AR4
E233923
AR4 is the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), providing a comprehensive evaluation of climate change science, impacts, and mitigation options.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AR4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2100131 — 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: AR4 Context triple: [Fourth Assessment Report, shortName, AR4]
-
A.
AR5
AR5 is the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), providing a comprehensive evaluation of the state of climate science and its environmental and socio-economic impacts.
-
B.
AT4
AT4 is an off-road-focused trim level of the GMC Sierra pickup truck, featuring enhanced suspension, rugged styling, and all-terrain capability.
-
C.
ARCIC
ARCIC is an international ecumenical body that fosters theological dialogue and seeks closer unity between the Anglican Communion and the Roman Catholic Church.
-
D.
ARC
ARC is the commonly used acronym for the Augmentation Research Center, a pioneering research group known for its early work on interactive computing and human–computer interaction.
-
E.
ARS
ARS is the principal in-house research agency of the United States Department of Agriculture, conducting scientific studies to improve agriculture, food safety, and environmental quality.
- 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: AR4 Target entity description: AR4 is the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), providing a comprehensive evaluation of climate change science, impacts, and mitigation options.
-
A.
AR5
AR5 is the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), providing a comprehensive evaluation of the state of climate science and its environmental and socio-economic impacts.
-
B.
AT4
AT4 is an off-road-focused trim level of the GMC Sierra pickup truck, featuring enhanced suspension, rugged styling, and all-terrain capability.
-
C.
ARCIC
ARCIC is an international ecumenical body that fosters theological dialogue and seeks closer unity between the Anglican Communion and the Roman Catholic Church.
-
D.
ARC
ARC is the commonly used acronym for the Augmentation Research Center, a pioneering research group known for its early work on interactive computing and human–computer interaction.
-
E.
ARS
ARS is the principal in-house research agency of the United States Department of Agriculture, conducting scientific studies to improve agriculture, food safety, and environmental quality.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
IPCC assessment report
ⓘ
scientific assessment ⓘ |
| abbreviation | AR4 ⓘ |
| assessmentNumber | 4 ⓘ |
| conclusion |
most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations
ⓘ
warming of the climate system is unequivocal ⓘ |
| contains |
Summary for Policymakers
ⓘ
Technical Summary ⓘ annexes ⓘ chapters ⓘ |
| documentType | multi-volume report ⓘ |
| focus |
future climate projections
ⓘ
mitigation strategies ⓘ observed climate change ⓘ scientific basis of climate change ⓘ vulnerability and impacts ⓘ |
| followedBy |
IPCC Fifth Assessment Report
ⓘ
linked to:
Fifth Assessment Report
|
| fullName |
Fourth Assessment Report of the Intergovernmental Panel on Climate Change
ⓘ
linked to:
Fourth Assessment Report
|
| hasPart |
Synthesis Report
ⓘ
Working Group I contribution ⓘ Working Group II contribution ⓘ Working Group III contribution ⓘ |
| language | English ⓘ |
| organization | Intergovernmental Panel on Climate Change ⓘ |
| precededBy |
IPCC Third Assessment Report
ⓘ
linked to:
IPCC Third Assessment Synthesis Report
|
| publicationYear | 2007 ⓘ |
| publisher | Intergovernmental Panel on Climate Change ⓘ |
| scope | global ⓘ |
| shortName |
IPCC Fourth Assessment Report
ⓘ
linked to:
Fourth Assessment Report
|
| subject |
climate change
ⓘ
climate change adaptation ⓘ climate change impacts ⓘ climate change mitigation ⓘ climate modelling ⓘ climate policy ⓘ climate system ⓘ greenhouse gas emissions ⓘ |
| synthesisReportTitle |
Climate Change 2007: Synthesis Report
ⓘ
linked to:
Fourth Assessment Report
|
| targetAudience |
general public
ⓘ
policymakers ⓘ scientists ⓘ |
| theme |
anthropogenic climate change
ⓘ
climate risks ⓘ emissions scenarios ⓘ response options ⓘ |
| timeHorizon |
21st century
ⓘ
beyond 2100 ⓘ |
| uses | peer-reviewed scientific literature ⓘ |
| workingGroupIIIReportTitle | Mitigation of Climate Change ⓘ |
| workingGroupIIReportTitle | Impacts, Adaptation and Vulnerability ⓘ |
| workingGroupIReportTitle |
The Physical Science Basis
ⓘ
linked to:
Fourth Assessment Report
|
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: AR4 Description of subject: AR4 is the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), providing a comprehensive evaluation of climate change science, impacts, and mitigation options.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.