Triple
T11698720
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago South Shore and South Bend Railroad |
E278064
|
entity |
| Predicate | easternTerminus |
P388
|
FINISHED |
| Object | South Bend International Airport station |
E273890
|
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: South Bend International Airport station | Statement: [Chicago South Shore and South Bend Railroad, easternTerminus, South Bend International Airport station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Bend International Airport station Context triple: [Chicago South Shore and South Bend Railroad, easternTerminus, South Bend International Airport station]
-
A.
South Bend Airport station
chosen
South Bend Airport station is a passenger rail station in South Bend, Indiana that serves as the eastern terminus of the South Shore Line commuter rail connecting to Chicago.
-
B.
Elkhart station
Elkhart station is a historic passenger rail station in Elkhart, Indiana, serving Amtrak trains and housing a railroad museum.
-
C.
Racine station
Racine station is a Chicago 'L' rapid transit stop on the Blue Line located in the Near West Side neighborhood of Chicago, Illinois.
-
D.
Randolph/Wabash station
Randolph/Wabash station was a former elevated Chicago "L" station in the Loop that served multiple train lines before being closed and replaced by the modern Washington/Wabash station.
-
E.
Adams/Wabash station
Adams/Wabash station is an elevated Chicago "L" train stop in the Loop, serving multiple lines in the heart of downtown Chicago.
- 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_69d6aafe02d881909900d54ad7d4af84 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d8a47df68c81908a91919a69b4880d |
completed | April 10, 2026, 7:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ef833084988190b5004c93f68dc628 |
completed | April 27, 2026, 3:39 p.m. |
Created at: April 8, 2026, 9:40 p.m.