The satisfiability problem of queries is an important determinant in query optimization. The application of a satisfiability test can avoid the submission and the unnecessary evaluation of unsatisfiable queries, and thus save processing time and query costs. If an XPath query does not conform to constraints in a given schema, or constraints from the query itself are inconsistent with each other...

This study investigated the effects of water and content solid particles, taken together as well separately, on stability veiled olive oil. The following oil samples were obtained through four different separation treatments: veiled, filtered, ‘solid-only’, ‘water-only’. Changes in chemical, microbial, sensory characteristics evaluated during storage (240 days). A significant effect hydrolysis ...

This position paper is based on the CodeX “Autonomous Intelligent Cyber Entity” (AiCE) book project. The AiCE draws on its intelligent and computational law capabilities to promote a safer, more efficient on-line environment. It is a flexible framework that can be configured to serve various purposes in business and individual-user settings. Due to its autonomous, intelligent and broad range fu...

Objectives. In this study we aimed to investigate causes of hyperparathyroidism and related factors in postmenopausal women. Methods. The study was conducted on 156 postmenopausal women, 43 with normal serum parathyroid hormone (PTH) levels and 113 with elevated serum PTH levels. Serum levels of 25-OH vitamin D, calcium and phosphorus, 24-hour urine calcium, phosphorus and calcium/creatinine ra...