Triple

T22859460
Position Surface form Disambiguated ID Type / Status
Subject Harvard, Illinois E566872 entity
Predicate hasFeature P182 FINISHED
Object Harvard Metra station NE NERFINISHED

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 Metra station | Statement: [Harvard, Illinois, hasFeature, Harvard Metra station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harvard Metra station
Context triple: [Harvard, Illinois, hasFeature, Harvard Metra station]
  • A. Harvard station
    Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
  • B. Harvard Avenue station
    Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
  • C. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • D. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • E. Uphams Corner station
    Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harvard Metra station
Target entity description: Harvard Metra station is a commuter rail station in Harvard, Illinois that serves as a terminus for Metra's Union Pacific Northwest Line connecting the town to the Chicago metropolitan area.
  • A. Harvard station
    Harvard station is a major Red Line subway and bus hub on the Massachusetts Bay Transportation Authority (MBTA) system located in Harvard Square in Cambridge, Massachusetts.
  • B. Harvard Avenue station
    Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
  • C. Savin Hill station
    Savin Hill station is a rapid transit stop on the Massachusetts Bay Transportation Authority's Red Line serving the Savin Hill neighborhood of Dorchester in Boston, Massachusetts.
  • D. Brookline Hills station
    Brookline Hills station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line in Brookline, Massachusetts, serving local commuters and nearby schools and neighborhoods.
  • E. Uphams Corner station
    Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
  • F. None of above. chosen

Provenance (2 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_69e24589083081908d5694c4fdc80086 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17ebf1838819092b2b99205a2192f completed April 29, 2026, 3:45 a.m.
Created at: April 17, 2026, 3:37 p.m.