Triple
T21397330
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Webster Groves, Missouri |
E527818
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object | Webster Groves station |
—
|
NE NERFINISHED |
How this triple was built (3 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.
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 (2 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. |
Created at: April 16, 2026, 5:13 p.m.