Triple
T23317404
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak corridor services |
E590746
|
entity |
| Predicate | notableCorridor |
P10970
|
FINISHED |
| Object | Heartland Flyer |
—
|
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: Heartland Flyer | Statement: [Amtrak corridor services, notableCorridor, Heartland Flyer]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heartland Flyer Context triple: [Amtrak corridor services, notableCorridor, Heartland Flyer]
-
A.
Heartland Flyer
chosen
The Heartland Flyer is an Amtrak passenger train that operates daily between Oklahoma City, Oklahoma, and Fort Worth, Texas, providing regional rail service through the Southern Plains.
-
B.
Heartland
Heartland is an American country music duo known for their traditional country sound and chart-topping hits in the mid-2000s.
-
C.
Heartland
Heartland is a long-running Canadian family drama television series that follows the lives and challenges of a multigenerational ranching family in rural Alberta.
-
D.
Heartland
Heartland is a 2021 country-rap fusion album by American rapper Nelly that features collaborations with several country artists.
-
E.
Heartland
Heartland is a notable work associated with Roxanne Lee, recognized for its contribution to her reputation as an author.
- 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_69e25d1d32188190948eb76909d1dcc3 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f197828c408190ae071624e40de4cc |
completed | April 29, 2026, 5:30 a.m. |
Created at: April 17, 2026, 5:06 p.m.