Alstom
E813505
Alstom is a French multinational company that designs, manufactures, and services rail transport equipment and systems, including trains, metros, and signaling solutions.
All labels observed (14)
| Label | Occurrences |
|---|---|
| Alstom canonical | 116 |
| Alsthom | 11 |
| Alstom Transport | 9 |
| Alstom Ferroviaria | 4 |
| GEC Alsthom | 4 |
| GEC-Alsthom | 2 |
| Alsthom engineers | 1 |
| Alstom (TGV-derived design) | 1 |
| Alstom (through acquisition of Bombardier Transportation) | 1 |
| Alstom North America | 1 |
| Alstom SA | 1 |
| Alstom Transport Deutschland | 1 |
| Alstom Transport Germany | 1 |
| Alstom Transport engineering teams | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9656035 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alstom Context triple: [R160, manufacturer, Alstom]
-
A.
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.
-
B.
Alcatel Alsthom
Alcatel Alsthom was a major French industrial conglomerate active in telecommunications, power generation, and transport infrastructure before being restructured and rebranded as Alcatel.
-
C.
Siemens Transportation Systems
Siemens Transportation Systems is a division of Siemens AG that designs and manufactures rail vehicles and related transportation infrastructure and technologies.
-
D.
Alstom Juniper
Alstom Juniper is a family of electric multiple unit trains built by Alstom for use on the British railway network.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Alstom Target entity description: Alstom is a French multinational company that designs, manufactures, and services rail transport equipment and systems, including trains, metros, and signaling solutions.
-
A.
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.
-
B.
Alcatel Alsthom
Alcatel Alsthom was a major French industrial conglomerate active in telecommunications, power generation, and transport infrastructure before being restructured and rebranded as Alcatel.
-
C.
Siemens Transportation Systems
Siemens Transportation Systems is a division of Siemens AG that designs and manufactures rail vehicles and related transportation infrastructure and technologies.
-
D.
Alstom Juniper
Alstom Juniper is a family of electric multiple unit trains built by Alstom for use on the British railway network.
-
E.
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.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
multinational company
ⓘ
public company ⓘ rolling stock manufacturer ⓘ |
| acquired |
Bombardier Transportation
ⓘ
linked to:
Bombardier
|
| acquisitionOfBombardierTransportationCompleted | 2021 ⓘ |
| areaServed | worldwide ⓘ |
| countryOfOrigin | France ⓘ |
| develops | hydrogen fuel cell trains ⓘ |
| focusesOn | sustainable mobility solutions ⓘ |
| foundedBy |
Compagnie Française Thomson-Houston
ⓘ
linked to:
Compagnie Générale d’Electricité
Société Alsacienne de Constructions Mécaniques ⓘ |
| hasSubsidiary |
Alstom Grid (historical, later sold)
ⓘ
linked to:
Hitachi Energy
Alstom Transport ⓘ
linked to:
Alstom
|
| headquartersCountry | France ⓘ |
| headquartersLocation |
Saint-Ouen-sur-Seine
ⓘ
linked to:
Saint-Ouen
|
| inception | 1928 ⓘ |
| industry |
rail transport
ⓘ
railway signaling ⓘ rolling stock manufacturing ⓘ transport infrastructure ⓘ |
| ISIN | FR0010220475 ⓘ |
| keyMarket |
Asia-Pacific
ⓘ
Europe ⓘ Middle East ⓘ North America ⓘ |
| listedOn |
Euronext Paris
ⓘ
linked to:
Euronext
|
| majorShareholder |
French state (via Bpifrance)
ⓘ
linked to:
Bpifrance
|
| nameChange | Alstom ⓘ |
| nameChangeDate | 1998 ⓘ |
| notableHydrogenTrain |
Coradia iLint
ⓘ
linked to:
Alstom Coradia iLint hydrogen multiple unit
|
| notableProduct |
AGV high-speed train
ⓘ
Atlas ERTMS signaling system ⓘ Citadis tram family ⓘ
linked to:
Alstom Citadis tram
Coradia regional train family ⓘ
linked to:
Alstom Coradia
Metropolis metro family ⓘ Pendolino tilting train family ⓘ
linked to:
Alstom New Pendolino
TGV high-speed train (as historical main supplier) ⓘ
linked to:
TGV trainsets
|
| numberOfEmployees | over 70,000 ⓘ |
| officialWebsite | https://www.alstom.com ⓘ |
| originallyFormedAs |
Alsthom
ⓘ
linked to:
Alstom
|
| products |
high-speed trains
ⓘ
intercity trains ⓘ light rail vehicles ⓘ locomotives ⓘ metros ⓘ railway maintenance services ⓘ railway signaling systems ⓘ regional trains ⓘ train control systems ⓘ trams ⓘ |
| saleOfEnergyBusinessCompletion | 2015 ⓘ |
| soldBusiness | energy business to General Electric ⓘ |
| stockIndex | CAC Next 20 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Alstom Description of subject: Alstom is a French multinational company that designs, manufactures, and services rail transport equipment and systems, including trains, metros, and signaling solutions.
Referenced by (154)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
R160 (historically)
subject linked to:
Toronto Rocket trains
linked to: Alstom
linked to: Alstom
subject linked to:
Class 345 Aventra
linked to: Alstom
linked to: Alstom
linked to: Alstom
linked to: Alstom
subject linked to:
French Open golf (Open de France)
subject linked to:
TGV V150 test train
subject linked to:
TGV V150 test train
linked to: Alstom
linked to: Alstom
linked to: Alstom