Triple

T6050651
Position Surface form Disambiguated ID Type / Status
Subject C Branch E134782 entity
Predicate hasStop P17789 FINISHED
Object St. Marys Street station
St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
 E575954 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: St. Marys Street station | Statement: [C Branch, hasStop, St. Marys Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: St. Marys Street station
Context triple: [C Branch, hasStop, St. Marys Street station]
  • A. St. Patrick station
    St. Patrick station is a Toronto subway station on Line 1 serving the downtown area near major cultural and institutional landmarks.
  • B. King Street–Old Town station
    King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
  • C. Bayview station
    Bayview station is a Toronto subway station on Line 4 Sheppard, serving the Bayview and Sheppard Avenue area with underground platforms and modern transit connections.
  • D. Ossington station
    Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
  • 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: St. Marys Street station
Triple: [C Branch, hasStop, St. Marys Street station]
Generated description
St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: St. Marys Street station
Target entity description: St. Marys Street station is a light rail stop on Boston’s MBTA Green Line that serves the C Branch along Beacon Street near the Boston University area.
  • A. St. Patrick station
    St. Patrick station is a Toronto subway station on Line 1 serving the downtown area near major cultural and institutional landmarks.
  • B. King Street–Old Town station
    King Street–Old Town station is a Washington Metro rail station in Alexandria, Virginia, serving the historic Old Town area and nearby Amtrak and VRE services.
  • C. Bayview station
    Bayview station is a Toronto subway station on Line 4 Sheppard, serving the Bayview and Sheppard Avenue area with underground platforms and modern transit connections.
  • D. Ossington station
    Ossington station is a subway stop on Toronto's TTC network located in the city's west end along Bloor Street.
  • 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_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.