Results 11 to 20 of about 24,118,381 (294)

Cleaning Data with OpenRefine

open access: yesThe Programming Historian, 2013
Duplicate records, empty values and inconsistent formats are phenomena we should be prepared to deal with when using historical data sets. This lesson will teach you how to discover inconsistencies in data contained within a spreadsheet or a database. As
Seth van Hooland   +2 more
doaj   +1 more source

Measuring the effect of enhanced cleaning in a UK hospital : a prospective cross-over study [PDF]

open access: yes, 2009
Increasing hospital-acquired infections have generated much attention over the last decade. There is evidence that hygienic cleaning has a role in the control of hospital-acquired infections.
Dancer, Stephanie J.   +4 more
core   +5 more sources

Interval model of a wind turbine power curve

open access: yesFrontiers in Energy Research, 2023
The wind turbine power curve model is critical to a wind turbine’s power prediction and performance analysis. However, abnormal data in the training set decrease the prediction accuracy of trained models.
Kai Zhou   +9 more
doaj   +1 more source

The Role of Metadata for Effective Data Warehouse [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
Metadata efficient method for managing Data Warehouse (DW). It is also an effective tool in reducing the time or speed to answer queries. In addition, it achieved capabilities of the integration and standardization, thus lead to faster, clear and ...
Alaa Abdulqahar Jihad, Murtadha M. Hamad
doaj   +1 more source

A Benchmark for Data Imputation Methods

open access: yesFrontiers in Big Data, 2021
With the increasing importance and complexity of data pipelines, data quality became one of the key challenges in modern software applications. The importance of data quality has been recognized beyond the field of data engineering and database ...
Sebastian Jäger   +2 more
doaj   +1 more source

Time-Series Data Cleaning User Interface

open access: yes
A general-purpose time-series data cleaning user interfaceIf you use this software, please cite it as ...
Kovács, Márton
core   +3 more sources

Comparision of Constant-Span and Influence Line Methods for Long-Span Bridge Load Calculations

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2016
Traffic load models available in building standards are most often developed for short or medium span bridges, however, it is necessary to develop traffic load models just for long span bridges, because the most unfavourable traffic situations are ...
Ainars Paeglitis, Andris Freimanis
doaj   +1 more source

Cleaning data with Swipe

open access: yesJournal of Data and Information Quality
The repair problem for functional dependencies is the problem where an input database needs to be modified such that all functional dependencies are satisfied and the difference with the original database is minimal. The output database is then called a minimal-cost repair .
Toon Boeckling, Antoon Bronselaer
openaire   +3 more sources

Detective Gadget: Generic Iterative Entity Resolution over Dirty Data

open access: yesData
In the era of Big Data, entity resolution (ER), i.e., the process of identifying which records refer to the same entity in the real world, plays a critical role in data-integration tasks, especially in mission-critical applications where accuracy is ...
Marcello Buoncristiano   +3 more
doaj   +1 more source

Data Cleaning of Data Streams

open access: yesCoRR
Streaming data can arise from a variety of contexts. Important use cases are continuous sensor measurements such as temperature, light or radiation values. In the process, streaming data may also contain data errors that should be cleaned before further use. Many studies from science and practice focus on data cleaning in a static context.
Valerie Restat   +3 more
openaire   +2 more sources

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