PETRA III
E621152
PETRA III is a state-of-the-art synchrotron radiation facility in Hamburg that provides extremely bright X-ray beams for cutting-edge research in physics, chemistry, biology, and materials science.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PETRA III canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6834543 — 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: PETRA III Context triple: [DESY, operates, PETRA III]
-
A.
Petra
Petra is an ancient rock-cut city in southern Jordan renowned for its monumental sandstone architecture and role as the former capital of the Nabataean Kingdom.
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B.
Ars Paulina
Ars Paulina is a section of the grimoire tradition that details astrological and angelic magic, particularly the summoning of angels associated with hours and zodiac signs.
-
C.
Pangrati
Pangrati is a central neighborhood of Athens, Greece, known for its residential character, cultural venues, and proximity to major landmarks such as the National Garden and the Temple of Olympian Zeus.
-
D.
Emesa
Emesa is the ancient name of the Syrian city now known as Homs, historically significant as a religious and trading center in Roman and early Christian times.
-
E.
Mandsaur
Mandsaur is a prominent city in northwestern Madhya Pradesh, India, known for its historical significance and agricultural and industrial economy.
- 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: PETRA III Target entity description: PETRA III is a state-of-the-art synchrotron radiation facility in Hamburg that provides extremely bright X-ray beams for cutting-edge research in physics, chemistry, biology, and materials science.
-
A.
Petra
Petra is an ancient rock-cut city in southern Jordan renowned for its monumental sandstone architecture and role as the former capital of the Nabataean Kingdom.
-
B.
Ars Paulina
Ars Paulina is a section of the grimoire tradition that details astrological and angelic magic, particularly the summoning of angels associated with hours and zodiac signs.
-
C.
Pangrati
Pangrati is a central neighborhood of Athens, Greece, known for its residential character, cultural venues, and proximity to major landmarks such as the National Garden and the Temple of Olympian Zeus.
-
D.
Emesa
Emesa is the ancient name of the Syrian city now known as Homs, historically significant as a religious and trading center in Roman and early Christian times.
-
E.
Mandsaur
Mandsaur is a prominent city in northwestern Madhya Pradesh, India, known for its historical significance and agricultural and industrial economy.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
synchrotron radiation facility
ⓘ
third-generation synchrotron ⓘ |
| abbreviationOf | Positron-Elektron-Tandem-Ring-Anlage III NERFINISHED ⓘ |
| accelerates | electrons ⓘ |
| city | Hamburg NERFINISHED ⓘ |
| constructionStart | 2007 ⓘ |
| country | Germany NERFINISHED ⓘ |
| energy | 6 GeV ⓘ |
| environment | large-scale research infrastructure ⓘ |
| firstUserOperation | around 2009 ⓘ |
| fundedBy |
City of Hamburg
NERFINISHED
ⓘ
German Federal Government NERFINISHED ⓘ |
| hasBeamlines | multiple experimental stations ⓘ |
| hasCircumference | about 2304 m ⓘ |
| hasFeature |
bending magnet beamlines
ⓘ
high brilliance X-ray source ⓘ long beamlines ⓘ low emittance electron beam ⓘ undulator insertion devices ⓘ |
| hasStatus | state-of-the-art synchrotron radiation source ⓘ |
| hasType | storage ring ⓘ |
| hasUpgrade | PETRA IV (planned) NERFINISHED ⓘ |
| locatedAt | DESY NERFINISHED ⓘ |
| locatedIn | Hamburg NERFINISHED ⓘ |
| opened | 2010 ⓘ |
| operator | DESY NERFINISHED ⓘ |
| ownedBy | DESY NERFINISHED ⓘ |
| partOf | DESY accelerator complex NERFINISHED ⓘ |
| predecessor | PETRA storage ring NERFINISHED ⓘ |
| provides |
extremely bright X-ray beams
ⓘ
synchrotron radiation ⓘ |
| supportsTechnique |
X-ray diffraction
ⓘ
X-ray spectroscopy ⓘ coherent X-ray imaging ⓘ macromolecular crystallography ⓘ small-angle X-ray scattering ⓘ |
| supportsUsersFrom | international research community ⓘ |
| usedFor |
biology research
ⓘ
chemistry research ⓘ condensed matter physics ⓘ imaging ⓘ materials science research ⓘ nanoscience ⓘ physics research ⓘ structural biology ⓘ time-resolved experiments ⓘ |
| website | https://petra3.desy.de ⓘ |
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: PETRA III Description of subject: PETRA III is a state-of-the-art synchrotron radiation facility in Hamburg that provides extremely bright X-ray beams for cutting-edge research in physics, chemistry, biology, and materials science.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.