Triple

T5002819
Position Surface form Disambiguated ID Type / Status
Subject Sergei Rachmaninoff E112412 entity
Predicate notableWork P4 FINISHED
Object Piano Concerto No. 2 in C minor, Op. 18
Piano Concerto No. 2 in C minor, Op. 18 is one of Sergei Rachmaninoff’s most celebrated Romantic piano concertos, renowned for its sweeping melodies, rich harmonies, and virtuosic piano writing.
 E485987 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: Piano Concerto No. 2 in C minor, Op. 18 | Statement: [Sergei Rachmaninoff, notableWork, Piano Concerto No. 2 in C minor, Op. 18]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Piano Concerto No. 2 in C minor, Op. 18
Context triple: [Sergei Rachmaninoff, notableWork, Piano Concerto No. 2 in C minor, Op. 18]
  • A. Piano Concerto No. 2 in D minor, Op. 40
    Piano Concerto No. 2 in D minor, Op. 40 is a Romantic-era concerto for piano and orchestra by Felix Mendelssohn, known for its virtuosic solo writing and lyrical, expressive character.
  • B. Piano Concerto No. 2 in B-flat major, Op. 83
    Piano Concerto No. 2 in B-flat major, Op. 83 is a grand, four-movement Romantic concerto for piano and orchestra by Johannes Brahms, renowned for its symphonic scale, technical demands, and lyrical depth.
  • C. Piano Concerto in A minor, Op. 54
    The Piano Concerto in A minor, Op. 54 is a Romantic-era concerto by Robert Schumann celebrated for its lyrical integration of piano and orchestra and its expressive, poetic character.
  • D. Piano Concerto in A minor, Op. 7
    Piano Concerto in A minor, Op. 7 is Clara Schumann’s youthful Romantic concerto for piano and orchestra, admired for its expressive lyricism and remarkable compositional maturity.
  • E. Piano Concerto, Op. 38
    Piano Concerto, Op. 38 is a 1962 virtuosic concerto for piano and orchestra by American composer Samuel Barber, noted for its lyrical intensity and modern yet accessible harmonic language.
  • 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: Piano Concerto No. 2 in C minor, Op. 18
Triple: [Sergei Rachmaninoff, notableWork, Piano Concerto No. 2 in C minor, Op. 18]
Generated description
Piano Concerto No. 2 in C minor, Op. 18 is one of Sergei Rachmaninoff’s most celebrated Romantic piano concertos, renowned for its sweeping melodies, rich harmonies, and virtuosic piano writing.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Piano Concerto No. 2 in C minor, Op. 18
Target entity description: Piano Concerto No. 2 in C minor, Op. 18 is one of Sergei Rachmaninoff’s most celebrated Romantic piano concertos, renowned for its sweeping melodies, rich harmonies, and virtuosic piano writing.
  • A. Piano Concerto No. 2 in D minor, Op. 40
    Piano Concerto No. 2 in D minor, Op. 40 is a Romantic-era concerto for piano and orchestra by Felix Mendelssohn, known for its virtuosic solo writing and lyrical, expressive character.
  • B. Piano Concerto No. 2 in B-flat major, Op. 83
    Piano Concerto No. 2 in B-flat major, Op. 83 is a grand, four-movement Romantic concerto for piano and orchestra by Johannes Brahms, renowned for its symphonic scale, technical demands, and lyrical depth.
  • C. Piano Concerto in A minor, Op. 54
    The Piano Concerto in A minor, Op. 54 is a Romantic-era concerto by Robert Schumann celebrated for its lyrical integration of piano and orchestra and its expressive, poetic character.
  • D. Piano Concerto in A minor, Op. 7
    Piano Concerto in A minor, Op. 7 is Clara Schumann’s youthful Romantic concerto for piano and orchestra, admired for its expressive lyricism and remarkable compositional maturity.
  • E. Piano Concerto, Op. 38
    Piano Concerto, Op. 38 is a 1962 virtuosic concerto for piano and orchestra by American composer Samuel Barber, noted for its lyrical intensity and modern yet accessible harmonic language.
  • 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_69bd4433d0b08190877e83959ef40d81 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd72c062d08190b755fa7461839f52 completed March 20, 2026, 4:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69be92598ff88190b63a589524180272 completed March 21, 2026, 12:43 p.m.
NEDg Description generation batch_69be9323c5fc819084a4dbf59bab24cd completed March 21, 2026, 12:46 p.m.
NED2 Entity disambiguation (via description) batch_69be93bafdbc8190b7add3fbcc33a317 completed March 21, 2026, 12:48 p.m.
Created at: March 20, 2026, 1:35 p.m.