Triple

T3715908
Position Surface form Disambiguated ID Type / Status
Subject E Line (Los Angeles Metro) E81528 entity
Predicate hasStation P35 FINISHED
Object 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.
 E392730 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/La Brea station | Statement: [E Line (Los Angeles Metro), hasStation, Expo/La Brea station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Expo/La Brea station
Context triple: [E Line (Los Angeles Metro), hasStation, Expo/La Brea station]
  • A. 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.
  • B. 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.
  • C. Wilshire/Normandie station
    Wilshire/Normandie station is an underground Los Angeles Metro Rail station on the D Line serving the Koreatown and Wilshire Center neighborhoods.
  • D. 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.
  • 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: Expo/La Brea station
Triple: [E Line (Los Angeles Metro), hasStation, Expo/La Brea station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Expo/La Brea station
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Wilshire/Normandie station
    Wilshire/Normandie station is an underground Los Angeles Metro Rail station on the D Line serving the Koreatown and Wilshire Center neighborhoods.
  • D. 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.
  • 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_69ad8b1a81588190b3f27a5483bb610e completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adc9cf77dc819098979094172d82d1 completed March 8, 2026, 7:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69b503e201e88190bbac29e6b3722959 completed March 14, 2026, 6:44 a.m.
NEDg Description generation batch_69b505420de0819086dee340f34a8886 completed March 14, 2026, 6:50 a.m.
NED2 Entity disambiguation (via description) batch_69b5064192a48190a0f95dee872437e0 completed March 14, 2026, 6:54 a.m.
Created at: March 8, 2026, 3:33 p.m.