al-Hasan ibn Sahl
E884992
al-Hasan ibn Sahl was an influential Abbasid statesman and governor who played a prominent political and administrative role during the civil war between al-Amin and al-Ma'mun.
All labels observed (1)
| Label | Occurrences |
|---|---|
| al-Hasan ibn Sahl canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10775291 — 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: al-Hasan ibn Sahl Context triple: [Fourth Fitna, hasKeyFigure, al-Hasan ibn Sahl]
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A.
Ibn al-Jazzar
Ibn al-Jazzar was a 10th-century Tunisian physician and medical writer renowned for his influential works on practical medicine, pediatrics, and travel health that shaped Islamic and later European medical traditions.
-
B.
Ahmad ibn Muhammad al-Hasib
Ahmad ibn Muhammad al-Hasib was a medieval Islamic architect and engineer best known for designing the Roda Nilometer, an important structure used to measure the Nile’s flood levels in Cairo.
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C.
Ibn al-Quff
Ibn al-Quff was a 13th-century Arab physician and surgeon renowned for his influential medical writings and contributions to the development of Islamic surgery and anatomy.
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D.
Muhammad ibn Ahmad al-Sarakhsi
Muhammad ibn Ahmad al-Sarakhsi was an 11th-century Hanafi jurist and theologian from Transoxiana, renowned as one of the foremost authorities in Islamic jurisprudence.
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E.
Ibn al-Sitri
Ibn al-Sitri, also known as Ali ibn Hilal, was a renowned medieval Islamic calligrapher celebrated for refining and popularizing the naskh script.
- 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: al-Hasan ibn Sahl Target entity description: al-Hasan ibn Sahl was an influential Abbasid statesman and governor who played a prominent political and administrative role during the civil war between al-Amin and al-Ma'mun.
-
A.
Ibn al-Jazzar
Ibn al-Jazzar was a 10th-century Tunisian physician and medical writer renowned for his influential works on practical medicine, pediatrics, and travel health that shaped Islamic and later European medical traditions.
-
B.
Ahmad ibn Muhammad al-Hasib
Ahmad ibn Muhammad al-Hasib was a medieval Islamic architect and engineer best known for designing the Roda Nilometer, an important structure used to measure the Nile’s flood levels in Cairo.
-
C.
Ibn al-Quff
Ibn al-Quff was a 13th-century Arab physician and surgeon renowned for his influential medical writings and contributions to the development of Islamic surgery and anatomy.
-
D.
Muhammad ibn Ahmad al-Sarakhsi
Muhammad ibn Ahmad al-Sarakhsi was an 11th-century Hanafi jurist and theologian from Transoxiana, renowned as one of the foremost authorities in Islamic jurisprudence.
-
E.
Ibn al-Sitri
Ibn al-Sitri, also known as Ali ibn Hilal, was a renowned medieval Islamic calligrapher celebrated for refining and popularizing the naskh script.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
Abbasid official
ⓘ
historical person ⓘ statesman ⓘ |
| culture | Islamic ⓘ |
| diedInCaliphate | Abbasid Caliphate NERFINISHED ⓘ |
| diedInCentury | 9th century ⓘ |
| era | Islamic Golden Age NERFINISHED ⓘ |
| ethnicOrigin | Persian ⓘ |
| governedFor | al-Ma'mun NERFINISHED ⓘ |
| historicalContext | succession conflict between al-Amin and al-Ma'mun ⓘ |
| nameInArabic | الحسن بن سهل NERFINISHED ⓘ |
| notableFor |
administrative role under al-Ma'mun
ⓘ
political role in the Fourth Fitna ⓘ |
| occupation |
administrator
ⓘ
vizier ⓘ |
| opposed | al-Amin NERFINISHED ⓘ |
| participatedIn | Abbasid internal power struggle ⓘ |
| playedRoleIn |
Fourth Fitna
NERFINISHED
ⓘ
civil war between al-Amin and al-Ma'mun ⓘ |
| politicalAlignment | pro-al-Ma'mun faction ⓘ |
| positionHeld |
governor in the Abbasid Caliphate
ⓘ
high-ranking Abbasid official ⓘ |
| relative | al-Fadl ibn Sahl NERFINISHED ⓘ |
| religion | Islam ⓘ |
| roleInCivilWar | supporter and administrator for al-Ma'mun ⓘ |
| servedAs | Abbasid governor ⓘ |
| servedUnderDynasty | Abbasid NERFINISHED ⓘ |
| sibling | al-Fadl ibn Sahl NERFINISHED ⓘ |
| sphereOfActivity |
administration
ⓘ
politics ⓘ |
| state | Abbasid Caliphate NERFINISHED ⓘ |
| supported | al-Ma'mun NERFINISHED ⓘ |
| timePeriod | early 9th century ⓘ |
| workedFor | Caliph al-Ma'mun NERFINISHED ⓘ |
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: al-Hasan ibn Sahl Description of subject: al-Hasan ibn Sahl was an influential Abbasid statesman and governor who played a prominent political and administrative role during the civil war between al-Amin and al-Ma'mun.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.