Several projects are now building, or proposing to build, such large "concept" networks. This is not something one can do in two years, and not something that has a correct result. We have to develop both the network and the techniques for building it semi-automatically and self-adaptively. This is a big challenge.
= What do you think about the debate concerning copyright on the Web? What practical solutions would you suggest?
As an academic, I am of course one of the parasites of society, and hence all in favor of free access to all information. But as a part-owner of a small startup company, I am aware of how much it costs to assemble and format information, and the need to charge somehow.
To balance these two wishes, I like the model by which raw information (and some "raw" resources, such as programming languages and basic access capabilities like the Web search engines) are made available for free. This creates a market and allows people to do at least something. But processed information, and the systems that help you get and structure just exactly what you need, I think should be paid for. That allows developers of new and better technology to be rewarded for their effort.
Take an example: a dictionary, today, is not free. Dictionary companies refuse to make them available to research groups and others for free, arguing that they have centuries of work invested. (I have had several discussions with dictionary companies on this.) But dictionaries today are stupid products -- you have to know the word before you can find the word! I would love to have something that allows me to give an approximate meaning, or perhaps a sentence or two with a gap where I want the word I am looking for, or even the equivalent in another language, and returns the word(s) I am looking for. This is not hard to build, but you need the core dictionary to start with. I think we should have the core dictionary freely available, and pay for the engine (or the service) that allows you to enter partial or only somewhat accurate information and helps you find the best result.
A second example: you should have free access to all the Web, and to basic search engines like those available today. No copyrights, no license fees. But if you want an engine that provides a good targeted answer, pinpointed and evaluated for trustworthiness, then I think it is not unreasonable to pay for that.