@revista_internacional{207, keywords = {Data Warehousing, decision support systems, e-Business, e-learning}, author = {F Araque and Alberto Salguero and Luis Martínez and E Navarro and M Calero}, title = {Data Warehousing for Improving Web-based Learning Sites}, year = {2007}, journal = {International Journal of Emerging Technologies in Learning}, volume = {2}, number = {4}, pages = {42-47}, publisher = {Open Access Journal}, url = {http://online-journals.org/i-jet/article/view/81}, }