Triple
T10683905
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Battle Creek Intermodal Transportation Center |
E251825
|
entity |
| Predicate | servesOperator |
P5884
|
FINISHED |
| Object | Amtrak Blue Water service |
E881486
|
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: Amtrak Blue Water service | Statement: [Battle Creek Intermodal Transportation Center, servesOperator, Amtrak Blue Water service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak Blue Water service Context triple: [Battle Creek Intermodal Transportation Center, servesOperator, Amtrak Blue Water service]
-
A.
Amtrak Blue Water
chosen
Amtrak Blue Water is a passenger rail service operated by Amtrak that runs between Chicago, Illinois, and Port Huron, Michigan, serving communities across southern and central Michigan.
-
B.
Amtrak Lake Shore Limited
Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
-
C.
Amtrak Wolverine service
Amtrak Wolverine service is a passenger rail line operated by Amtrak that runs between Chicago and Pontiac in Michigan, serving key cities across the state.
-
D.
Amtrak Keystone Service
Amtrak Keystone Service is a passenger rail service operated by Amtrak that runs primarily between New York City and Harrisburg, Pennsylvania, providing frequent regional connections along the Keystone Corridor.
-
E.
Amtrak Hiawatha Service
Amtrak Hiawatha Service is a frequent intercity passenger rail route operated by Amtrak between Chicago, Illinois, and Milwaukee, Wisconsin.
- 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_69d6aa5bd7c08190a816e733b4045c23 |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d6fcc5134c8190bcb1d96a32634c17 |
completed | April 9, 2026, 1:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69de225f57948190aaf2954bce91f752 |
completed | April 14, 2026, 11:17 a.m. |
Created at: April 8, 2026, 9:10 p.m.