Triple

T3457967
Position Surface form Disambiguated ID Type / Status
Subject Government Center, Boston E72952 entity
Predicate hasLandmark P105 FINISHED
Object Government Center MBTA station
Government Center MBTA station is a major Boston subway hub serving the Green and Blue Lines beneath City Hall Plaza in the downtown Government Center area.
 E359823 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: Government Center MBTA station | Statement: [Government Center, Boston, hasLandmark, Government Center MBTA station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Government Center MBTA station
Context triple: [Government Center, Boston, hasLandmark, Government Center MBTA station]
  • A. MBTA Lansdowne
    MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
  • B. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • C. State Street MBTA station
    State Street MBTA station is a major downtown Boston subway stop on the Orange and Blue Lines, located near the Old State House and serving the city’s historic and financial districts.
  • D. MBTA Waverley
    MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
  • E. MBTA commuter rail terminals
    MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
  • 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: Government Center MBTA station
Triple: [Government Center, Boston, hasLandmark, Government Center MBTA station]
Generated description
Government Center MBTA station is a major Boston subway hub serving the Green and Blue Lines beneath City Hall Plaza in the downtown Government Center area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Government Center MBTA station
Target entity description: Government Center MBTA station is a major Boston subway hub serving the Green and Blue Lines beneath City Hall Plaza in the downtown Government Center area.
  • A. MBTA Lansdowne
    MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
  • B. MBTA Silver Hill station
    MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
  • C. State Street MBTA station
    State Street MBTA station is a major downtown Boston subway stop on the Orange and Blue Lines, located near the Old State House and serving the city’s historic and financial districts.
  • D. MBTA Waverley
    MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
  • E. MBTA commuter rail terminals
    MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
  • 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_69ad85b12a908190a1d10a6b03b4f8ae completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adbae36e748190bf20fd3c6de22e19 completed March 8, 2026, 6:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69b36104a1048190b6fa9f552786a85a completed March 13, 2026, 12:57 a.m.
NEDg Description generation batch_69b364c6c2f881909b72a78123cd445d completed March 13, 2026, 1:13 a.m.
NED2 Entity disambiguation (via description) batch_69b365328b188190b44d8690eaa5b12e completed March 13, 2026, 1:15 a.m.
Created at: March 8, 2026, 3:16 p.m.