Triple

T1642715
Position Surface form Disambiguated ID Type / Status
Subject MBTA bus route 111 E35508 entity
Predicate terminus P388 FINISHED
Object Haymarket Station
Haymarket Station is a major MBTA transit hub in downtown Boston serving both subway lines and numerous bus routes.
 E186604 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: Haymarket Station | Statement: [MBTA bus route 111, terminus, Haymarket Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Haymarket Station
Context triple: [MBTA bus route 111, terminus, Haymarket Station]
  • A. Haymarket
    Haymarket is a small historic town in Prince William County, Northern Virginia, known for its quaint downtown and proximity to Washington, D.C.
  • B. Haymarket Metro station
    Haymarket Metro station is a key underground station on the Tyne and Wear Metro network serving central Newcastle upon Tyne.
  • C. Haymarket railway station
    Haymarket railway station is a major rail hub in Edinburgh, Scotland, serving as a key interchange for local, regional, and long-distance train services.
  • D. Haymarket affair
    The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
  • E. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • 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: Haymarket Station
Triple: [MBTA bus route 111, terminus, Haymarket Station]
Generated description
Haymarket Station is a major MBTA transit hub in downtown Boston serving both subway lines and numerous bus routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Haymarket Station
Target entity description: Haymarket Station is a major MBTA transit hub in downtown Boston serving both subway lines and numerous bus routes.
  • A. Haymarket
    Haymarket is a small historic town in Prince William County, Northern Virginia, known for its quaint downtown and proximity to Washington, D.C.
  • B. Haymarket Metro station
    Haymarket Metro station is a key underground station on the Tyne and Wear Metro network serving central Newcastle upon Tyne.
  • C. Haymarket railway station
    Haymarket railway station is a major rail hub in Edinburgh, Scotland, serving as a key interchange for local, regional, and long-distance train services.
  • D. Haymarket affair
    The Haymarket affair was an 1886 labor protest and bombing in Chicago that became a pivotal moment in the history of workers’ rights and the labor movement in the United States.
  • E. Chicago Union Station
    Chicago Union Station is a major intercity and commuter rail terminal in downtown Chicago that serves as a central hub for Amtrak and regional rail services.
  • 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_69a88604618c81908b41f6429c431eb6 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69a90a3f4d8c8190aa0a44d1c9b1a7f0 completed March 5, 2026, 4:44 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad60a0096c81909dc723d0db95481e completed March 8, 2026, 11:42 a.m.
NEDg Description generation batch_69ad620fe35481909bf4751001e29161 completed March 8, 2026, 11:48 a.m.
NED2 Entity disambiguation (via description) batch_69ad626d42388190b6a961a84333bd21 completed March 8, 2026, 11:50 a.m.
Created at: March 4, 2026, 7:28 p.m.