Triple

T18880567
Position Surface form Disambiguated ID Type / Status
Subject UC San Diego Blue Line E461814 entity
Predicate hasStation P35 FINISHED
Object Middletown station
Middletown station is a San Diego Trolley light rail stop on the UC San Diego Blue Line serving the Middletown neighborhood near downtown San Diego.
 E1347938 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: Middletown station | Statement: [UC San Diego Blue Line, hasStation, Middletown station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middletown station
Context triple: [UC San Diego Blue Line, hasStation, Middletown station]
  • A. Middletown station
    Middletown station is a New Jersey Transit commuter rail stop in Middletown Township, New Jersey, serving riders on the North Jersey Coast Line.
  • B. Smithtown station
    Smithtown station is a commuter rail stop on the Long Island Rail Road serving the community of Smithtown, New York.
  • C. Meriden station
    Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
  • D. Suitland station
    Suitland station is a Washington Metro station in Prince George's County, Maryland, serving the Suitland Federal Center and surrounding community.
  • E. Mattituck station
    Mattituck station is a Long Island Rail Road stop in Mattituck, New York, serving passengers traveling along eastern Long Island.
  • 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: Middletown station
Triple: [UC San Diego Blue Line, hasStation, Middletown station]
Generated description
Middletown station is a San Diego Trolley light rail stop on the UC San Diego Blue Line serving the Middletown neighborhood near downtown San Diego.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Middletown station
Target entity description: Middletown station is a San Diego Trolley light rail stop on the UC San Diego Blue Line serving the Middletown neighborhood near downtown San Diego.
  • A. Middletown station
    Middletown station is a New Jersey Transit commuter rail stop in Middletown Township, New Jersey, serving riders on the North Jersey Coast Line.
  • B. Smithtown station
    Smithtown station is a commuter rail stop on the Long Island Rail Road serving the community of Smithtown, New York.
  • C. Meriden station
    Meriden station is a passenger rail station in Meriden, Connecticut, serving CTrail Hartford Line and Amtrak trains along the New Haven–Springfield corridor.
  • D. Suitland station
    Suitland station is a Washington Metro station in Prince George's County, Maryland, serving the Suitland Federal Center and surrounding community.
  • E. Mattituck station
    Mattituck station is a Long Island Rail Road stop in Mattituck, New York, serving passengers traveling along eastern Long Island.
  • 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_69d8dcfc3430819095ee6fc0eb4c06a5 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c3d133f08190a482e601c1866662 completed April 20, 2026, 6:12 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0582af0e44819084b87fe5a00ef336 completed May 14, 2026, 8:07 a.m.
NEDg Description generation batch_6a058696fc408190b63bfd77c4f23e0b completed May 14, 2026, 8:23 a.m.
NED2 Entity disambiguation (via description) batch_6a0587056df08190b9fae9bbcec12a64 completed May 14, 2026, 8:25 a.m.
Created at: April 10, 2026, 11:57 a.m.