Triple

T5814407
Position Surface form Disambiguated ID Type / Status
Subject Metra Union Pacific Northwest Line E128947 entity
Predicate suburbanTerminus P1866 FINISHED
Object Harvard E566872 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: Harvard | Statement: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harvard
Context triple: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
  • A. Harvard chosen
    Harvard is a small city in McHenry County, Illinois, known as the northwestern terminus of Chicago’s Metra commuter rail service.
  • B. Harvard University
    Harvard University is a prestigious private Ivy League research university in Cambridge, Massachusetts, renowned for its academic excellence, influential alumni, and historic leadership in higher education.
  • C. Yale
    Yale is a widely used romanization system for Cantonese Chinese that represents Cantonese sounds with the Latin alphabet.
  • D. Yale University
    Yale University is an Ivy League research university in New Haven, Connecticut, renowned for its prestigious academic programs, historic campus, and influential alumni.
  • E. Harvard Graduate School of Arts and Sciences
    The Harvard Graduate School of Arts and Sciences is Harvard University's primary graduate school for advanced study and research in the arts, humanities, social sciences, and natural sciences.
  • 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: suburbanTerminus
Context triple: [Metra Union Pacific Northwest Line, suburbanTerminus, Harvard]
  • A. isSuburbanStationOf
    Indicates that a station is located in a suburban area and functionally serves as a subsidiary or outlying station of a main or central station.
  • B. suburbanBelt
    Indicates that one area forms a suburban belt or ring surrounding another, typically as a zone of residential or peripheral development around a core urban center.
  • C. terminusCity chosen
    Indicates that a transportation route or service ends or has its final stop in a particular city.
  • D. isSuburbanRouteOf
    Indicates that a given route functions as a suburban segment or service line belonging to, or operating as part of, a larger primary route or network.
  • E. suburb
    Indicates that one place is a residential district or outlying area that is part of or adjacent to a larger city or town.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0400f1af881908d376ea4793f6dea completed March 22, 2026, 7:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69c124ef1c3c8190a2302fc0ce9b8324 completed March 23, 2026, 11:33 a.m.
PD Predicate disambiguation batch_69c0333fdd7081908d829265caa2ac11 completed March 22, 2026, 6:21 p.m.
Created at: March 22, 2026, 3:53 p.m.