Structured Types in MathML and OpenMath
- W3C specifications on Structured Types used in MathML, and how they relate to OpenMath's Small Type System.
- http://www.w3.org/TR/mathml-types/#OpenMathSection

OpenMath and MathML Synergy
- Explores means by which OpenMath may extend MathML, and MathML may extend OpenMath - to the benefit of both.
- http://www.scl.csd.uwo.ca/~bill/Papers/omVmml/omVmml.html

Numerical Mathematics Consortium
- Proposing new methods of representing mathematical semantics, independent of OpenMath and MathML.
- http://www.nmconsortium.org

Computer Algebra Systems
- Presentation on CAS representations as related to MathML and OpenMath.
- http://dlmf.nist.gov/about/Events/fateman-2000-11/sld001.htm

Comparison of OpenMath and MathML
- Information on similarities, differences, overlap and methods of translating between OpenMath and MathML
- http://people.bath.ac.uk/masjhd/ReduceOpenMath/html/node3.html

ACM's OpenMath and MathML Overview
- Description of OpenMath and MathML as communication tools; includes sample XML.
- http://www.acm.org/crossroads/xrds6-2/openmath.html