Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 34 for “"data consistency"”.
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Managing Data Consistency in IoT Devices
… Management System (LRSMS) to keep track of the data used in a device or a machine as well as dependencies between data. When the device recognizes a state change in any of its data, the LRSMS will tell the device to propagate the state change to all dependent data and inform the use of the …
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Optimistic Partitioned Operation in Distributed Database Systems (Network Partitioning, Replicated Data, Consistency, Recovery, Fault-Tolerance)
… serious threat to the availability of replicated data in distributed database systems. To provide high data availability during partitioning, an optimistic strategy for transaction processing will allow transactions to be processed in any partition. Conflict detection and resolution will then be …
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Efficient replication of large volumes of data and maintaining data consistency by using P2P techniques in Desktop Grid
… low cost and good performance in institutions. Data-intensive applications require data management in scientific experiments conducted by researchers and scientists in Desktop Grid-based Distributed Computing Infrastructure (DCI). Some of these data-intensive applications deal with large volumes …
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Distributed functional programming in Scheme
… of programming simplifies the challenges of data consistency. A number of demonstrations of the system are presented, including a distributed SAT solver. The performance of the system is shown to increase roughly linearly with the number of servers employed.
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Concurrency Control in Real-Time Database Systems
A 'real-time database system (RTDBS)' is a database system designed to provide real-time information to data-intensive applications. Each RTDB transaction is associated with a timing constraint, typically in the form of a deadline. It is difficult, in a RTDBS, to meet all timing constraints due to …
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Towards Label-Efficient Learning: Exploiting Limited Labels and Abundant Unlabeled Data
… limited labels alongside abundant unlabeled data is critical for advancing the capabilities of language models and their downstream systems. This thesis first presents novel methodologies for label-efficient learning, introducing three frameworks: (1) JointMatch, which employs collaborative …
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Improvements on Manual Pavement Distress Data Collection to Conform to State and Federal Requirements
… of this study is to align the pavement distress data of the state of New Mexicos pavement management system with that of the federal highway system, the Highway Performance Monitoring System (HPMS), while concurrently reducing variability, increasing data consistency, and providing a greater …
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Coordinating Transactions For Data Services
… Web, they have emerged as a reliable means of data sharing to integrate heterogeneous data. In fact, a Web service can be viewed as a database, with a service invocation analogous to a query. When there is a persistent change in a Web service as the result of it being invoked, then it can also …
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Assessing the consistency of the implementation of the Namibian Horticultural Market Share Promotion Scheme under the General Agreement on Tariffs and Trade 1994
… of this case study research was to assess the consistency of the implementation of the Namibian Horticultural Market Share Promotion Scheme (MSPS) under the General Agreement on Tariffs and Trade (GATT) 1994 and the World Trade Organisation (WTO). The second segment of this study looked at …
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Improving Transaction Acceptance of Incoherent Updates Using Dynamic Merging In a Relational Database
… is not without its challenges. Maintaining both data consistency and availability is one of the most challenging prospects for mobile computing. These difficulties are exacerbated by the unique ability of mobile platforms to disconnect for extended periods of time while continuing to function …
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Describing Integrated Power Electronics Modules using STEP AP210
… makes it difficult to synchronize and maintain data consistency across all models as changes are made to the respective views. This thesis addresses this problem by describing power electronics modules using STEP AP210, the STandard for the Exchange of Product data, Application Protocol 210; …
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Multicore Scalability Through Asynchronous Work
… programmer can remove tasks which do not affect data consistency from the critical path and can be performed using background thread. Using this idea, the thesis introduces two systems. First, a synchronization mechanism, Multi-Version Read-Log-Update(MV-RLU), which extends Read-Log-Update (RLU) …
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Optimizing high locality memory references in cache coherent shared memory multi-core processors
… and optimize two classes of high locality data memory reference streams in cache coherent shared memory multi-processors. More specifically, this thesis classifies such memory objects into spatial and temporal false shared memory objects. The underlying hypothesis is that the policy of …
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iHear – Lightweight Machine Learning Engine with Context Aware Audio Recognition Model
… computation required for processing large-scale data with Machine Learning. The conventional Machine Learning systems do not naturally or efficiently support some very important features for large-scale stream data. To overcome these limitations, we propose the iHear engine that aims to support …
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Integration and Evaluation of Cache Coherence Protocols for Multiprocessor SoCs
… MPSoCs, the integration techniques guarantee data consistency among incompatible coherence protocols. An integrated protocol will contain common states from these coherence protocols. A snoop-hit buffer and region-based cache coherence were also proposed to further enhance the coherence …
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Rethinking Storage System Design in Distributed NVRAM+RDMA Clusters
… for creating scalable high-throughput data management systems with low latency and strong consistency guarantees. In this thesis, we investigate the design space for distributed storage systems based on these emerging technologies. The design focuses on three components: a novel …
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Transactions and data management in NoSQL cloud databases
NoSQL databases have become the preferred option for storing and processing data in cloud computing as they are capable of providing high data availability, scalability and efficiency. But in order to achieve these attributes, NoSQL databases make certain trade-offs. First, NoSQL databases cannot …
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Satisfying strong application requirements in data-intensive cloud computing environments
In today's data-intensive cloud systems, there is a tension between resource limitations and strict requirements. In an effort to scale up in the cloud, many systems today have unfortunately forced users to relax their requirements. However, users still have to deal with constraints, such as strict …
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Towards efficient collaboration for e-service transaction management : semantics, security and reliability
… technologies by integrating control flows and data flows into a workflow model, and they employ a relaxed transaction concept for fault tolerance, in order to maintain the processes consistencies, as well as, data consistencies even in presence of failures. To achieve these objectives, we first …
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HIGH PERFORMANCE DISTRIBUTED TRANSACTIONS FOR MULTI-REGION DATABASE SYSTEMS
… has spurred the demand for a more advanced database system layer in multi-region cloud infrastructures. This layer should provide a strongly consistent interface, abstracting the complexity of distributed computing so developers can focus on application logic without worrying about data race …
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