Triple

T1812874
Position Surface form Disambiguated ID Type / Status
Subject Metro E Line E40367 entity
Predicate openedSection P28341 FINISHED
Object 7th Street/Metro Center to Culver City
7th Street/Metro Center to Culver City is the initial light rail segment of Los Angeles Metro’s E Line, connecting Downtown Los Angeles with the Westside.
 E200863 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: 7th Street/Metro Center to Culver City | Statement: [Metro E Line, openedSection, 7th Street/Metro Center to Culver City]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 7th Street/Metro Center to Culver City
Context triple: [Metro E Line, openedSection, 7th Street/Metro Center to Culver City]
  • A. Culver CityBus
    Culver CityBus is a municipal public transit bus system serving Culver City and surrounding areas in Los Angeles County, California.
  • B. Civic Center, Downtown Los Angeles
    Civic Center in Downtown Los Angeles is the city’s primary government and administrative hub, housing major municipal, county, state, and federal buildings and public spaces.
  • C. Universal City/Studio City station
    Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
  • D. Los Angeles Metro D Line (subway) along Wilshire corridor
    The Los Angeles Metro D Line is a heavy-rail subway route that runs beneath the Wilshire Boulevard corridor, providing high-capacity rapid transit through central Los Angeles.
  • E. Millikan Way MAX Station
    Millikan Way MAX Station is a light rail stop on TriMet’s MAX Blue Line serving the Millikan Way area in Beaverton, Oregon.
  • 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: 7th Street/Metro Center to Culver City
Triple: [Metro E Line, openedSection, 7th Street/Metro Center to Culver City]
Generated description
7th Street/Metro Center to Culver City is the initial light rail segment of Los Angeles Metro’s E Line, connecting Downtown Los Angeles with the Westside.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 7th Street/Metro Center to Culver City
Target entity description: 7th Street/Metro Center to Culver City is the initial light rail segment of Los Angeles Metro’s E Line, connecting Downtown Los Angeles with the Westside.
  • A. Culver CityBus
    Culver CityBus is a municipal public transit bus system serving Culver City and surrounding areas in Los Angeles County, California.
  • B. Civic Center, Downtown Los Angeles
    Civic Center in Downtown Los Angeles is the city’s primary government and administrative hub, housing major municipal, county, state, and federal buildings and public spaces.
  • C. Universal City/Studio City station
    Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
  • D. Los Angeles Metro D Line (subway) along Wilshire corridor
    The Los Angeles Metro D Line is a heavy-rail subway route that runs beneath the Wilshire Boulevard corridor, providing high-capacity rapid transit through central Los Angeles.
  • E. Millikan Way MAX Station
    Millikan Way MAX Station is a light rail stop on TriMet’s MAX Blue Line serving the Millikan Way area in Beaverton, Oregon.
  • 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_69a88643a3388190a612f2ebe1fb29e7 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb0003d308190a024f8c03c5f5dad completed March 7, 2026, 4:56 a.m.
NED1 Entity disambiguation (via context triple) batch_69adb5e5142c8190bc90da38b02e95e2 completed March 8, 2026, 5:46 p.m.
NEDg Description generation batch_69adb69d10188190b78bece656249ecd completed March 8, 2026, 5:49 p.m.
NED2 Entity disambiguation (via description) batch_69adb8c122e881908f0640edc5aaf305 completed March 8, 2026, 5:58 p.m.
Created at: March 4, 2026, 7:32 p.m.