Freie Universität Berlin, Fachbereich Mathematik und Informatik : Ser. B, Informatik ; 07,15
005 Programmierung, Programme, Daten
This paper offers a review of technological developments regarding massive storage devices and the emergence of new streaming services for audio and video on-demand. While the capacity of storage devices has been increasing exponentially, the price of a stored bit has been falling at an even faster rate. Audio and video files can be stored on-line in personal computers and computer networks. Accessing this information requires new type of databases capable of handling special types of queries: access through annotations and metadata, access by similarity, and access by feature search. Databases with in-built streaming capabilities would be extremely useful for transmitting the information to the end user, while providing at the same time consistency checks, indexing, reporting, and querying features. They should also be fast and scalable. This paper reviews recent academic and industrial projects, and describes an implementation of a streaming video servlet based on the Oracle SQL database, its Binary Large Object storage data type, and the Java Database Connectivity interface.
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