Triple
T2996004
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 7th Street/Metro Center |
E81067
|
entity |
| Predicate | servesService |
P839
|
FINISHED |
| Object | Amtrak (via nearby connections) |
E1072
|
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 (via nearby connections) | Statement: [7th Street/Metro Center, servesService, Amtrak (via nearby connections)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amtrak (via nearby connections) Context triple: [7th Street/Metro Center, servesService, Amtrak (via nearby connections)]
-
A.
Amtrak Midwest services
Amtrak Midwest services are a network of state-supported intercity passenger rail routes connecting major cities across the Midwestern United States.
-
B.
Amtrak
chosen
Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
-
C.
Amtrak Thruway Motorcoach
Amtrak Thruway Motorcoach is a network of intercity bus services that connect communities without rail stations to Amtrak’s passenger train system across various regions in the United States.
-
D.
Amtrak Northeast Corridor routes
Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
-
E.
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.
- 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_69ad8b187fc8819085914d3c9ea3142d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad99f481688190ae8cd1e057f9dfc7 |
completed | March 8, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b10908cfe48190bf244d5a3dbc958b |
completed | March 11, 2026, 6:17 a.m. |
Created at: March 8, 2026, 2:59 p.m.