Triple

T6832141
Position Surface form Disambiguated ID Type / Status
Subject South Boston Transitway E157161 entity
Predicate hasStation P35 FINISHED
Object Courthouse station
Courthouse station is an underground MBTA Silver Line bus rapid transit station serving Boston's Seaport District.
 E623985 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: Courthouse station | Statement: [South Boston Transitway, hasStation, Courthouse station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Courthouse station
Context triple: [South Boston Transitway, hasStation, Courthouse station]
  • A. Courthouse station
    Courthouse station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • B. Court House station
    Court House station is a Washington Metro rapid transit station serving the Courthouse neighborhood in Arlington, Virginia.
  • C. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • D. Edgewood station
    Edgewood station is a commuter rail stop in Edgewood, Maryland, served by MARC’s Penn Line between Baltimore and Perryville.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • 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: Courthouse station
Triple: [South Boston Transitway, hasStation, Courthouse station]
Generated description
Courthouse station is an underground MBTA Silver Line bus rapid transit station serving Boston's Seaport District.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Courthouse station
Target entity description: Courthouse station is an underground MBTA Silver Line bus rapid transit station serving Boston's Seaport District.
  • A. Courthouse station
    Courthouse station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • B. Court House station
    Court House station is a Washington Metro rapid transit station serving the Courthouse neighborhood in Arlington, Virginia.
  • C. Briarwood station
    Briarwood station is a New York City Subway station in Queens serving the IND Queens Boulevard Line.
  • D. Edgewood station
    Edgewood station is a commuter rail stop in Edgewood, Maryland, served by MARC’s Penn Line between Baltimore and Perryville.
  • E. Cecil B. Moore station
    Cecil B. Moore station is a subway stop on Philadelphia’s Broad Street Line serving the Temple University area and surrounding North Philadelphia neighborhoods.
  • 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_69c6882a5b5c8190917a7db9ed36bad1 completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d62992908190996efab71cbf70f0 completed March 27, 2026, 7:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69c72fab60708190825876e5715c0cc4 completed March 28, 2026, 1:32 a.m.
NEDg Description generation batch_69c7374ba15081909353f52e432a96e0 completed March 28, 2026, 2:04 a.m.
NED2 Entity disambiguation (via description) batch_69c737b1481c8190a0b590c841ea079f completed March 28, 2026, 2:06 a.m.
Created at: March 27, 2026, 2:18 p.m.