Triple

T6050653
Position Surface form Disambiguated ID Type / Status
Subject C Branch E134782 entity
Predicate hasStop P17789 FINISHED
Object Washington Square station
Washington Square station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the C Branch along Beacon Street.
 E575955 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: Washington Square station | Statement: [C Branch, hasStop, Washington Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Square station
Context triple: [C Branch, hasStop, Washington Square station]
  • A. 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.
  • B. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • C. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • D. Lafayette Avenue subway station
    Lafayette Avenue subway station is a New York City Subway station in Brooklyn serving the IND Fulton Street Line.
  • E. Fairview Avenue Station
    Fairview Avenue Station is a light rail stop on the METRO Green Line serving the Saint Paul–Minneapolis area in Minnesota.
  • 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: Washington Square station
Triple: [C Branch, hasStop, Washington Square station]
Generated description
Washington Square station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the C Branch along Beacon Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Washington Square station
Target entity description: Washington Square station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the C Branch along Beacon Street.
  • A. 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.
  • B. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • C. Capen Street station
    Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • D. Lafayette Avenue subway station
    Lafayette Avenue subway station is a New York City Subway station in Brooklyn serving the IND Fulton Street Line.
  • E. Fairview Avenue Station
    Fairview Avenue Station is a light rail stop on the METRO Green Line serving the Saint Paul–Minneapolis area in Minnesota.
  • 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_69c00877b6d4819096b0e163728b73a3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c056f66cb08190a782cdd038f26b93 completed March 22, 2026, 8:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16ea1595c8190926a5ed8d230ab4a completed March 23, 2026, 4:47 p.m.
NEDg Description generation batch_69c1c533f43881908d57b75237f3c827 completed March 23, 2026, 10:56 p.m.
NED2 Entity disambiguation (via description) batch_69c1c59ef9b0819091b05cd30c07d918 completed March 23, 2026, 10:58 p.m.
Created at: March 22, 2026, 4:09 p.m.