Triple
T20025242
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lockport, Illinois |
E494963
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object | Lockport station (Metra) |
—
|
NE NERFINISHED |
How this triple was built (3 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: Lockport station (Metra) | Statement: [Lockport, Illinois, hasRailStation, Lockport station (Metra)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lockport station (Metra) Context triple: [Lockport, Illinois, hasRailStation, Lockport station (Metra)]
-
A.
Blue Island station (Metra Electric)
Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
-
B.
Plano station (Metra)
Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
-
C.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
D.
Lombard Metra station
Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
-
E.
Libertyville station
Libertyville station is a commuter rail station in Libertyville, Illinois, that provides regional train service for local residents traveling to and from the Chicago metropolitan area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lockport station (Metra) Target entity description: Lockport station (Metra) is a commuter rail station on Metra's Heritage Corridor line serving passengers in Lockport, Illinois.
-
A.
Blue Island station (Metra Electric)
Blue Island station (Metra Electric) is a commuter rail station on Metra's Electric District line serving passengers in the suburb of Blue Island, Illinois.
-
B.
Plano station (Metra)
Plano station (Metra) is a commuter rail station in Plano, Illinois, served by Metra's BNSF Railway Line connecting the suburb to Chicago.
-
C.
Metra Rock Island District 35th Street station
Metra Rock Island District 35th Street station is a commuter rail stop in Chicago serving the Rock Island District line, located near Guaranteed Rate Field and providing access to the surrounding Bronzeville and Bridgeport areas.
-
D.
Lombard Metra station
Lombard Metra station is a commuter rail stop in Lombard, Illinois, providing regional train service that connects the village’s historic downtown with the broader Chicago metropolitan area.
-
E.
Libertyville station
Libertyville station is a commuter rail station in Libertyville, Illinois, that provides regional train service for local residents traveling to and from the Chicago metropolitan area.
- F. None of above. chosen
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_69da626bfd288190aa5d65098b6433ae |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6628d5b8c8190a35f95ac4a016550 |
completed | April 20, 2026, 5:29 p.m. |
Created at: April 11, 2026, 3:35 p.m.