Triple

T22216801
Position Surface form Disambiguated ID Type / Status
Subject UP-NW E549093 entity
Predicate servesRegion P82 FINISHED
Object McHenry branch corridor — 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: McHenry branch corridor | Statement: [UP-NW, servesRegion, McHenry branch corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: McHenry branch corridor
Context triple: [UP-NW, servesRegion, McHenry branch corridor]
  • A. South Side Elevated branch
    The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
  • B. Gladstone Branch
    The Gladstone Branch is a commuter rail line in New Jersey that provides service between Gladstone and Hoboken/New York as part of NJ Transit's Morris & Essex Lines network.
  • C. Skokie Valley corridor
    The Skokie Valley corridor is a transportation and development corridor in the northern Chicago suburbs, historically aligned with former rail and interurban routes and now used for roads, transit, and utility infrastructure.
  • D. Aurora Branch
    Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
  • E. Green Line Lake Street branch
    The Green Line Lake Street branch is a segment of Boston’s MBTA Green Line light rail system that runs primarily along Beacon Street and serves neighborhoods in Brookline and 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: McHenry branch corridor
Target entity description: The McHenry branch corridor is a commuter rail service area in the Chicago metropolitan region formerly served by Metra’s Union Pacific Northwest Line.
  • A. South Side Elevated branch
    The South Side Elevated branch is a historic segment of Chicago's rapid transit system that serves the city's South Side as part of the Chicago "L" network.
  • B. Gladstone Branch
    The Gladstone Branch is a commuter rail line in New Jersey that provides service between Gladstone and Hoboken/New York as part of NJ Transit's Morris & Essex Lines network.
  • C. Skokie Valley corridor chosen
    The Skokie Valley corridor is a transportation and development corridor in the northern Chicago suburbs, historically aligned with former rail and interurban routes and now used for roads, transit, and utility infrastructure.
  • D. Aurora Branch
    Aurora Branch is a segment of the Illinois Prairie Path, a multi-use recreational trail in northeastern Illinois that extends toward the city of Aurora.
  • E. Green Line Lake Street branch
    The Green Line Lake Street branch is a segment of Boston’s MBTA Green Line light rail system that runs primarily along Beacon Street and serves neighborhoods in Brookline and Boston.
  • F. None of above.

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_69e11e3f7e04819089806d81d5ac431e completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8c9d488190a59f571862997304 completed April 28, 2026, 9:50 p.m.
Created at: April 16, 2026, 8:37 p.m.