Triple

T7056511
Position Surface form Disambiguated ID Type / Status
Subject Halifax, Massachusetts E164104 entity
Predicate hasRailStation P726 FINISHED
Object Halifax station
Halifax station is a commuter rail stop in Halifax, Massachusetts, served by the MBTA's Kingston Line.
E638375 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: Halifax station | Statement: [Halifax, Massachusetts, hasRailStation, Halifax station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Halifax station
Context triple: [Halifax, Massachusetts, hasRailStation, Halifax station]
  • A. Halifax station
    Halifax station is the main intercity passenger rail terminal in Halifax, Nova Scotia, serving as the eastern terminus of Canada's Ocean route.
  • B. Halifax railway station
    Halifax railway station is the main passenger rail hub serving the town of Halifax in West Yorkshire, England, providing regional and intercity train connections.
  • C. Kingston station
    Kingston station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Kingston, Massachusetts, serving as a key endpoint for commuter service between the South Shore and Boston.
  • D. North Elizabeth station
    North Elizabeth station is a commuter rail stop in Elizabeth, New Jersey, served by NJ Transit trains on the Northeast Corridor Line.
  • E. Scarborough station
    Scarborough station is a commuter rail stop on the Hudson Line of the Metro-North Railroad in Westchester County, New York.
  • 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: Halifax station
Triple: [Halifax, Massachusetts, hasRailStation, Halifax station]
Generated description
Halifax station is a commuter rail stop in Halifax, Massachusetts, served by the MBTA's Kingston Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Halifax station
Target entity description: Halifax station is a commuter rail stop in Halifax, Massachusetts, served by the MBTA's Kingston Line.
  • A. Halifax station
    Halifax station is the main intercity passenger rail terminal in Halifax, Nova Scotia, serving as the eastern terminus of Canada's Ocean route.
  • B. Halifax railway station
    Halifax railway station is the main passenger rail hub serving the town of Halifax in West Yorkshire, England, providing regional and intercity train connections.
  • C. Kingston station
    Kingston station is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail stop in Kingston, Massachusetts, serving as a key endpoint for commuter service between the South Shore and Boston.
  • D. North Elizabeth station
    North Elizabeth station is a commuter rail stop in Elizabeth, New Jersey, served by NJ Transit trains on the Northeast Corridor Line.
  • E. Scarborough station
    Scarborough station is a commuter rail stop on the Hudson Line of the Metro-North Railroad in Westchester County, New York.
  • 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_69c68861678881909961ddf4d779f750 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6e269050c81908c186609a8a7bcf9 completed March 27, 2026, 8:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69c788a303148190869be2a455d28791 completed March 28, 2026, 7:52 a.m.
NEDg Description generation batch_69c7892a387c8190856eac695fbcfb02 completed March 28, 2026, 7:54 a.m.
NED2 Entity disambiguation (via description) batch_69c789bc4fa081908cf40ec8ff189b90 completed March 28, 2026, 7:56 a.m.
Created at: March 27, 2026, 2:38 p.m.