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Dissertations / Theses on the topic 'Data sharing scheme'

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1

Lai, Chun-Pong. "Several variants and generalizations of Shamir's secret sharing scheme /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?COMP%202002%20LAI.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2002.<br>Includes bibliographical references (leaves 55-58). Also available in electronic version. Access restricted to campus users.
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Prakash, Aravind. "Confidential Data Dispersion using Thresholding." Scholarly Repository, 2009. http://scholarlyrepository.miami.edu/oa_theses/232.

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With growing trend in "cloud computing" and increase in the data moving into the Internet, the need to store large amounts of data by service providers such as Google, Yahoo and Microsoft has increased over time. Now, more than ever, there is a need to efficiently and securely store large amounts of data. This thesis presents an implementation of a Ramp Scheme that confidentially splits a data file into a configurable number of parts or shares of equal size such that a subset of those shares can recover the data entirely. Furthermore, the implementation supports a threshold for data compromise
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Yuan, Jin. "Secret sharing schemes from linear codes /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?COMP%202005%20YUAN.

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4

Patil, Manjiri Pandurang. "Schema exportation and integration for achieving information sharing in a transnational setting." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0009360.

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Aulbach, Stefan [Verfasser], Alfons [Akademischer Betreuer] Kemper, and Torsten [Akademischer Betreuer] Grust. "Schema Flexibility and Data Sharing in Multi-Tenant Databases / Stefan Aulbach. Gutachter: Torsten Grust. Betreuer: Alfons Kemper." München : Universitätsbibliothek der TU München, 2011. http://d-nb.info/1019589965/34.

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6

CHAWLA, CHIRAG. "A LIGHT WEIGHT SECURE DATA SHARING SCHEME IN CLOUD COMPUTING." Thesis, 2018. http://dspace.dtu.ac.in:8080/jspui/handle/repository/19116.

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Ciphertext Policy – Attribute Based Encryption is used to share the data securely as it is a challenge because it is an emerging encryption technology and can be very useful used over the cloud platform. The CP-ABE scheme has been implemented over the setup of a typical university architecture and gives the fine grained access for it. The documents that are sent to the data users by the data owners are encrypted first with the ABE encryption and following the access control structure on that document and then it can be decrypted when the data users wants them and only for those use
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Wu, Po-Ting, and 吳柏霆. "A Data Hiding Scheme with Secret Sharing Based on Hamming Codes." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/jp5dn3.

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碩士<br>輔仁大學<br>資訊工程學系碩士班<br>103<br>A secret image can be embedded into n cover images by the (t, n)-threshold secret sharing method, generating n camouflage images. To reconstruct the secret image, the method requires at least t out of the n camouflage images. There are two stages in the (t, n)-threshold secret sharing method. The first stage is to embed the secret image, and the second stage is to reconstruct the secret image. When embedding the secret image, how to reduce cover image distortion is a major problem. This paper proposes to use (7, 4) Hamming code, to embed the secret image. Beca
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CHEN, YI-JIUN, and 陳怡君. "Secret Image Sharing Scheme Based on General Exploiting Modification Direction of Data Hiding." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/faxjdu.

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碩士<br>國立雲林科技大學<br>資訊工程系<br>107<br>The main method of data hiding is to embed secret information into multimedia and then transmit it to the recipient. The stego multimedia would not attract someone and is protected from tampering during transmission. In addition to using data hiding technology, this paper is combined with secret image sharing. The bits of the secret image pixels are hidden in a step-by-step manner, and the cover image pixels are modified by using the GEMD data hiding method to generate N pieces of stego images.. If the recipient wants to extract the secret image, the recipient
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Mishra, Aastha. "Data Security in Cloud Computing Based on Advanced Secret Sharing Key Management Scheme." Thesis, 2014. http://ethesis.nitrkl.ac.in/5845/1/212CS2110.pdf.

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Cloud computing is a globalised concept and there are no borders within the cloud. Computers used to process and store user data can be located anywhere on the globe, depending on where the capacities that are required are available in the global computer networks used for cloud computing. Because of the attaractive features of cloud computing many organizations are using cloud storage for storing their critical information. The data can be stored remotely in the cloud by the users and can be accessed using thin clients as and when required.One of the major issue in cloud today is data securit
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kuo, Yu-Ting, and 郭毓庭. "Guard Channel Allocation in Integrated Voice/Data Mobile Networks with Guard Channel Sharing Scheme." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/69047729212091781436.

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碩士<br>中原大學<br>電子工程研究所<br>94<br>Guard channel sharing scheme, which the data traffic can use parts of the residual channels of voice guard channels on condition that the handoff requests have higher priority over data packets, has been evidenced that outperforms than conventional dedicated data guard channel scheme in integrated voice/data mobile networks. In this thesis, we investigate a dynamic guard channel allocation scheme based on the guard channel sharing scheme that can jointly provide dynamic allocation of both voice and data guard channels in order to improve channel utilization and c
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Hsiao, Wei-Ting, and 蕭偉廷. "An Efficient Data Sharing Scheme Using Mobile Grid Sequence in Vehicular Ad-hoc Networks." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/77782769700841899547.

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碩士<br>逢甲大學<br>資訊工程所<br>100<br>In recent years, the attention of information sharing via geo-aware grid has become more and more popular in VANet. Geo grid can be used for information sharing and discovery. However, due to the motility of vehicles in VANet, the header change in geo grid become a heavy overhead of network maintenance in terms of the frequent header election for choosing new grid headers. The header election results in the service time being reduced because the process of header election occupies the bandwidth and causes the service to interrupt. This thesis proposes schemes to r
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Su, Min-Tzu, and 蘇旻姿. "A Data Sharing Access Scheme with Limited Number of Times in Cloud Storage Servers." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/uf823w.

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碩士<br>國立中興大學<br>資訊科學與工程學系<br>106<br>With the advent of big data generation, cloud data storage and computing have become more and more popular. Users using cloud storage to do data sharing are increasing. However, convenient life also brings in some security challenges. Someone with evil intention might get some users’ information via uploaded files. Hence, the security of data sharing in cloud storage has gained attention recently. In this thesis, we survey the related issue of data sharing within a public cloud and propose a filing the purchase of the request in need, data query and authenti
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Chih-HsiangShao and 邵致翔. "A Group Handoff Scheme for Proximate Data Sharing Using the Social Internet of Thing (S-IOT) Mechanism." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/71930925312618906682.

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碩士<br>國立成功大學<br>資訊工程學系<br>105<br>Internet of Things (IOT) emerge in large numbers surrounding us and it has already been along with us everywhere. The things not only communicate with each other without human intervention but also own some relationships called Social IOT (S-IOT), which is the same as social relationships of human beings. In this work, architecture and scheme for a group handoff from a mobile AP to a fixed AP and vice versa, for which the group is for downloading and sharing of geo touring information, e.g., Point Of Interest’s (POI’s), using the proposed S-IOT mechanism. Using
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Li, Pei-Yuan, and 李培源. "A Data-Aware Charge-Sharing Based Low Swing TSV Transmission Scheme for 3D IC with Wide I/O." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/62143062165708208404.

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碩士<br>國立清華大學<br>電機工程學系<br>103<br>With the evolution of MOS technology based on Moore’s Law, we have to face the difficulties on designing and the bottleneck on physics and materials including increasing leakage current, RC delays on wire routing and yield issue. 3D integration has the most potential to solve these problems by using Though Silicon Via (TSV) technology and providing outstanding performance and high density advantage at the same time. However, there are many challenges for TSV-based 3D IC such as bad energy efficiency due to large loading, multi layer addressing and large TSV pit
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Sung, Shao-Chung, and 宋少中. "Multicast with Intra-Cluster Device-to-Device (D2D) Data Sharing Algorithm by Relay Supported Scheme Based on Small World Model." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/r8j2ue.

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碩士<br>國立交通大學<br>電信工程研究所<br>103<br>Device-to-Device (D2D) communications help improve the performance of wireless multicast service in local area. In this thesis, we propose an improved intra-cluster D2D multicast algorithm to make data sharing realized among D2D users. In our algorithm, the data transmitting order is according to the data demand. In each data transmission process, we will choose a proper transmitter to multicast data in a cluster. Moreover, the relay scheme of data transmission is used in our algorithm, so as to get over transmission rate restriction that made by link quality.
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16

Yu-FenChen and 陳瑜棻. "Vehicular Proximity Service (V-ProSe) of Sharing the Downloaded Geo-based Landscape Data Using the Credit-based Cluster Scheme for Vehicular Social Network (VSN)." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/n98b28.

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17

Lai, Wan-Song, and 賴宛崧. "Data Hiding Schemes for Image Secure Sharing Applications." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/30527509422905783014.

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碩士<br>國立中正大學<br>電機工程研究所<br>90<br>In this thesis, we propose two data hiding techniques for image secure sharing scheme. These two schemes, which belong to image encryption technology, are based upon Grey theory and vector quantization (VQ), respectively. By taking the advantage of human virtual system (HVS), the image hiding can be done under a tolerated distortion. Hence, a secure transmission of secret image can be achieved. In order to avoid large distortion caused by the embedded image, a compression of the secret image before the image hiding is needed. Therefore, our scheme not only achi
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18

Yang, Teng-Kai, and 楊登凱. "An ontology-based knowledge frameworkfor the conceptual data schema sharing." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/523738.

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碩士<br>銘傳大學<br>資訊管理學系碩士班<br>97<br>Conceptual database design is concerned with the conceptualization of reality in terms of entities and relationships. Although several methodologies and software tools reported by many researchers have to date been proposed and developed to aid the conceptualizing task, the primary focus of those proposals is on the syntactical aspect. Hence, the aim of this research is to propose a conceptual knowledge framework based on ontology for the conceptual data schema sharing and reusing. The framework consists of two main knowledge components – a concept base and a s
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19

Hsu, Tz-Heng, and 許子衡. "Data Caching, Prefetching and Sharing Schemes for Multimedia Applications over the Internet." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/00948390597758063049.

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博士<br>國立成功大學<br>資訊工程學系碩博士班<br>93<br>Mobile Internet allows users to retrieve any information any time, any place on any device. New generation of smart wireless devices can provide an easier way to retrieve existing multimedia services for mobile users. VOIP and video conferencing are the typical popular techniques to help the communication among mobile users. The need of using multimedia services through mobile devices drives the researches of new wireless multimedia technologies.The increasing use of wireless multimedia service invokes several research issues that need to be resolved. In thi
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