Triple
T4241829
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Central Service |
E95430
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Rosemont station (Metra) |
E129393
|
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: Rosemont station (Metra) | Statement: [North Central Service, hasStation, Rosemont station (Metra)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rosemont station (Metra) Context triple: [North Central Service, hasStation, Rosemont station (Metra)]
-
A.
Hanover Park Metra station
Hanover Park Metra station is a commuter rail station in Hanover Park, Illinois, serving Metra’s Milwaukee District/West Line between Chicago and its northwestern suburbs.
-
B.
Barrington Metra station
Barrington Metra station is a commuter rail station in Barrington, Illinois, serving as a stop on Metra's Union Pacific Northwest Line connecting the suburb to downtown Chicago.
-
C.
Rosemont station
chosen
Rosemont station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the suburb of Rosemont near O'Hare International Airport.
-
D.
Berwyn station (Chicago "L")
Berwyn station is a Chicago "L" rapid transit stop on the Red Line located in the Edgewater neighborhood on the city's North Side.
-
E.
Western Avenue station (Metra)
Western Avenue station (Metra) is a commuter rail stop in Chicago, Illinois, serving Metra’s North Central Service and other lines as part of the city’s regional rail network.
- 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_69b3453d91548190b4d4ef8fe52aa2ac |
completed | March 12, 2026, 10:59 p.m. |
| NER | Named-entity recognition | batch_69b34e891bc08190831187da4f553f48 |
completed | March 12, 2026, 11:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5b779a93081909af1abdf664f040f |
completed | March 14, 2026, 7:31 p.m. |
Created at: March 12, 2026, 11:05 p.m.