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Everything about Question mark

Typographic character indicating a question (?)

The question mark ? is a punctuation mark that indicates a question or interrogative clause or phrase in many languages. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Question markA 5-minute orientation
  2. Skim a recent paper: NuScenes-QA: A Multi-Modal Visual Question Answering Benchmark for Autonomous Driving ScenarioInfluential work since 2022
  3. Pick up a classic book: Eats, Shoots & LeavesThe most-reprinted book on the subject
  4. Read the landmark paper: Natural Questions: A Benchmark for Question Answering ResearchCited 1,165 times
  5. Go sideways: Upside-down question and exclamation marksA closely related topic
  6. Go sideways: PunctuationA closely related topic

📖 Definitions

Noun The punctuation mark "?", used at the end of a sentence to indicate a question.

Noun A state of doubt or uncertainty.

Noun An enigmatic, inscrutable, or mysterious person or thing; an enigma, a riddle.

Noun Polygonia interrogationis, a North American nymphalid butterfly with a silver mark on the underside of its hindwing resembling a question mark (sense 1).

🗂️ The subject at a glance

  1. History
  2. Scope
  3. In other languages and scripts
  4. Percontation point
  5. Typological variants of ?
  6. Unicode
  7. Computing
  8. Games
  9. Linguistics
  10. Mathematics and formal logic
  11. Medicine

🏆 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