systems have changed the way people find products, information, and even
other people. They study patterns of behavior to know what someone will
prefer from among a collection of things he has never experienced. The
technology behind recommender systems has evolved over the past 20 years
into a rich collection of tools that enable the practitioner or
researcher to develop effective recommenders. We will study the most
important of those tools, including how they work, how to use them, how
A revolution is underway in science classrooms. The demands of the new workplace and the ready access to information afforded by new technologies have radically changed the way we define a scientifically literate society.
More than ever teachers need professional development that provides them with the resources they need and empowers them to take the action required to build classrooms where the next generation of scientifically literate students will flourish.