Triple

T5157015
Position Surface form Disambiguated ID Type / Status
Subject Weston, Massachusetts E116334 entity
Predicate hasRailStation P726 FINISHED
Object Silver Hill station
Silver Hill station is a small commuter rail stop in Weston, Massachusetts, serving the MBTA Fitchburg Line.
 E498272 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Silver Hill station | Statement: [Weston, Massachusetts, hasRailStation, Silver Hill station]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Silver Hill station
Context triple: [Weston, Massachusetts, hasRailStation, Silver Hill station]
  • A. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • B. Montvale station
    Montvale station is a New Jersey Transit commuter rail stop in Montvale, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • D. Pleasantville station
    Pleasantville station is a Metro-North Railroad commuter rail stop on the Harlem Line serving the village of Pleasantville in Westchester County, New York.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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: Silver Hill station
Target entity description: Silver Hill station is a small commuter rail stop in Weston, Massachusetts, serving the MBTA Fitchburg Line.
  • A. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • B. Montvale station
    Montvale station is a New Jersey Transit commuter rail stop in Montvale, New Jersey, serving passengers on the Pascack Valley Line.
  • C. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • D. Pleasantville station
    Pleasantville station is a Metro-North Railroad commuter rail stop on the Harlem Line serving the village of Pleasantville in Westchester County, New York.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Silver Hill station
Triple: [Weston, Massachusetts, hasRailStation, Silver Hill station]
Generated description
Silver Hill station is a small commuter rail stop in Weston, Massachusetts, serving the MBTA Fitchburg Line.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69bd445d94788190b72e2cc563120995 elicitation completed
NER batch_69bd7902fbe48190abb58cb0b2b2b62d ner completed
NED1 batch_69bed0168a648190a470507802aa8934 ned_source_triple completed
NED2 batch_69bed14d7a5c8190ac5b09f59a8dda1a ned_description completed
NEDg batch_69bed0b4c8648190a151383277a8297d nedg completed
Created at: March 20, 2026, 1:44 p.m.