Music information retrieval on the internet

The chapter discusses selected issues in the field of music information retrieval on the Internet. Differences between music information retrieval and text based information retrieval are indicated. Ways of extracting information from audio files are discussed. ISMIR (Internet Systems of Music Information Retrieval) based on MIDI files, algorithms for identification of audio files based on so called fingerprints and ways of updating audio file metadata are discussed. New algorithms for positioning results of music files searches are proposed and essential elements of contemporary Internet Music Information Retrieval Systems are indicated. © 2010 Springer-Verlag Berlin Heidelberg.