Triple

T1192807
Position Surface form Disambiguated ID Type / Status
Subject MBTA Silver Line E25599 entity
Predicate hasStation P35 FINISHED
Object Courthouse
Courthouse is an underground bus rapid transit station on Boston’s MBTA Silver Line serving the Seaport District.
E137155 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 | Statement: [MBTA Silver Line, hasStation, Courthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Courthouse
Context triple: [MBTA Silver Line, hasStation, Courthouse]
  • A. Old Courthouse
    The Old Courthouse is a historic 19th-century courthouse in downtown St. Louis best known as the site of the pivotal Dred Scott slavery trials and as a prominent architectural landmark near the Gateway Arch.
  • B. Palacio de Justicia
    The Palacio de Justicia is a monumental neoclassical building in Lima that serves as the headquarters of Peru’s judiciary and a prominent symbol of the country’s legal system.
  • C. Potter Stewart United States Courthouse
    The Potter Stewart United States Courthouse is a federal courthouse in Cincinnati, Ohio, named after Supreme Court Justice Potter Stewart and serving as a primary venue for the U.S. Court of Appeals for the Sixth Circuit.
  • D. City Hall
    City Hall is the distinctive glass building on the south bank of the River Thames that served as the headquarters of the Greater London Authority and the office of the Mayor of London.
  • E. Moot Hall
    Moot Hall is a historic former market hall and town hall in the center of Keswick in England’s Lake District, now serving as a prominent landmark and tourist information point.
  • 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
Triple: [MBTA Silver Line, hasStation, Courthouse]
Generated description
Courthouse is an underground bus rapid transit station on Boston’s MBTA Silver Line serving the Seaport District.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Courthouse
Target entity description: Courthouse is an underground bus rapid transit station on Boston’s MBTA Silver Line serving the Seaport District.
  • A. Old Courthouse
    The Old Courthouse is a historic 19th-century courthouse in downtown St. Louis best known as the site of the pivotal Dred Scott slavery trials and as a prominent architectural landmark near the Gateway Arch.
  • B. Palacio de Justicia
    The Palacio de Justicia is a monumental neoclassical building in Lima that serves as the headquarters of Peru’s judiciary and a prominent symbol of the country’s legal system.
  • C. Potter Stewart United States Courthouse
    The Potter Stewart United States Courthouse is a federal courthouse in Cincinnati, Ohio, named after Supreme Court Justice Potter Stewart and serving as a primary venue for the U.S. Court of Appeals for the Sixth Circuit.
  • D. City Hall
    City Hall is the distinctive glass building on the south bank of the River Thames that served as the headquarters of the Greater London Authority and the office of the Mayor of London.
  • E. Moot Hall
    Moot Hall is a historic former market hall and town hall in the center of Keswick in England’s Lake District, now serving as a prominent landmark and tourist information point.
  • 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_69a49429f5ec8190a6a205eb0ae81e5e completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd761ef08190b431b80f326d1ab2 completed March 1, 2026, 10:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac764ea588819082f7d5d0e44e1211 completed March 7, 2026, 7:02 p.m.
NEDg Description generation batch_69ac76e2df308190807cc6b7d7555e69 completed March 7, 2026, 7:05 p.m.
NED2 Entity disambiguation (via description) batch_69ac77585c708190b5f4b239d9574cd7 completed March 7, 2026, 7:07 p.m.
Created at: March 1, 2026, 7:45 p.m.