Triple

T10357899
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (St. Louis MetroLink) E244048 entity
Predicate hasStation P35 FINISHED
Object Emerson Park station
Emerson Park station is a light rail stop on the St. Louis MetroLink system serving the Emerson Park neighborhood in East St. Louis, Illinois.
E869608 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: Emerson Park station | Statement: [Blue Line (St. Louis MetroLink), hasStation, Emerson Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Emerson Park station
Context triple: [Blue Line (St. Louis MetroLink), hasStation, Emerson Park station]
  • A. Memorial Park station
    Memorial Park station is a light rail station on the Los Angeles Metro A Line serving the Old Pasadena area in Pasadena, California.
  • B. Gallivan Plaza station
    Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • C. Leimert Park station
    Leimert Park station is a Los Angeles Metro Rail station on the K Line serving the historic Leimert Park neighborhood in South Los Angeles.
  • D. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • E. Snelling Avenue Station
    Snelling Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and providing access to nearby neighborhoods and commercial areas.
  • 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: Emerson Park station
Triple: [Blue Line (St. Louis MetroLink), hasStation, Emerson Park station]
Generated description
Emerson Park station is a light rail stop on the St. Louis MetroLink system serving the Emerson Park neighborhood in East St. Louis, Illinois.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Emerson Park station
Target entity description: Emerson Park station is a light rail stop on the St. Louis MetroLink system serving the Emerson Park neighborhood in East St. Louis, Illinois.
  • A. Memorial Park station
    Memorial Park station is a light rail station on the Los Angeles Metro A Line serving the Old Pasadena area in Pasadena, California.
  • B. Gallivan Plaza station
    Gallivan Plaza station is a light rail station in downtown Salt Lake City, Utah, serving the Utah Transit Authority’s TRAX system.
  • C. Leimert Park station
    Leimert Park station is a Los Angeles Metro Rail station on the K Line serving the historic Leimert Park neighborhood in South Los Angeles.
  • D. Forest Park station
    Forest Park station is a Chicago Transit Authority rapid transit station in Forest Park, Illinois, serving as the western endpoint of the Blue Line.
  • E. Snelling Avenue Station
    Snelling Avenue Station is a light rail stop in Saint Paul, Minnesota, serving the METRO Green Line and providing access to nearby neighborhoods and commercial areas.
  • 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_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9563ea48190b8702b3ef497ed9a completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d90d76fd88819086c61c40216a8932 completed April 10, 2026, 2:47 p.m.
NEDg Description generation batch_69d91156a1b08190b5caeff755387692 completed April 10, 2026, 3:03 p.m.
NED2 Entity disambiguation (via description) batch_69d91214c75c8190af55173325a0f409 completed April 10, 2026, 3:07 p.m.
Created at: April 6, 2026, 11:58 a.m.