Triple
T13469733
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bi-State Development Agency (Metro) transit system |
E311596
|
entity |
| Predicate | lightRailBrand |
P473
|
FINISHED |
| Object | MetroLink |
E34297
|
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: MetroLink | Statement: [Bi-State Development Agency (Metro) transit system, lightRailBrand, MetroLink]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MetroLink Context triple: [Bi-State Development Agency (Metro) transit system, lightRailBrand, MetroLink]
-
A.
MetroLink light rail
chosen
MetroLink light rail is the bi-state light rail transit system serving the Greater St. Louis area, providing regional passenger rail service across parts of Missouri and Illinois.
-
B.
MetroLink Red Line
The MetroLink Red Line is a primary light rail route in the St. Louis MetroLink system, connecting key destinations across the St. Louis metropolitan area.
-
C.
Metro Rail
Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
-
D.
STL Metro
STL Metro is a public transit system serving the St. Louis metropolitan area with buses and light rail services.
-
E.
Metro Rapid
Metro Rapid is a network of limited-stop, high-frequency bus routes in Los Angeles designed to provide faster service along major corridors than regular local buses.
- 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_69d806a938b8819097ec43a2229fc7f9 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dbaf21e46081908a00c9acf54f270f |
completed | April 12, 2026, 2:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7547f6b1c8190965b239da0b47e93 |
completed | May 3, 2026, 1:58 p.m. |
Created at: April 9, 2026, 9:42 p.m.