Towards Semantic Music Information Extraction from the Web Using Rule Patterns and Supervised Learning Peter Knees and Markus Schedl Department of Computational Perception, Johannes Kepler University, Linz, Austria
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[email protected] ABSTRACT potential relations between two entities is large. Such re- We present first steps towards automatic Music Information lations comprise, e.g., cover versions of songs, live versions, Extraction, i.e., methods to automatically extract seman- re-recordings, remixes, or mash-ups. Semantic high-level tic information and relations about musical entities from concepts such as \song X was inspired by artist A" or \band arbitrary textual sources. The corresponding approaches al- B is the new band of artist A" are very prominent in many low us to derive structured meta-data from unstructured or users' conception and perception of music and should there- semi-structured sources and can be used to build advanced fore be given attention in similarity estimation approaches. recommendation systems and browsing interfaces. In this By focusing solely on acoustic properties, such relations are paper, several approaches to identify and extract two spe- hard to detect (as can be seen, e.g., from research on cover cific semantic relations from related Web documents are pre- version detection [7]). sented and evaluated. The addressed relations are members A promising approach to deal with the limitations of signal- of a music band (band−members) and artists' discographies based methods is to exploit contextual information (for an (artist − albums; EP s; singles). In addition, the proposed overview see, e.g., [16]). Recent work in music information methods are shown to be useful to relate (Web-)documents retrieval has shown that at least some cultural aspects can to musical artists.