NCSA HTTPd

E229513

HTTP server web server software

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.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (2)

Label	Occurrences
NCSA HTTPd canonical	2
NCSA HTTPd (conceptual)	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	National Center for Supercomputing Applications ⓘ surface form: NCSA at UIUC University of Illinois at Urbana–Champaign ⓘ surface form: University of Illinois at Urbana-Champaign
developer	National Center for Supercomputing Applications ⓘ surface form: 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 (via mod_spdy and later modules) ⓘ surface form: Apache HTTP Server IBM HTTP Server ⓘ surface form: Apache web server
influencedBy	CERN httpd ⓘ
latestReleaseDate	mid-1990s ⓘ
license	NCSA HTTPd license ⓘ permissive free software license ⓘ
maintainer	National Center for Supercomputing Applications ⓘ surface form: NCSA Software Development Group
notableFeature	CGI support ⓘ Common Gateway Interface implementation ⓘ access control via .htaccess files ⓘ virtual hosting support ⓘ
operatingSystem	Windows ⓘ surface form: Microsoft 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 (via mod_spdy and later modules) ⓘ surface form: 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

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

CERN httpd → influenced → NCSA HTTPd ⓘ

CERN httpd → replacedBy → NCSA HTTPd ⓘ

Netscape Enterprise Server → predecessor → NCSA HTTPd ⓘ

this entity surface form: NCSA HTTPd (conceptual)

All labels observed (2)

How this entity was disambiguated Show

Statements (46)

How these facts were elicited Show

Referenced by (3)

How this entity was disambiguated

How these facts were elicited