bluuebunny/crossref_metadata_2025 huggingface dataset:
The Relationship Between Pattern Designs in the Tang Dynasty and Chinese Modern Landscape Designs
Authors: Xu Honglei , Huang Ying
Published: March 2012

This paper sets forth on the development and evolution of the pattern designs in the Tang Dynasty. In addition, it expatiates on the necessary relationship between the pattern designs and the Chinese modern landscape designs, taking the modern landscape designs as its carrier. It explains at some length the pattern designs in the Tang Dynasty' application as well as influences on the modern landscape designs. This paper takes the pattern designs in the Tang Dynasty as the breakthrough point, and takes the landscape designs as the research area. In this way, it expounds on the intercommunity and the adoptability of arts. Taking factual theory as the reality basis, this paper makes a conclusion through the field research. Meaningful exploration on the application of the art of pattern designs in the Tang Dynasty into the modern landscape designs are set foot in.
Research on Undergraduate Education of Data Warehouse and Data Mining in China
Authors: Li Yuhong , Gu Zhongwei
Published: March 2012

Base on China's institutions of higher learning to use educational materials on Data Warehouse and Data Mining which edited and published in China, and Some examples on the different content from the educational materials are listed. Then through the analysis classroom-teaching base on educational materials, we think it is highly necessary to adjust the proportion between teaching theoretical courses and experiment courses of undergraduate education of Data Warehouse and Data Mining in China. That is, adding the proportion of experimental classes is an absolute essential. It will be beneficial to brush up to improve undergraduate student's abilities of solving problems with software and to improve our teaching quality. Therefore, the reasons of experimental classes can't arouse our adequate appreciate be point out. That is: (1) There are certain limitation in the programming and actualization of the Data Warehouse technology in Chinese enterprises; (2) The authors of educational materials lack practical experience from Data Warehouse project. Finally, base on the objective of training for applied talents, the new educational materials related to architecture and training scheme are given.
The Application of Fuzzy Theory in the River Health Assessment
Authors: Sun Xue-lan , Ren Cai
Published: March 2012

Based on the Lower Yellow River health assessment as an example, the fuzzy comprehensive evaluation is introduced in this paper for the river health assessment, using the improved analytical hierarchy process to determine the relevant weight, with weighted average method of the fuzzy comprehensive evaluation results to facilitate comparisons between different reaches of the same river and among different rivers. Meanwhile, the evaluation results of different models are compared and verified with the actual condition of the Lower Yellow River, concluding that fuzzy comprehensive evaluation can accurately reflect the health status of the Lower Yellow River. The mode V is optimal since it can effectively reflect the changing trend and extent of the river health which are in good accordance with the actual situation.
A Preliminary Exploration to the Integration of Industrial Design and Computer-Aided Softwares
Authors: Dehui Ye
Published: March 2012

In the industrial design field, the application of computer aided softwares is in a disordered stage, needed to be arranged. With the advancement of industrial design discipline, computer aided technologies have been relentlessly improving, therefore it is imperative to integrate softwares used in different industrial design stages, and bring the industrial design on a standardized, scientific path rapidly to facilitate its development.
Consideration on the Construction and Development of Chinese College and University Libraries in the Network Age
Authors: Hengmei Wu
Published: March 2012

Under the network environment, great changes have happened to the libraries of all Chinese colleges and universities in the aspects of modernization, the models of management, the means of service, the collection development and so on. In order to meet the challenges and changes and improve the service quality under this network environment, it is necessary for these libraries to attach great importance to the conception renewal, the improvement of service levels, the optimization of collection structure and the training of personnel and so on, for the ultimate purpose of promoting the construction and development of current libraries of Chinese colleges and universities to be better.
Sky Condition Classification Using the Whole-Sky Infrared Cloud-Measuring System Data
Authors: Lei Liu , Xuejin Sun , Taichang Gao , Shijun Zhao
Published: March 2012

Cloud classification using satellite images has been done for many years, while the study of ground-based cloud classification is still underway. This seems to be difficult because of their local characters, complex shapes and quickly changes. In resent years, sky condition classification was suggested instead of cloud classification. In this research, a method using Fuzzy Uncertainty Texture Spectrum to classify sky conditions is proposed. The method is firstly applied to 200 simplex sky conditions images obtained from the whole sky infrared cloud measuring system in Nanjing, China. The classification accuracy rates of stratiform, cumuliform, waveform, cirriform clouds and clear sky compared with human observations are 100%, 82.5%, 80%, 82.5%, and 100% respectively, the average accuracy rate is 89%. While the method is applied to 217 complex sky conditions, the accuracy rates are reduced to 78.6%, 61.8%, 66.7%, 57.7%, and 82.0% respectively, and the average accuracy rate is only 69.6%. It shows that the complex sky conditions are still difficult to be classified only by using the texture-based feature extraction methods.
Research and Design of the Embedded USB Host Based on MCF51JM128
Authors: Jierong Xue , Dong Yuxin , Yu Peiliang
Published: March 2012

An embedded USB host system based on the MCF51JM128 is researched and designed. This paper use MCF51JM128 as main control chip and system MCU, through the design of software and hardware to realize of embedded USB Host. The drive program of the USB is written in C language. Through the Codewarrior integrated development environment's transplantation and the compiler, so as to realize the embedded USB host U disk read and write operations.
Research on the Construction of Online Learning-Supporting Digital Libraries
Authors: Lai Huirong
Published: March 2012

Online learning, a new learning method in the digital age, requires learning support services, which are exactly the strong functions of digital libraries. This essay offers several strategies and suggestions on how to elevate the learning support services for online learning of digital libraries.
Efficient Teaching Reflection with the Help of Education Technology
Authors: Ningbin Wei
Published: March 2012

Teaching Reflection plays an important role in the teachers' improvement. With the right use of modern education technology and informational network tools when teachers doing teaching reflection, it can make well because this can break the limit of traditional teaching reflection. This paper mainly talks about the content of teaching reflection by using education technology.
Generalized Theorems for the Monotonicity Theorem of Functions
Authors: Meng Xiangju , Cheng Yu , Xu Min
Published: March 2012

Derivative is highly important part of both elementary and higher mathematics, and is one of the most significant tools to research the properties of functions. Generally speaking, we often make use of the monotonicity of functions to prove some inequalities. In this paper, the generalized theorems and the proofs for the monotonicity theorem of functions are mainly introduced by the authors.
A Novel Method of Virtual Optical Experiment Based on Computer Simulation
Authors: Zhou Dang-Pei , Chen Ye-Xian
Published: March 2012

Virtual Optical experiment based on computer simulation designed by using technology of video edit, MATLAB language, and FLASH cartoon as tools is presented. The experiment of plano convex lens curvature radius measurement with Newton ring shows the details of this simulation method. The experimental results show that this simulation software has gained favourable effects, such as making the physical phenomenon clear, operating more easy, reality measuring data, et al.
An Information Hiding Using DataGlyph for Audio Watermarking
Authors: Ketcham Mahasak
Published: March 2012

Text watermarking using text lines has a limited capacity problem in hiding data. Therefore, a technique for high capacity data hiding in audio watermarking is presented. The objective is to maximize the payload while keeping robustness and simplicity. In this paper, we propose a new method for data hiding by applying the DataGlyph technique. First, the encoded message is transformed to a DataGlyph as a 2D barcode. Next, the DataGlyph is prepared to be watermarked via a robust audio watermarking scheme based on the DWT-GA. Both DWT-GA are the essential mathematical tools for this scheme. After applying the DWT to the given audio signal, we map the DWT coefficients and apply the GA. We search for the optimal position of audio watermarking by using the GA. Experimental results have shown that this watermarking method performs well in both security and robustness to many digital signal processing methods, such as filtering, cropping, mp3 and random noise.
Based on Random Sampling Fuzzy Clustering Validity Evaluation Method
Authors: Chunchun Hu , Yan Xiaohong
Published: March 2012

Clustering validity index is used to evaluating the clustering result yielded by the fuzzy clustering algorithm. In this paper, a new cluster validity evaluation approach is proposed to determine the optimal fuzzy c-partition produced by the fuzzy c-means algorithm. The proposed evaluation method introduces random sampling method to calculate distribution density. The results of experiment performed on three various data sets indicate that the proposed index is effectiveness comparing with the old validity index based on density. Especially, for spatial data clustering validity evaluation, random sampling can reduce the computation complexity.
A Meta-Model Based Method Towards Network Packets Parsing of Simulation Systems
Authors: Xiao Bin , Yue Yingchao , Xiao Tianyuan , Fan Wenhui
Published: March 2012

Network packets in simulation systems record the simulation data and flow information, which supply key source data to support the effectiveness evaluation of the systems, nevertheless, for now there is no effective, generic analysis tool accustomed to varied formats of network packets. According to the requirement analysis of network packets parsing within a simulation system, this paper proposes a meta-model based generic technique towards network packets parsing, and puts forward the implementation framework of corresponding software. The software is repeatedly applied to multiple simulation exercises successfully. It is proved to be valid and efficient for supporting the effectiveness evaluation of the system.
Spectral Clustering with a New Similarity Measure
Authors: Pan Donghua , Li Juan
Published: March 2012

Spectral clustering has been receiving more and more concerns in recent years. The performance of spectral clustering algorithm depends heavily on similarity measure. By analyzing the characteristics of spectral clustering and global features of clustering structure, we propose a new similarity measure method based on Gaussian kernel function. It is relatively insensitive to the nuclear parameter and can handle multi-scale clustering issues. Experiment in the synthetic data sets and USPS handwritten datasets demonstrates the proposed algorithm is superior to the traditional one.
Centralized Routing Protocol and Distributed Routing Protocol
Authors: Shen Xiao , Li Zhengjun
Published: March 2012

This paper mainly discusses 2 dynamic routing protocols—centralized routing protocol and distributed routing protocol. By comparing and contrasting the two routing protocols, the author expatiates on the principles of both routing protocols, including how they work, how they affect the network performance, and the advantages and disadvantages of these two protocols. In addition, the author gives 2 examples of basic algorithms —Distance Vector Algorithms and Link State Algorithms, which are used by Distributed Routing Protocol. In the end, the result suggests that in order to achieve routing optimization based on specific network environments, the mixed routing protocol which combines centralized routing protocol with distributed routing protocol should be commendatory.
Technological Frame Theory Analysis of E-Learning in Hospital: Perception and Participation
Authors: Hu Ting-Chen
Published: March 2012

This study analyzes and identifies hospital employees' perception of and participation in technology at different phases in the technological frame theory proposed. The frame contains not only the nature and role of technology itself, but also its specific condition, application and results in a specific context. The study conducted in-depth interviews with users at different levels in the hospital do, explored and analyzed the perceptions of technology learning by individuals or groups and the experience gained when technology-based learning was introduced to the organization. Interviewees expressed their interest in the introduction of e-Learning to the organization and their willingness to share their opinions and practical experience.
A Coordination Model for Multi Agent System by Developing Linda
Authors: Azad Saeed Talatian , Chamkoori Alireza
Published: March 2012

Coordination is a main issue in software agent systems in particular, and in distributed artificial intelligence (DAI) in general. There are several reasons why multi agents need to be coordinate: Preventing anarchy or chaos, Meeting global constraints, Distributed expertise or resources or information, Dependencies between agents' actions, Efficiency. This paper represents a coordination model for MAS. This model use organizational structuring and negotiation. A coordination model is an formal framework useful to study and understand problems in designing programming languages and software architectures including several agents. In other words, a coordination model defines how agents interact and how their interactions can be controlled. In the model, we develop Linda paradigm and agents can be coordinate and communicate with them. Tuple space has a few partitions and tuple space manager control it. Each partition has precedence. We have been extended the Linda operations in model.
Talking on the Thoughts of How to Keep in Good Health of the Confucianism, Taoism and the Buddhism
Authors: Xuegong Du , Xu Hu
Published: March 2012

The china ancient thoughts of the Confuceanism, the Taoism and the Buddhism and their realationships of each other constitute the major parts of china traditional thoughts culture. As china traditional culture component part—china ancient sport of keeping in good health also has very important influence actually, In some words keep controling function. Although the thoughts of the Confucianism, Taoism and the Buddhism for keeping in good health has their characteristies and advantage and disadvantage,but the three thoughts are togethered has overall reflected china ancient sport of preserving one's health school having positive practice meaning and role of individual value for today.
Solvability Criteria for Intuitionistic Fuzzy Relation Equations
Authors: Wei Zhou , Gao Wenhua
Published: March 2012

In this paper, we research the intuitionific fuzzy relation equation on the finite sets systematically. The necessary condition and the sufficient and necessary condition for intuitionistic fuzzy relation equation to has a solution are obtained. The method for the maximal solution and sets of all solution of the equation is given.
Case Study on Enterprise Architecture Management Based on TOGAF
Authors: Zhiheng Gao , Kang Chen
Published: March 2012

In this paper, concepts about enterprise architecture management (EAM) are introduced, and the feasibility of EAM for G Telecom is analyzed with SWOT method. Then, an implementation solution in G Telecom is developed under the reference of TOGAF. Furthermore, we referred to E2AMM model to develop architecture management capacity maturity model for G Telecom and made tracing assessment.
Research of Network Storage Based on Data De-Duplication
Authors: Zhang Wei , Wang Huajun , Lu Hanyu , Huang Wei
Published: March 2012

Deduplication is a dedicated to reducing the amount of data to back up, maximize storage utilization, increase the time a new data backup technology. Introduced a variety of data de-duplication technology, describes the process of data de-duplication principle, analyze the same data and similar data detection detection technology differences. Proposed a content-based intelligent data deduplication model, and improved identification of a content-based data de-duplication algorithm. The model and improved algorithm can reduce the redelete technology caused by the accidental deletion of data loss, help build disaster recovery, increase backup storage capacity
Network Defense Efficiency Metric Model Based on Analytic Hierarchy Processing
Authors: Li Xiaoyan , Wang Qingxian , Yang Lin , Luo Xiangyang
Published: March 2012

For making more scientific and comprehensive quantitative measure on the security of the LAN, the method of measuring the defense performance with attack effect is proposed. Attack targets set whose elements include attack duration, control duration, interference duration, infection rates are proposed. And then based on the index set, a network defense performance model using analytic hierarchy process (AHP) method is presented. Simulation results show that the proposed measurement method and model can better measure the security of network protection systems.
Realization of EOS (Ethernet Over SDH)
Authors: Li Zhengjun , Shen Xiao
Published: March 2012

Nowadays, with the continuous development of the data service, the traditional Synchronous Digital Hierarchy (SDH) Network which adopts Time Division Multiplex (TDM) cannot meet the corresponding requirements. People hope all kinds of information can be put together to transmit in order to save the cost of transmission and network management. So the Multi-Service Transport Platform (MSTP) was put forward. The MSTP is mainly in the SDH line transport mode and has multi-interface, ATM, Ethernet and Voice etc. This paper study two business: managed bandwidth services and Access for IP/VPN Networks.
Farsi/Arabic Document Image Retrieval Through Sub-Letter Shape Coding
Authors: Bahmani Zahra , Azmi Reza
Published: March 2012

In this paper, A Novel method for Recognition free Farsi document retrieval is proposed. In this method, the retrieval is done through recognition of sub-letters and other elements of letters such as dots and some signs like Sarkesh. So at first in pre processing phase, lines and words are extracted using blank space between them. In the next phase, each word is divided to its sub-words. A sub-word is a combination of joint letters. For each sub-word, connectors of sub-letters are removed from the initial body of it and remains are recognized as sub-letters by using of their extracted features. The recognized sub-letters are encoded using a dictionary that has been defined in this system. Finally, the document content is encoded and this code can be used for retrieval of existing words in this document. Experimental results show advantages of this method in the retrieval of Persian printed documents.
A Survey Study on the Status of Informatics on Technology Small and Medium Enterprises (SME) in Guizhou Province of China
Authors: Mao Youbi
Published: March 2012

Many Business Informatics (BI) attempts and developments have been observed over the last decade in Chinese Guizhou province which is relatively delayed in many developments, and especially in the area of business informatics. The purpose of this study is to understand or quantitatively study the level of BI development in small and mid-sized IT-related private enterprises in Guizhou province. Furthermore, the author has chosen to focus on the current status of CRM using DSS in the above-mentioned businesses in the private sector.
A Discussion on the Development of Online College English Teaching Materials
Authors: Fengrong Li , Liwe Ma
Published: March 2012

Although various College English Textbooks can be found and applied in present college English teaching, the limitations of these teaching materials are obvious: they can not satisfy the individualism demands of such a big number of college students in China either in quanty or quality. To meet the requirements of different colleges in their development of their students, colleges should be encouraged to develop their own textbooks to realize the objectives of college English reform: making college English teaching and learning efficient and effective with more input and output, with the guarantee of the diversity in form and structure and content and abundance in amount of the textbooks with the suppliment of unlimited resources of the Internet
Analysis and Application of Steam Path Audit Technology for Large Steam Turbines
Authors: Yang Hai-Sheng , Wu Rui-Tao
Published: March 2012

Turbine deficiency is the key factor influencing the heat rate of the existing power generation units in China. Analysis was made on the factors influencing the turbine steam path efficiency, and the concept of the turbine steam path audit was introduced. Using the turbine steam path technology, quantitative analysis and calculation for the factors influencing the steam turbine efficiency can be made using relevant tool software, which can help the decision making of the key maintenance area during the turbine overhaul. An example was given for one super-critical steam turbine, including the measurement data got during the turbine overhaul and the audit results, and the key maintenance tasks set out based on the steam path audit. It can be concluded that steam path audit technology can play an important role in energy conservation for the existing power plants in China.
Energy and Power Criterion of Intrinsically Safe Circuits for Explosive Atmospheres
Authors: Qinghai Menq
Published: March 2012

Arc discharge time(T) is determined to be in proportion to time constant(1) based on current linear attenuation model for intrinsically safe inductive circuits. It draws conclusions that maximum value of arc power(Pmax) is in proportion to arc energy(Wg) and is inverse to time constant (1).The conflicting fact that greater sparks can not cause gas explosion while the smaller sparks can cause gas explosion is explicated . The arc power criterion of intrinsically safe circuits was established. It argues that the product of maximum value of arc power (Pmax) and time constant (1) has a critical value to assessing the intrinsic safety of circuits.
PWM Speed Control of DC Motor by Temperature Sensor
Authors: Khan R. , Shatil A. S. , Faisal A. A.
Published: March 2012

The principles of PWM using a temperature sensor have been introduced in this paper. To the defects of traditional methods, it proposed the designing strategy of DC motor speed control system based on single chip microcontroller with integrated circuits, and described the overall framework of the system. The system will detect the temperature and send the reading to the microcontroller then it will generate PWM signals to motor control then the motor accelerating, decelerating and turning, its operating parameters can be obtained through the measurement module and displayed on LCD. Experiment proved that the system has high stability, and it can meet the needs of DC motor speed regulation.
Study the Temperature is Generated during Meshing Two Spur Gears
Authors: Elshourbagy Salah A. M.
Published: March 2012

This work is investigated the effect of temperature on the spur gear box. Different parameters are studied to show the effect of temperature on the spur gear. Operating spur gear box without lubrication (Dry) with no load under different speed 3000, 6000 and 9000 rpm, the results are appeared that when we increased the speed the temperature increased. In the test rig we used up jet only, down jet only and up and down jet lubrication in the orthogonal position of two spur gears in mesh to study the effect of temperature of spur gearbox with lubrication under no load, the results are indicated that the using full lubrication up and down jet, the temperature is less than using up jet only and down jet only. When we used up jet lubrication only is less than using down jet lubrication only. The interpretation of decreasing the temperatures when up jet lubrication only regardless to using down jet lubrication only that when we measured the temperature in the points close to up jet only: the reason that cooling time is less than when using down jet only. For more clear to investigate the effect of temperature on the two spur gears in mesh of gear box; research compared between no load and load to declare the effects on the spur gear temperatures. The work appeared that the wear failure is the result for spur gears temperature increased. Results of this work agreed with [1] that the speed of gears increased, the temperature increased. Results close to Thyla et al [2] indicated that temperature of pitch point is higher than the other points on the face width.
Numerical Simulation for Forced Evaporative Cooling System of Generator Stators
Authors: Lu Yu-Kun , Liu Hai-Feng , Zhao Kai , Liu Wei
Published: March 2012

Often included in the enumeration of generator's capacity enlargements are implemented by using additional cooling requirements of winding coils. In present study, numerical simulation on flow dynamics and heat transfer are conducted with Fluent for evaporative cooling technologies introduced in generator stator. The velocity, void fraction, pressure and temperature distribution along the tube are investigated. Boiling heat transfer coefficient with heat flux is discussed. The results provide a reference basis for the optimal design and safe operation of generator stators.
Improving Synthesis of Polycaprolactone by Dibuthynltin Dilaurate Catalyst
Authors: Darbandy Somayeh Mazloom , Bakhtiary Alireza , Jalali Korush
Published: March 2012

In this work, polymerization of polycaprolactone with dibutyltin dilaurate catalyst is studied. Dibutyltin dilaurate is proposed as a suitable catalyst for polymerization of polycaprolactone. Then, the efficiencies of tin(II)2-ethyl hexanoate and dibutyltin dilaurate catalysts are compared. Moreover, The effects of various parameters such as temperature, time, the mole ratio of monomer to initiator, and the mole ratio of monomer to catalyst on the molecular weight and the percentage of conversion of polymer are studied. Consequently, it is found that laurate catalyst needs a short time for polymerization reaction and causes the molecular weight (Mw) of the polymer to increase. Besides, dibutyltin dilaurate catalyst exhibits a little sensitivity to the changes of reaction conditions.
A New Voltage SAG Detection Algorithm for Dynamic Voltage Restore
Authors: Chen Wei , Jun Xiao , Wang Weizhou
Published: March 2012

Conventional DQ transformation method and the PLL technology can detect the amplitude and phase of voltage sag accurately, but the method is only applicable to the case of symmetrical three phase voltage. When three phase voltage unbalance, there is a certain bias in the results by use of this detection method. A new detection method of improved PLL based on dual DQ decoupling transformation is proposed in this paper, it removed the coupling relationship of output voltages by setting the positive and negative sequence voltages reference, so this method can accurately detect the amplitude and phase information of the voltage sag, simulation results validates the proposed method is effective and feasible.
The Application of Traditional Chinese Graphics in the Modern Logos
Authors: Xia Mu
Published: March 2012

Once the traditional Chinese graphics are mentioned, it is natural for Chinese people to think of the essence of the traditional Chinese graphics which are the decoration patterns on the potteries and porcelains, jade articles, bronze ware, lacquer ware, tile carving, wood carving, gold and silver ware and wall painting, etc. These graphics possess the unique characteristics not only in China and also in the cultural history of the world, and have their own systems naturally. Besides, they are the symbol and pride of the traditional Chinese culture beyond all doubts. The traditional Chinese graphics were refined and developed by the previous skillful craftsmen from the natural life, and are able to mirror the high-quality artistic works from the palaces to the folk world. In addition, their national meanings, decorative patterns modeling, aesthetic principles, picture compositions, colors and others are the indispensable artistic cultivation lessons. In this paper, the author mainly gives a discussion about the application of the traditional Chinese graphics in the modern logo designs. Therefore, this paper is of practical and guiding significance to some extent.
Architecture and QoS Scheme of Home Network for Network Convergence
Authors: Yan Yongye
Published: March 2012

To shield the heterogeneity of home network for network convergence, it is important to provide architecture and QoS scheme of home network. We propose the universal network convergence architecture based on home gateway, to support interconnection between home network and external network. And we propose the dynamic QoS policy generation to shield heterogeneity of home network.
Study on T-Hydrofoil of Trimaran Based on Numerical Simulation
Authors: Li Xiaowen , Zhuang Lin , Guo Zhiqun , Li Ping
Published: March 2012

Based on Computational Fluid Dynamics (CFD) technique, the numerical simulation of T-hydrofoil was studied. The flow around the 2D hydrofoil was simulated by the modified RNG k-1 two-equation turbulence model. The lift coefficient, drag coefficient, lift-drag ratio and pitching moment coefficient of common hydrofoil and hydroflap on different working conditions were calculated and compared with experimental values after comprehensive analysis. The variation law of hydrodynamic coefficients with attack angle and flap angle were concluded by computing results, which provided basis in the application of trimaran.
Analysis of Malicious Applications for Symbian Smartphones
Authors: Song Zheng , Jin Bo , Lin Jiuchuan , Zhang Ying
Published: March 2012

This paper presents the general methods of malware analysis on Symbian smartphone platform. The technical analysis undergoes in three phases: unpack the installation file, reverse engineering statically and trace dynamically (debugging). This paper gives a case study of a sample in the wild to prove the correctness and convenience of presented methods. It summarizes the behaviors of malware observed in our investigation. The result shows our methods for analysis is suitable and practical currently. The methods we presented have been used in real cases in forensic practice.
Reverse Supply Chain Management: A Brief Outline
Authors: Mall Sunita , Dabas Yashdeep
Published: March 2012

Reverse logistics has been brought to the forefront of corporate agenda not only due to environmental concerns and the recent environmental regulations, but also because of its profound financial ramifications. Depending on the specific strategy that each enterprise follows, reverse logistics may constitute a profit center. The importance of reverse logistics to the overall profitability of manufacturers and brand owners is steadily increasing as companies learn how to better decrease returns and extract value from returned parts. Closed-loop supply-chain channels are distribution systems that include activities supporting both the forward flow of goods from the manufacturer to the consumer as well as the reverse flow from the consumer to the manufacturer. In this paper, we identify the reverse logistics supply-chain channels, identify problems that companies face when they handle product returns along these channels and present the critical role that information technology and collaboration can play to mitigate many of the problems and deficiencies. It is imperative that firms operating in the reverse supply-chain channels collaborate to integrate and share information in a timely fashion. In this paper we discussed on the benefits, issues of reverse supply chain management and also focus on the impact of IT on reverse supply chain management.
Ahybrid Differential Evolution Algorithm with Variable Neighborhood Search for a Bi-Objective Parallel Machine Scheduling Problem
Authors: Jafari A. , Chiniforooshan P. , Sanaati M.
Published: March 2012

In this paper, we propose a novel two-phase hybrid differential evolution (DE) algorithm with a variable neighborhood search method in order to enhance the exploitation ability of the algorithm. The algorithm is developed to solve a new NP-hard bi-objective parallel machine scheduling problem with earliness-tardiness and workload balancing as two objective functions. Due to the priority of the former, this paper attempts to apply a hierarchical approach for DE. Because of the discrete nature of scheduling problems, a random-key solution representation is used to encode solutions. The solutions provided by the proposed algorithm for 200 test problems with various sizes, outperform one of the state-of-the-art evolutionary algorithm, the two-phase genetic algorithm.
An Outline / Structure of Software Engineering Group Project
Authors: Wang Su-Hua , Chen Dengjie , Samadhiya Durgesh
Published: March 2012

Computers have become an essential part of our lives. We use computer controlled equipment or computer software to complete our tasks easily. Computer can be divided into two parts. The first part, computer hardware, does the physical work while second part, computer software, tells the hardware what to do and how to do it. If you were to think of a computer as a living being, then the hardware would be the body that does things like seeing with eyes, lifting objects, and filling the lungs with air; the software would be the intelligence, interpreting the images that come through the eyes, telling the arms how to lift objects, and forcing the body to fill the lungs with air. Computer software or software is the collection of computer programs and related data that provide the instructions telling a computer what to do. Computer programmer using a computer programming language or coding and generate the computer software according to user requirement.
Clustering Microarray Gene Expression Data Using Fuzzy C-means and DTW Distance
Authors: Taghizad H. , Mehridehnavi A.
Published: March 2012

Clustering analysis of data from DNA microarray hybridization studies is essential for identifying biologically relevant groups of genes. Partitional clustering methods such as K-means or self-organizing maps assign each gene to a single cluster. However, these methods do not provide information about the influence of a given gene for the overall shape of clusters. Here we apply a fuzzy partitioning method, Fuzzy C-means (FCM), to attribute cluster membership values to genes.Gene expressions are expected to vary not only in terms of expression amplitudes, but also in terms of time progression since biological processes may unfold with different rates in response to different experimental conditions or within different organisms and individuals. Any distance (Euclidean, Manhattan, 1Â¦) which aligns the i'th point on one expression with the i'th point on the other will produce a poor similarity score. In this paper we use DTW distance to attain expression's similarity.
BP Nural Network Optimization in Speech Recognition
Authors: Bing-De Cui
Published: March 2012

The speech signal is a complicated function influenced by factors such as the speaker, environment, etc. The artificial neural network (ANN) model carries on speech recognition with characteristics such as self-adaptation self-organization and self-imagination, suitable for speech recognition. This paper mainly studies the improvement scheme of traditional BP neural network in speech recognition. By making use of the scheme after improving, it can simplify network structure, accelerate operation, and shorten the training time.
Roller Press System with a Novel Fuzzy Control Logic
Authors: Lijun Huang , Shu Jin , Demei Bao
Published: March 2012

Based on the fuzzy control theory, this paper designs the roller press fuzzy control system through the analysis on Expert control experience and operator's operating. And then automatic system could be designed, which was used by industrial DCS system.
Panch

1Â¼Vaktram (A Web Browser with a Spoof Guard Technology)
Authors: Shrivastava Manish , Sinha Ranbir , Shukla Bhawana
Published: March 2012

Web spoofing is a serious problem involving fraudulent e-mail and web sites that trick unsuspecting users into revealing private information. Phishing has increased enormously over the last years and is a serious threat to global security and economy. There are a number of possible countermeasures to phishing. These range from communication-oriented approaches like authentication protocols over blacklisting to content-based filtering approaches. Each month, more attacks are launched with the aim of making web users believe that they are communicating with a trusted entity for the purpose of stealing account information, logon credentials, and identity information in general. We hereby discuss the aspects of web spoofing and its unique solution: ‘Panch1Â¼Vaktram’ which is a web browser with a spoof guard technology that provides a security guard to the users working online.
Human over IP: A Vesion 6 Based Global Identification System for Humans
Authors: Ijaz Qaiser , Husnain Anees Ul , Ashraf Aqsa , Amin Asjad , Khan Shumaila , Ejaz Waheed
Published: March 2012

Human over IP (HoIP) is a prototype implementation of a revolutionary idea of using IP as Human Identification globally, which will not only keep the individuality but will also govern all the communication. This paper not only represents the idea but also elaborate the successfully implemented model. HoIP gives the concept of one IP one human. It provides state organizations with some special privileges so that they can perform efficiently. The system gives the concept of Central Unique Database, and then providing different departments with the only information needed. So the different level of information has been introduced to provide the organizations with the data of their need only, nothing more or less. For security point of view, the data for every part is stored in encrypted form and decryption is performed while retrieving the data from server. Along with the encryption every part is password protected. Administrative unit is the power control of the system. This unit can modify the privileges of any HoIP Licensee such as 1ÂœDisable all privileges1Â, 1ÂœEnable all privileges1Â and to disable or enable some part. The reason for selecting IPv6 is not only to increase the efficiency but the numbers also as its pool is enough to cover the world population. The idea holds potential to leapfrog all the current human identification databases. Applications of this philosophy are beyond our imagination.
Mri Image Segmentation Based on FCM Clustering Using an Adaptive Threshold Algorithm
Authors: Saikumar Tara. , Anoop B. K. , Harshavardhan V. , Shahbazkhan MD.
Published: March 2012

Using thresholding method to segment an image, a fixed threshold is not suitable if the background is rough Here, we propose a new adaptive thresholding method using FCM. The method requires only one parameter to be selected and the adaptive threshold surface can be found automatically from the original image.An adaptive thresholding scheme using adaptive tracking and morphological filtering. FCM algorithm computes the fuzzy membership values for each pixel. Our method is good for detecting large and small images concurrently. It is also efficient to denoise and enhance the responses of images with low local contrast can be detected. The efficiency and accuracy of the algorithm is demonstrated by the experiments on the MR brain images.
Modeling of K Distribution Radar Clutter
Authors: Yan Hu
Published: March 2012

In order to solve the modeling problems of radar simulation. Started with the character of clutter, proposed the feasible plan to produces the clutter with specific frequency spectrum, its modeling and simulation was achieved through zero memory nonlinearity, the detailed steps for modeling the radar clutter with K Distribution is presented. The simulation program designed with Visual C++ was able to realize two things: one was that input the clutter parameter and output corresponding clutter sequences; the other was checking the distribution and correlated characteristic. Finally, it analysed the simulation result and points out the attention matters in the modeling process. The result of experiment shows that the method is precise, rapid and feasible.
A Survey on Wireless Local Area Network Security and Its Weakness
Authors: Razeghi Seyed Mohammad , Ravandi Babak , Shahmoradi Reza , Rafiee Saleh
Published: March 2012

Wireless networks have been around for many years. satellite TV, remotecontrol services, radar, alarm systems and weather radios are collected to our everyday life. Nowadays wireless networks are playing increasingly important role in business and personal life. Wireless LANs are suitable for companies because there are no needs wired cables and fixed location. However, the wireless LANs are always in danger more than wired ones because the signals are broadcasted all around. In this paper, we describe the architecture of WLAN, security and its weakness. In addition, some solutions for security weakness are listed in this paper.
An Optimized Pipeline FFT Processor Based on FPGA
Authors: Nhan Ngo Thanh , Danh Tran Cong , Lung Vu Duc , Duong Nguyen The Dai
Published: March 2012

How to design and optimize a pipeline FFT Processor based on FPGA is presented. The architecture of FFT core is based on a new approach [1] using pipeline technique to increase the performance of the design. Following that, Radix-22 algorithm is chosen to implement the FFT processor. Some necessary techniques are mentioned. This is just the straightforward adjustment; however it improves the frequency, performance and saves resources considerably for the design.
RapidArc patient specific mechanical delivery accuracy under extreme mechanical limits using linac log files
Authors: Wijesooriya Krishni , Aliotta Eric , Benedict Stanley , Read Paul , Rich Tyvin , Larner James
Published: March 2012

Purpose:

To assess the accuracy of RapidArc (RA) delivery for treatment machine operation near allowable mechanical limits in dynamic multileaf collimator (DMLC) leaf velocities, gantry speeds, and dose rates.

Methods:

Thirty RA patient plans were created for treatment of lung, gastrointestinal, and head and neck cancers on a Trilogy unit. For each patient, three RA plans were generated; one with medium MLC velocities, highest gantry speeds, and dose rates (case A); one with maximal allowable MLC leaf velocities (case B); and one with lowest gantry speeds (case C). Combinations of dose rates (140–600 MU/min), gantry speeds (2–5.4°/s), and DMLC leaf velocities (1.3–2.4 cm/s) were utilized to test the RapidArc delivery accuracy. Linac delivery log files were acquired after delivery of each plan. In‐house developed software was used to read in the original RapidArc DICOM plan and update the plan to reflect the delivered plan by using the leaf position (L), gantry position (G), and MU dose values (D) extracted from the linac log files. This modified DICOM RT plan was imported back to ECLIPSE and the delivered 3D dose map recomputed. Finally, the planned and delivered 3D isodose maps were compared under three criteria to evaluate the dosimetric differences: maximum percentage dose difference, 3D gamma analysis criteria for 3%/3mm DTA, number of dose voxels having a dose difference that is greater than 1%, 2%, or 3% of the maximum dose, and their respective percentages.

Results:

For the three cases indicated above, MLC leaf position discrepancies between planned and delivered values are 0.8 ± 0.2, 1.2 ± 0.2, and 0.8 ± 0.2 mm; the maximum gantry position discrepancies are 0.9° ± 0.2°, 0.9° ± 0.2°, and 0.6° ± 0.1°, and the maximum differences in delivered MU per control point are 0.2 ± 0.1, 0.2 ± 0.1, and 0.04 ± 0.01, respectively. Maximum percentage dose difference observed is 6.7%, for a case where 1 cm MLC leaves were used with high MLC leaf velocity. Maximum number (percentage) of dose voxels having a dose difference that is greater than 1%, 2%, and 3% of the maximum dose were 4761 (0.35%), 897 (0.07%), and 188 (0.01%). This also corresponds to the plan utilizing the most number of 1 cm MLC leaves. The 3D Gamma factor acceptance rates are better than 99%.

Conclusions:

This work shows that the accuracy of RapidArc delivery holds across the full range of gantry speeds, leaf velocities, and dose rates with small dosimetric uncertainties for 0.5 cm MLC leaves. However, caution should be exercised when using large MLC leaves in RapidArc. A novel technique to obtain the delivered 3D dose distributions using machine log files is also presented.
Preferred and actual place of death for patients referred to a specialist palliative care service
Authors: Arnold Liz , Finucane Anne , Mullin Jenny , Oxenham David
Published: March 2012

Introduction

The Department of Health's End of Life Strategy promotes high quality care for people approaching the end of life, including supporting patients to die in the place of their choice. Surveys suggest that the majority of the general population would choose to die at home. The authors present data on preferred place of death (PPD) for 1127 patients in contact with specialist palliative care services over a two year period. The authors examine whether preferences of hospice patients differ from those of the general population and whether documenting PPD relates to actual PPD. Methods: PPD data were collected prospectively as part of standard care for all patients referred to Marie Curie Hospice, Edinburgh. Case notes were reviewed retrospectively.

Results

77% of patients expressed a PPD. 60% chose hospice and 37% chose home; only 3% chose hospital or care home. 85% of patients died in their PPD. The proportion of patients who died in their PPD was higher for those wishing to die at the hospice (93%) compared to those wishing to die at home (72%). 17% of patients who did not express a preference died in hospital, compared to 6% of those with a documented place of death.