Triple

T21344479
Position Surface form Disambiguated ID Type / Status
Subject Orange Line (San Diego Trolley) E526292 entity
Predicate hasStation P35 FINISHED
Object La Mesa Boulevard station
La Mesa Boulevard station is a San Diego Trolley light rail stop in La Mesa, California, serving passengers on the system’s Orange Line.
 E1479328 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: La Mesa Boulevard station | Statement: [Orange Line (San Diego Trolley), hasStation, La Mesa Boulevard station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: La Mesa Boulevard station
Context triple: [Orange Line (San Diego Trolley), hasStation, La Mesa Boulevard station]
  • A. East/West Boulevard station
    East/West Boulevard station is a light rail stop on Charlotte’s LYNX Blue Line serving the South End neighborhood with access to nearby shops, restaurants, and residential areas.
  • B. Lakewood Boulevard station
    Lakewood Boulevard station is a light rail stop on Los Angeles Metro’s C Line serving the Downey and Bellflower area in southeast Los Angeles County.
  • C. El Cerrito Plaza station
    El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
  • D. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • E. Morgan Boulevard station
    Morgan Boulevard station is a Washington Metro rapid transit station in Prince George's County, Maryland, serving the nearby FedExField stadium and surrounding residential areas.
  • 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: La Mesa Boulevard station
Triple: [Orange Line (San Diego Trolley), hasStation, La Mesa Boulevard station]
Generated description
La Mesa Boulevard station is a San Diego Trolley light rail stop in La Mesa, California, serving passengers on the system’s Orange Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: La Mesa Boulevard station
Target entity description: La Mesa Boulevard station is a San Diego Trolley light rail stop in La Mesa, California, serving passengers on the system’s Orange Line.
  • A. East/West Boulevard station
    East/West Boulevard station is a light rail stop on Charlotte’s LYNX Blue Line serving the South End neighborhood with access to nearby shops, restaurants, and residential areas.
  • B. Lakewood Boulevard station
    Lakewood Boulevard station is a light rail stop on Los Angeles Metro’s C Line serving the Downey and Bellflower area in southeast Los Angeles County.
  • C. El Cerrito Plaza station
    El Cerrito Plaza station is an elevated Bay Area Rapid Transit (BART) station in El Cerrito, California, serving as a key stop for commuters traveling through the East Bay.
  • D. 36th Street station
    36th Street station is a key SEPTA trolley stop in Philadelphia serving the Subway–Surface Trolley Lines near the University of Pennsylvania.
  • E. Morgan Boulevard station
    Morgan Boulevard station is a Washington Metro rapid transit station in Prince George's County, Maryland, serving the nearby FedExField stadium and surrounding residential areas.
  • 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_69e0b51c33048190ab27cede74ef798c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8a85274f481909e699b390bed9350 completed April 22, 2026, 10:52 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09a5c8c9808190810982de97320df3 completed May 17, 2026, 11:26 a.m.
NEDg Description generation batch_6a09a6848c1c8190992ae7cdfeabdcf8 completed May 17, 2026, 11:29 a.m.
NED2 Entity disambiguation (via description) batch_6a09aae23f2c81908f08d290277e22f9 completed May 17, 2026, 11:47 a.m.
Created at: April 16, 2026, 4:44 p.m.