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 210 for “"Data availability"”.
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ACeD: scalable data availability oracle
… relying on committing only hashes of off-chain data into the blockchain. This mechanism is acknowledged to be vulnerable to a stalling attack: the blocks corresponding to the committed hashes may be unavailable at any honest node. The straightforward solution of broadcasting all blocks to the …
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How Enhanced Data Availability Affects Multi-Channel Marketing Attribution
… analyze the results of these channels. However, data is not always entered in these applications as cleanly as possible and work to integrate the data from these tools is not always prioritized. In order to support prioritization efforts, management would need an example case study to prove how …
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Data replication and update propagation in XML P2P data management systems
XML P2P data management systems are P2P systems that use XML as the underlying data format shared between peers in the network. These systems aim to bring the benefits of XML and P2P systems to the distributed data management field. However, P2P systems are known for their lack of central control …
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Soft Mobility Techniques For Ensuring Network Availability
… becoming more and more common nowadays. Both the availability of server and the availability of network are crucial for the transactions to go smoothly. In this dissertation we discuss soft mobility techniques used for ensuring network and data availability in the presence of Denial-of-Service …
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Multi-node mirrored NVRAM in a virtualized environment
The demand for increased data availability and reliability of storage systems has contributed to the design and deployment of multi-node data storage clusters. This paper presents a simulator of one such multi-node, multi-machine cluster. The simulator is architected by extending the NetApp, Inc. …
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Benchmarking Reinforcement Learning and Off Policy Evaluation for Medical Decision Making
… (RL) methods due to implementation risks, low data availability, short treatment episodes, sparse re[1]wards, partial observations, and heterogeneous treatment effects (HTE). Despite significant interest in developing Dynamic Treatment Regimes (DTRs) for longitudinal patient care scenarios, no …
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Optimistic Partitioned Operation in Distributed Database Systems (Network Partitioning, Replicated Data, Consistency, Recovery, Fault-Tolerance)
Network partitioning is a 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 …
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Three essays on the welfare and social impacts of external shocks and public policies in Mexico
… approaches that exploit increased data availability as well as in-depth knowledge of the institutional background and show how germane extensions in the methodology shed light on previously unaccounted consequences and help better identify affected households. In particular, I …
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Database-as-a-service integration with ad hoc mobile cloud-powered GUISET
… work proposes the usage of a cache to maintain data availability to mobile clients who were initially using the DBaaS model to store their data. The proposed cache model is used only during Internet disconnections, and uses a prefetching mechanism to periodically retrieve its data from the …
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Modelling probabilities of corporate default
… when using few samples which mimics real world data availability
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New methods to answer old questions: A study of London infant and child mortality at the turn of the twentieth century
… have been plagued with limitations driven by data availability and quality. Now, historical demographers are turning to new technologies and methods – including big microdata, multilevel analysis and text-mining – to overcome these past issues. This thesis has contributed to the growing …
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The feasibility of sodar wind profile measurements from an oceanographic buoy
… on an ASIS buoy. Roughly one week of buoy motion data and one day of sodar observations were collected. Data from both this deployment, and the Martha's Vineyard Coastal Observatory, were used in conjunction with models to predict sodar performance. Results are compared for an ASIS and a 3-meter …
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Audit Pricing and Strategic Group Analysis in the Public Accounting Industry
… has been considerably limited due to lack of data availability. This dissertation proposal leverages a unique dataset of public accounting firms in Korea ranging from 1997 to 2011 to examine the industry's strategic groups and pricing decisions in light of considerable economic forces in a …
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Personal Information Environment: A Framework for Managing Personal Files across a Set of Devices
… laptops, cellular devices and many more. The data we need for our processing needs is scattered among these devices. The availability of all the scattered data in the devices in use associated to an individual user as one is achieved in a Personal Information Environment. Data recharging is a …
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The feasibility of sodar wind profile measurements from an oceanographic buoy
… on an ASIS buoy. Roughly one week of buoy motion data and one day of sodar observations were collected. Data from both this deployment, and the Martha's Vineyard Coastal Observatory, were used in conjunction with models to predict sodar performance. Results are compared for an ASIS and a 3-meter …
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A semantic basis for parallel algorithm design
… at a statement level. A model based on data flow allows algorithm expression using flow diagrams. The model specifies operating system requirements that support parallel programming at a module level. Paths are used to carry data between modules. Data enter modules through ports. Module …
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Instrumenting Wildlife Water Developments to Collect Hydrometeorologic Data in Remote Nevada Catchments
… recharge often require inputs of precipitation data. However, models estimating precipitation in Nevada are based on extremely limited data, especially in remote, mid- to high-elevation catchments. Wildlife water developments, or guzzlers, are anthropogenic catchments designed to capture and …
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TECHNOLOGICAL BREAKTHROUGH TOWARDS THE USE OF A NOVEL VISUAL-INERTIAL ODOMETRY SYSTEM AS AN AID FOR THE DIGITALLY-GUIDED INTERVENTION
Recent data availability of three dimensional imaging brought new possibilities for the guided intervention. The management of complex data requires the use of new tools and new technologies. We analyzed the use of algorithms for the automatic, ai-driven segmentation to extrapolate the best systems …
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The Shareholder Wealth Effects of Real Estate Investment Trusts: Mergers and Acquisitions
… January, 1972, to December, 1995, with adequate data availability were examined. They included 101 transactions in which both bidder and target were REITs, 34 transactions in which the only bidder was a REIT, and 25 transactions in which only the target was a REIT. Differences in income taxation …
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