Recently, several systems have been proposed for building Web sites from declarative spec-iications. The salient feature of these systems is that they model both the structure and the content of a Web site as a view over some existing raw data. In this \Web site as view" paradigm, a critical issue is when to compute the site. One approach is to materialize the site completely before the users b...

patients and methods in this cross-sectional study, we evaluated all patients referred to a single rheumatology clinic for bone mineral density measurements from 2009 to 2010. all patients who had bone mineral density measurements taken from the hip, lumbar spine, forearm, and whole body were enrolled in the study. standard bone mineral density measurements were performed using a dual energy x-...

... and justice for all The U.S. Department of Agriculture (USDA) prohibits discrimination against its customers, employees, and applicants for employment on the bases of race, color, national origin, age, disability, sex, gender identity, religion, reprisal, and where applicable, political beliefs, marital status, familial or parental status, sexual orientation, or all or part of an individual...

Most users have accounts on a large number of web sites. Today, they have a choice of one password for all sites or a different password for each site. Neither choice is attractive. This note describes a procedure that produces a different password for each site from a single password provided by the account holder.

Site-specific irrigation is defined as delivering different prescribed depths of water to specific areas in irrigated fields. Since the 1990s, site-specific irrigation research has been expanded to include the delivery of water and nutrients to specific field areas based on soil type, soil moisture status, crop needs, and other user-defined objectives. A site-specific center pivot irrigation sy...