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Everything about Geography Markup Language

XML grammar for geographical features

The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic transactions on the Internet. Key to GML's utility is its ability to integrate all forms of geographic information, including not only conventional "vector" or discrete objects, but also coverages and sensor data. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Geography Markup LanguageA 5-minute orientation
  2. Skim a recent paper: Sustainability and efficiency analysis of 42 countries: Super SBM-DEA model and the GML productivity index with undesirable outputsInfluential work since 2022
  3. Pick up a classic book: Composing documents-- languageThe most-reprinted book on the subject
  4. Read the landmark paper: A Comparison of GCV and GML for Choosing the Smoothing Parameter in the Generalized Spline Smoothing ProblemCited 355 times
  5. Go sideways: Keyhole Markup LanguageA closely related topic
  6. Go sideways: Coverage dataA closely related topic

📖 Definitions

Symbol ISO 639-3 language code for Middle Low German.

🗂️ The subject at a glance

  1. GML model
  2. Examples
  3. History
  4. Standards

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics