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 3896 for “"frequent"”.
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New Approaches to Frequent and Incremental Frequent Pattern Mining
… common technique used in discovering interesting frequent patterns in large datasets acquired in various application domains. Having petabytes of data finding its way into data storages in perhaps every day, made many researchers look for efficient methods for analyzing these large datasets. Many …
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Plant growth regulators: an alternative to frequent mowing
… of Plant Growth Regulators (PGR's) to frequently mowed semi-improved areas can minimize the total annual mowing costs at Naval Air Station Cecil Field, Florida and Naval Air Station Jacksonville, Florida. The highest potential savings are in areas where the frequency of mowing is weekly …
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A Sampling-Based Framework for Parallel Mining Frequent Patterns
We implemented parallel algorithms for mining frequent itemsets, sequential patterns and closed-sequential patterns following our framework. A comprehensive performance study has been conducted in our experiments on both synthetic and real-world datasets. The experimental results have shown that …
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Multiple Uses of Frequent Episodes in Temporal Process Modeling
… In this work, we propose the mining of frequent episodes as a bridge to inferring more formal models of temporal processes. This enables us to combine the advantages of frequent episode mining, which conducts level wise search over constrained spaces, with the formal basis of process …
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An explorative investigation into the effect of frequent versus non-frequent use of social network sites on students’ spelling skills and academic performance
This paper assesses the relationship between Social Networking Sites (SNS) and the effect of its excessive use on a user’s spelling capabilities and academic performance by using a single-factor, multi-level between subjects design (One-way ANOVA). The One way Anova was applied to SNS use …
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Analyzing frequent acquires in emerging markets and futures markets linkage
… of this dissertation examines the returns to frequent acquirers from emerging markets and analyzes the cross-country variations in cumulative abnormal returns. The sample consists of 5,147 transactions carried out by firms from 17 common and civil-law countries during the period of January …
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Efficacy of frequent, secure, automated testing on student academic performance
This thesis discusses the effects of frequent, secure automated testing on student performance in CS 421, a class titled Programming Languages and Compilers at the University of Illinois at Urbana- Champaign, and examines in-depth the tools utilized to enable such testing. In particular, it looks …
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Frequent cholesterol feedback as an aid in lowering cholesterol levels
Twenty six male and two female participants in the Cardiac Therapy Program at Virginia Tech were stratified, based upon level of total cholesterol (TC) and length of time in the Cardiac Program, and then randomly assigned to either experimental or control groups. Participants ranged in age from 43 …
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Frequent or freakish? Framing bushfires in the context of climate change
<p>This thesis explores media coverage of catastrophic bushfires in Australia across three large-circulation newspapers. It compares the ‘Black Saturday’ bushfires of February 2009 and the ‘Black Summer’ bushfire disaster of 2019-20 to discover how fire is framed within Australian newspaper …
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A distributed approach to Frequent Itemset Mining at low support levels
Frequent Itemset Mining, the process of finding frequently co-occurring sets of items in a dataset, has been at the core of the field of data mining for the past 25 years. During this time the datasets have grown much faster than the algorithms capacity to process them. Great progress was made at …
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Temporal analysis of emergency department frequent users using machine learning approaches
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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The Effect of Physical Activity on the Insulin Response to Frequent Meals
<p>Long, uninterrupted bouts of sedentary behavior are thought to negatively influence insulin sensitivity, and may impact metabolic function regardless of adherence to general physical activity guidelines. The purpose of this study was to determine the combined effect of physical activity (1 h …
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Using Frequent, Unannounced, Focused, and Short Classroom Observations to Support Classroom Instruction
<p>This paper examines the need to do more frequent, short (10- to 15-minute), unannounced, and focused classroom observations to support classroom instruction. Currently, the state requires at least one to three classroom observations per teacher; the number of observations is based on tenured and …
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Towards Accurate and Efficient Classification: A Discriminative and Frequent Pattern-Based Approach
In conclusion, the framework of discriminative frequent pattern-based classification could lead to a highly accurate, efficient and interpretable classifier on complex data. The pattern-based classification technique would have great impact in a wide range of applications including text …
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Effects of frequent burning on grass-grazer interactions in a mesic savanna
… community present in an area depends on how frequently and how intensively the area is grazed. Every year, fires in these systems are altering the distribution of grazing in space and time, by altering the proportions and distributions of short, palatable grass. In my MSc I present data …
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Analyzing frequent patterns in data streams using a dynamic compact stream pattern algorithm
… online applications, devices and sources. Mining frequent patterns from these streams of data is now an important research topic in the field of data mining and knowledge discovery. The traditional approach of mining data may not be appropriate for a large volume of data stream environment where …
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The Effects of Frequent Smartphone Use on Children’s Upper Posture and Pulmonary Function
… to non-addicted girls (p=0.05). We conclude that frequent use of smartphones could negatively affect cervical posture, as well as respiratory biomechanics among boys and girls. Pulmonary dysfunction has found to be associated with FHP as a result of constant neck flexion while viewing the phone. …
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