Why use Openly Licensed Educational Resources?

Resources that are openly licensed benefit schools in a number of ways, but most notably they help to: Increase Equity – All students have access to high quality learning materials that have the most up-to-date and relevant content because openly licensed educational resources can be freely distributed to anyone. Save Money – Switching to educational materials that are openly licensed enables schools to repurpose funding spent on static textbooks for other pressing needs, such as invest...

 Scientific Ignorance is Dangerous

I don't know to what extent ignorance of science and mathematics contributed to the decline of ancient Athens, but I know that the consequences of scientific illiteracy are far more dangerous in our time than in any that has come before. It's perilous and foolhardy for the average citizen to remain ignorant about global warming, say, or ozone depletion, air pollution, toxic and radioactive wastes, acid rain, topsoil erosion, tropical deforestation, exponential population growth. Jobs and wage...

 Page Rank Algorithm and the Kleinberg's HITS algorithm

The most famous quality measure is PageRank [221], discussed earlier, which builds on the intuition that a page which is cited by many other pages is likely to be of significant quality. The insight of PageRank is that the obvious way to subvert that model is to set up a load of dummy pages to cite the page which one wanted to boost. But if a page is cited by many other pages which themselves have a high PageRank, then it is likely to be of high quality. The PageRank method has another intuit...