Triple

T1393226
Position Surface form Disambiguated ID Type / Status
Subject Quincy Market E30606 entity
Predicate publicTransit P1288 FINISHED
Object 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.
 E227035 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: MBTA State Street station | Statement: [Quincy Market, publicTransit, MBTA State Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MBTA State Street station
Context triple: [Quincy Market, publicTransit, MBTA State Street station]
  • A. 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.
  • B. Downtown Crossing station
    Downtown Crossing station is a major MBTA subway hub in downtown Boston, serving multiple lines and providing access to one of the city’s busiest commercial districts.
  • C. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • D. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • E. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • 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: MBTA State Street station
Triple: [Quincy Market, publicTransit, MBTA State Street station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MBTA State Street station
Target entity description: 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.
  • A. 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.
  • B. Downtown Crossing station
    Downtown Crossing station is a major MBTA subway hub in downtown Boston, serving multiple lines and providing access to one of the city’s busiest commercial districts.
  • C. Wellington Station (MBTA)
    Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
  • D. Boylston station
    Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
  • E. Massachusetts Avenue station
    Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
  • 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_69a498fd4e408190bd73eca30ea9754c completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c37cd99081908d16014e0b99992d completed March 1, 2026, 10:53 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae0aa0ca0c8190b2d326bf39f750b0 completed March 8, 2026, 11:47 p.m.
NEDg Description generation batch_69ae0d3272c48190a0abe3b0db80fd4c completed March 8, 2026, 11:58 p.m.
NED2 Entity disambiguation (via description) batch_69ae0d996cac8190a983f1ba44e25215 completed March 9, 2026, midnight
Created at: March 1, 2026, 7:59 p.m.