach combined with a Gaussian process prior distribution for unobserved continuous-time regulator expression profile. Candidate regulators can then be ranked according to model likelihood. This idea, that we refer to as ranked regulator prediction (RRP), is then applied to finding the regulators of Gata3, an important developmental transcription factor, in the development of ear hair cells.

关键词： Regulators Mathematical model Ear Proteins Bioinformatics Biological system modeling Genomics

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An anomaly detection model based on neighborhood preserving

An anomaly detection model based on neighborhood preserving

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International Conference on Intelligent Control and Information Processing (ICICIP)

作者： Weifeng Jia Ning Yang Bin Tong Department of Computer Teaching Anyang Normal University Anyang South Korea North China University of Water Resources and Electric Power Zhengzhou China School of Computer Science and Engineering University of Electronic Science and Technology Chengdu China

Real-time detection is one of the most important issues in intrusion detection. When the network data is becoming huge and is of high dimensionality, real-time detection with high detection accuracy and low false alarm rate is challenging for previous methods. In order to handle this problem appropriately, we propose a novel anomaly detection model based on neighborhood preserving and branch and bound tree, named as ADM-NP. In this method, high-dimensional network data is mapped to a lower dimension space, reducing the complexity of computation in anomaly detection algorithm. Besides, since branch and bound tree is adopted, the KNN searching in anomaly detection algorithm becomes faster. Empirical studies based on KDD CUP 99 data set demonstrate the effectiveness of our method.

关键词： Intelligent control Information processing Conferences

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Measuring the progress of reference model-based business process modeling

Measuring the progress of reference model-based business pro...

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2nd International Symposium on Services science, ISSS 2010 and 3rd International Conference on Business Process and Services Computing, BPSC 2010 - INFORMATIK 2010

作者： Koschmider, Agnes De La Vara, Jose Luis Sánchez, Juan Department of Computer Science University of Pretoria Pretoria 0002 South Africa Institute of Applied Informatics and Formal Description Methods Karlsruhe Institute of Technology Germany Centro de Investigación en Métodos de Producción de Software Universidad Politécnica de Valencia Spain

ISBN: (纸本)9783885792710

Business process modeling plays a major role in industry and academia. As a result, current research focuses on its assistance. Business process modeling is a time-consuming task and its effort is hard to predict, and a plethora of concepts exists for facilitating and improving it. A concept that has not been studied yet is prediction of the remaining effort of business process modeling. In this paper we tackle this issue and suggest a solution for measuring the progress of business process modeling. Our solution is based on the assumption that a reference model is given representing a best practice of a business process. In addition, a set of process variants exists for that reference model. Under these conditions, we propose two measurement approaches that base on the longest common subsequence algorithm and determine the effort required to complete business process modeling. The main benefit of the approaches is the possibility of effectively structuring and monitoring the development of business process modeling projects.

关键词： Systems engineering

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Successful women engineering students: A survey assessment to guide our efforts to boost women's retention

Successful women engineering students: A survey assessment t...

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2010 ASEE Annual Conference and Exposition

作者： Knight, Daniel Corner Sr., Katie Louie, Beverly Shoals Sr., Amber Cabrales, Cindy Integrated Teaching and Learning Program College of Engineering and Applied Science University of Colorado Boulder United States Department of Electrical and Computer Engineering University of Colorado Boulder United States Center College of Engineering and Applied Science University of Colorado Boulder United States College of Engineering and Applied Science University of Colorado Boulder United States Student Affairs Division Student Organizations Finance Office University of Colorado Boulder United States

In the fall of 2009, a college of engineering and applied science at a public, Rocky Mountain region university embarked on a new inclusive excellence initiative called Broadening Opportunity through Leadership & Diversity (BOLD). The BOLD Center is a new K-16 organizational structure to increase the performance, representation and retention through graduation of students who are underrepresented in engineering, including women, students of color, low income and first generation college attendees. A BOLD Center focus of concern is the declining retention rate of women that has dipped below that of men recently in our College. A survey consisting of 41 questions was distributed to all undergraduate engineering women in the college that incorporates scales from the Assessing Women in Engineering (AWE) assessment and from the Academic Pathways of People Learning Engineering Survey (APPLES). Five research questions were posed in the survey design: • Do women express a loss of interest during their program? • Is there a chilly climate for women in the college? • Do women?s self-efficacy levels change during the program? • Do academic performance levels play a role in women?s retention in engineering? • Do women have an adequate support structure in the college? The survey generated 116 responses from 2 solicitations, with women students represented from every major across all four undergraduate years. An unintended outcome was that the sample largely consists of women with high grade point averages. Thus, this paper offers insight on top performing women?s self-efficacy and their views on the college climate, the benefits from various support systems - advising, mentoring, social and financial - and the existing programming and initiatives that can play a role in their achievements. The results indicate that women students are interested and efficacious with respect to obtaining an engineering degree, and that the college climate is, on average, warm and accepting. Howev

关键词： Students

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