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    Hum-a-song: a subsequence matching with gaps-range-tolerances query-by-humming system

    Kotsifakos, A. and Papapetrou, Panagiotis and Hollmen, J. and Gunopulos, D. and Athitsos, V. and Kollios, G. (2012) Hum-a-song: a subsequence matching with gaps-range-tolerances query-by-humming system. Proceedings of the VLDB Endowment 5 (12), pp. 1930-1933. ISSN 2150-8097.

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    Abstract

    We present "Hum-a-song", a system built for music retrieval, and particularly for the Query-By-Humming (QBH) application. According to QBH, the user is able to hum a part of a song that she recalls and would like to learn what this song is, or find other songs similar to it in a large music repository. We present a simple yet efficient approach that maps the problem to time series subsequence matching. The query and the database songs are represented as 2-dimensional time series conveying information about the pitch and the duration of the notes. Then, since the query is a short sequence and we want to find its best match that may start and end anywhere in the database, subsequence matching methods are suitable for this task. In this demo, we present a system that employs and exposes to the user a variety of state-of-the-art dynamic programming methods, including a newly proposed efficient method named SMBGT that is robust to noise and considers all intrinsic problems in QBH; it allows variable tolerance levels when matching elements, where tolerances are defined as functions of the compared sequences, gaps in both the query and target sequences, and bounds the matching length and (optionally) the minimum number of matched elements. Our system is intended to become open source, which is to the best of our knowledge the first non-commercial effort trying to solve QBH with a variety of methods, and that also approaches the problem from the time series perspective.

    Metadata

    Item Type: Article
    School: Birkbeck Schools and Departments > School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Administrator
    Date Deposited: 11 Jun 2013 10:54
    Last Modified: 11 Jun 2013 10:55
    URI: http://eprints.bbk.ac.uk/id/eprint/7441

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