What Can Hierarchies Do for Data Streams?

  title={What Can Hierarchies Do for Data Streams?},
  author={Xuepeng Yin and Torben Bach Pedersen},
Much effort has been put into building data streams management systems for querying data streams. Here, data streams have been viewed as a flow of low-level data items, e.g., sensor readings or IP packet data. Stream query languages have mostly been SQL-based, with the STREAM and TelegraphCQ languages as examples. However, there has been little work on… CONTINUE READING