Triple
T5613426
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak services at Chicago Union Station |
E147417
|
entity |
| Predicate | connectsToRegion |
P845
|
FINISHED |
| Object | Midwest |
E405
|
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: Midwest | Statement: [Amtrak services at Chicago Union Station, connectsToRegion, Midwest]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midwest Context triple: [Amtrak services at Chicago Union Station, connectsToRegion, Midwest]
-
A.
Midwest Region
The Midwest Region is one of the four geographic brackets used to organize teams and games in the NCAA Division I Men’s Basketball Tournament.
-
B.
Middle West
Middle West is an independent record label known for releasing music by projects such as Justin Vernon’s blues-rock band The Shouting Matches.
-
C.
North Central
North Central is one of Nigeria’s six geopolitical zones, encompassing several states in the country’s middle belt region.
-
D.
Central United States
The Central United States is a broad region of the country that spans the middle portion of the contiguous U.S., encompassing parts of the Midwest, Great Plains, and South.
-
E.
Midwestern United States
chosen
The Midwestern United States is a region of the country known for its agricultural heartland, major industrial cities, and central role in American culture and history.
- 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_69c05a045c4881909a3e48a242db5d22 |
completed | March 22, 2026, 9:07 p.m. |
Created at: March 22, 2026, 3:39 p.m.