University of Illinois/NCSA Open Source License (historical)
E291880
The University of Illinois/NCSA Open Source License is a permissive, non-copyleft free software license similar to the MIT or BSD licenses, historically used by projects such as LLVM.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T2716421 — 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: University of Illinois/NCSA Open Source License (historical) Context triple: [LLVM, license, University of Illinois/NCSA Open Source License (historical)]
-
A.
Apache License 1.1
Apache License 1.1 is an older, permissive open-source software license from the Apache Software Foundation that preceded and was later replaced by Apache License 2.0.
-
B.
Open Software License 3.0
Open Software License 3.0 is a copyleft open-source software license that permits free use, modification, and distribution of software while imposing conditions to protect authors’ rights and ensure source code availability.
-
C.
Apache License 2.0
Apache License 2.0 is a permissive open-source software license from the Apache Software Foundation that allows broad use, modification, and distribution of licensed code with minimal restrictions.
-
D.
Eclipse Public License
The Eclipse Public License is a widely used open-source software license that permits use, modification, and distribution of covered software while imposing certain copyleft-style obligations on derivative works.
-
E.
MIT License
The MIT License is a widely used, permissive free software license that allows reuse with minimal restrictions, including in proprietary software.
- 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: University of Illinois/NCSA Open Source License (historical) Target entity description: The University of Illinois/NCSA Open Source License is a permissive, non-copyleft free software license similar to the MIT or BSD licenses, historically used by projects such as LLVM.
-
A.
Apache License 1.1
Apache License 1.1 is an older, permissive open-source software license from the Apache Software Foundation that preceded and was later replaced by Apache License 2.0.
-
B.
Open Software License 3.0
Open Software License 3.0 is a copyleft open-source software license that permits free use, modification, and distribution of software while imposing conditions to protect authors’ rights and ensure source code availability.
-
C.
Apache License 2.0
Apache License 2.0 is a permissive open-source software license from the Apache Software Foundation that allows broad use, modification, and distribution of licensed code with minimal restrictions.
-
D.
Eclipse Public License
The Eclipse Public License is a widely used open-source software license that permits use, modification, and distribution of covered software while imposing certain copyleft-style obligations on derivative works.
-
E.
MIT License
The MIT License is a widely used, permissive free software license that allows reuse with minimal restrictions, including in proprietary software.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
free software license
ⓘ
open-source license ⓘ permissive license ⓘ software license ⓘ |
| allowsProprietaryUse | true ⓘ |
| allowsRelicensing | true ⓘ |
| alternativeName |
University of Illinois/NCSA Open Source License (historical)
ⓘ
surface form:
NCSA License
University of Illinois/NCSA Open Source License (historical) ⓘ
surface form:
UIUC/NCSA Open Source License
University of Illinois/NCSA Open Source License (historical) ⓘ
surface form:
University of Illinois Open Source License
|
| category | non-copyleft free software license ⓘ |
| compliesWith |
Free Software Definition
ⓘ
Open Source Initiative ⓘ
surface form:
Open Source Definition
|
| copyleft | no ⓘ |
| FSFApproved | true ⓘ |
| grantsRight |
copy
ⓘ
distribute ⓘ merge ⓘ modify ⓘ publish ⓘ sell copies ⓘ sublicense ⓘ use ⓘ |
| hasAttributionRequirement | true ⓘ |
| hasAuthor |
National Center for Supercomputing Applications
ⓘ
University of Illinois at Urbana–Champaign ⓘ
surface form:
University of Illinois at Urbana-Champaign
|
| hasNoAdvertisingClause | true ⓘ |
| hasNoTrademarkGrant | true ⓘ |
| hasPatentGrant | unclear or minimal (no explicit broad patent grant) ⓘ |
| includesClause |
liability limitation
ⓘ
warranty disclaimer ⓘ |
| isCopyleft | false ⓘ |
| isDeprecatedForNewLLVMCode | true ⓘ |
| isGPLCompatible | true ⓘ |
| isTemplateBased | true ⓘ |
| jurisdiction | Illinois law (typical governing law clause in some variants) ⓘ |
| licenseType | permissive ⓘ |
| OSIApproved | true ⓘ |
| replacedBy | Apache License 2.0 with LLVM exceptions ⓘ |
| requires |
copyright notice retention
ⓘ
inclusion of license text in redistributions ⓘ permission notice retention ⓘ |
| requiresSourceDisclosure | false ⓘ |
| similarTo |
BSD license
ⓘ
surface form:
BSD 3-Clause License
MIT License ⓘ |
| usedByProject |
Clang
ⓘ
LLVM ⓘ libc++ ⓘ |
| usedHistoricallyBy |
LLVM
ⓘ
surface form:
LLVM project
|
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: University of Illinois/NCSA Open Source License (historical) Description of subject: The University of Illinois/NCSA Open Source License is a permissive, non-copyleft free software license similar to the MIT or BSD licenses, historically used by projects such as LLVM.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
University of Illinois/NCSA Open Source License (historical)
→
alternativeName
→
University of Illinois/NCSA Open Source License (historical)
ⓘ
subject surface form:
University of Illinois/NCSA Open Source License
this entity surface form:
NCSA License
University of Illinois/NCSA Open Source License (historical)
→
alternativeName
→
University of Illinois/NCSA Open Source License (historical)
ⓘ
subject surface form:
University of Illinois/NCSA Open Source License
this entity surface form:
UIUC/NCSA Open Source License
University of Illinois/NCSA Open Source License (historical)
→
alternativeName
→
University of Illinois/NCSA Open Source License (historical)
ⓘ
subject surface form:
University of Illinois/NCSA Open Source License
this entity surface form:
University of Illinois Open Source License