for class demo purposes, I built a little webapp explorer for the version of the upper Cyc ontology that was part of the former OpenCyc release
OpenCyc Explorer
www.kmjn.org
October 27, 2026 at 10:20 PM
for class demo purposes, I built a little webapp explorer for the version of the upper Cyc ontology that was part of the former OpenCyc release
They had an open-source release of just the "upper" part of the ontology plus some Java reasoning tools (but not the huge set of specific facts or axioms that was the secret sauce). They took it down at some point, but it was under a cc-by license so there are mirrors floating around, like:
GitHub - therohk/opencyc-kb: OpenCyc Ontology or Knowledge Base Data Files
OpenCyc Ontology or Knowledge Base Data Files. Contribute to therohk/opencyc-kb development by creating an account on GitHub.
github.com
October 28, 2026 at 9:41 PM
They had an open-source release of just the "upper" part of the ontology plus some Java reasoning tools (but not the huge set of specific facts or axioms that was the secret sauce). They took it down at some point, but it was under a cc-by license so there are mirrors floating around, like:
Made me ponder if OpenCyc might be useful, but Mini had Opinions, so I guess that’s off the table!
August 29, 2026 at 9:19 AM
Made me ponder if OpenCyc might be useful, but Mini had Opinions, so I guess that’s off the table!
@SnoopJ tbh I blame Fukuyama. A lot of LLM hype (particularly OpenAI's specific flavor) is ideological view-from-nowhere/end-of-history type shit. Cycorp (RIP to OpenCyc) has a perspective that an AI is a project that requires an editorial voice. Granted, it's a Wikipedia-type voice but they at […]
Original post on mastodon.social
mastodon.social
February 12, 2026 at 8:44 PM
@SnoopJ tbh I blame Fukuyama. A lot of LLM hype (particularly OpenAI's specific flavor) is ideological view-from-nowhere/end-of-history type shit. Cycorp (RIP to OpenCyc) has a perspective that an AI is a project that requires an editorial voice. Granted, it's a Wikipedia-type voice but they at […]
I haven't been able to find anyone doing this, but isn't Cyc/OpenCyc a great way to create synthetic training data?
cyc.com
cyc.com
Home - Cyc
[et_pb_row _builder_version="4.17.0" _module_preset="00a3384e-d984-4154-8b53-b691e92c93b6" background_color="#FFFFFF" width="50%" width_tablet="80%" width_phone="80%" width_last_edited="on|tablet" cus...
cyc.com
January 30, 2025 at 8:07 PM
I haven't been able to find anyone doing this, but isn't Cyc/OpenCyc a great way to create synthetic training data?
cyc.com
cyc.com
📰 Ask HN: Is anyone playing with the combination of generative AI and OpenCyc?
💬 Please provide the comments or the text you'd like summarized, and I'll whip up that executive summary for you!
https://news.ycombinator.com/item?id=42373106
💬 Please provide the comments or the text you'd like summarized, and I'll whip up that executive summary for you!
https://news.ycombinator.com/item?id=42373106
December 10, 2024 at 3:55 AM
📰 Ask HN: Is anyone playing with the combination of generative AI and OpenCyc?
💬 Please provide the comments or the text you'd like summarized, and I'll whip up that executive summary for you!
https://news.ycombinator.com/item?id=42373106
💬 Please provide the comments or the text you'd like summarized, and I'll whip up that executive summary for you!
https://news.ycombinator.com/item?id=42373106
Ask HN: Is anyone playing with the combination of generative AI and OpenCyc? Discussion
Example: Representing a Simple Fact
study OpenCyc
Aria says:
Certainly! Here’s a simple example of a CycL expression that demonstrates how to represent knowledge about a specific concept:
Let's say we want to express the fact that "All...
2ro.co
December 10, 2024 at 4:40 AM
Ask HN: Is anyone playing with the combination of generative AI and OpenCyc? Discussion
#ExpertSystems in general, and #Cyc in particular, were once the coolest things in #ArtificialIntelligence 😐:
“Cyc: History’s Forgotten AI Project”, I. A. Fisher (outsiderart.substack.com/p/cyc-histor...).
Via HN: news.ycombinator.com/item?id=4006...
#AI #GOAI #OpenCyc #CommonSense #Reasoning
“Cyc: History’s Forgotten AI Project”, I. A. Fisher (outsiderart.substack.com/p/cyc-histor...).
Via HN: news.ycombinator.com/item?id=4006...
#AI #GOAI #OpenCyc #CommonSense #Reasoning
Cyc: history's forgotten AI project
Since 1984 a secretive AI project has been building a massive knowledge base to enable human-like reasoning. Will it work?
outsiderart.substack.com
April 20, 2024 at 2:23 PM
#ExpertSystems in general, and #Cyc in particular, were once the coolest things in #ArtificialIntelligence 😐:
“Cyc: History’s Forgotten AI Project”, I. A. Fisher (outsiderart.substack.com/p/cyc-histor...).
Via HN: news.ycombinator.com/item?id=4006...
#AI #GOAI #OpenCyc #CommonSense #Reasoning
“Cyc: History’s Forgotten AI Project”, I. A. Fisher (outsiderart.substack.com/p/cyc-histor...).
Via HN: news.ycombinator.com/item?id=4006...
#AI #GOAI #OpenCyc #CommonSense #Reasoning
Is anyone playing with the combination of generative AI and OpenCyc?
https://2ro.co/post/769440256241123328/study-opencyc
[comments] [43 points]
https://2ro.co/post/769440256241123328/study-opencyc
[comments] [43 points]
December 10, 2024 at 7:03 AM
Is anyone playing with the combination of generative AI and OpenCyc?
https://2ro.co/post/769440256241123328/study-opencyc
[comments] [43 points]
https://2ro.co/post/769440256241123328/study-opencyc
[comments] [43 points]
Is anyone playing with the combination of generative AI and OpenCyc? https://2ro.co/post/769440256241123328/study-opencyc (https://news.ycombinator.com/item?id=42373106)
Example: Representing a Simple Fact
study OpenCyc
Aria says:
Certainly! Here’s a simple example of a CycL expression that demonstrates how to represent knowledge about a specific concept:
Let's say we want to express the fact that "All...
2ro.co
December 10, 2024 at 7:34 AM
Is anyone playing with the combination of generative AI and OpenCyc? https://2ro.co/post/769440256241123328/study-opencyc (https://news.ycombinator.com/item?id=42373106)
November 21, 2024 at 7:26 AM
November 21, 2024 at 7:20 AM
November 21, 2024 at 7:16 AM
November 21, 2024 at 7:08 AM
opencyc:Mx4rvVjQNpwpEbGdrcN5Y29ycA rdfs:label "Business" ; dcterms:source dbpedia:Cyc . #LinkedData #RDF #SemanticWeb #OpenCyc
November 21, 2024 at 7:04 AM
opencyc:Mx4rvVjQNpwpEbGdrcN5Y29ycA rdfs:label "Business" ; dcterms:source dbpedia:Cyc . #LinkedData #RDF #SemanticWeb #OpenCyc
opencyc:Mx4rvVjQNpwpEbGdrcN5Y29ycA rdfs:label "Business" ; dcterms:source opencyc: . #LinkedData #RDF #SemanticWeb #OpenCyc
November 21, 2024 at 7:04 AM
opencyc:Mx4rvVjQNpwpEbGdrcN5Y29ycA rdfs:label "Business" ; dcterms:source opencyc: . #LinkedData #RDF #SemanticWeb #OpenCyc
How OpenCyc describes Advertising: #Advertising #Marketing #Market #LinkedData #SemanticWeb #SmartData
November 21, 2024 at 6:48 AM
How OpenCyc describes Advertising: #Advertising #Marketing #Market #LinkedData #SemanticWeb #SmartData
November 21, 2024 at 6:48 AM
November 21, 2024 at 6:43 AM
November 21, 2024 at 6:43 AM
schema:Product owl:equivalentClass < rdfs:comment """Equivalent to Sales Product Class in OpenCyc.""". #SemanticWeb
November 21, 2024 at 6:42 AM
schema:Product owl:equivalentClass < rdfs:comment """Equivalent to Sales Product Class in OpenCyc.""". #SemanticWeb
Business Model components, as described by OpenCyc. #LinkedData #SemanticWeb #RDF #BusinessModel #Startup #Smartup
November 21, 2024 at 6:42 AM
Business Model components, as described by OpenCyc. #LinkedData #SemanticWeb #RDF #BusinessModel #Startup #Smartup
Market Segments or Categories, as described by OpenCyc: #LinkedData #SemanticWeb #RDF #BigData #SmartData
November 21, 2024 at 6:41 AM
Market Segments or Categories, as described by OpenCyc: #LinkedData #SemanticWeb #RDF #BigData #SmartData