Triple

T1756128
Position Surface form Disambiguated ID Type / Status
Subject Metro Rail (Los Angeles) E38551 entity
Predicate hasStation P35 FINISHED
Object Santa Monica Downtown station
Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
E205578 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: Santa Monica Downtown station | Statement: [Metro Rail (Los Angeles), hasStation, Santa Monica Downtown station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Santa Monica Downtown station
Context triple: [Metro Rail (Los Angeles), hasStation, Santa Monica Downtown station]
  • A. Hollywood/Vine station
    Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
  • B. Wilshire/Western station
    Wilshire/Western station is an underground rapid transit station in Los Angeles serving the Metro D Line at the intersection of Wilshire Boulevard and Western Avenue in Koreatown.
  • C. Wilshire/Vermont station
    Wilshire/Vermont station is a major underground Los Angeles Metro Rail hub in Koreatown where multiple lines intersect, serving as a key transfer point for commuters.
  • D. Long Beach Transit Mall station
    Long Beach Transit Mall station is a light rail stop in downtown Long Beach, California, serving as a key terminus and transfer point on Los Angeles Metro Rail’s A Line.
  • E. North Hollywood station
    North Hollywood station is a major Los Angeles Metro Rail hub in the San Fernando Valley that serves as a key transfer point between the subway system and multiple bus and rapid transit lines.
  • 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: Santa Monica Downtown station
Triple: [Metro Rail (Los Angeles), hasStation, Santa Monica Downtown station]
Generated description
Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Santa Monica Downtown station
Target entity description: Santa Monica Downtown station is a light rail transit stop in downtown Santa Monica that serves as the western terminus of Los Angeles Metro Rail’s E Line near the Pacific Ocean.
  • A. Hollywood/Vine station
    Hollywood/Vine station is a Los Angeles Metro Rail subway station located at the iconic intersection of Hollywood Boulevard and Vine Street, serving the heart of Hollywood’s entertainment district.
  • B. Wilshire/Western station
    Wilshire/Western station is an underground rapid transit station in Los Angeles serving the Metro D Line at the intersection of Wilshire Boulevard and Western Avenue in Koreatown.
  • C. Wilshire/Vermont station
    Wilshire/Vermont station is a major underground Los Angeles Metro Rail hub in Koreatown where multiple lines intersect, serving as a key transfer point for commuters.
  • D. Long Beach Transit Mall station
    Long Beach Transit Mall station is a light rail stop in downtown Long Beach, California, serving as a key terminus and transfer point on Los Angeles Metro Rail’s A Line.
  • E. North Hollywood station
    North Hollywood station is a major Los Angeles Metro Rail hub in the San Fernando Valley that serves as a key transfer point between the subway system and multiple bus and rapid transit lines.
  • 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_69a8862bdb2081908aefe831c8aa8017 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69aa643b623081908064be75758ec5de completed March 6, 2026, 5:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69adc99dab1c8190802d01ece5fcdd22 completed March 8, 2026, 7:10 p.m.
NEDg Description generation batch_69adcaed1f788190b14c3e2d2c3036d9 completed March 8, 2026, 7:15 p.m.
NED2 Entity disambiguation (via description) batch_69adcbee97e88190adc1315c0a5013ab completed March 8, 2026, 7:20 p.m.
Created at: March 4, 2026, 7:31 p.m.