The spectrum of complexity
The importance of discreteness and symmetry in systems
Natural structures for man-made machines-curvature in information and computation
Positional information and scale-free networks
Evolution through engineering
A less-than-simple matter of boundless organics
Emergent intelligence and posthuman concepts
The physics of information and computing
Appendix A: An outline of the semantic Web and its potential for software engineering
Appendix B: Beyond the semantic Web.