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Lernmaterialien für Big Data Management an der Johannes Kepler Universität Linz

Greife auf kostenlose Karteikarten, Zusammenfassungen, Übungsaufgaben und Altklausuren für deinen Big Data Management Kurs an der Johannes Kepler Universität Linz zu.

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What is Big Data? 
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  • digital trace generated in digital era
  • capability to manage huge volume of data
  • high-volume, high-velocity, high-variety information assets
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TESTE DEIN WISSEN
Which different sources are there for big data? 
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  • documents
  • archives
  • media
  • business app
  • social media 
  • public web
  • data storage
  • machine logs
  • sensor data
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What is the structuredness of big data? 
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  • structured (relational databases) 
  • unstructured (social media) 
  • semi-structured (JSON) 
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TESTE DEIN WISSEN
What are big data softwares capable of? 
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TESTE DEIN WISSEN
  • integration
  • data analysis and visualization
  • cloud computing
  • security
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TESTE DEIN WISSEN
What's the definition for data science? 
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TESTE DEIN WISSEN
  • analyze and understand actual phenomena with data
  • applies the scientific method
  • combines tools from statistics and computer science with domain-specific knowledge
Lösung ausblenden
TESTE DEIN WISSEN
What's the difference between data and information? 
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TESTE DEIN WISSEN
  • Data are raw facts, text and numbers which are unorganized, generated by records and observations without context. 
  • Information are facts concerning a particular subject refined by processing, it is refined data which is organized, is obtained by analysis and has a context. 
Lösung ausblenden
TESTE DEIN WISSEN
What does the data science pipeline look like? 
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TESTE DEIN WISSEN
  • import
  • tidy
  • transform
  • visualize
  • model
  • communicate
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TESTE DEIN WISSEN
How many bits make 1 byte? 
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TESTE DEIN WISSEN
8 bits = 1 byte
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TESTE DEIN WISSEN
What does bit mean? 
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TESTE DEIN WISSEN
binary digit
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TESTE DEIN WISSEN
Describe the boolean data types and its basic operations! 
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TESTE DEIN WISSEN
  • represent truth values of logic and boolean algebra
  • two values (TRUE=1 and FALSE=0)
  • three basic operations
conjunction (AND) ^
disjunction (OR) v
negation (NOT) ¬
Lösung ausblenden
TESTE DEIN WISSEN
What is the main difference between lists and atomic vectors in R? 
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TESTE DEIN WISSEN
Vectors can only contain the same type of data, lists can contain different types of data. 
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What are the five V's? 
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  • Velocity 
  • Volume 
  • Value 
  • Variety 
  • Veracity
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  • 64633 Karteikarten
  • 1188 Studierende
  • 50 Lernmaterialien

Beispielhafte Karteikarten für deinen Big Data Management Kurs an der Johannes Kepler Universität Linz - von Kommilitonen auf StudySmarter erstellt!

Q:
What is Big Data? 
A:
  • digital trace generated in digital era
  • capability to manage huge volume of data
  • high-volume, high-velocity, high-variety information assets
Q:
Which different sources are there for big data? 
A:
  • documents
  • archives
  • media
  • business app
  • social media 
  • public web
  • data storage
  • machine logs
  • sensor data
Q:
What is the structuredness of big data? 
A:
  • structured (relational databases) 
  • unstructured (social media) 
  • semi-structured (JSON) 
Q:
What are big data softwares capable of? 
A:
  • integration
  • data analysis and visualization
  • cloud computing
  • security
Q:
What's the definition for data science? 
A:
  • analyze and understand actual phenomena with data
  • applies the scientific method
  • combines tools from statistics and computer science with domain-specific knowledge
Mehr Karteikarten anzeigen
Q:
What's the difference between data and information? 
A:
  • Data are raw facts, text and numbers which are unorganized, generated by records and observations without context. 
  • Information are facts concerning a particular subject refined by processing, it is refined data which is organized, is obtained by analysis and has a context. 
Q:
What does the data science pipeline look like? 
A:
  • import
  • tidy
  • transform
  • visualize
  • model
  • communicate
Q:
How many bits make 1 byte? 
A:
8 bits = 1 byte
Q:
What does bit mean? 
A:
binary digit
Q:
Describe the boolean data types and its basic operations! 
A:
  • represent truth values of logic and boolean algebra
  • two values (TRUE=1 and FALSE=0)
  • three basic operations
conjunction (AND) ^
disjunction (OR) v
negation (NOT) ¬
Q:
What is the main difference between lists and atomic vectors in R? 
A:
Vectors can only contain the same type of data, lists can contain different types of data. 
Q:
What are the five V's? 
A:
  • Velocity 
  • Volume 
  • Value 
  • Variety 
  • Veracity
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