a continuous sequence of attribute-value tuples that all conform to some pre-defined schema (sequence of typed attributes)

a logical group of one or more event channels, one or more suppliers, a single consumer, intermediate query driven computation called quoblets, and a relational schema

a massive unbounded sequence of data elements continuously generated at a rapid rate

an appropriate model when a large volume of data is arriving continuously and it is either unnecessary or impractical to store the entire data in some form of memory

a real-time, continuous, ordered sequence of items generated by sources such as sensor networks, Internet traffic flow, credit card transaction logs, and on-line financial tickers

a sequence of bytes

a sequence of items that can be seen only once, and in the same order it is generated