Triple

T15785487
Position Surface form Disambiguated ID Type / Status
Subject Pacific Electric Santa Monica Air Line E382727 entity
Predicate corridor P5520 FINISHED
Object Downtown Los Angeles–Culver City–Santa Monica corridor
The Downtown Los Angeles–Culver City–Santa Monica corridor is a major westside transit and development axis in Los Angeles that connects the city’s central business district with coastal Santa Monica via Culver City.
E1176569 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: Downtown Los Angeles–Culver City–Santa Monica corridor | Statement: [Pacific Electric Santa Monica Air Line, corridor, Downtown Los Angeles–Culver City–Santa Monica corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Downtown Los Angeles–Culver City–Santa Monica corridor
Context triple: [Pacific Electric Santa Monica Air Line, corridor, Downtown Los Angeles–Culver City–Santa Monica corridor]
  • A. Broadway (Downtown Los Angeles) corridor
    The Broadway (Downtown Los Angeles) corridor is a historic commercial and entertainment thoroughfare in downtown L.A., renowned for its early 20th-century theaters and vibrant urban streetscape.
  • B. Crenshaw/LAX corridor
    The Crenshaw/LAX corridor is a major Los Angeles light rail transit corridor connecting the Crenshaw District to Los Angeles International Airport and surrounding communities.
  • C. Hill Street (Downtown Los Angeles) corridor
    The Hill Street (Downtown Los Angeles) corridor is a major north–south thoroughfare in central Los Angeles known for its historic theaters, civic buildings, and dense urban streetscape.
  • D. Sunset Boulevard corridor
    The Sunset Boulevard corridor is a major thoroughfare in Los Angeles known for linking diverse neighborhoods and serving as a cultural and commercial spine of the city.
  • E. Wilshire/La Brea bus corridor
    The Wilshire/La Brea bus corridor is a major bus transit route along Wilshire Boulevard in Los Angeles, serving the Mid-Wilshire area and connecting it to other key 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: Downtown Los Angeles–Culver City–Santa Monica corridor
Triple: [Pacific Electric Santa Monica Air Line, corridor, Downtown Los Angeles–Culver City–Santa Monica corridor]
Generated description
The Downtown Los Angeles–Culver City–Santa Monica corridor is a major westside transit and development axis in Los Angeles that connects the city’s central business district with coastal Santa Monica via Culver City.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Downtown Los Angeles–Culver City–Santa Monica corridor
Target entity description: The Downtown Los Angeles–Culver City–Santa Monica corridor is a major westside transit and development axis in Los Angeles that connects the city’s central business district with coastal Santa Monica via Culver City.
  • A. Broadway (Downtown Los Angeles) corridor
    The Broadway (Downtown Los Angeles) corridor is a historic commercial and entertainment thoroughfare in downtown L.A., renowned for its early 20th-century theaters and vibrant urban streetscape.
  • B. Crenshaw/LAX corridor
    The Crenshaw/LAX corridor is a major Los Angeles light rail transit corridor connecting the Crenshaw District to Los Angeles International Airport and surrounding communities.
  • C. Hill Street (Downtown Los Angeles) corridor
    The Hill Street (Downtown Los Angeles) corridor is a major north–south thoroughfare in central Los Angeles known for its historic theaters, civic buildings, and dense urban streetscape.
  • D. Sunset Boulevard corridor
    The Sunset Boulevard corridor is a major thoroughfare in Los Angeles known for linking diverse neighborhoods and serving as a cultural and commercial spine of the city.
  • E. Wilshire/La Brea bus corridor
    The Wilshire/La Brea bus corridor is a major bus transit route along Wilshire Boulevard in Los Angeles, serving the Mid-Wilshire area and connecting it to other key parts of the city.
  • 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_69ff90a4661481909d04bcb9f5043a6b completed May 9, 2026, 7:53 p.m.
NEDg Description generation batch_69ff935867d08190955c2d665a761a5e completed May 9, 2026, 8:04 p.m.
NED2 Entity disambiguation (via description) batch_69ff93fc19048190981d8e44ee5222f7 completed May 9, 2026, 8:07 p.m.
Created at: April 10, 2026, 4:48 a.m.