Triple

T10709265
Position Surface form Disambiguated ID Type / Status
Subject Red Line (Chicago "L") E252488 entity
Predicate elevatedSection P31686 FINISHED
Object North Side Main Line E104833 NE FINISHED

How this triple was built (3 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: North Side Main Line | Statement: [Red Line (Chicago "L"), elevatedSection, North Side Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North Side Main Line
Context triple: [Red Line (Chicago "L"), elevatedSection, North Side Main Line]
  • A. North Side Main Line chosen
    The North Side Main Line was a historic elevated rapid transit route in Chicago that formed a key part of the early "L" system and later evolved into segments of today’s Red Line.
  • B. South Side Main Line
    The South Side Main Line is a key elevated rapid transit corridor on Chicago's 'L' system that carries multiple Green Line services through the city's South Side.
  • C. The Main Line
    "The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
  • D. Dyre Avenue Line
    The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
  • E. Myrtle Avenue Line
    The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: elevatedSection
Context triple: [Red Line (Chicago "L"), elevatedSection, North Side Main Line]
  • A. notableElevatedSection
    Indicates that a particular segment or portion of something is raised or elevated relative to its surroundings in a way that is especially significant or noteworthy.
  • B. elevatedFeature chosen
    Indicates that one feature or element is positioned or raised higher relative to another reference level or surrounding context.
  • C. elevatedTo
    Indicates that one entity is promoted or raised to a higher rank, status, position, or level relative to another.
  • D. titleAfterElevation
    Indicates the formal title or designation an entity receives following a promotion, elevation in rank, or change in status.
  • E. notableSection
    Indicates that a particular part or segment of something is especially important, prominent, or worthy of attention within the whole.
  • F. None of above.

Provenance (4 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_69d6aa5cbabc8190973e683950d89faf completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d6fe5063bc8190ba12fd68a59c9a03 completed April 9, 2026, 1:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69d9990f220081909dae41bcec8b4768 completed April 11, 2026, 12:42 a.m.
PD Predicate disambiguation batch_69d6f30455888190b77f476b8418eaee completed April 9, 2026, 12:29 a.m.
Created at: April 8, 2026, 9:13 p.m.