N.N.

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=Dynamic Behavior= A sketch of N.N.'s dynamic behavior, considerably simplified : Knowledge Bases          Processes           Knowledge Bases ┌────────────────┐    ╓────────────────╖     ┌────────────────┐ │  Prototype     │     ║  Net           ║     │ Discrimination │ │ Frames        │  ┌─►║  Interpreter   ║◄────│ Net            │ └────────────────┘ │  ╙────────────────╜     └────────────────┘     model           │      classes of           classification knowledge      │       a given             knowledge .          │      position .          │          ║         ▼           │          ▼ ┌────────────────┐  │  ╓────────────────╖     ┌────────────────┐ │  Instance      │──┘  ║  Task          ║◄────│ Action         │ │ Frames        │◄─┐  ║  Scheduler     ║  ┌──│ Scripts        │ └────────────────┘ │  ╙────────────────╜  │  └────────────────┘     position        │     trigger of       │     plan knowledge      │     appropriate      │     knowledge │    scripts          │ │         ║           │                     │          ▼           │                     │  ╓────────────────╖  │  ┌────────────────┐                     └─►║  Task          ║◄─┘  │ Concept        │ ║ Scheduler     ║────►│ Tree           │ ╙────────────────╜    └────────────────┘                          concretization          concrete plan of scripts
 * ──► information flow
 * ══► control flow
 * ··► inheritance

=Etymology= "N. N." is commonly used in the notation of chess games, not only when one participant's name is genuinely unknown but when an untitled player faces a master, as in a simultaneous exhibition. Another reason is to protect a known player from the insult of a painful defeat.

=See also=
 * Acronym
 * Planning

=Publications=
 * Kai von Luck, Bernd Owsnicki (1981). Structures for Knowledge-Based Chess Programs. in Siekmann (Ed.), Proc. of GWAI-81
 * Kai von Luck, Bernd Owsnicki (1982). N.N.: A View of Planning in Chess. in Wahlster (Ed.), Proc. of GWAI-82
 * Bernd Owsnicki (1985). Repräsentation von positionellem Schachwissen mit Techniken der künstlichen Intelligenz. Ph.D. thesis, University of Hamburg (German)
 * Kai von Luck (1985). Aspekte wissensgestützter Planung. Ph.D. thesis, University of Hamburg (German)
 * Bernd Owsnicki, Kai von Luck (1986). N.N.: A Case Study in Chess Knowledge Representation. Advances in Computer Chess 4

=External Links=
 * Nomen nescio from Wikipedia
 * nomen nescio - Wiktionary
 * No Name from Wikipedia

=References=

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