Triple

T12045918
Position Surface form Disambiguated ID Type / Status
Subject CTfastrak E286786 entity
Predicate hasStation P35 FINISHED
Object Sigourney Street Station
Sigourney Street Station is a bus rapid transit stop on the CTfastrak line serving passengers in Hartford, Connecticut.
E961918 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: Sigourney Street Station | Statement: [CTfastrak, hasStation, Sigourney Street Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sigourney Street Station
Context triple: [CTfastrak, hasStation, Sigourney Street Station]
  • A. Christie station
    Christie station is a subway station on Toronto's Bloor–Danforth line serving the Christie Street and Bloor Street West area.
  • B. Othello Station
    Othello Station is a light rail transit stop in Seattle’s Rainier Valley neighborhood, serving the Link light rail system.
  • C. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • D. Central Station
    Central Station is a key elevated stop on Jacksonville’s automated Skyway people mover system in downtown Jacksonville, Florida.
  • E. Central Station
    Central Station is a 1998 Brazilian drama film by Walter Salles that follows the emotional journey of a retired schoolteacher and a young boy traveling across Brazil in search of his father.
  • 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: Sigourney Street Station
Triple: [CTfastrak, hasStation, Sigourney Street Station]
Generated description
Sigourney Street Station is a bus rapid transit stop on the CTfastrak line serving passengers in Hartford, Connecticut.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sigourney Street Station
Target entity description: Sigourney Street Station is a bus rapid transit stop on the CTfastrak line serving passengers in Hartford, Connecticut.
  • A. Christie station
    Christie station is a subway station on Toronto's Bloor–Danforth line serving the Christie Street and Bloor Street West area.
  • B. Othello Station
    Othello Station is a light rail transit stop in Seattle’s Rainier Valley neighborhood, serving the Link light rail system.
  • C. Central Station
    Central Station is a key elevated stop on Jacksonville’s automated Skyway people mover system in downtown Jacksonville, Florida.
  • D. Central Station
    Central Station is a key light rail stop on the METRO Green Line serving as an important transit hub in its area.
  • E. Central Station
    Central Station was the original name of Lisbon’s historic Rossio railway station, a key 19th-century rail hub known for its distinctive Neo-Manueline architecture.
  • 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_69d6ab4780948190bdb9f7620c2ac27e completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9041fe3b0819094b82a6b17ac59c3 completed April 10, 2026, 2:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69f49db574bc8190a0f2f858a2ff788d completed May 1, 2026, 12:33 p.m.
NEDg Description generation batch_69f53d9460bc8190869f2b7d095d98cb completed May 1, 2026, 11:56 p.m.
NED2 Entity disambiguation (via description) batch_69f564d2b4348190abf2d09ae00aea37 completed May 2, 2026, 2:43 a.m.
Created at: April 8, 2026, 9:47 p.m.