Triple

T15785452
Position Surface form Disambiguated ID Type / Status
Subject Pico station E382726 entity
Predicate partOf P40 FINISHED
Object A Line (formerly Blue Line)
A Line (formerly Blue Line) is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the Los Angeles Metro Rail system.
E1183958 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: A Line (formerly Blue Line) | Statement: [Pico station, partOf, A Line (formerly Blue Line)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: A Line (formerly Blue Line)
Context triple: [Pico station, partOf, A Line (formerly Blue Line)]
  • A. Blue Line
    The Blue Line is one of the Montreal Metro’s rapid transit lines, running east–west to serve several central and northeastern neighborhoods of the city.
  • B. Blue Line
    The Blue Line is one of the main lines of the Lisbon Metro system, serving key central and northern areas of Portugal’s capital city.
  • C. Blue Line
    The Blue Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key neighborhoods and suburbs in the Dallas–Fort Worth metroplex.
  • D. Blue Line
    The Blue Line is one of the primary routes of the MetroLink light rail system serving the St. Louis metropolitan area.
  • E. Blue Line
    The Blue Line is a planned rapid transit corridor of Bengaluru’s Namma Metro network intended to expand connectivity across additional parts of the city.
  • 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: A Line (formerly Blue Line)
Triple: [Pico station, partOf, A Line (formerly Blue Line)]
Generated description
A Line (formerly Blue Line) is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the Los Angeles Metro Rail system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: A Line (formerly Blue Line)
Target entity description: A Line (formerly Blue Line) is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the Los Angeles Metro Rail system.
  • A. Blue Line
    The Blue Line is one of the Montreal Metro’s rapid transit lines, running east–west to serve several central and northeastern neighborhoods of the city.
  • B. Blue Line
    The Blue Line is one of the aerial cable car routes in La Paz–El Alto’s Mi Teleférico urban transit system, providing high-altitude public transportation across the Bolivian cities.
  • C. Blue Line
    The Blue Line is one of the primary heavy-rail transit routes in Atlanta’s MARTA system, running east–west across the metropolitan area and serving key urban and suburban stations.
  • D. Blue Line
    The Blue Line is one of the main lines of the Lisbon Metro system, serving key central and northern areas of Portugal’s capital city.
  • E. Blue Line
    The Blue Line is one of the primary routes of the MetroLink light rail system serving the St. Louis metropolitan area.
  • 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_69d86da16e188190b89af699f1ed0bfe completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e05401c4788190a31c180953433db9 completed April 16, 2026, 3:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffb59779788190a393237f5293fe8d completed May 9, 2026, 10:30 p.m.
NEDg Description generation batch_69ffb62f3d8881908ede4a9a4b53bef2 completed May 9, 2026, 10:33 p.m.
NED2 Entity disambiguation (via description) batch_69ffb6f3154481909632913f4d7cfdba completed May 9, 2026, 10:36 p.m.
Created at: April 10, 2026, 4:48 a.m.