Triple
T16935488
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rotem bi-level coach |
E410815
|
entity |
| Predicate | marketedFor |
P5087
|
FINISHED |
| Object | North American commuter rail operators |
E609868
|
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: North American commuter rail operators | Statement: [Rotem bi-level coach, marketedFor, North American commuter rail operators]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North American commuter rail operators Context triple: [Rotem bi-level coach, marketedFor, North American commuter rail operators]
-
A.
North American commuter railroads
chosen
North American commuter railroads are passenger rail systems that provide medium-distance, peak-oriented train service between suburban or outlying areas and major urban centers across the continent.
-
B.
Amtrak corridor services
Amtrak corridor services are short- to medium-distance intercity passenger rail routes that connect major cities and regions across the United States with frequent, higher-speed train service.
-
C.
Regional Railways
Regional Railways was one of the post-sectorisation passenger business sectors of British Rail, responsible for operating local and regional train services across much of the UK outside the main intercity and commuter networks.
-
D.
Amtrak Midwest services
Amtrak Midwest services are a network of state-supported intercity passenger rail routes connecting major cities across the Midwestern United States.
-
E.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- 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_69d886c886688190967be07322597ac9 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cf2a05f48190a0a8ac86985f4000 |
completed | April 18, 2026, 6:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfe2d4f48190b965b6c0a3cc0125 |
completed | May 10, 2026, 6:35 p.m. |
Created at: April 10, 2026, 5:30 a.m.