Articoli correlati a Data Profiling
- EditoreSpringer
- Data di pubblicazione2018
- ISBN 10 3031007379
- ISBN 13 9783031007378
- RilegaturaCopertina flessibile
- LinguaInglese
- Numero edizione1
- Numero di pagine156
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Data Profiling (Synthesis Lectures on Data Management)
Da: Lucky's Textbooks, Dallas, TX, U.S.A.
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Condizione: New. Codice articolo ABLIING23Mar3113020034940
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Data Profiling
Da: Chiron Media, Wallingford, Regno Unito
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PF. Condizione: New. Codice articolo 6666-IUK-9783031007378
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Data Profiling (Synthesis Lectures on Data Management)
Da: Ria Christie Collections, Uxbridge, Regno Unito
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Condizione: New. In English. Codice articolo ria9783031007378_new
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Data Profiling
Editore:
Springer International Publishing Nov 2018, 2018
ISBN 10: 3031007379
ISBN 13: 9783031007378
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Taschenbuch
Da: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germania
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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Data profiling refers to the activity of collecting data about data, {i.e.}, metadata. Most IT professionals and researchers who work with data have engaged in data profiling, at least informally, to understand and explore an unfamiliar dataset or to determine whether a new dataset is appropriate for a particular task at hand. Data profiling results are also important in a variety of other situations, including query optimization, data integration, and data cleaning. Simple metadata are statistics, such as the number of rows and columns, schema and datatype information, the number of distinct values, statistical value distributions, and the number of null or empty values in each column. More complex types of metadata are statements about multiple columns and their correlation, such as candidate keys, functional dependencies, and other types of dependencies.This book provides a classification of the various types of profilable metadata, discusses popular data profiling tasks,and surveys state-of-the-art profiling algorithms. While most of the book focuses on tasks and algorithms for relational data profiling, we also briefly discuss systems and techniques for profiling non-relational data such as graphs and text. We conclude with a discussion of data profiling challenges and directions for future work in this area. 156 pp. Englisch. Codice articolo 9783031007378
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Data Profiling
Editore:
Springer International Publishing, 2018
ISBN 10: 3031007379
ISBN 13: 9783031007378
Nuovo
Taschenbuch
Da: AHA-BUCH GmbH, Einbeck, Germania
Valutazione del venditore 5 su 5 stelle
Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - Data profiling refers to the activity of collecting data about data, {i.e.}, metadata. Most IT professionals and researchers who work with data have engaged in data profiling, at least informally, to understand and explore an unfamiliar dataset or to determine whether a new dataset is appropriate for a particular task at hand. Data profiling results are also important in a variety of other situations, including query optimization, data integration, and data cleaning. Simple metadata are statistics, such as the number of rows and columns, schema and datatype information, the number of distinct values, statistical value distributions, and the number of null or empty values in each column. More complex types of metadata are statements about multiple columns and their correlation, such as candidate keys, functional dependencies, and other types of dependencies.This book provides a classification of the various types of profilable metadata, discusses popular data profiling tasks,and surveys state-of-the-art profiling algorithms. While most of the book focuses on tasks and algorithms for relational data profiling, we also briefly discuss systems and techniques for profiling non-relational data such as graphs and text. We conclude with a discussion of data profiling challenges and directions for future work in this area. Codice articolo 9783031007378
Quantità: 1 disponibili
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Data Profiling
ISBN 10: 3031007379
ISBN 13: 9783031007378
Nuovo
Brossura
Da: moluna, Greven, Germania
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Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Data profiling refers to the activity of collecting data about data, {i.e.}, metadata. Most IT professionals and researchers who work with data have engaged in data profiling, at least informally, to understand and explore an unfamiliar dataset or to det. Codice articolo 608129123
Quantità: Più di 20 disponibili