Triple

T7126151
Position Surface form Disambiguated ID Type / Status
Subject MBTA Green Line B branch E166066 entity
Predicate hasStop P17789 FINISHED
Object Griggs Street station
Griggs Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood along Commonwealth Avenue.
 E646454 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: Griggs Street station | Statement: [MBTA Green Line B branch, hasStop, Griggs Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Griggs Street station
Context triple: [MBTA Green Line B branch, hasStop, Griggs Street station]
  • A. Snelling Avenue Station
    Snelling Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and providing access to nearby neighborhoods and commercial areas.
  • B. Raymond Avenue Station
    Raymond Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and the surrounding University and neighborhood communities.
  • C. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • D. Columbia Avenue station
    Columbia Avenue station is the former name of a Philadelphia subway station now known as Cecil B. Moore station on SEPTA's Broad Street Line.
  • E. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • 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: Griggs Street station
Triple: [MBTA Green Line B branch, hasStop, Griggs Street station]
Generated description
Griggs Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood along Commonwealth Avenue.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Griggs Street station
Target entity description: Griggs Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston neighborhood along Commonwealth Avenue.
  • A. Snelling Avenue Station
    Snelling Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and providing access to nearby neighborhoods and commercial areas.
  • B. Raymond Avenue Station
    Raymond Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and the surrounding University and neighborhood communities.
  • C. Branch Avenue station
    Branch Avenue station is a Washington Metro rail station in Maryland that serves as the southern terminus of the system’s Green Line.
  • D. Columbia Avenue station
    Columbia Avenue station is the former name of a Philadelphia subway station now known as Cecil B. Moore station on SEPTA's Broad Street Line.
  • E. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • 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_69c7b8e0a06c819091b47dd41acb47b7 completed March 28, 2026, 11:17 a.m.
NEDg Description generation batch_69c7b97893308190b349afb452d4e154 completed March 28, 2026, 11:20 a.m.
NED2 Entity disambiguation (via description) batch_69c7b9f805b88190866170fdd8ce07ff completed March 28, 2026, 11:22 a.m.
Created at: March 27, 2026, 2:44 p.m.