Triple

T1756124
Position Surface form Disambiguated ID Type / Status
Subject Metro Rail (Los Angeles) E38551 entity
Predicate hasStation P35 FINISHED
Object 7th Street/Metro Center station
7th Street/Metro Center station is a major underground transit hub in downtown Los Angeles that serves multiple Metro Rail lines and connects rail services with numerous bus routes.
 E196207 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 station | Statement: [Metro Rail (Los Angeles), hasStation, 7th Street/Metro Center station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: 7th Street/Metro Center station
Context triple: [Metro Rail (Los Angeles), hasStation, 7th Street/Metro Center station]
  • A. 33rd Street station
    33rd Street station is a major underground trolley stop in Philadelphia serving SEPTA’s Subway–Surface lines near Drexel University and the University of Pennsylvania.
  • B. 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.
  • C. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • D. Civic Center/Grand Park station
    Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
  • E. NE 7th Ave station
    NE 7th Ave station is a light rail stop in Portland, Oregon, serving the city’s MAX system near the Lloyd District.
  • 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 station
Triple: [Metro Rail (Los Angeles), hasStation, 7th Street/Metro Center station]
Generated description
7th Street/Metro Center station is a major underground transit hub in downtown Los Angeles that serves multiple Metro Rail lines and connects rail services with numerous bus routes.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: 7th Street/Metro Center station
Target entity description: 7th Street/Metro Center station is a major underground transit hub in downtown Los Angeles that serves multiple Metro Rail lines and connects rail services with numerous bus routes.
  • A. 33rd Street station
    33rd Street station is a major underground trolley stop in Philadelphia serving SEPTA’s Subway–Surface lines near Drexel University and the University of Pennsylvania.
  • B. 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.
  • C. 37th Street station
    37th Street station is a Philadelphia trolley stop on SEPTA’s Subway–Surface Lines serving the University City area near the University of Pennsylvania.
  • D. Civic Center/Grand Park station
    Civic Center/Grand Park station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and providing access to nearby government buildings and Grand Park.
  • E. NE 7th Ave station
    NE 7th Ave station is a light rail stop in Portland, Oregon, serving the city’s MAX system near the Lloyd District.
  • 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_69ada0ea4cc08190b47d81a54c294a9a completed March 8, 2026, 4:16 p.m.
NEDg Description generation batch_69ada1a401548190af00bae3b89e46b0 completed March 8, 2026, 4:19 p.m.
NED2 Entity disambiguation (via description) batch_69ada26804288190838a93b71b494650 completed March 8, 2026, 4:23 p.m.
Created at: March 4, 2026, 7:31 p.m.