Lesson plan

Parameter Value Language

In computer programming, Parameter Value Language (PVL) is a markup language similar to XML. It is commonly employed for entries in the Planetary Database System used by NASA to store mission data, among other uses. There are at least two "dialects" – USGS Isis Cube Label and NASA PDS 3 Label.

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Article summary

In computer programming, Parameter Value Language (PVL) is a markup language similar to XML. It is commonly employed for entries in the Planetary Database System used by NASA to store mission data, among other uses. There are at least two "dialects" – USGS Isis Cube Label and NASA PDS 3 Label.

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.