Triple
T11735519
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Siemens Charger locomotives |
E279015
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object | Siemens Mobility |
E71176
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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: Siemens Mobility | Statement: [Amtrak Siemens Charger locomotives, manufacturer, Siemens Mobility]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Siemens Mobility Context triple: [Amtrak Siemens Charger locomotives, manufacturer, Siemens Mobility]
-
A.
Siemens Transportation Systems
chosen
Siemens Transportation Systems is a division of Siemens AG that designs and manufactures rail vehicles and related transportation infrastructure and technologies.
-
B.
Stadler Rail
Stadler Rail is a Swiss manufacturer of railway rolling stock known for producing regional and commuter trains, trams, and light rail vehicles for markets worldwide.
-
C.
Alstom (formerly Bombardier Transportation)
Alstom (formerly Bombardier Transportation) is a major global rail transport manufacturer known for producing trains, trams, and related railway systems and equipment.
-
D.
Hitachi Rail
Hitachi Rail is a global rail transport and engineering company that designs, manufactures, and maintains trains and railway systems for urban, intercity, and high-speed networks.
-
E.
Siemens rolling stock
Siemens rolling stock refers to the range of railway vehicles and train systems manufactured by Siemens, including metros, trams, regional and high-speed trains used worldwide.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d6aaffec6881908bead509e8621742 |
elicitation | completed |
| NER | batch_69d8a4edced48190b7a59dd45921828e |
ner | completed |
| NED1 | batch_69f019b318188190bfb7effcf42974d2 |
ned_source_triple | completed |
Created at: April 8, 2026, 9:41 p.m.