Terminal Symbol

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A Terminal Symbol is an abstract symbol from a terminal symbol set that can be used to generate a formal sentence.



References

2016

2009

2007

  • (Kakkonen, 2007) ⇒ Tuomo Kakkonen. (2007). “Framework and Resources for Natural Language Evaluation." Academic Dissertation. University of Joensuu.
    • Definition 3-1. Symbol, terminal and alphabet.
      • A symbol is a distinguishable character, such as “a”, “b” or “c”.
      • Any permissible sequence of symbols is called a terminal (also referred to as a word).
      • A finite, nonempty set ∑ of terminals is called an alphabet.
    • Definition 3-2. String and sets of strings.
      • Let Σ be an alphabet.
      • A finite sequence of symbols S=(x1 x2… xn), n≥0, x∈Σ is called a string in alphabet Σ.