11-M
E595104
11-M is the commonly used Spanish shorthand for the 2004 Madrid train bombings, a coordinated terrorist attack on commuter trains that killed 193 people and injured thousands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 11-M canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6467135 — 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: 11-M Context triple: [2004 Madrid train bombings, alsoKnownAs, 11-M]
-
A.
M11
The M11 is a major motorway in Ireland that connects Dublin to the southeast, serving key towns and counties including County Wexford.
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B.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
-
C.
M11
M11 is a rich, compact open star cluster in the constellation Scutum, also known as the Wild Duck Cluster.
-
D.
#11S
#11S is a Catalan hashtag commonly used to refer to the National Day of Catalonia on September 11, especially in the context of pro-independence demonstrations and political events.
-
E.
M1
M1 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s waters.
- 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: 11-M Target entity description: 11-M is the commonly used Spanish shorthand for the 2004 Madrid train bombings, a coordinated terrorist attack on commuter trains that killed 193 people and injured thousands.
-
A.
M11
M11 is a major motorway in England that connects London to Cambridge and the East Anglia region.
-
B.
M11
M11 is a rich, compact open star cluster in the constellation Scutum, also known as the Wild Duck Cluster.
-
C.
M11
The M11 is a major motorway in Ireland that connects Dublin to the southeast, serving key towns and counties including County Wexford.
-
D.
#11S
#11S is a Catalan hashtag commonly used to refer to the National Day of Catalonia on September 11, especially in the context of pro-independence demonstrations and political events.
-
E.
M1
M1 is a boat line that operates as part of Geneva’s public transport network, providing passenger service across the city’s waters.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Islamist terrorism
ⓘ
bombing ⓘ mass murder ⓘ terrorist attack ⓘ |
| aftermath | withdrawal of Spanish troops from Iraq ⓘ |
| alsoKnownAs |
11 de marzo de 2004
ⓘ
2004 Madrid train bombings ⓘ Madrid train bombings ⓘ
linked to:
2004 Madrid train bombings
|
| commemoratedOn | March 11 each year ⓘ |
| commuterRailSystem |
Cercanías Madrid
ⓘ
linked to:
Cercanías Madrid commuter rail
|
| country | Spain ⓘ |
| date | 2004-03-11 ⓘ |
| day | 11 ⓘ |
| impact |
change in Spanish government after 2004 general election
ⓘ
major political consequences in Spain ⓘ |
| investigatedBy |
Guardia Civil
ⓘ
Spanish National Police ⓘ
linked to:
Policía Nacional
|
| legalOutcome | multiple convictions for terrorism ⓘ |
| location |
Community of Madrid
ⓘ
Madrid ⓘ |
| mediaCoverage | extensive international coverage ⓘ |
| memorial | Atocha station 11-M memorial ⓘ |
| method | coordinated bombings ⓘ |
| month | March ⓘ |
| motive | opposition to Spanish involvement in the Iraq War ⓘ |
| numberOfBombs | 13 ⓘ |
| numberOfBombsDetonated | 10 ⓘ |
| numberOfDeaths | 193 ⓘ |
| numberOfInjured |
around 2000
ⓘ
over 2000 ⓘ |
| numberOfTrainsTargeted | 4 ⓘ |
| partOf | global jihadist terrorism ⓘ |
| perpetrator | Islamist extremist cell ⓘ |
| perpetratorIdeology | jihadism ⓘ |
| relatedEvent |
2001 September 11 attacks
ⓘ
linked to:
September 11 attacks
2004 Spanish general election ⓘ |
| significance |
deadliest terrorist attack in Spanish history
ⓘ
one of the deadliest terrorist attacks in the European Union ⓘ |
| target |
civilians
ⓘ
commuter trains ⓘ |
| timeOfFirstExplosion | around 07:37 CET ⓘ |
| trainStationAffected |
Atocha station
ⓘ
linked to:
Madrid Atocha railway station
El Pozo del Tío Raimundo station ⓘ Santa Eugenia station ⓘ Téllez Street near Atocha ⓘ
linked to:
Calle de Atocha (Madrid)
|
| weaponUsed |
backpack bombs
ⓘ
improvised explosive devices ⓘ |
| year | 2004 ⓘ |
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: 11-M Description of subject: 11-M is the commonly used Spanish shorthand for the 2004 Madrid train bombings, a coordinated terrorist attack on commuter trains that killed 193 people and injured thousands.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.