NCSA HTTPd
E229513
NCSA HTTPd was one of the earliest and most influential web server software programs, developed at the National Center for Supercomputing Applications and serving as a foundation for later servers like Apache.
All labels observed (4)
| Label | Occurrences |
|---|---|
| NCSA HTTPd canonical | 4 |
| NCSA HTTPd (conceptual) | 1 |
| NCSA HTTPd community | 1 |
| NCSA HTTPd web server | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2040400 — 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: NCSA HTTPd Context triple: [CERN httpd, influenced, NCSA HTTPd]
-
A.
Apache
The Apache are a group of culturally related Native American peoples of the Southwestern United States, known for their distinct languages, nomadic traditions, and resistance to colonial expansion.
-
B.
Netscape Enterprise Server
Netscape Enterprise Server is a web server software product developed by Netscape Communications Corporation for hosting and managing websites and internet applications.
-
C.
CERN httpd
CERN httpd was one of the earliest web server software programs, developed at CERN in the early 1990s to serve and test the first World Wide Web pages.
-
D.
WorldWideWeb (web browser)
WorldWideWeb was the first web browser and editor, created in 1990 as the original client for navigating and editing content on the World Wide Web.
-
E.
Netscape Directory Server
Netscape Directory Server is an LDAP-based directory service software that provides centralized, scalable management of user and resource information for enterprise networks.
- 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: NCSA HTTPd Target entity description: NCSA HTTPd was one of the earliest and most influential web server software programs, developed at the National Center for Supercomputing Applications and serving as a foundation for later servers like Apache.
-
A.
Apache
The Apache are a group of culturally related Native American peoples of the Southwestern United States, known for their distinct languages, nomadic traditions, and resistance to colonial expansion.
-
B.
Netscape Enterprise Server
Netscape Enterprise Server is a web server software product developed by Netscape Communications Corporation for hosting and managing websites and internet applications.
-
C.
CERN httpd
CERN httpd was one of the earliest web server software programs, developed at CERN in the early 1990s to serve and test the first World Wide Web pages.
-
D.
WorldWideWeb (web browser)
WorldWideWeb was the first web browser and editor, created in 1990 as the original client for navigating and editing content on the World Wide Web.
-
E.
Netscape Directory Server
Netscape Directory Server is an LDAP-based directory service software that provides centralized, scalable management of user and resource information for enterprise networks.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
HTTP server
ⓘ
web server software ⓘ |
| basedOn | CERN httpd ⓘ |
| creator | Rob McCool ⓘ |
| developedAt |
NCSA at UIUC
ⓘ
University of Illinois at Urbana-Champaign ⓘ
linked to:
University of Illinois at Urbana–Champaign
|
| developer |
NCSA
ⓘ
National Center for Supercomputing Applications ⓘ |
| discontinued | yes ⓘ |
| distribution | source code available ⓘ |
| documentationURL | http://hoohoo.ncsa.uiuc.edu/docs/ ⓘ |
| genre | web server ⓘ |
| historicalSignificance |
helped popularize the World Wide Web
ⓘ
one of the first widely used web servers ⓘ served as code base for early Apache versions ⓘ |
| inception | early 1990s ⓘ |
| influenced |
Apache HTTP Server
ⓘ
Apache web server ⓘ
linked to:
IBM HTTP Server
|
| influencedBy | CERN httpd ⓘ |
| latestReleaseDate | mid-1990s ⓘ |
| license |
NCSA HTTPd license
ⓘ
permissive free software license ⓘ |
| maintainer | NCSA Software Development Group ⓘ |
| notableFeature |
CGI support
ⓘ
Common Gateway Interface implementation ⓘ access control via .htaccess files ⓘ virtual hosting support ⓘ |
| operatingSystem |
Microsoft Windows
ⓘ
linked to:
Windows
Unix ⓘ Unix-like systems ⓘ |
| originalAuthor | Rob McCool ⓘ |
| partOf | early World Wide Web infrastructure ⓘ |
| programmingLanguage | C ⓘ |
| protocol | HTTP ⓘ |
| releaseDate | 1993 ⓘ |
| softwareGenre | server software ⓘ |
| status | discontinued ⓘ |
| successor | Apache HTTP Server ⓘ |
| supports |
.htaccess configuration files
ⓘ
CGI scripts ⓘ static HTML content ⓘ |
| targetPlatform | Internet ⓘ |
| usedBy |
NCSA Mosaic demo servers
ⓘ
early World Wide Web sites ⓘ many early commercial web sites ⓘ |
| website | http://hoohoo.ncsa.uiuc.edu/ ⓘ |
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: NCSA HTTPd Description of subject: NCSA HTTPd was one of the earliest and most influential web server software programs, developed at the National Center for Supercomputing Applications and serving as a foundation for later servers like Apache.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.