Triple

T7126152
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line B branch E166066 entity
Predicate hasStop P17789 FINISHED
Object Allston Street station
Allston Street station is a light rail stop on Boston's MBTA Green Line serving the Allston neighborhood along Commonwealth Avenue.
 E647996 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: Allston Street station | Statement: [MBTA Green Line B branch, hasStop, Allston Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Allston Street station
Context triple: [MBTA Green Line B branch, hasStop, Allston Street station]
  • A. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • B. Franklin Avenue Station
    Franklin Avenue Station is a light rail stop on the METRO Blue Line in Minneapolis, Minnesota, serving the surrounding residential and commercial neighborhoods.
  • C. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • D. Grove Street station
    Grove Street station is a light rail station in Bloomfield, New Jersey, serving as the northern terminus of the Newark Light Rail line.
  • E. Grove Street station
    Grove Street station is a key underground stop on the PATH rapid transit system serving Jersey City, New Jersey.
  • 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: Allston Street station
Triple: [MBTA Green Line B branch, hasStop, Allston Street station]
Generated description
Allston Street station is a light rail stop on Boston's MBTA Green Line serving the Allston neighborhood along Commonwealth Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Allston Street station
Target entity description: Allston Street station is a light rail stop on Boston's MBTA Green Line serving the Allston neighborhood along Commonwealth Avenue.
  • A. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • B. Franklin Avenue Station
    Franklin Avenue Station is a light rail stop on the METRO Blue Line in Minneapolis, Minnesota, serving the surrounding residential and commercial neighborhoods.
  • C. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • D. Grove Street station
    Grove Street station is a light rail station in Bloomfield, New Jersey, serving as the northern terminus of the Newark Light Rail line.
  • E. Grove Street station
    Grove Street station is a key underground stop on the PATH rapid transit system serving Jersey City, New Jersey.
  • 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_69c6888350588190870cd552b427a1cd completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e64d99888190a93c1822e19b5457 completed March 27, 2026, 8:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bf7c0bb88190ac03e2279512d837 completed March 28, 2026, 11:46 a.m.
NEDg Description generation batch_69c7bfe7143481908c4da6b67f47f19e completed March 28, 2026, 11:47 a.m.
NED2 Entity disambiguation (via description) batch_69c7c05fd088819083df4c7167216ca2 completed March 28, 2026, 11:49 a.m.
Created at: March 27, 2026, 2:44 p.m.