Triple

T8090183
Position Surface form Disambiguated ID Type / Status
Subject Downtown St. Louis, Missouri E188836 entity
Predicate hasMetroLinkStation P39430 FINISHED
Object 8th & Pine station
8th & Pine station is a MetroLink light rail stop serving the central business district of downtown St. Louis, Missouri.
E711375 NE FINISHED

How this triple was built (5 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: 8th & Pine station | Statement: [Downtown St. Louis, Missouri, hasMetroLinkStation, 8th & Pine station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: 8th & Pine station
Context triple: [Downtown St. Louis, Missouri, hasMetroLinkStation, 8th & Pine station]
  • A. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • B. Brigham Circle station
    Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
  • C. Capitol Hill station
    Capitol Hill station is a Link light rail station in Seattle’s Capitol Hill neighborhood, serving as a key transit hub connecting the area to downtown and the University of Washington.
  • D. Farragut North station
    Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
  • E. Dupont Circle station
    Dupont Circle station is a Washington, D.C. Metro station on the Red Line serving the Dupont Circle neighborhood and nearby areas such as Kalorama.
  • 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: 8th & Pine station
Triple: [Downtown St. Louis, Missouri, hasMetroLinkStation, 8th & Pine station]
Generated description
8th & Pine station is a MetroLink light rail stop serving the central business district of downtown St. Louis, Missouri.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: 8th & Pine station
Target entity description: 8th & Pine station is a MetroLink light rail stop serving the central business district of downtown St. Louis, Missouri.
  • A. McPherson Square station
    McPherson Square station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the area near the White House and major federal and commercial buildings.
  • B. Brigham Circle station
    Brigham Circle station is a light rail stop on the MBTA Green Line E branch located in Boston’s Mission Hill neighborhood.
  • C. Capitol Hill station
    Capitol Hill station is a Link light rail station in Seattle’s Capitol Hill neighborhood, serving as a key transit hub connecting the area to downtown and the University of Washington.
  • D. Farragut North station
    Farragut North station is a Washington Metro rapid transit station in downtown Washington, D.C., serving the Red Line near Farragut Square.
  • E. Dupont Circle station
    Dupont Circle station is a Washington, D.C. Metro station on the Red Line serving the Dupont Circle neighborhood and nearby areas such as Kalorama.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasMetroLinkStation
Context triple: [Downtown St. Louis, Missouri, hasMetroLinkStation, 8th & Pine station]
  • A. hasMetroStations chosen
    Indicates that a place or area is served by one or more metro (subway) stations.
  • B. hasMetroLine
    Indicates that a location or area is served by, or connected to, a specific metro (subway) line.
  • C. hasLightRailStationPlanned
    Indicates that a light rail station is planned or scheduled to be built at or associated with the given entity.
  • D. hasMetropolitanConnectionWith
    Indicates that there is a significant relationship or linkage between two entities based on shared or interacting metropolitan areas, such as through infrastructure, services, or regional integration.
  • E. hasStationInCity
    Indicates that a station or facility is located within a particular city.
  • F. None of above.

Provenance (6 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_69ca82b7b3e88190b9041ab0ef28b3cb completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb421e30e88190b9699b338b69b81c completed March 31, 2026, 3:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc640a42648190bc1a3072eb338e22 completed April 1, 2026, 12:17 a.m.
NEDg Description generation batch_69cc68d9032c8190af6c5ff64fe46aff completed April 1, 2026, 12:37 a.m.
NED2 Entity disambiguation (via description) batch_69cc69f6bb308190a95df95d1a67cfec completed April 1, 2026, 12:42 a.m.
PD Predicate disambiguation batch_69cb04a14cd88190a79ed26cbeec1c33 completed March 30, 2026, 11:17 p.m.
Created at: March 30, 2026, 5:29 p.m.