• XML databases
• XML query optimization
• Mobile databases

Publications

• 2009
  • Brayner, A., Aguiar Moraes Filho, J., Holanda, M., Werbet, E., Fialho, S.
    Ensuring Mobile Databases Interoperability in Ad hoc Configurable Environments: a Plug-and-Play Approach (book chapter)
    In: Methods and Supporting Technologies for Data Analysis. Studies in Computational Intelligence, Vol. 225. Springer. ISBN: 978-3-642-02195-4
     
  • Aguiar Moraes Filho, J., Härder T.
    Accurate XML Summarization – A Comparison of Differing Approaches
    In: H.-M. Haav and A. Kalja (eds.) Databases and Information Systems V. Selected Papers from the Eighth International Baltic Conference, DB&IS 2008. Frontiers in Artificial Intelligence and Applications Vol. 187. IOS Press. ISBN 978-1-58603-939-4, pp. 29-40
     
• 2008
  • Aguiar Moraes Filho, J., Härder T.
    EXsum - An XML Summarization Framework
    In: Proc. the 12th International Database Engineering and Applications Symposium (IDEAS2008). Coimbra, Portugal. September 10-12, 2008, ISBN 978-1-60558-188-0, pp. 139-148
     
  • Aguiar Moraes Filho, J., Härder T.
    Tailor-made XML Synopses
    In: Proc. the Eighth International Baltic Conference DB&IS 2008. Tallinn, Estonia, June 2008, ISBN 978-9985-59-789-7, pp. 25-36
     
  • Aguiar Moraes Filho, J., Härder T.
    Accurate Histogram-based XML Summarization
    In: Proc. ACM Symposium on Applied Computing (SAC2008), Vol. II. Fortaleza, Ceará, Brazil, March 2008, pp. 998-1002
     
• 2007
  • Brayner, A., Meirelles, M., Aguiar Moraes Filho, J.
    Integrating Heterogeneous Data Sources in the Web (book chapter)
    In: Vakali, A. & Pallis, G (Eds.) Web Data Management, Idea Group Publishing, ISBN 1-59904229-0, pp. 199-218.
     
• 2006
  • Aguiar Moraes Filho, J., Härder T.
    Statistics for Cost-Based XML Query Optimization
    In: Proc. 18. Workshop "Grundlagen von Datenbanken", Wittenberg, Sachsen-Anhalt, June 2006, pp. 110-114.
     
  • Brayner, A., Aguiar Moraes Filho, J.
    On mobile transaction processing in dynamically configurable mobile database communities
    In: International Journal of Parallel, Emergent and Distributed Systems (IJPEDS), Taylor & Francis Group, ISSN 1744-5760, Vol.21 Issue 3, June 2006, pp. 199-213.
     
• 2005
  • Brayner, A., Aguiar Moraes Filho, J.
    Increasing Mobile Transaction Concurrency in Dynamically Configurable Environments
    In: Proc. 25th IEEE International Conference on Distributed Computing Systems Workshops (ICDCSW05). Columbus, OH, USA, June 6-10, 2005. ISBN 0-7695-2328-5. pp 637-641.
     
• 2004
  • Brayner, A., Aguiar Moraes Filho, J.
    AMDB - An Approach for Sharing Mobile Databases (Master dissertation)
    In: Proc. XXIV Brazilian Computing Society Congress (Thesis and Dissertation Contest), Salvador, BA, Brazil, July, 31 - August, 06, 2004, ISBN 85-88442-94-9.
     
• 2003
  • Brayner, A., Aguiar Moraes Filho, J.
    Increasing Mobile Transaction Concurrency in Mobile Database Communities
    In: Prof. V Workshop on Wireless Communication and Mobile Computing (WCSF), São Lourenço, MG, Brazil, October, 27-30, 2003. pp 235-240.
     
  • Brayner, A., Aguiar Moraes Filho, J.
    Sharing Mobile Databases in Dynamically Configurable Environments
    In: Eder, J. and Missikoff, M. (Eds.) Advanced Information and Systems Engeneering (CAiSE 2003), LNCS 2681, Klagenfurt, Austria, June 2003. pp. 724-737.
     
• 2002
  • Brayner, A., Aguiar Moraes Filho, J.
    AMDB - An Approach for Sharing Mobile Databases in Dynamically Configurable Environments
    In: Proc. XXII Brazilian Symposium on Databases (SBBD), Gramado, RS, Brazil, October, 14-16, 2002, ISBN 85-88442-32-9. pp.12-26.
     

Supervised Documents

• 2009
  • Yong, H.
    Transactional Memory: Basic Concept, Architecture and Realization Aspects on Hardware & Software Levels
    Seminar Einsatzmöglichkeiten aktueller Hardware-Entwicklungen im Datenmanagement. Sommersemester2009 (SS09)
     
• 2008
  • Sauer, C.
    Comparative Experimentation of Three Classes of Summary Structures on XML documents
    Research Report. Academic Interchange Student from Federal University of Rio Grande do Sul (UFRGS), Brazil
     
  • Hernández, M.
    XML Plan Operators
    Seminar XML und Datenbanken. Sommersemester2008 (SS08)
     
  • Hossain, M. M.
    Architectural Approaches of XDBMS Realization
    Seminar XML und Datenbanken. Wintersemester2008 (WS07-08)
     
• 2007
  • Mobus, F.
    An Analysis of Estimation Methods for XML Document Selectivities
    Research Report. Academic Interchange Student from Federal University of Rio Grande do Sul (UFRGS), Brazil
     
  • Dalpiaz, L.
    A Comparison of Two Structural Summarization Techniques for XML Documents
    Research Report. Academic Interchange Student from Federal University of Rio Grande do Sul (UFRGS), Brazil