Triple

T8217370
Position Surface form Disambiguated ID Type / Status
Subject Kensico Dam E191968 entity
Predicate near P350 FINISHED
Object Valhalla Metro-North station
Valhalla Metro-North station is a commuter rail stop in Valhalla, New York, serving the Harlem Line with access to Midtown Manhattan and nearby Westchester County destinations.
 E723947 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: Valhalla Metro-North station | Statement: [Kensico Dam, near, Valhalla Metro-North station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Valhalla Metro-North station
Context triple: [Kensico Dam, near, Valhalla Metro-North station]
  • A. Tarrytown station
    Tarrytown station is a commuter rail stop on Metro-North Railroad’s Hudson Line serving the village of Tarrytown in Westchester County, New York.
  • B. Scarsdale station
    Scarsdale station is a commuter rail stop on the Metro-North Railroad's Harlem Line serving the village of Scarsdale in Westchester County, New York.
  • C. Chappaqua station
    Chappaqua station is a Metro-North Railroad commuter rail stop on the Harlem Line serving the hamlet of Chappaqua in Westchester County, New York.
  • D. Mamaroneck station
    Mamaroneck station is a commuter rail stop in Mamaroneck, New York, served by the Metro-North Railroad’s New Haven Line.
  • E. White Plains station
    White Plains station is a major Metro-North Railroad commuter rail hub in downtown White Plains, New York, providing frequent service to New York City and surrounding suburbs.
  • 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: Valhalla Metro-North station
Triple: [Kensico Dam, near, Valhalla Metro-North station]
Generated description
Valhalla Metro-North station is a commuter rail stop in Valhalla, New York, serving the Harlem Line with access to Midtown Manhattan and nearby Westchester County destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Valhalla Metro-North station
Target entity description: Valhalla Metro-North station is a commuter rail stop in Valhalla, New York, serving the Harlem Line with access to Midtown Manhattan and nearby Westchester County destinations.
  • A. Tarrytown station
    Tarrytown station is a commuter rail stop on Metro-North Railroad’s Hudson Line serving the village of Tarrytown in Westchester County, New York.
  • B. Scarsdale station
    Scarsdale station is a commuter rail stop on the Metro-North Railroad's Harlem Line serving the village of Scarsdale in Westchester County, New York.
  • C. Chappaqua station
    Chappaqua station is a Metro-North Railroad commuter rail stop on the Harlem Line serving the hamlet of Chappaqua in Westchester County, New York.
  • D. Mamaroneck station
    Mamaroneck station is a commuter rail stop in Mamaroneck, New York, served by the Metro-North Railroad’s New Haven Line.
  • E. White Plains station
    White Plains station is a major Metro-North Railroad commuter rail hub in downtown White Plains, New York, providing frequent service to New York City and surrounding suburbs.
  • F. None of above. chosen

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_69ca82c8c054819087fedd9a5436b8a3 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb776f41108190bed1c6a8ddbea374 completed March 31, 2026, 7:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd67dca77c8190bdae8a88648fc534 completed April 1, 2026, 6:45 p.m.
NEDg Description generation batch_69cd6d4fa17481909f28ad7eb9bceb42 completed April 1, 2026, 7:09 p.m.
NED2 Entity disambiguation (via description) batch_69cd7dd65fac8190b8f44b1cf2be7bdd completed April 1, 2026, 8:19 p.m.
Created at: March 30, 2026, 5:44 p.m.