Triple

T17310144
Position Surface form Disambiguated ID Type / Status
Subject 26th Street/Bergamot station E420272 entity
Predicate formerName P65 FINISHED
Object Expo Line 26th Street/Bergamot station
Expo Line 26th Street/Bergamot station is a light rail station in Santa Monica, California, serving the E Line of the Los Angeles Metro Rail system near the Bergamot arts district.
 E1261395 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: Expo Line 26th Street/Bergamot station | Statement: [26th Street/Bergamot station, formerName, Expo Line 26th Street/Bergamot station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Expo Line 26th Street/Bergamot station
Context triple: [26th Street/Bergamot station, formerName, Expo Line 26th Street/Bergamot station]
  • A. Expo/La Brea station
    Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
  • B. Expo/Sepulveda station
    Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
  • C. Metro E Line Expo/Western station
    Metro E Line Expo/Western station is an at-grade light rail station on Los Angeles Metro's E Line serving the Jefferson Park area and the surrounding Exposition Boulevard corridor.
  • D. California (Green Line) station
    California (Green Line) station is a Chicago 'L' rapid transit stop on the Green Line located in the city's West Garfield Park neighborhood.
  • E. 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.
  • 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: Expo Line 26th Street/Bergamot station
Triple: [26th Street/Bergamot station, formerName, Expo Line 26th Street/Bergamot station]
Generated description
Expo Line 26th Street/Bergamot station is a light rail station in Santa Monica, California, serving the E Line of the Los Angeles Metro Rail system near the Bergamot arts district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Expo Line 26th Street/Bergamot station
Target entity description: Expo Line 26th Street/Bergamot station is a light rail station in Santa Monica, California, serving the E Line of the Los Angeles Metro Rail system near the Bergamot arts district.
  • A. Expo/La Brea station
    Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
  • B. Expo/Sepulveda station
    Expo/Sepulveda station is an elevated Los Angeles Metro Rail stop in West Los Angeles serving the E Line near the intersection of Sepulveda Boulevard and Exposition Boulevard.
  • C. Metro E Line Expo/Western station
    Metro E Line Expo/Western station is an at-grade light rail station on Los Angeles Metro's E Line serving the Jefferson Park area and the surrounding Exposition Boulevard corridor.
  • D. California (Green Line) station
    California (Green Line) station is a Chicago 'L' rapid transit stop on the Green Line located in the city's West Garfield Park neighborhood.
  • E. 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.
  • 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_69d889d22b848190a4663d0b8f8f76e7 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e439970cf08190bc9e49ba830da0d9 completed April 19, 2026, 2:10 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0180e5043081908f31c2434e9b9647 completed May 11, 2026, 7:10 a.m.
NEDg Description generation batch_6a0182e466e8819096f61fb74d4147c5 completed May 11, 2026, 7:19 a.m.
NED2 Entity disambiguation (via description) batch_6a01840ddbb08190a542faba4ca26e5a completed May 11, 2026, 7:23 a.m.
Created at: April 10, 2026, 5:43 a.m.