ibn al-Mahdi
E268711
Ibn al-Mahdi was a member of the Abbasid dynasty, known as a son of the caliph al-Mahdi and thus part of the immediate family circle of the famous caliph Harun al-Rashid.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Abd Allah al-Mahd | 1 |
| Ibrahim ibn al-Mahdi | 1 |
| al-Mahdi | 1 |
| ibn al-Mahdi canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2315213 — 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: ibn al-Mahdi Context triple: [Harun al-Rashid, familyName, ibn al-Mahdi]
-
A.
Muhammad al-Mahdi
Muhammad al-Mahdi is the twelfth and final Imam in Twelver Shia Islam, believed to be in occultation and destined to reappear as the divinely guided savior.
-
B.
ʿAbd Allāh al-Mahdī Billāh
ʿAbd Allāh al-Mahdī Billāh was the first Fatimid caliph and Isma'ili imam who established a Shi'a caliphate in North Africa in the early 10th century.
-
C.
al-Muhtadi
Al-Muhtadi was an Abbasid caliph of the 9th century known for his brief, reform-minded reign marked by attempts to restore moral rigor and reduce court corruption during a turbulent period of political instability.
-
D.
al-ʿAzīz Billāh
al-ʿAzīz Billāh was a 10th-century Fatimid caliph who consolidated Fatimid rule in Egypt and expanded their influence across the eastern Mediterranean.
-
E.
Abu Yaqub Yusuf
Abu Yaqub Yusuf was a 12th-century Almohad caliph who significantly expanded and consolidated the empire in the Maghreb and al-Andalus while promoting philosophy, science, and architecture.
- 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: ibn al-Mahdi Target entity description: Ibn al-Mahdi was a member of the Abbasid dynasty, known as a son of the caliph al-Mahdi and thus part of the immediate family circle of the famous caliph Harun al-Rashid.
-
A.
Muhammad al-Mahdi
Muhammad al-Mahdi is the twelfth and final Imam in Twelver Shia Islam, believed to be in occultation and destined to reappear as the divinely guided savior.
-
B.
ʿAbd Allāh al-Mahdī Billāh
ʿAbd Allāh al-Mahdī Billāh was the first Fatimid caliph and Isma'ili imam who established a Shi'a caliphate in North Africa in the early 10th century.
-
C.
al-Muhtadi
Al-Muhtadi was an Abbasid caliph of the 9th century known for his brief, reform-minded reign marked by attempts to restore moral rigor and reduce court corruption during a turbulent period of political instability.
-
D.
al-ʿAzīz Billāh
al-ʿAzīz Billāh was a 10th-century Fatimid caliph who consolidated Fatimid rule in Egypt and expanded their influence across the eastern Mediterranean.
-
E.
Abu Yaqub Yusuf
Abu Yaqub Yusuf was a 12th-century Almohad caliph who significantly expanded and consolidated the empire in the Maghreb and al-Andalus while promoting philosophy, science, and architecture.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf |
Abbasid prince
ⓘ
historical person ⓘ |
| dynasty | Abbasid Caliphate ⓘ |
| era |
Abbasid Caliphate
ⓘ
surface form:
Abbasid era
|
| ethnicity |
Arabs
ⓘ
surface form:
Arab
|
| father | al-Mahdi ⓘ |
| house | House of Abbas ⓘ |
| memberOf |
House of al-Abbas
ⓘ
surface form:
Abbasid dynasty
|
| relative | Harun al-Rashid ⓘ |
| religion | Islam ⓘ |
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: ibn al-Mahdi Description of subject: Ibn al-Mahdi was a member of the Abbasid dynasty, known as a son of the caliph al-Mahdi and thus part of the immediate family circle of the famous caliph Harun al-Rashid.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ibrahim ibn al-Mahdi
this entity surface form:
al-Mahdi
this entity surface form:
Abd Allah al-Mahd