Dissertations / Theses on the topic 'Qa76.54'
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Triastuti, Sugiyarto Endang. "Analysing rounding data using radial basis function neural networks model." Thesis, University of Northampton, 2007. http://nectar.northampton.ac.uk/2809/.
Full textAmpratwum, Cecilia S. "Identification of chemical species using artificial intelligence to interpret optical emission spectra." Thesis, University of Northampton, 1999. http://nectar.northampton.ac.uk/3004/.
Full textJohnson, Mark. "The Dyslexic User's Interface Support Tool (DUIST) : a framework for performance enhancing interface adaptation strategies for dyslexic computer users." Thesis, University of Northampton, 2007. http://nectar.northampton.ac.uk/2683/.
Full textWang, Yijun. "Development of an artificial neural network model to predict expert judgement of leather handle from instrumentally measured parameters." Thesis, University of Northampton, 2009. http://nectar.northampton.ac.uk/3581/.
Full textBosman, Oscar. "Testing object-oriented software." Master's thesis, 1999. http://hdl.handle.net/1885/144495.
Full textTridgell, Andrew. "Efficient algorithms for sorting and synchronization." Phd thesis, 1999. http://hdl.handle.net/1885/144682.
Full textTrentelman, Kerry. "Aspects of Java program verification." Phd thesis, 2006. http://hdl.handle.net/1885/151803.
Full textMa, Wanli. "T-Cham : a programming language based on transactions and the Chemical Abstract Machine." Phd thesis, 2001. http://hdl.handle.net/1885/148085.
Full text"A tunable version control system for virtual machines in an open-source cloud." 2013. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1291493.
Full text開源雲端平台為供低成本硬件及作業系統提供一個可行的替代方案。為了提高開源雲的可靠性,我們設計及實踐了CloudVS,一個針對虛擬機的實用版本控制系統。CloudVS針對有限資源的低成本硬件雲平台,利用內容相似性,在不同的虛擬機版本使用冗餘消除。這樣,在虛擬機版本數據中只有非冗餘的部分在網絡上傳輸,並保存在持久存儲。使用冗餘消除作為構建塊,我們提出了一套性能適應機制,使CloudVS適合於不同的低成本硬件配置。具體而言,我們提出了一種可調諧的機制來平衡存儲和磁盤尋道開銷,以及應用各種I/O優化技術去最大限度地減少對其他同時運行進程的干擾。我們應用冗餘消除多個虛擬機影像去進一步利用其內容相似度,同時,我們更進一步支持寫時複製格式。使用來自真實世界的虛擬機快照,我們嘗試在開放源碼的雲測試平台Eucalyptus中測試CloudVS。我們演示CloudVS如何可以參數化,以平衡版本控制和正常的虛擬機操作之間的性能取捨。
Tang, Chung Pan.
Thesis M.Phil. Chinese University of Hong Kong 2013.
Includes bibliographical references (leaves 57-65).
Abstracts also in Chinese.
Title from PDF title page (viewed on 07, October, 2016).
Detailed summary in vernacular field only.
Nagappan, Rajehndra Yegappan. "Mining multidimensional data through compositional visualisation." Phd thesis, 2001. http://hdl.handle.net/1885/146042.
Full textArmstrong, Warren Haley. "Swift : a flexible framework for runtime performance tuning." Phd thesis, 2011. http://hdl.handle.net/1885/151487.
Full textFatwanto, Agung. "A concern-aware requirements engineering framework." Phd thesis, 2011. http://hdl.handle.net/1885/150279.
Full text"Access-pattern-aware data management in cloud platforms." 2015. http://repository.lib.cuhk.edu.hk/en/item/cuhk-1291497.
Full textIn this thesis, we study two problems with respect to the challenges, and propose solutions for each problem with the consideration of access patterns. The first problem is raised from theviewpoint of service providers. We study the problem of data allocation in scalable distributed database systems for achieving the high availability feature of cloud services. We propose a data allocation algorithm, which makes use of time series models from previous access patterns to perform load forecasting and reallocate data fragments to balance the workload within the system. Simulation results show that, with accurate forecasting, the proposed algorithm gives a better performance than general threshold-based algorithms.
The second problem addresses the clients' concern that service providers may not be trustworthy. We first illustrate how service providers can infer sensitive information through query access patterns even when data are encrypted. Then, we propose techniques that break down large queries and randomize query access patterns such that service providers cannot infer sensitive information with a high degree of certainty. Experiments on benchmark data show that a high level of access privacy can be achieved by the proposed techniques with a reasonable overhead.
數據庫外包是近年新興的一種數據管理服務,其特點是數據儲存於第三方的伺服器內。隨著雲端科技的發展,數據庫外包服務日趨普及,同時亦產生不少技術問題。
本文著重探討兩個問題。首先,從服務供應商的角度研究可擴展的分布式數據庫系統如何分配數據來提供高可用性的雲端服務。鑑於用戶訪問模式會隨著時間轉變,我們提出以時間序列模型預測負荷的算法重新分配數據,以平衡系統的工作量。通過模擬實驗可知在準確的負荷預測下,我們提出的算法比基於闆值的算法有更好的表現。
第二個探討的問題是如何保障用戶私隱,避免洩露給服務供應商。文中列舉了數據加密的情況下,服務供應商如何通過分析用戶訪問模式獲取資料,進而提出相應的保障技術。透過用戶訪問模式的隨機化,能使服務供應商無法準確比對用戶的資料。基準數據實驗指出此項技術可有效保護私隱,而且不會對訪問速度造成太大影響。
Li, Shun Pun.
Thesis M.Phil. Chinese University of Hong Kong 2015.
Includes bibliographical references (leaves 86-93).
Abstracts also in Chinese.
Title from PDF title page (viewed on 11, October, 2016).
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Detailed summary in vernacular field only.
Wong, H'sien Jin. "Integrating software distributed shared memory and message passing programming." Phd thesis, 2010. http://hdl.handle.net/1885/151533.
Full textZigman, John Nigel. "A general framework for the description and construction of hierarchical garbage collection algorithms." Phd thesis, 2004. http://hdl.handle.net/1885/149684.
Full textSpate, J. M. "Data mining as a tool for investigating environmental systems." Phd thesis, 2006. http://hdl.handle.net/1885/149731.
Full textSharma, Vikram. "A blackboard architecture for a rule-based SQL optimiser." Master's thesis, 1997. http://hdl.handle.net/1885/144244.
Full textAwang, Abu Bakar Normi Sham. "The effects of software design complexity on defects : a study in open-source systems." Phd thesis, 2011. http://hdl.handle.net/1885/150085.
Full textFenwick, Stephen Peter. "State-based performance analysis of multicomputer object store applications." Phd thesis, 1998. http://hdl.handle.net/1885/145984.
Full textHutchins, Matthew Alexander. "Modelling visualisation using formal algebra." Phd thesis, 1999. http://hdl.handle.net/1885/147627.
Full text"Parallel MIMD computation : the HEP supercomputer and its applications." MIT Press, 1985. http://hdl.handle.net/1721.1/1745.
Full textCohen, Jonathan Asher. "Coherence for rewriting 2-theories : general theorems with applications to presentations of Higman-Thompson groups and iterated monoidal categories." Phd thesis, 2008. http://hdl.handle.net/1885/151114.
Full textAbate, Pietro. "The tableau workbench : a framework for building automated tableau-based theorem provers." Phd thesis, 2007. http://hdl.handle.net/1885/149636.
Full textMurshed, Mohammad Manzur. "The reconfigurable mesh : programming model, self-simulation, adaptability, optimality, and applications." Phd thesis, 1999. http://hdl.handle.net/1885/147938.
Full textTang, Thanh Tin. "Quality-oriented information retrieval in a health domain." Phd thesis, 2007. http://hdl.handle.net/1885/150696.
Full textShames, Iman. "Formation control and coordination of autonomous agents." Phd thesis, 2010. http://hdl.handle.net/1885/150541.
Full textO'Hagan, Rochelle G. "Vision-based gesture recognition as an interface to virtual environments." Phd thesis, 2002. http://hdl.handle.net/1885/148650.
Full textLin, Yi. "Virtual machine design and high-level implementation languages." Master's thesis, 2013. http://hdl.handle.net/1885/149698.
Full textOver, Andrew James. "Two approaches to multiprocessor memory-system simulation." Phd thesis, 2008. http://hdl.handle.net/1885/148357.
Full textMulerikkal, Jaison Paul. "Service oriented approach to high performance scientific computing." Phd thesis, 2013. http://hdl.handle.net/1885/150949.
Full textTeh, Chin Hao Alvin. "Normative manipulation as a way of improving the performance of software engineering groups : three experiments." Phd thesis, 2012. http://hdl.handle.net/1885/149832.
Full textSemenova, Tatiana. "Identification of interesting patterns in large health databases." Phd thesis, 2006. http://hdl.handle.net/1885/151258.
Full textYang, Xi. "Locality aware zeroing : exploiting both hardware and software semantics." Phd thesis, 2011. http://hdl.handle.net/1885/149962.
Full textHawking, David Anthony. "Text retrieval over distributed collections." Phd thesis, 1998. http://hdl.handle.net/1885/147205.
Full text"Actors : a model of concurrent computation in distributed systems." MIT Press, 1986. http://hdl.handle.net/1721.1/1692.
Full textZhang, Xiaochun. "User specific aspects of pen-based computer input for identity verification." Phd thesis, 1999. http://hdl.handle.net/1885/147752.
Full textFrampton, Daniel. "Garbage collection and the case for high-level low-level programming." Phd thesis, 2010. http://hdl.handle.net/1885/148396.
Full textSharma, Vikram. "Informatic techniques for continuous varible quantum key distribution." Phd thesis, 2007. http://hdl.handle.net/1885/150269.
Full textTaylor, Samuel Roger Aldiss. "Streaming geospatial imagery into virtual environments." Phd thesis, 2001. http://hdl.handle.net/1885/146251.
Full textHe, Zhen. "Integrated buffer management for object-oriented database systems." Phd thesis, 2004. http://hdl.handle.net/1885/148651.
Full textBlackburn, Stephen. "Persistent store interface : a foundation for scalable persistent system design." Phd thesis, 1998. http://hdl.handle.net/1885/145415.
Full textWang, Yuanzhi. "Organic aggregation : a human-centred and model-driven approach to engineering service-oriented systems." Phd thesis, 2010. http://hdl.handle.net/1885/151460.
Full textRowlands, Thomas Aneirin. "Information retrieval through textual annotations." Phd thesis, 2012. http://hdl.handle.net/1885/149606.
Full textLin, Aleck Chao-Hung. "Designing web sites for enjoyment and learning : a study of museum experiences." Phd thesis, 2007. http://hdl.handle.net/1885/146697.
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