Goma-2 ECO
E595105
Goma-2 ECO is a Spanish-manufactured industrial explosive commonly used in mining and construction that gained notoriety for its use in the 2004 Madrid train bombings.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Goma-2 ECO canonical | 1 |
| Gum-2 ECO | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6467160 — 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: Goma-2 ECO Context triple: [2004 Madrid train bombings, explosiveMaterial, Goma-2 ECO]
-
A.
Mir EO-20
Mir EO-20 was a long-duration crewed expedition to the Russian Mir space station that took place just before the Mir EO-21 mission.
-
B.
GA-02
GA-02 is a congressional district in southwestern Georgia that includes cities such as Columbus and Albany and is represented in the U.S. House of Representatives.
-
C.
Enneco
Enneco is a medieval Basque given name, historically associated with early Navarrese nobility and considered an antecedent of the name Íñigo.
-
D.
Mir EO-22
Mir EO-22 was a long-duration crewed expedition to the Russian Mir space station, continuing its scientific research and operations in low Earth orbit.
-
E.
ECOMIL
ECOMIL was a West African regional peacekeeping force deployed to stabilize Liberia and support the end of the Second Liberian Civil War.
- 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: Goma-2 ECO Target entity description: Goma-2 ECO is a Spanish-manufactured industrial explosive commonly used in mining and construction that gained notoriety for its use in the 2004 Madrid train bombings.
-
A.
Mir EO-20
Mir EO-20 was a long-duration crewed expedition to the Russian Mir space station that took place just before the Mir EO-21 mission.
-
B.
GA-02
GA-02 is a congressional district in southwestern Georgia that includes cities such as Columbus and Albany and is represented in the U.S. House of Representatives.
-
C.
Enneco
Enneco is a medieval Basque given name, historically associated with early Navarrese nobility and considered an antecedent of the name Íñigo.
-
D.
Mir EO-22
Mir EO-22 was a long-duration crewed expedition to the Russian Mir space station, continuing its scientific research and operations in low Earth orbit.
-
E.
ECOMIL
ECOMIL was a West African regional peacekeeping force deployed to stabilize Liberia and support the end of the Second Liberian Civil War.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
blasting explosive
ⓘ
commercial explosive ⓘ industrial explosive ⓘ |
| associatedWithCountry | Spain ⓘ |
| contains |
ammonium nitrate
ⓘ
fuel oil ⓘ nitrocellulose ⓘ nitroglycol ⓘ |
| countryOfOrigin | Spain ⓘ |
| developedAs | replacement for earlier Goma-2 formulations ⓘ |
| explosiveType |
gelatin dynamite type
ⓘ
nitroglycol-based explosive ⓘ |
| hasForm | plastic explosive cartridges ⓘ |
| hasProperty |
cap-sensitive
ⓘ
gelatinous texture ⓘ good performance in wet boreholes ⓘ high detonation velocity ⓘ reduced environmental impact compared to earlier Goma-2 types ⓘ water-resistant ⓘ |
| isSubjectOf |
Spanish legal proceedings related to 2004 Madrid attacks
ⓘ
forensic analyses after 2004 Madrid train bombings ⓘ |
| languageOfTradeName | Spanish ⓘ |
| manufacturerCountry | Spain ⓘ |
| notableUseInEvent | 2004 Madrid train bombings ⓘ |
| regulationStatus | regulated industrial explosive in Spain ⓘ |
| replaced |
Goma-2
ⓘ
Goma-2 EC ⓘ |
| requires |
special license for purchase
ⓘ
special license for storage ⓘ special license for transport ⓘ |
| safetyRequirement |
compliance with explosives regulations
ⓘ
handling by trained personnel ⓘ storage in approved magazines ⓘ |
| tradeNameMeaning |
Gum-2 ECO
ⓘ
linked to:
Goma-2 ECO
|
| typicalUseContext |
open-pit mining
ⓘ
road construction blasting ⓘ tunnel construction ⓘ underground mining ⓘ |
| usedFor |
civil engineering works
ⓘ
quarrying ⓘ rock blasting ⓘ |
| usedInIndustry |
construction
ⓘ
mining ⓘ |
| usedWith |
detonating cord
ⓘ
electric detonators ⓘ non-electric detonators ⓘ |
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: Goma-2 ECO Description of subject: Goma-2 ECO is a Spanish-manufactured industrial explosive commonly used in mining and construction that gained notoriety for its use in the 2004 Madrid train bombings.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Goma-2 ECO