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检索条件"任意字段=2010 3rd IEEE International Conference on Computer Science and Information Technology—ICCSIT 2010"

共 5216 条记录，以下是181-190 订阅

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Ontology based knowledge representation and semantic profiling in personalized semantic social networking framework

Ontology based knowledge representation and semantic profili...

引用

2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Shoaib, Muhammad Basharat, Amna Department of Computer Science National University of Computer and Emerging Sciences Islamabad 44000 Pakistan

ISBN: (纸本)9781424455386

Despite many serious research efforts, personalization in social web is still a challenge. Existing techniques for social networking rely on state of the art Database and Web 2.0 techniques, that don't allow data representation seminally. In this paper we have proposed a method for improving presentation in social web by ontology based knowledge representation that enables semantic profiling in social networking sites. Our ontology bootstraps on mixture of existing semantic web vocabularies involving FOAF, DC and SIOC. Furthermore we have also explained an ontology based architrave for a semantic social networking site. Initially we have selected Academia and Researchers domain for melding ontology. © 2010 ieee.

关键词： Knowledge representation

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information Retrieval using Fuzzy c-means Clustering and Modified Vector Space Model

Information Retrieval using Fuzzy c-means Clustering and Mod...

引用

3rd ieee international conference on computer science and information technology (iccsit)

作者： Chowdhury, Chandrani Ray Bhuyan, Prachet KIIT Univ Sch Comp Engn Bhubaneswar Orissa India

ISBN: (纸本)9781424455379

This paper presents a method to improve the performance of information Retrieval System (IRS) by increasing the no of relevant documents retrieved. There are several types of uncertainty and fuzziness associated with IRS like search term uncertainty, relevance uncertainty involved in retrieving of irrelevant documents. The aim of this paper is to eliminate different types of uncertainty and increase the chance of retrieving relevant documents. In the framework a method is proposed which first calculate query and document cluster similarity which not only retrieve the documents matching query terms as well as similar to retrieved documents by calculating the query and cluster similarity. This helps to reduce search term uncertainty and tries to reduce the fuzziness associated with document relevance in two steps. First modification is made in general term frequency-inverse document frequency (tf-idf) scoring mechanism to give importance of informativeness of a document contents and secondly calculating query and document summary overlap. All the above information is used to measure the document relevant score. Finally retrieved documents are filtered by Pearson correlation coefficient between query vector and document vector to find out only those documents correlated with query. In experiment standard NPL test collection prepared by Vaswani and Cameron at the National Physical Laboratory in England was used. After full implementation of above methodology it was found that proposed work is better in comparison with existing methods.

关键词： information Retrieval Clustering Fuzzy c-means Document cluster Document summary document frequency Correlation ratio

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Improved Watershed Segmentation with Optimal Scale Based on Ordered Dither Halftone and Mutual information

Improved Watershed Segmentation with Optimal Scale Based on ...

引用

3rd ieee international conference on computer science and information technology (iccsit)

作者： Li, Gang Wan, Youchuan Wuhan Univ Sch Remote Sensing & Informat Engn Wuhan Peoples R China

ISBN: (纸本)9781424455379

considering traditional watershed segmentation has a serious over-segmentation problem and marker-based watershed segmentation has a great difficulty in marker extraction, we proposed the improved watershed segmentation with optimal scale based on ordered dither halftone and mutual information. We made some improvements on marker-based watershed segmentation. Firstly, according to vision characteristics of human eye, we proposed a new marker extraction method based on ordered dither halftone. By using Bayer ordered dither algorithm, we obtained the dithering image of original image, which contained most of structure information without the disturbance of noises, and extracted representative points as markers effectively. Secondly, we designed a new index based on mutual information to decide the optimal scale of image segmentation, which we called the relative mutual information entropy index(RMIE), and used it to decide optimal segmentation scale from multi-scale segmentation results. We make a conclusion that the segmentation result with optimal scale has the greatest RMIE, compared with all other segmentation results. From the experiment results, the proposed method can produce optimal scale segmentation result with meaningful, separate and homogeneous regions, which satisfies the human eye.

关键词： watershed segmentation ordered dither halftone mutual information optimal scale marker extraction

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Media Independent Handover for Seamless Mobility in ieee 802.11 and UMTS based on ieee 802.21

Media Independent Handover for Seamless Mobility in IEEE 802...

引用

3rd ieee international conference on computer science and information technology (iccsit)

作者： Kumar, Vimal Tyagi, Neeraj Motilal Nehru Natl Inst Technol Dept Comp Sci & Engn Allahabad 211004 Uttar Pradesh India

ISBN: (纸本)9781424455379

Multiple types of networks are evolving with different radio technologies (RATs) which are having different capabilities, price and performance ratio. When these networks are collocated with each other and when mobile devices roam around across these networks, a heterogeneous network access is formed. Each mobile device is equipped with multiple interfaces to access all types of networks of heterogeneous system. Multiple interfaces can be included in the mobile device by using separate hardware and software modules. The mobile user always wanted to be Always Best Connected (ABC) as per its requirements and availability in a given scenario. When the mobile user leaves and joins the networks, a handover operation is performed. The Handover operation is used to achieve seamless mobility. Handover operation is of two types, one is in between the same RAT and the other is in between the different RAT. For seamless and smooth handover operations across heterogeneous networks, ieee has defined a standard named as ieee 802. 21. This paper presents a novel vertical handover scheme applicable for ieee 802.11 (WLAN) and Universal Mobile Telecommunication System (UMTS) based on ieee 802.21. UMTS is a 3GPP (Third Generation Partnership Project) technology, which is being used in cellular networks. WLAN is a LAN technology which supports smaller coverage area than the cellular networks. Vertical handover between these two is needed because they have different RAT.

关键词： RAT Heterogeneous Networks ABC ieee 802.21 MIHF Handover WLAN UMTS 3GPP

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The research of interaction management based on the IPv6 wireless mobile terminals

The research of interaction management based on the IPv6 wir...

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2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Yanchun, Ma North China Institute of Science and Technology Yanjiao Beijing-East China

ISBN: (纸本)9781424455386

The packer switching service of the third-generation mobile communication network (3G) has provide a broader range of services, while wireless local area network (WLAN) has a faster speed in information transmission, thus making these two complementary functionally. However, with the improvement of technology and increasing of mobile users, it has a significant impact on network communication when switching the networks which result in handover latency, although the different networks allow mobile users roaming between different IP networks;furthermore, it will lead to care-of-address of mobile users error caused by the failure of agent information return if the users move too fast. This thesis basically studies on mobile terminals in the WLAN and 3GPP, two different networks using a wireless IPv6, aiming at proposing a switch management system to reduce switching delay and position error. © 2010 ieee.

关键词： Mobile telecommunication systems

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information technology application in tax return declaration and its effect on service quality and customer satisfaction in Markazi Province's Taxation Organization, Iran

Information technology application in tax return declaration...

引用

2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Javanmard, Habibollah Nezamabadi, Elmira Mashayekhi Taheri, Davood Arak Branch Islamic Azad Universitey Iran Markazi Province's Taxation Organization Iran

ISBN: (纸本)9781424455386

The present research aims is examining the Internet application as a new tool for tax collection and its related services and also it explores satisfaction degree of tax payers .The field study has been undertaken in data collection, standard questionnaires with 0.94 reliability have been distributed among tax payers (firms) in Markazi province of Iran and after their gathering, the structural equation model by LISREL software has been used in statistical analysis. The research results show that the first hypothesis saying that online tax return convenience causes higher satisfaction among tax payers is not supported and other four hypotheses are supported. © 2010 ieee.

关键词： Customer satisfaction

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A Quasi Quantum Secure Direct Communication Protocol with Authentication

A Quasi Quantum Secure Direct Communication Protocol with Au...

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3rd ieee international conference on computer science and information technology (iccsit)

作者： Chen Zuning Qin Zheng Wang Xianhui Xi An Jiao Tong Univ Dept Comp Sci & Technol Xian 710049 Peoples R China Guangxi Univ Dept Phys Nanning 530004 Peoples R China Tsinghua Univ Sch Informat Sci & Technol Beijing 100084 Peoples R China

ISBN: (纸本)9781424455379

The quantum communication is a new-style communication scheme based on quantum mechanics. It arouses much interest recently. In this paper, a novel quantum secure communication protocol is proposed. This is a quasi quantum secure direct communication protocol, since it closely unites the quantum key distribution and the classical communication. In the protocol, a key is distributed between both parties participating in communication using EPR pairs, the secret message is sent through classical public channel and the both are closely combined. The protocol applies a braid-based key agreement protocol to let both parties share a secret random number, whose size and magnitude are undecided in advance. It is used to perform aU the authentications of the communication. So the communication is simplified. The security of the proposed protocol is based on the no-cloning theorem and the fact that the p-th root finding problem on braid groups is intractable even on quantum computers, as well as classical computers.

关键词： quantum key distribution quantum secure direct communication quantum cryptography information security braid-based key agreement protocol Bell states

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Using Alert Cluster to reduce IDS alerts

Using Alert Cluster to reduce IDS alerts

引用

2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Njogu, Humphrey Waita Luo, Liawei School of Computer and Communication Hunan University China

ISBN: (纸本)9781424455386

Intrusion Detection Systems (IDSs) are known to produce huge volumes of alerts. The interesting alerts are always mixed with irrelevant, duplicate and non interesting alerts. Huge volumes of poorly sorted and unclustered alerts frustrate the efforts of analysts when identifying the interesting alerts. Therefore, the unmanageable amount of poorly sorted alerts is a critical issue affecting the performance of IDSs. This paper proposes a better mechanism to compute the similarities of the verified alerts using the distance among the new alert features. Our approach uses the both clustering technique and Supporting Evidence (Vulnerability data) to build a robust Alert Cluster. Our goal was to reduce the unnecessary alert load and improve the quality of alerts sent to the analysts. We can confidently state that our approach significantly reduced the unnecessary alert loads and improved the quality of alerts. © 2010 ieee.

关键词： Data mining

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A new folding technique for flash A/D converter using Tap Reference Modifier

A new folding technique for flash A/D converter using Tap Re...

引用

2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Vinay, Rao M.M Paul, P.K. Department of Electronics and Communication Engineering National Institute of Technology Silchar India

ISBN: (纸本)9781424455386

In this paper, a new folding technique using Tap Reference Modifier for A/D converter is presented. In any folding type ADC, folders are must, which restrict the input signal bandwidth. But in our work, we have introduced a unique functional unit called Tap Reference Modifier (TRM) to fold the input signal. This removes the requirement of folders hence it relaxes the constraint on the input signal bandwidth. The other advantage of the proposed technique is that it requires less number of components compared to conventional counterpart. A model of 6-bit ADC which uses the new folding technique is simulated and the functionality of the system is verified to exhibit the folding property. © 2010 ieee.

关键词： Taps

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A Markov chain model for system forecast evaluation

A Markov chain model for system forecast evaluation

引用

2010 3rd ieee international conference on computer science and information technology, iccsit 2010

作者： Jiao, Lifei Liu, Qiao Xie, Benliang Zhou, Hua Department of Electronic Science Guizhou University Guiyang 550025 China

ISBN: (纸本)9781424455386

In order to forecast and evaluate a system more reasonably, this paper establishes a mathematical model, based on the theory that the finite irreducible aperiodic homogeneous Markov chain has one and only stationary distribution. At first, calculates the proportions of every sort of members in a system, as the initial distribution. After one unit of time, ciphers the system's state distribution again. According to the two different state distributions, the transition probability matrix can be got through cyphering. Then we can compute the final state distribution of the system when it becomes stable, using the properties of homogeneous Markov chain. So the system can be predicted. In addition we illustrate the application of this model through an example. After verification, the model is more objective and appropriate than the traditional methods. © 2010 ieee.

关键词： Forecasting

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