Articles producció científica> Enginyeria Informàtica i Matemàtiques

Working at the web search engine side to generate privacy-preserving user profiles

  • Identification data

    Identifier: PC:1900
    Authors:
    Jordi Castellà-RocaDavid Pàmies-EstremsAlexandre Viejo
    Abstract:
    Filiació URV: SI
  • Others:

    Author, as appears in the article.: Jordi Castellà-Roca; David Pàmies-Estrems; Alexandre Viejo
    Department: Enginyeria Informàtica i Matemàtiques
    URV's Author/s: CASTELLÀ ROCA, JORDI; David Pàmies-Estrems; VIEJO GALICIA, LUIS ALEXANDRE
    Keywords: web search Query logs Privacy
    Abstract: The popularity of Web Search Engines (WSEs) enables them to generate a lot of data in form of query logs. These files contain all search queries submitted by users. Economical benefits could be earned by means of selling or releasing those logs to third parties. Nevertheless, this data potentially expose sensitive user information. Removing direct identifiers is not sufficient to preserve the privacy of the users. Some existing privacy-preserving approaches use log batch processing but, as logs are generated and consumed in a real-time environment, a continuous anonymization process would be more convenient. In this way, in this paper we propose: (i) a new method to anonymize query logs, based on k-anonymity; and (ii) some de-anonymization tools to determine possible privacy problems, in case that an attacker gains access to the anonymized query logs. This approach preserves the original user interests, but spreads possible semi-identifier information over many users, preventing linkage attacks. To assess its performance, all the proposed algorithms are implemented and an extensive set of experiments are conducted using real data.
    Research group: Criptografia i Secret Estadístic
    Thematic Areas: Computer engineering Ingeniería informática Enginyeria informàtica
    licence for use: https://creativecommons.org/licenses/by/3.0/es/
    ISSN: 0957-4174
    Author identifier: 0000-0002-0037-9888; N/A; 0000-0003-2342-5100
    Record's date: 2016-09-21
    Last page: 535
    Journal volume: 64
    Papper version: info:eu-repo/semantics/acceptedVersion
    Link to the original source: https://www.sciencedirect.com/science/article/abs/pii/S0957417416304328?via%3Dihub
    Licence document URL: https://repositori.urv.cat/ca/proteccio-de-dades/
    Article's DOI: 10.1016/j.eswa.2016.08.033
    Entity: Universitat Rovira i Virgili
    Journal publication year: 2016
    First page: 523
    Publication Type: Article Artículo Article
  • Keywords:

    Protecció de dades
    Cercadors d'Internet
    web search
    Query logs
    Privacy
    Computer engineering
    Ingeniería informática
    Enginyeria informàtica
    0957-4174
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