Sigma knowledge engineering system is an system for developing, viewing and debugging theories in first order logic. It works with Knowledge Interchange Format (KIF) and is optimized for the Suggested Upper Merged Ontology (SUMO) www.ontologyportal.org . Sigma has moved to github.com/ontologyportal/sigmakee

Features

  • natural language generation
  • theorem proving
  • ontology browsing

Project Samples

Project Activity

See All Activity >

License

GNU General Public License version 2.0 (GPLv2)

Follow Sigma

Sigma Web Site

Other Useful Business Software
Get Avast Free Antivirus with 24/7 AI-powered online scam detection Icon
Get Avast Free Antivirus with 24/7 AI-powered online scam detection

Get protection for today’s online threats. Free.

Award-winning antivirus protection, as well as protection against online scams, dangerous Wi-Fi connections, hacked accounts, and ransomware. It includes Avast Assistant, your built-in AI partner, which gives you help with suspicious online messages, offers, and more.
Free Download
Rate This Project
Login To Rate This Project

User Ratings

★★★★★
★★★★
★★★
★★
2
0
0
0
0
ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 0 / 5

User Reviews

  • Very useful. Thanks.
    1 user found this review helpful.
  • Nice tool!
Read more reviews >

Additional Project Details

Operating Systems

Linux, Windows

Languages

Italian, English, Hindi, German

Intended Audience

Science/Research, Developers

User Interface

Web-based

Programming Language

C++, Java

Related Categories

C++ Artificial Intelligence Software, Java Artificial Intelligence Software

Registered

2004-02-18