Multimedia search enables information search using queries in multiple data types including text and other multimedia formats.
We can distinguish two methodologies in multimedia search: Search is made using the layers in metadata which contain information of the content of a multimedia file.
Metadata search is easier, faster and effective because instead of working with complex material, such as an audio, a video or an image, it searches using text.
There are three processes which should be done in this method: In query by example, the element used to search is a multimedia content (image, audio, video).
It will be necessary to choose the criteria we are going to use for creating metadata.