File system is used to control how data is stored and retrieved. Without a file system, information placed in a storage medium would be one large body of data with no way to tell where one piece of information stops and the next begins. By separating the data into pieces and giving each piece a name, the information is easily isolated and identified. The rapid development of biomedical monitoring technologies has enabled modern intensive care units (ICUs) to gather vast amounts of multimodal measurement data about their patients. However, processing large volumes of complex data in real-time has become a big challenge. Together with ICU physicians, we have designed and developed an ICU clinical decision support system icuARM based on associate rule mining (ARM), and a publicly available research database MIMIC-II (Multi-parameter Intelligent Monitoring in Intensive Care II) that contains more than 40,000 ICU records for 30,000+ patients. icuARM is constructed with multiple association rules and an easy-to-use graphical user interface (GUI) for care providers to perform real-time data and information mining in the ICU setting. The EU is imposing strict limitations on the use of data obtained from its citizens’ online activities [9], while Big Data advocates and online advertisers in the United States are concerned that this may represent interference in their basic business models or even in international trade. It is clear that laws and regulations are inconsistent across national borders. They are also inconsistent within nations, depending on the industry classification of companies, or even the designation given to specific technologies. ISPs are prohibited from reading subscribers’ email; other information services companies can do so legally. Data stored electronically is offered protection that is denied to data stored in the cloud. More importantly, it suggests that regulation be driven by what consumers actually want, and provides some preliminary research aimed at determining what consumers want from privacy regulation around the world.