Triple
T21628928
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Diamond |
E533775
|
entity |
| Predicate | primaryRoute |
P6298
|
FINISHED |
| Object | Chicago–St. Louis |
—
|
NE NERFINISHED |
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: Chicago–St. Louis | Statement: [Green Diamond, primaryRoute, Chicago–St. Louis]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–St. Louis Context triple: [Green Diamond, primaryRoute, Chicago–St. Louis]
-
A.
Cleveland–St. Louis
Cleveland–St. Louis was a principal intercity rail corridor in the Midwestern United States that connected Cleveland, Ohio, with St. Louis, Missouri.
-
B.
Chicago–Kansas City
Chicago–Kansas City is a major Midwestern rail corridor linking Chicago, Illinois, with Kansas City, Missouri, serving as an important freight and passenger route.
-
C.
Pittsburgh–St. Louis
Pittsburgh–St. Louis refers to the intercity rail corridor linking Pittsburgh, Pennsylvania, with St. Louis, Missouri, historically used by major Midwestern and Eastern railroads.
-
D.
Chicago–Omaha
Chicago–Omaha was a key Midwestern rail corridor linking Chicago, Illinois, with Omaha, Nebraska, and serving as an important route for both passenger and freight traffic.
-
E.
Chicago–St. Louis corridor
chosen
The Chicago–St. Louis corridor is a major Midwestern passenger rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key segment of Amtrak’s intercity service.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0c464fba881908d0ff2ac80511ce1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef5214e72c8190af109089f58fca4f |
completed | April 27, 2026, 12:09 p.m. |
Created at: April 16, 2026, 6:34 p.m.