Triple
T18931161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Round Lake (lake in Illinois) |
E463110
|
entity |
| Predicate | hasNearbyTransportation |
P6208
|
FINISHED |
| Object | Metra North Central Service (via nearby stations in Round Lake area) |
—
|
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: Metra North Central Service (via nearby stations in Round Lake area) | Statement: [Round Lake (lake in Illinois), hasNearbyTransportation, Metra North Central Service (via nearby stations in Round Lake area)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra North Central Service (via nearby stations in Round Lake area) Context triple: [Round Lake (lake in Illinois), hasNearbyTransportation, Metra North Central Service (via nearby stations in Round Lake area)]
-
A.
Metra North Central Service
chosen
Metra North Central Service is a commuter rail line in the Chicago metropolitan area that runs between downtown Chicago and northern suburbs, primarily serving communities along the I-94 and I-294 corridors.
-
B.
Metra commuter rail services at Chicago Union Station
Metra commuter rail services at Chicago Union Station are a network of regional passenger trains that connect downtown Chicago with its surrounding suburbs via multiple lines terminating or passing through this major terminal.
-
C.
Chicago metropolitan area commuter rail network
The Chicago metropolitan area commuter rail network is a regional passenger rail system serving Chicago and its surrounding suburbs, primarily operated by Metra.
-
D.
Amtrak service via nearby Sturtevant station
Amtrak service via nearby Sturtevant station is a passenger rail connection that links the Racine area to regional and intercity train routes.
-
E.
Metra at Jefferson Park
Metra at Jefferson Park is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key transfer point between Metra trains and CTA transit services.
- 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_69d8dcfdbbb881909964fa5a75bd0b48 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c9c0b84881909ad6da9522203df8 |
completed | April 20, 2026, 6:37 a.m. |
Created at: April 10, 2026, 11:59 a.m.