Triple
T19855915
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dearborn Station |
E477130
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Chicago "Big Six" railroad terminals |
—
|
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 "Big Six" railroad terminals | Statement: [Dearborn Station, partOf, Chicago "Big Six" railroad terminals]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago "Big Six" railroad terminals Context triple: [Dearborn Station, partOf, Chicago "Big Six" railroad terminals]
-
A.
Chicago, Burlington and Quincy Railroad station
Chicago, Burlington and Quincy Railroad station was the original name of what is now known as Hinsdale station, a historic commuter rail stop in Hinsdale, Illinois that once served the CB&Q Railroad.
-
B.
Illinois Central Railroad terminal
The Illinois Central Railroad terminal was a major passenger rail hub in downtown Chicago that served as a key gateway for regional and long-distance trains in the late 19th and early 20th centuries.
-
C.
Central Station, Chicago
chosen
Central Station in Chicago was a major passenger railroad terminal that served as a key transportation hub for several railroads on the city's Near South Side.
-
D.
Belt Railway of Chicago
The Belt Railway of Chicago is a major terminal railroad that provides switching and interchange services among multiple freight railroads in the Chicago area.
-
E.
Pullman, Chicago
Pullman, Chicago is a historic South Side neighborhood known for its 19th-century planned industrial community and landmark architecture tied to the Pullman Palace Car Company.
- 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_69d8e51d39d081909bcfafeaaf3d2fcc |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6586c14fc81908d34785f1088b0a9 |
completed | April 20, 2026, 4:46 p.m. |
Created at: April 10, 2026, 1:51 p.m.