Triple
T9550535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Glen Ellyn station |
E230409
|
entity |
| Predicate | onLine |
P1293
|
FINISHED |
| Object | Union Pacific/West Line |
E199279
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Union Pacific/West Line | Statement: [Glen Ellyn station, onLine, Union Pacific/West Line]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific/West Line Context triple: [Glen Ellyn station, onLine, Union Pacific/West Line]
-
A.
Union Pacific North Line
The Union Pacific North Line is a Metra commuter rail line in the Chicago metropolitan area that runs north from downtown Chicago through suburbs along Lake Michigan into Kenosha, Wisconsin.
-
B.
Union Pacific West Line
chosen
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
-
C.
Union Pacific Northwest Line
The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
-
D.
Union Pacific Railroad Niles Subdivision
The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
-
E.
Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69ca847d3be8819099c9dad2a7e786f1 |
elicitation | completed |
| NER | batch_69cd9906bc90819086f105c453e63c83 |
ner | completed |
| NED1 | batch_69d1528068a481908d5c8037b4591db5 |
ned_source_triple | completed |
Created at: March 30, 2026, 8:02 p.m.