Triple

T2134882
Position Surface form Disambiguated ID Type / Status
Subject Harlem Line E46626 entity
Predicate nonElectrifiedSection P21804 FINISHED
Object Southeast – Wassaic
Southeast – Wassaic is the northern, diesel-operated stretch of Metro-North Railroad’s Harlem Line running through rural eastern New York.
 E89131 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: Southeast – Wassaic | Statement: [Harlem Line, nonElectrifiedSection, Southeast – Wassaic]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southeast – Wassaic
Context triple: [Harlem Line, nonElectrifiedSection, Southeast – Wassaic]
  • A. North Coast
    North Coast is a coastal region of New South Wales, Australia, known for its beaches, subtropical climate, and popular holiday destinations.
  • B. Wassaic
    Wassaic is a small hamlet in Dutchess County, New York, known for its rural setting, historic architecture, and the Wassaic Project arts organization.
  • C. South Shore
    South Shore is a coastal suburban region south of Boston, Massachusetts, known for its residential communities, beaches, and commuter access to the city.
  • D. Southwestern Connecticut
    Southwestern Connecticut is a suburban coastal region of the state, encompassing affluent commuter communities along Long Island Sound within the New York metropolitan area.
  • E. North East, New York
    North East, New York is a rural town in northeastern Dutchess County known for its agricultural landscape, small hamlets like Millerton, and proximity to the Connecticut and Massachusetts borders.
  • 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: Southeast – Wassaic
Triple: [Harlem Line, nonElectrifiedSection, Southeast – Wassaic]
Generated description
Southeast – Wassaic is the northern, diesel-operated stretch of Metro-North Railroad’s Harlem Line running through rural eastern New York.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Southeast – Wassaic
Target entity description: Southeast – Wassaic is the northern, diesel-operated stretch of Metro-North Railroad’s Harlem Line running through rural eastern New York.
  • A. North Coast
    North Coast is a coastal region of New South Wales, Australia, known for its beaches, subtropical climate, and popular holiday destinations.
  • B. Wassaic chosen
    Wassaic is a small hamlet in Dutchess County, New York, known for its rural setting, historic architecture, and the Wassaic Project arts organization.
  • C. South Shore
    South Shore is a coastal suburban region south of Boston, Massachusetts, known for its residential communities, beaches, and commuter access to the city.
  • D. Southwestern Connecticut
    Southwestern Connecticut is a suburban coastal region of the state, encompassing affluent commuter communities along Long Island Sound within the New York metropolitan area.
  • E. North East, New York
    North East, New York is a rural town in northeastern Dutchess County known for its agricultural landscape, small hamlets like Millerton, and proximity to the Connecticut and Massachusetts borders.
  • F. None of above.

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_69a88a174ab48190a5db20c132e5dccf completed March 4, 2026, 7:37 p.m.
NER Named-entity recognition batch_69abbba34b44819083ed6d93c943439f completed March 7, 2026, 5:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae51aa86ec8190acf86ac6b26ce4f1 completed March 9, 2026, 4:50 a.m.
NEDg Description generation batch_69ae5279fb2c8190ac78023ad2974dfb completed March 9, 2026, 4:54 a.m.
NED2 Entity disambiguation (via description) batch_69ae52e94ef8819093b4070175a877e1 completed March 9, 2026, 4:56 a.m.
Created at: March 4, 2026, 7:44 p.m.