Triple

T3715911
Position Surface form Disambiguated ID Type / Status
Subject E Line (Los Angeles Metro) E81528 entity
Predicate hasStation P35 FINISHED
Object Expo/Western station
Expo/Western station is an at-grade light rail stop in Los Angeles serving the E Line of the Metro Rail system near the intersection of Exposition and Western Avenues.
E383995 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/Western station | Statement: [E Line (Los Angeles Metro), hasStation, Expo/Western station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Expo/Western station
Context triple: [E Line (Los Angeles Metro), hasStation, Expo/Western station]
  • A. Expo/Bundy station
    Expo/Bundy station is an elevated light rail station in West Los Angeles serving the E Line of the Los Angeles Metro Rail system.
  • B. Expo Center station
    Expo Center station is a light rail station in Portland, Oregon, serving as the northern terminus of TriMet’s MAX Yellow Line near the Portland Expo Center.
  • C. 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.
  • D. 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.
  • E. Hollywood/Western Metro station
    Hollywood/Western Metro station is a Los Angeles Metro Rail station on the B Line located in East Hollywood, serving the busy Hollywood Boulevard corridor.
  • 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/Western station
Triple: [E Line (Los Angeles Metro), hasStation, Expo/Western station]
Generated description
Expo/Western station is an at-grade light rail stop in Los Angeles serving the E Line of the Metro Rail system near the intersection of Exposition and Western Avenues.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Expo/Western station
Target entity description: Expo/Western station is an at-grade light rail stop in Los Angeles serving the E Line of the Metro Rail system near the intersection of Exposition and Western Avenues.
  • A. Expo/Bundy station
    Expo/Bundy station is an elevated light rail station in West Los Angeles serving the E Line of the Los Angeles Metro Rail system.
  • B. Expo Center station
    Expo Center station is a light rail station in Portland, Oregon, serving as the northern terminus of TriMet’s MAX Yellow Line near the Portland Expo Center.
  • C. 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.
  • D. 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.
  • E. Hollywood/Western Metro station
    Hollywood/Western Metro station is a Los Angeles Metro Rail station on the B Line located in East Hollywood, serving the busy Hollywood Boulevard corridor.
  • 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_69b4db0ba70481908dfd11ee5c89faff completed March 14, 2026, 3:50 a.m.
NEDg Description generation batch_69b4dbeb2a2881908bfa05613fafc53c completed March 14, 2026, 3:54 a.m.
NED2 Entity disambiguation (via description) batch_69b4dc65c88c8190b1215fed2451d45f completed March 14, 2026, 3:56 a.m.
Created at: March 8, 2026, 3:33 p.m.