Opak River
E760275
The Opak River is a river in central Java, Indonesia, that flows near the Prambanan temple complex and is known for its proximity to several important archaeological and cultural sites.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Opak River canonical | 1 |
| Opak River (regional river) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5686898 — 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: Opak River Context triple: [Brahma temple (Prambanan), nearRiver, Opak River]
-
A.
Pokshenga River
The Pokshenga River is a waterway in northern Russia that feeds into the larger Northern Dvina River system.
-
B.
Otamiri River
The Otamiri River is a significant waterway in southeastern Nigeria that flows through Imo State and serves as an important source of water and livelihood for surrounding communities.
-
C.
Vysun River
The Vysun River is a minor river in southern Ukraine that serves as a tributary of the larger Inhulets River within the Dnieper basin.
-
D.
Osyotr River
The Osyotr River is a river in western Russia that flows through the Moscow and Tula regions before joining the Oka River.
-
E.
Tecka River
The Tecka River is a Patagonian watercourse in Argentina that feeds into the larger Chubut River system.
- 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: Opak River Target entity description: The Opak River is a river in central Java, Indonesia, that flows near the Prambanan temple complex and is known for its proximity to several important archaeological and cultural sites.
-
A.
Pokshenga River
The Pokshenga River is a waterway in northern Russia that feeds into the larger Northern Dvina River system.
-
B.
Otamiri River
The Otamiri River is a significant waterway in southeastern Nigeria that flows through Imo State and serves as an important source of water and livelihood for surrounding communities.
-
C.
Vysun River
The Vysun River is a minor river in southern Ukraine that serves as a tributary of the larger Inhulets River within the Dnieper basin.
-
D.
Osyotr River
The Osyotr River is a river in western Russia that flows through the Moscow and Tula regions before joining the Oka River.
-
E.
Tecka River
The Tecka River is a Patagonian watercourse in Argentina that feeds into the larger Chubut River system.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| associatedWith |
Javanese cultural heritage
ⓘ
archaeological sites in Central Java ⓘ |
| basinCountry | Indonesia NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Indonesia ⓘ |
| culturalSignificance |
linked to historical development of Prambanan area
ⓘ
supports settlements around Prambanan ⓘ |
| drainageBasin | southern Central Java ⓘ |
| emptiesInto | Indian Ocean NERFINISHED ⓘ |
| flowsNear |
Plaosan Temple
NERFINISHED
ⓘ
Prambanan Archaeological Park NERFINISHED ⓘ Prambanan temple complex NERFINISHED ⓘ Ratu Boko archaeological site NERFINISHED ⓘ Sewu Temple NERFINISHED ⓘ |
| flowsThrough |
Bantul Regency
NERFINISHED
ⓘ
Sleman Regency NERFINISHED ⓘ |
| hasMouthIn | Indian Ocean NERFINISHED ⓘ |
| knownFor |
proximity to Prambanan temple complex
ⓘ
proximity to important archaeological sites ⓘ |
| languageRegion | Javanese-speaking area ⓘ |
| locatedIn |
Central Java
NERFINISHED
ⓘ
Special Region of Yogyakarta NERFINISHED ⓘ |
| locatedOn | Java NERFINISHED ⓘ |
| mouthLocatedIn | southern coast of Java ⓘ |
| near |
Hindu and Buddhist temple complexes
ⓘ
border of Central Java and Yogyakarta ⓘ |
| partOf | Opak River basin NERFINISHED ⓘ |
| region | southern slopes of Mount Merapi area ⓘ |
| risk |
flooding in rainy season
ⓘ
lahar flows from Mount Merapi ⓘ |
| usedFor |
irrigation
ⓘ
local fisheries ⓘ |
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: Opak River Description of subject: The Opak River is a river in central Java, Indonesia, that flows near the Prambanan temple complex and is known for its proximity to several important archaeological and cultural sites.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Brahma temple (Prambanan)
subject surface form:
Bugisan
this entity surface form:
Opak River (regional river)