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Full-Text Articles in Computer Engineering

A Database For Indexable Carbide Inserts, Andrew Yoder Jun 2019

A Database For Indexable Carbide Inserts, Andrew Yoder

Computer Engineering

The indexable inserts project is a collaborative effort to aggregate into a single database as many indexable carbide inserts from as many manufacturers as possible. Inserts are generally labeled with a part number following a specific standard determined by shapes and measurements, however specifications for certain aspects of carbide inserts—such as which materials they can cut—can vary by manufacturer. There currently is not a way to search a comprehensive database containing tools from multiple manufacturers for a handful of inserts that would satisfy some necessary parameters, making finding the correct tool in a shop a much more time-consuming process than …


Improving And Understanding Data Quality In Large-Scale Data Systems, Xiaolan Wang Mar 2019

Improving And Understanding Data Quality In Large-Scale Data Systems, Xiaolan Wang

Doctoral Dissertations

Systems and applications rely heavily on data, which makes data quality a critical factor for their function. In turn, low quality data can be incredibly costly and disruptive, leading to loss of revenue, incorrect conclusions, and misguided policy decisions. Improving data quality is far more than purging datasets of errors; it is more important to improve the processes that produce the data, to collect good data sources that are used for generating the data, and to truly understand the quality of the data. Therefore, the objective of this thesis is to improve and understand data quality from the above aspects. …