Triple

T1135337
Position Surface form Disambiguated ID Type / Status
Subject MBTA Orange Line E23125 entity
Predicate servesStation P839 FINISHED
Object Green Street station
Green Street station is a rapid transit stop on Boston's MBTA Orange Line located in the Jamaica Plain neighborhood.
 E224143 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: Green Street station | Statement: [MBTA Orange Line, servesStation, Green Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Green Street station
Context triple: [MBTA Orange Line, servesStation, Green Street station]
  • A. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • B. Avenue Road station
    Avenue Road station was the original name of Toronto’s Museum subway station on Line 1 Yonge–University.
  • C. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • D. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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: Green Street station
Triple: [MBTA Orange Line, servesStation, Green Street station]
Generated description
Green Street station is a rapid transit stop on Boston's MBTA Orange Line located in the Jamaica Plain neighborhood.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Green Street station
Target entity description: Green Street station is a rapid transit stop on Boston's MBTA Orange Line located in the Jamaica Plain neighborhood.
  • A. Crescent Street station
    Crescent Street station is a New York City Subway station in Brooklyn served by the J train.
  • B. Avenue Road station
    Avenue Road station was the original name of Toronto’s Museum subway station on Line 1 Yonge–University.
  • C. Pattison Avenue station
    Pattison Avenue station is a subway station in Philadelphia that serves as the southern terminus of SEPTA’s Broad Street Line, providing access to the South Philadelphia Sports Complex.
  • D. Heath Street station
    Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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_69a493ec75988190b63a11bafaec29b4 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4bbfffaa48190b2534ff4da3544ce completed March 1, 2026, 10:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae0a966a6c81909d1d21c489340134 completed March 8, 2026, 11:47 p.m.
NEDg Description generation batch_69ae0b15a1dc81908dfa980e86585673 completed March 8, 2026, 11:49 p.m.
NED2 Entity disambiguation (via description) batch_69ae0b9e7c64819093461c74b98e48ca completed March 8, 2026, 11:51 p.m.
Created at: March 1, 2026, 7:44 p.m.