Triple
T1925733
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Downers Grove, Illinois |
E40826
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object | Downers Grove Main Street station |
E169123
|
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: Downers Grove Main Street station | Statement: [Downers Grove, Illinois, hasRailStation, Downers Grove Main Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downers Grove Main Street station Context triple: [Downers Grove, Illinois, hasRailStation, Downers Grove Main Street station]
-
A.
Downers Grove Main Street station
chosen
Downers Grove Main Street station is a commuter rail station in Downers Grove, Illinois, serving as a key stop for suburban passengers traveling to and from downtown Chicago.
-
B.
Glenview station
Glenview station is a commuter rail station in Glenview, Illinois, serving as a stop for Metra and Amtrak trains in the Chicago metropolitan area.
-
C.
Oakton–Skokie station
Oakton–Skokie station is a Chicago Transit Authority rapid transit stop in Skokie, Illinois, serving as a local access point on the Yellow Line.
-
D.
Dempster–Skokie station
Dempster–Skokie station is a Chicago Transit Authority rapid transit station in Skokie, Illinois, serving as the northern endpoint of the Yellow Line and a key park-and-ride hub for commuters.
-
E.
Naperville station
Naperville station is a commuter rail station in Naperville, Illinois, serving as a major stop for Metra and Amtrak trains in the western suburbs of 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_69a8864711648190b07bed24ed76258e |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb260da088190ac53bfc9437e112b |
completed | March 7, 2026, 5:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae0ac4ea348190b8f2ebc2f81ea353 |
completed | March 8, 2026, 11:48 p.m. |
Created at: March 4, 2026, 7:35 p.m.