Triple
T1596731
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MetroLink light rail |
E34297
|
entity |
| Predicate | hasRegionServed |
P82
|
FINISHED |
| Object | bi-state St. Louis metropolitan area |
E49719
|
NE FINISHED |
How this triple was built (2 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: bi-state St. Louis metropolitan area | Statement: [MetroLink light rail, hasRegionServed, bi-state St. Louis metropolitan area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: bi-state St. Louis metropolitan area Context triple: [MetroLink light rail, hasRegionServed, bi-state St. Louis metropolitan area]
-
A.
St. Louis metropolitan area
chosen
The St. Louis metropolitan area is a bi-state urban region centered on the city of St. Louis, spanning parts of Missouri and Illinois and serving as a major Midwestern hub for culture, education, and industry.
-
B.
St. Louis, Missouri, United States
St. Louis, Missouri, United States is a major Midwestern city on the Mississippi River known for its iconic Gateway Arch, rich musical and cultural heritage, and historical role as a gateway to the American West.
-
C.
Kansas City metropolitan area
The Kansas City metropolitan area is a major bi-state urban region centered on Kansas City, spanning parts of Missouri and Kansas and known for its jazz heritage, barbecue, and diverse economy.
-
D.
St. Louis–Belleville metropolitan area (Illinois portion)
The St. Louis–Belleville metropolitan area (Illinois portion) is the segment of the greater St. Louis metro region located in southwestern Illinois, encompassing cities and suburbs such as Belleville and East St. Louis that are economically and socially integrated with St. Louis, Missouri.
-
E.
New York City and St. Louis
New York City and St. Louis are major American cities that historically served as key endpoints of an important east–west rail corridor across the United States.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a885fdcb9c819081ce6f0b8cd477dd |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a9092e46748190b27be7d1aba07dff |
completed | March 5, 2026, 4:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad46a848ec819085c82be8eaea2044 |
completed | March 8, 2026, 9:51 a.m. |
Created at: March 4, 2026, 7:27 p.m.