Data systems are the framework that stores, collects and makes available data that is used by organizations. They can comprise the database management system (DBMS) and data warehouses, special data platforms such as NoSQL databases, and alternative data storage models such as file systems or cloud object storage services. They can also include master-data management, which is an organization’s common set of information for its clients, products or other assets.
The primary characteristics of an information system are variety, volume and speed. Volume refers to the quantity of data being processed, usually in large and complex data sets that cannot be handled by a single computer. Variety refers specifically to different kinds of data that are being gathered from traditional sensors, feeds from social media, and other sources. Velocity is the speed with which data flowing into and out of the data system.
These four traits have prompted the development of new and innovative data systems. There are new data platforms which can handle a diverse variety of data. These platforms are in addition to the traditional databases.
A big sensor data system, like it is a collection of sensors/devices that gather many kinds of data from physical devices such as smartphones and medical wearable sensors. Sensor data readings may contain signal, location or image information as well as timestamps. The data is saved on the device, and then sent to a server. The karma on reddit meaning data is then subjected to preprocessing to ensure that the data is clean and meaningful to be processed and analysed.