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Flashcards on Data Concepts, Big Data, and Open Data

Data Concepts, Big Data & Open Data: A Student's Guide

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What does the term "open" mean in the context of open data?

It means that anyone can freely access, use, modify, and share the data for any purpose (at most, with requirements for preserving provenance and open

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Open data

17 cards

Card 1

Question: What does the term "open" mean in the context of open data?

Answer: It means that anyone can freely access, use, modify, and share the data for any purpose (at most, with requirements for preserving provenance and open

Card 2

Question: How is "open data" defined in the presentation?

Answer: Digital data made available with technical and legal characteristics that allow anyone to freely use, reuse, and redistribute it, anytime, anywhere.

Card 3

Question: Who typically publishes open data?

Answer: Government and public organizations (ministries, municipalities), non-profit organizations, and international organizations (e.g., World Bank, UN, OEC

Card 4

Question: Provide examples of typical open data formats mentioned in the material.

Answer: CSV, JSON, GeoJSON, KML, XML, PDF, RDF, and also data available via APIs.

Card 5

Question: What is Tim Berners-Lee's 5-star Open Data model?

Answer: A series of steps to improve openness: 1★ make data available on the web under an open license; 2★ provide structured data; 3★ use a non-proprietary f

Card 6

Question: What is the difference between 2★ and 3★ in the 5-star model?

Answer: 2★ means structured data (e.g., Excel instead of a scanned table), while 3★ means using a non-proprietary open format (e.g., CSV instead of Excel).

Card 7

Question: What does 4★ mean in the 5-star model?

Answer: It means using URIs to identify things so that others can link to them.

Card 8

Question: What does 5★ represent in the 5-star model?

Answer: It represents linking your data to other data, which provides context and greater utility.

Card 9

Question: Which Czech open data portals are mentioned?

Answer: https://data.gov.cz, https://data.gov.cz/datové-sady, and https://opendata.gov.cz.

Card 10

Question: Which law in the Czech Republic is related to information provision and open data?

Answer: The Act on Free Access to Information (106/1999 Coll.).