Triple
T5613414
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Burlington Route commuter service |
E147416
|
entity |
| Predicate | commuterMarket |
P3745
|
FINISHED |
| Object | Chicago–La Grange corridor |
E538786
|
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: Chicago–La Grange corridor | Statement: [Burlington Route commuter service, commuterMarket, Chicago–La Grange corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–La Grange corridor Context triple: [Burlington Route commuter service, commuterMarket, Chicago–La Grange corridor]
-
A.
Chicago–La Grange corridor
chosen
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
B.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
C.
Chicago–Aurora corridor
The Chicago–Aurora corridor is a heavily traveled suburban rail and commuter route linking downtown Chicago with the city of Aurora in Illinois.
-
D.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
E.
Illini (Amtrak)
The Illini is an Amtrak passenger train service operating in Illinois, primarily connecting Chicago with Carbondale and serving intermediate communities along the route.
- 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_69c00905d4588190bd967842bbcf2219 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c021226cf88190b70b4b51eb5b4144 |
completed | March 22, 2026, 5:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07d9957e481909b57e8d524f4b4f6 |
completed | March 22, 2026, 11:39 p.m. |
Created at: March 22, 2026, 3:39 p.m.