Triple

T2074845
Position Surface form Disambiguated ID Type / Status
Subject HP calculators E44898 entity
Predicate notableFor P22 FINISHED
Object Reverse Polish Notation
Reverse Polish Notation is a mathematical expression format that places operators after their operands, eliminating the need for parentheses and simplifying stack-based computation.
 E232845 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Reverse Polish Notation | Statement: [HP calculators, notableFor, Reverse Polish Notation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Reverse Polish Notation
Context triple: [HP calculators, notableFor, Reverse Polish Notation]
  • A. shunting-yard algorithm
    The shunting-yard algorithm is a method for parsing mathematical expressions and converting infix notation to postfix (or prefix) form using a stack-based procedure.
  • B. Knuth’s up-arrow notation
    Knuth’s up-arrow notation is a mathematical notation introduced by Donald Knuth to concisely represent very large integers using iterated exponentiation and its higher-order generalizations.
  • C. Peano notation
    Peano notation is a formal symbolic system for representing natural numbers and arithmetic operations using axioms and successor functions, developed by Giuseppe Peano.
  • D. Mathematike Syntaxis
    Mathematike Syntaxis, better known by its later Arabic-derived title Almagest, is Ptolemy’s foundational astronomical treatise that systematically presents the geocentric model of the cosmos and dominated Western and Islamic astronomy for over a millennium.
  • E. Backus–Naur Form
    Backus–Naur Form is a formal notation used to define the syntax of programming languages and other formal grammars in a precise, structured way.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Reverse Polish Notation
Triple: [HP calculators, notableFor, Reverse Polish Notation]
Generated description
Reverse Polish Notation is a mathematical expression format that places operators after their operands, eliminating the need for parentheses and simplifying stack-based computation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Reverse Polish Notation
Target entity description: Reverse Polish Notation is a mathematical expression format that places operators after their operands, eliminating the need for parentheses and simplifying stack-based computation.
  • A. shunting-yard algorithm
    The shunting-yard algorithm is a method for parsing mathematical expressions and converting infix notation to postfix (or prefix) form using a stack-based procedure.
  • B. Knuth’s up-arrow notation
    Knuth’s up-arrow notation is a mathematical notation introduced by Donald Knuth to concisely represent very large integers using iterated exponentiation and its higher-order generalizations.
  • C. Peano notation
    Peano notation is a formal symbolic system for representing natural numbers and arithmetic operations using axioms and successor functions, developed by Giuseppe Peano.
  • D. Mathematike Syntaxis
    Mathematike Syntaxis, better known by its later Arabic-derived title Almagest, is Ptolemy’s foundational astronomical treatise that systematically presents the geocentric model of the cosmos and dominated Western and Islamic astronomy for over a millennium.
  • E. Backus–Naur Form
    Backus–Naur Form is a formal notation used to define the syntax of programming languages and other formal grammars in a precise, structured way.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a88916c2b48190a5ca2e9b12cad3ed completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abba116ea0819086d16c3913159e9e completed March 7, 2026, 5:39 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae2730d2548190b51dc61520981ca0 completed March 9, 2026, 1:49 a.m.
NEDg Description generation batch_69ae27e4a6f88190a6af44f2cc822f31 completed March 9, 2026, 1:52 a.m.
NED2 Entity disambiguation (via description) batch_69ae2876710c81909451744f48337998 completed March 9, 2026, 1:55 a.m.
Created at: March 4, 2026, 7:41 p.m.