Triple

T7403256
Position Surface form Disambiguated ID Type / Status
Subject City Hall Plaza E170801 entity
Predicate near P350 FINISHED
Object Boston City Hall subway station
Boston City Hall subway station is a public transit stop in downtown Boston that serves as a key access point to the civic and government center area.
 E661832 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: Boston City Hall subway station | Statement: [City Hall Plaza, near, Boston City Hall subway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Boston City Hall subway station
Context triple: [City Hall Plaza, near, Boston City Hall subway station]
  • A. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • B. Beacon Hill light rail station
    Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
  • C. MBTA North Station
    MBTA North Station is a major Boston transportation hub that serves as a key terminal for MBTA subway and commuter rail lines as well as Amtrak services.
  • D. Back Bay station
    Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
  • E. MBTA Aquarium station
    MBTA Aquarium station is an underground subway stop on Boston’s Blue Line located near the New England Aquarium and the downtown waterfront.
  • 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: Boston City Hall subway station
Triple: [City Hall Plaza, near, Boston City Hall subway station]
Generated description
Boston City Hall subway station is a public transit stop in downtown Boston that serves as a key access point to the civic and government center area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Boston City Hall subway station
Target entity description: Boston City Hall subway station is a public transit stop in downtown Boston that serves as a key access point to the civic and government center area.
  • A. MBTA State Street station
    MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
  • B. Beacon Hill light rail station
    Beacon Hill light rail station is an underground Link light rail stop in Seattle, Washington, serving the Beacon Hill neighborhood with rapid transit connections to downtown and other parts of the city.
  • C. MBTA North Station
    MBTA North Station is a major Boston transportation hub that serves as a key terminal for MBTA subway and commuter rail lines as well as Amtrak services.
  • D. Back Bay station
    Back Bay station is a major transportation hub in Boston, Massachusetts, serving MBTA commuter rail, Amtrak, and subway lines in the Back Bay neighborhood.
  • E. MBTA Aquarium station
    MBTA Aquarium station is an underground subway stop on Boston’s Blue Line located near the New England Aquarium and the downtown waterfront.
  • 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_69c68a6010108190925e5284de022660 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f26ea27c8190a55e0e0314b463d8 completed March 27, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c81110d7648190a8938db7061be454 completed March 28, 2026, 5:34 p.m.
NEDg Description generation batch_69c812b0b534819095dd2ae63ca7b2d0 completed March 28, 2026, 5:41 p.m.
NED2 Entity disambiguation (via description) batch_69c8147b3f3c8190ada85c9e37bf5e2b completed March 28, 2026, 5:48 p.m.
Created at: March 27, 2026, 3:10 p.m.