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ICOMC: Invocation Complexity Of Multi-Language Clients for Classified Web Services and its Impact on Large Scale SOA Applications

ICOMC: Invocation Complexity Of Multi-Language Clients for C...

引用

IEEE international conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT)

作者： Xiaoyi Lu Yongqiang Zou Fei Xiong Jian Lin Li Zha Institute of Computing Technology Chinese Academy and Sciences Beijing China

Theoretically, multi-language clients invocating web services is no longer a problem due to XML-based interface descriptions by WSDL, but the reality is not so good. Some implementation level difficulties still exist when invoking web services from clients in different programming languages. These difficulties are caused by involving complex data structures in the service interface, carrying additional information such as WS-security headers in the SOAP messages, missing language features such as Reflection in C/C++ and so on, which make large scale multi-language SOA application development a time-consuming and buggy work. This paper proposes a new complexity ICOMC, short for Invocation Complexity Of Multi-language Clients, to quantify these difficulties, introduces implementation cost and runtime performance metrics for ICOMC, and indentifies three factors dominating the ICOMC: service interface, message context, and language feature. Consequently, the problem is formulated as finding out the correlation of the three factors to ICOMC. To simplify the problem, web services are classified into four categories: SISM, SICM, CISM and CICM according to service interface complexity and message context complexity. Furthermore, micro-benchmark experiments are done in C/C++/Java for all four categories. This paper also takes the GOS System Software of the China National Grid as a real large scale application to implement its C/C++ client APIs and compare them with the original Java APIs. Evaluations based on micro-benchmarks and real application show the correlations between the factors and ICOMC. Our results benefit web service interface designing, appropriate language adoption, and implementation cost / runtime performance estimation.

关键词： Web services Large-scale systems Service oriented architecture Costs Runtime Context-aware services Java Application software computer languages Data structures

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Industrial Talk

Industrial Talk

引用

international conference of Soft Computing and Pattern Recognition (SOCPAR)

作者： D. Slezak Infobright Inc. Canada

Multi-level approaches become widely applicable to complex tasks of data analysis, wherein complexity may refer to what we try to learn from data, to technical details that prevent users from understanding data mining algorithms, or to data volumes that are too large to keep using standard algorithms. Levels (or layers) can be understood in various ways, as in artificial neural networks, ensembles of classifiers, granular computing, layered learning, et cetera. In this talk, we attempt to categorize the meanings of levels in data mining and processing approaches. Then we focus on two examples: (1) execution of basic database operations that stop being basic for terabytes of data, and (2) extraction of data dependencies in a way that is clear to the users and, in the same time, remains useful while constructing classifiers. The first example relates to the database technology developed by Infobright, where SQL queries can be executed over large data volumes stored on a standard machine, and with a need of neither advanced database tuning nor administration. Performance is achieved using a two-level model of data storage and processing, wherein, at the higher layer, we operate with rough rows, each corresponding to a set of 2 ? 16 of original rows. Rough rows are automatically labelled with compact information related to the values of corresponding rows. This way, we create a new information system, where objects correspond to rough rows and attributes to various types of compact information. Data operations are supported at such a rough level, with an access to original rows still possible whenever compact information turns out insufficient to continue query execution. We implement a number of algorithms that use compact information to minimize and optimize an access to original data stored in a compressed form on disk. The second example relates to a two-level methodology for extracting multi-attribute dependencies approximately holding in data, wherein the higher l

关键词： Data mining Databases Data analysis Artificial neural networks computer networks Standards development Memory Information systems Rough sets Fuzzy sets

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A WIRELESS VIDEO TRANSMISSION SYSTEM USING RCPT/FEC

A WIRELESS VIDEO TRANSMISSION SYSTEM USING RCPT/FEC

引用

2009 2nd IEEE international conference on Broadband Network & Multimedia technology（IC-BNMT2009）

作者： Duan Dagao,Han Zhongming,Li Wenzheng School of computer and Information Engineering Beijing technology and Business University,Beijing 100048,China

The real-time delivery of video data over wireless is a big challenge due to the unreliable and dynamic characteristics of wireless networks,limited bandwidth and high QoS requirements for multimedia *** to features of wireless channels,this paper proposes a robust scheme using Rate Compatible Punctured Turbo (RCPT) codes and Forward Error Correction (FEC) parity codes for video stream distribution in wireless access *** the scheme,the rate of video data is adjusted based on statistics of Packet Loss Ratio (PLR) and Bit Error Ratio (BER).The RTCP feedback information to the sending end which carries bit error ratio,network packet loss ratio and transmission delay,is used to adjust the RCPT codes and FEC parity *** the same time the packet video data is packed into the different *** experiment shows that this scheme can provide more satisfied video playback quality in 3G wireless networks with different bit error ratio and packet loss ratio,and also can improve overall network utilization efficiency.

关键词： wireless video transmission RCPT FEC error resilience channel coding

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A Human DNA Methylation Site Predictor Based on SVM

A Human DNA Methylation Site Predictor Based on SVM

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IEEE Symposium on Bioinformatics and Bioengineering (BIBE)

作者： Yi-Ming Sun Wei-Li Liao Hsien-Da Huang Baw-Jhiune Liu Cheng-Wei Chang Jorng-Tzong Horng Li-Ching Wu Department of Computer Science and Information Engineering National Central University Jhongli Taiwan Department of Computer Science and Information Engineering Yuan-Ze University Jhongli Taiwan Department of Information Management Hsing Wu College Taipei Taiwan Department of Biological Science & Technology Institute of Bioinformatics and Systems Biology National Chiao Tung University Hsinchu Taiwan Department of Bioinformatics Asia University Wufeng Taiwan Graduate Institute of System Biology and Bioinformatics National Central University Jhongli Taiwan

During gene expression, transcription factors are unable to bind to a transcription binding site (TFBS) involved in regulation if DNA methylation has occurred at the TFBS. Methyl-CpG-binding proteins may also occupy the TFBS and prevent the functioning of a transcription factor. Thus, the methylation status of CpG sites is an important issue when trying to understand gene regulation and shows strong correlation with the TFBS involved. In addition, CpG islands would seem to undergo cell-specific and tissue-specific methylation. Such differential methylation is presented at numerous genetic loci that are essential for development. Current DNA methylation site prediction tools need to be improved so that they include TFBS features and have greater accuracy in terms of the DNA region that is involved in methylation. We developed models that compare the differences across these regions and tissues. The TFBSs, DNA properties and DNA distribution were used as features for this classification. From the results, we found some TFBSs that were able to discriminate whether a sequence was methylated or not. The sensitivity, specificity and accuracy estimated using 10-fold cross validation were 90.8%, 80.54%, and 86.07%, respectively. Thus, for these four regions and twelve tissues, the performance levels (ACC) were all greater than 80%. We propose that the differential features or methylations vary between the different regions because the features common to each DNA region made up only 50% of the top 70 features. An online predictor based on EpiMeP is available at http://140.115.51.41/EpiMeP/. Supplementary file is available at http://140.115.51.41/EpiMeP/***.

关键词： Humans DNA Support vector machines Bioinformatics Proteins computer science Predictive models Systems biology Gene expression Genetics

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EFFICIENT DATA HARVESTING IN MOBILE SENSOR NETWORKS

EFFICIENT DATA HARVESTING IN MOBILE SENSOR NETWORKS

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2009 IEEE international conference on Communication technology and Applications（ICCTA2009）

作者： Yongping Xiong~(1,2),Jianwei Niu~3,Jian Ma~4 1Institute of Computing technology,Chinese Academy of Sciences,Beijing 100080,China 2Graduate University of the Chinese Academy of Sciences,Beijing 100039,China) 3School of computer Science and Engineering,Beihang University,Beijing 100191,China 4 Nokia Research Center,Beijing 100176,China

Sensors are now attached to a lot of mobile objects such as animals and vehicles to collect data. This forms intermittently connected mobile sensor network due to weak communication power and nodal mobility,in which conventional routing protocols in wireless sensor network don't *** this paper,we propose a data harvesting scheme for intermittently connected mobile sensor *** approach takes fully advantage of storage resource and mobility pattern knowledge to improve the delivery ratio while minimizing the transmission overhead. We evaluate the perfonnance of the approach through the OMNet++ simulator with the realistic mobility *** simulation results show that the proposed scheme achieves high delivery ratio while controlling the transmission ***, the robust approach can be adaptive to the dynamic topology of network.

关键词： data harvesting mobile sensor network DTN

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THE development MODEL ELECTRONIC COMMERCE OF REGIONAL AGRICULTURE

THE DEVELOPMENT MODEL ELECTRONIC COMMERCE OF REGIONAL AGRICU...

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亚洲精细农业与计算机农业应用联合大会

作者： Jun Kun , Lecai Cai, Hongchan Li Institute of computer Application, Sichuan University of Science and Engineering, Zigong Sichuan, P. R. China 643000

With the developing of the agricultural information, it is inevitable trend of the development of agricultural electronic commercial affairs. On the basis of existing study on the development application model of e-commerce, combined with the character of the agricultural information, compared with the developing model from the theory and reality, a new development model electronic commerce of regional agriculture base on the government is put up, and such key issues as problems of the security applications, payment mode, sharing mechanisms, and legal protection are analyzed, etc. The among coordination mechanism of the region is discussed on, it is significance for regulating the development of agricultural e-commerce and promoting the regional economical development.

关键词： regional agricultural information agricultural e-commerce development model

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A New Distributed Intrusion Detection Model Based on Immune Mobile Agent

A New Distributed Intrusion Detection Model Based on Immune ...

引用

2009 Asia-Pacific conference on Information Processing

作者： Jing Xu College of Information Engineering Yancheng Institute of technology Yancheng, ChinaYongzhong Li School of computer Science& Engineering Jiangsu University of Science and technology Zhenjiang, China

The development direction of intrusion detection system is intelligent and distributed in future. However, cur-rent distributed intrusion detection system mostly uses distri-buted component to collect data then sent to processing center. Data is analyzed in the processing center. These models have the following problems: bad real time capability, bottleneck, and single point of failure. In order to overcome these short-comings of current intrusion detection techniques, a new dis-tributed intrusion detection model based on mobile agent is proposed in this paper. Intelligent and mobile characteristics of the agent are used to make computing move to data. As mobile agent can only improve the structure of system and can not supply fundamental new detecting techniques, improved dynamic clonal selection algorithm and collaborative signal mechanism are adopted for reducing false positive rate and increasing detection rate in this paper. Finally, the proposed model and algorithm were simulated by KDD'99 datasets. Comparing with winning entry of KDD'99 classifier learning contest, the proposed model has low false positive rate and higher detection rate in both Dos and Probing attacks, and greatly higher detection rate in U2R attack. Robustness and dynamic adaptability of the system are validated.

关键词： mobile agent dynamic clonal selection intrusion detection system

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Simulation Resource Selection based on Local Optimization Method in Distributed Simulation Repository

Simulation Resource Selection based on Local Optimization Me...

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2009 IEEE the 16th international conference on Industrial Engineering and Engineering Management

作者： Bo Yan 1 ,Zijiang Yang 2 1 Department of computer Science&Engineering,Beijing Institute of technology,Beijing,China2School of Information technology,York University,Toronto,Canada,M3J 1P3

With the development of simulation applications, the Distributed Simulation Resource Repository (DSRR) could manage all kinds of distributed simulation resources and provide transparent access, search, and browsing for users. In recent years, more and more research focus on the construction of DSRR, which includes metadata, dataset, algorithm, model, toolkit, and etc. However, when more and more resources are added into DSRR, users get many same or similar resource result sets in DSRR by semantic searching. Numerous time has been spent on selecting simulation resources from the result sets. According to the features of simulation resources, we setup 5 quality criteria which are the resource price, download speed, the reputation of source, the availability and whether the resource has been accessed. Then the Local Optimization method is applied to get the quality score of each resource. These resources in result set are assorted again by quality score to help user select suitable resource and access it. This method is accomplished by LDAP server and J2EE JNDI interface. The selection time can be reduced by this method.

关键词： Simulation Resource,Qos,Service Selection, LDAP

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Achieving Test Program Set transportability through interface design

Achieving Test Program Set transportability through interfac...

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international Automatic Testing conference, AUTOTESTCON

作者： Joseph E. Eckersley William Larry” Adams US Air Force Robins GA USA 742 Combat Sustainment Group U. S. Air Force Robins AFB GA

For decades, the automatic test community has worked to develop hardware standardization and interface protocols that aid in mitigating the impact of equipment obsolescence on the repair and maintenance mission. The traditional view of Test Program Set (TPS) transportability in this environment has always been one of migrating a legacy TPS to a new hardware architecture design born out of a need to replace aging technology or provide new test capability. The Department of Defense (DoD) has recognized the benefit of standardizing automatic test systems (ATS) through policy guidance whose intent is to drive the services to a common configuration test environment, thereby reducing life cycle sustainment costs for all DoD systems. Today, hardware standardization has advanced to the point that many ATS look and function very similar to one another. However, there are two major hurdles that continuously thwart our efforts to develop a standard core test system, the lack of a standard UUT interface and the lack of an open architecture software design that facilitates operations in any environment and on any test system architecture. Automatic Test Markup Language (ATML) provides promise with regards to the development of standardized test software interfaces. Developing a standard hardware configuration for all test requirements is ultimately achievable with the technology currently available today except for one simple but hugely significant hurdle, the cost involved in re-hosting the myriad of test program sets currently in existence. Therefore, any significant advance in common interface design has to take into account the need to minimize the impact to existing test program sets. This paper will seek to explore the various technological possibilities for overcoming the barriers to true TPS transportability that exist in today's automatic test community.

关键词： Automatic testing Hardware System testing Software testing Standards development Standardization Life testing Costs Software standards computer architecture

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A New Decision Tree Algorithm Based on Rough Set Theory

A New Decision Tree Algorithm Based on Rough Set Theory

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2009 Asia-Pacific conference on Information Processing

作者： Baoshi Ding, Yongqing Zheng, Shaoyu Zang Department of computer Science and technology, Shandong University, Jinan, China

Decision tree algorithm has been widely used to classify numeric and categorical attributes. Lots of approaches were suggested in order to induce decision trees. ID3 (Quinlan, 1986), as a heuristic algorithm, is very classic and popular in the induction of decision trees. The key of ID3 is to choose information gain as the standard for testing attributes. In this paper, we propose a novel measure based on rough set theory to select attributes that will best split current samples into individual classes. In the view of rough set theory, we analyze the shortcomings of ID3 algorithm and rationality of the new approach, and then propose a fixed algorithm based on original idea. The results of example and experiments show that our approach is better in selecting nodes for inducing decision trees than ID3.

关键词： Rough Sets Classification Information Gain

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