Triple

T21397330
Position Surface form Disambiguated ID Type / Status
Subject Webster Groves, Missouri E527818 entity
Predicate hasRailStation P726 FINISHED
Object Webster Groves station
Webster Groves station is a historic passenger rail station in Webster Groves, Missouri, serving as a local stop on the regional commuter rail network.
E1482343 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: Webster Groves station | Statement: [Webster Groves, Missouri, hasRailStation, Webster Groves station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Webster Groves station
Context triple: [Webster Groves, Missouri, hasRailStation, Webster Groves station]
  • A. O'Fallon Station
    O'Fallon Station is a historic former railroad depot in O'Fallon, Illinois, that now serves as a preserved landmark and community gathering space.
  • B. Kirkwood station
    Kirkwood station is a historic Amtrak passenger rail station in downtown Kirkwood, Missouri, known for its Richardsonian Romanesque architecture and active community volunteers.
  • C. 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.
  • D. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • E. Benton Metro station
    Benton Metro station is a Tyne and Wear Metro station serving the suburban area of Benton in North Tyneside, England.
  • 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: Webster Groves station
Triple: [Webster Groves, Missouri, hasRailStation, Webster Groves station]
Generated description
Webster Groves station is a historic passenger rail station in Webster Groves, Missouri, serving as a local stop on the regional commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Webster Groves station
Target entity description: Webster Groves station is a historic passenger rail station in Webster Groves, Missouri, serving as a local stop on the regional commuter rail network.
  • A. O'Fallon Station
    O'Fallon Station is a historic former railroad depot in O'Fallon, Illinois, that now serves as a preserved landmark and community gathering space.
  • B. Kirkwood station
    Kirkwood station is a historic Amtrak passenger rail station in downtown Kirkwood, Missouri, known for its Richardsonian Romanesque architecture and active community volunteers.
  • C. 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.
  • D. River Grove station
    River Grove station is a commuter rail stop in River Grove, Illinois, served by Metra’s North Central Service line in the Chicago metropolitan area.
  • E. Benton Metro station
    Benton Metro station is a Tyne and Wear Metro station serving the suburban area of Benton in North Tyneside, England.
  • 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_69e0b51ff3748190935c0a513c62a12b completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e8b16a9c7c819083bd2d298106fdf1 completed April 22, 2026, 11:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09bb4d8e34819084b8f3f172dd72e1 completed May 17, 2026, 12:57 p.m.
NEDg Description generation batch_6a09bea3994481908b7a782fd384603a completed May 17, 2026, 1:12 p.m.
NED2 Entity disambiguation (via description) batch_6a09bfa27d848190bb77d632359a11b3 completed May 17, 2026, 1:16 p.m.
Created at: April 16, 2026, 5:13 p.m.