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  • Incremental consolidation of data-intensive multi-flows  Open access

     Jovanovic, P.; Romero, O.; Simitsis, A.; Abello, A.
    IEEE transactions on knowledge and data engineering
    Vol. 28, num. 5, p. 1203-1216
    DOI: 10.1109/TKDE.2016.2515609
    Date of publication: 2016-05-01
    Journal article
    Access to the full text
  • Tuning small analytics on Big Data: Data partitioning and secondary indexes in the Hadoop ecosystem

     Romero, O.; Herrero, V.; Abello, A.; Ferrarons, Jaume
    Information systems
    Vol. 54, p. 336-356
    DOI: 10.1016/j.is.2014.09.005
    Date of publication: 2015-12
    Journal article
  • Supporting data integration tasks with semi-automatic ontology construction

     Touma, R.; Romero, O.; Jovanovic, P.
    International Workshop On Data Warehousing and OLAP
    p. 89-98
    DOI: 10.1145/2811222.2811228
    Presentation's date: 2015-10
    Presentation of work at congresses
  • A framework for building OLAP cubes on graphs

     Ghrab, A.; Romero, O.; Skhiri, S.; Vaisman, A.; Zimányi, E.
    East-European Conference on Advances in Databases and Information Systems
    p. 92-105
    DOI: 10.1007/978-3-319-23135-8_7
    Presentation's date: 2015-09
    Presentation of work at congresses
  • Quarry : digging up the gems of your data treasury  Open access

     Jovanovic, P.; Romero, O.; Simitsis, A.; Abello, A.; Candón, H.; Nadal, S.
    International Conference on Extending Database Technology
    p. 549-552
    DOI: 10.5441/002/edbt.2015.55
    Presentation's date: 2015-03-25
    Presentation of work at congresses
    Access to the full text
  • Using semantic web technologies for exploratory OLAP: A survey  Open access

     Abello, A.; Romero, O.; Pedersen, T.; Berlanga, R.; Nebot, V.; Aramburu, M.; Simitsis, A.
    IEEE transactions on knowledge and data engineering
    Vol. 27, num. 2, p. 571-588
    DOI: 10.1109/TKDE.2014.2330822
    Date of publication: 2015-02-01
    Journal article
    Access to the full text
  • SM4AM : a semantic metamodel for analytical metadata

     Varga, J.; Romero, O.; Pedersen, T.; Thomsen, C.
    International Workshop On Data Warehousing and OLAP
    p. 57-66
    DOI: 10.1145/2666158.2666182
    Presentation's date: 2014-11-07
    Presentation of work at congresses
  • Towards next generation BI systems : the analytical metadata challenge

     Varga, J.; Romero, O.; Pedersen, T.; Thomsen, C.
    International Conference on Data Warehousing and Knowledge Discovery
    p. 89-101
    DOI: 10.1007/978-3-319-10160-6_9
    Presentation's date: 2014-09
    Presentation of work at congresses
  • A requirement-driven approach to the design and evolution of data warehouses

     Jovanovic, P.; Romero, O.; Simitsis, A.; Abello, A.; Mayorova, D.
    Information systems
    Vol. 44, p. 94-119
    DOI: 10.1016/j.is.2014.01.004
    Date of publication: 2014-08-01
    Journal article
  • Integració i avaluació de la competència genèrica transversal actitud adequada davant el treball en assignatures de bases de dades  Open access

     Martin, C.; Urpi, T.; Burgues, X.; Romero, O.; Abello, A.; Casany, M.J.; Quer, C.; Rodríguez, M. Elena
    Congrés Internacional de Docència Universitària i Innovació
    p. 1-18
    Presentation's date: 2014-07-02
    Presentation of work at congresses
    Access to the full text
  • On the complexity of requirements engineering for decision-support systems: The CID case study

     Raventos, R.; García, S.; Romero, O.; Abello, A.; Viñas, J.
    European Business Intelligence Summer School
    p. 1-38
    DOI: 10.1007/978-3-319-17551-5_1
    Presentation's date: 2014-07
    Presentation of work at congresses
  • Modelització i Processament de la Informació (MPI)

     Casanovas, J.; Olive, A.; Sancho, Maria-Ribera; Aluja, T.; Barcelo, J.; Urpi, T.; Abello, A.; Romero, O.; Raventos, R.; Farre, C.; Codina, E.; Lídia Montero; Guasch, A.; Fonseca, P.; Estañol, M.; Oriol, X.; Teniente, E.
    Competitive project
  • Open access semantic aware business intelligence

     Romero, O.; Abello, A.
    European Business Intelligence Summer School
    p. 121-149
    DOI: 10.1007/978-3-319-05461-2_4
    Presentation's date: 2013-07-08
    Presentation of work at congresses
  • Ontology driven search of compound IDs

     Abello, A.; Romero, O.
    Knowledge and information systems
    Vol. 32, num. 1, p. 191-216
    DOI: 10.1007/s10115-011-0418-0
    Date of publication: 2012-07
    Journal article
  • ORE: an iterative approach to the design and evolution of multi-dimensional schemas

     Jovanovic, P.; Romero, O.; Simitsis, A.; Abello, A.
    International Workshop On Data Warehousing and OLAP
    p. 1-8
    DOI: 10.1145/2390045.2390047
    Presentation of work at congresses
  • Requirement-driven creation and deployment of multidimensional and ETL designs  Open access

     Jovanovic, P.; Romero, O.; Simitsis, A.; Abello, A.
    International Conference on Conceptual Modeling
    p. 391-395
    DOI: 10.1007/978-3-642-33999-8_47
    Presentation's date: 2012
    Presentation of work at congresses
    Access to the full text
  • Integrating ETL processes from information requirements

     Romero, O.; Jovanovic, P.; Simitsis, A.; Abello, A.
    International Conference on Data Warehousing and Knowledge Discovery
    p. 65-80
    DOI: 10.1007/978-3-642-32584-7_6
    Presentation's date: 2012
    Presentation of work at congresses
  • Service-oriented business intelligence

     Abello, A.; Romero, O.
    DOI: 10.1007/978-3-642-27358-2
    Date of publication: 2012
    Book chapter
    Image
  • A comprehensive framework on multidimensional modeling

     Romero, O.; Abello, A.
    International Conference on Conceptual Modeling
    p. 108-117
    DOI: 10.1007/978-3-642-24574-9_14
    Presentation's date: 2011-10-31
    Presentation of work at congresses
  • Building cubes with MapReduce

     Abello, A.; Ferrarons, Jaume; Romero, O.
    International Workshop On Data Warehousing and OLAP
    p. 17-24
    DOI: 10.1145/2064676.2064680
    Presentation's date: 2011-10-28
    Presentation of work at congresses
  • Describing analytical sessions using a multidimensional algebra

     Romero, O.; Marcel, P.; Abello, A.; Peralta, V.; Bellatreche, L.
    International Conference on Data Warehousing and Knowledge Discovery
    p. 224-239
    DOI: 10.1007/978-3-642-23544-3_17
    Presentation's date: 2011-09-02
    Presentation of work at congresses
  • GEM: requirement-driven generation of ETL and multidimensional conceptual designs

     Romero, O.; Simitsis, A.; Abello, A.
    International Conference on Data Warehousing and Knowledge Discovery
    p. 80-95
    DOI: 10.1007/978-3-642-23544-3_7
    Presentation's date: 2011-08-29
    Presentation of work at congresses
  • Data-driven multidimensional design for OLAP

     Romero, O.; Abello, A.
    International Conference on Scientific and Statistical Database Management
    p. 594-595
    DOI: 10.1007/978-3-642-22351-8_51
    Presentation's date: 2011-07-21
    Presentation of work at congresses
  • Multidimensional design methods for data warehousing

     Romero, O.; Abello, A.
    DOI: 10.4018/978-1-60960-537-7
    Date of publication: 2011
    Book chapter
    Image
  • Semantic web technologies for business intelligence

     Berlanga, R.; Romero, O.; Simitsis, A.; Nebot, V.; Pedersen, T.; Abello, A.; Aramburu, M.
    DOI: 10.4018/978-1-61350-038-5
    Date of publication: 2011
    Book chapter
    Image
  • Journal of systems and software

     Romero, O.
    Collaboration in journals
  • Using ontologies to discover fact IDs

     Abello, A.; Romero, O.
    International Workshop On Data Warehousing and OLAP
    p. 3-10
    DOI: 10.1145/1871940.1871944
    Presentation's date: 2010-11-26
    Presentation of work at congresses
  • A framework for multidimensional design of data warehouses from ontologies

     Romero, O.; Abello, A.
    Data and knowledge engineering
    Vol. 69, num. 11, p. 1138-1157
    DOI: 10.1016/j.datak.2010.07.007
    Date of publication: 2010-11
    Journal article
  • GEM: requirement-driven generation of ETL and multidimensional conceptual designs  Open access

     Romero, O.; Simitsis, A.; Abello, A.
    Date: 2010-10-21
    Report
    Access to the full text
  • Automatic validation of requirements to support multidimensional design

     Romero, O.; Abello, A.
    Data and knowledge engineering
    Vol. 69, num. 9, p. 917-942
    DOI: 10.1016/j.datak.2010.03.006
    Date of publication: 2010-09
    Journal article
  • Distributed and parallel databases

     Romero, O.
    Collaboration in journals
  • Automating the multidimensional design of data warehouses  Open access

     Romero, O.
    Department of Computer Science, Universitat Politècnica de Catalunya
    Theses
  • Programació pràctica en C++

     Gatius, M.; Lopez, J.; Martin, A.; Romero, O.; Valverde, A.; Xhafa, F.; Esquerra, I.; Amirian, G.
    Date of publication: 2010-02
    Book
    Image
  • Discovering functional dependencies from ontologies

     Romero, O.; Calvanese, D.; Abello, A.; Rodríguez , M.
    International Workshop On Data Warehousing and OLAP
    p. 1-8
    DOI: /doi.acm.org/10.1145/1651291.1651293
    Presentation's date: 2009-11-06
    Presentation of work at congresses
  • International journal of data warehousing and mining

     Romero, O.
    Collaboration in journals
  • Discovering meaningful keys from ontologies  Open access

     Romero, O.; Abello, A.; Montesó, J.
    Date: 2009-07
    Report
    Access to the full text
  • Automatic multidimensional design of data warehouses from requirements  Open access

     Romero, O.; Abello, A.
    Date: 2009-07
    Report
    Access to the full text
  • Access to the full text
  • A survey of multidimensional modeling methodologies

     Romero, O.; Abello, A.
    International journal of data warehousing and mining
    Vol. 5, num. 2, p. 1-23
    DOI: 10.4018/jdwm.2009040101
    Date of publication: 2009-04
    Journal article
  • Red nacional de gestión de datos

     Teniente, E.; Vela, B.; Abello, A.; Urpi, T.; Farre, C.; Romero, O.
    Competitive project
  • On-Line Analytical Processing (OLAP)

     Abello, A.; Romero, O.
    DOI: 10.1007/978-0-387-39940-9_252
    Date of publication: 2009
    Book chapter
    Image
  • METODOS Y HERRAMIENTAS PARA LA VALIDACION Y LA GENERACION DE MAPPINGS ENTRE ESQUEMAS DE DATOS

     Queralt, A.; Rull, G.; Urpi, T.; Abello, A.; Farre, C.; Romero, O.; Teniente, E.
    Competitive project
  • Innovaciones en la metodología docente para cursos universitarios de introducción a la programación de primer año

     Gatius, M.; Romero, O.; Lopez, J.; Xhafa, F.
    Congreso Iberoamericano de Docencia Universitaria
    Presentation's date: 2008-10-29
    Presentation of work at congresses
  • Método de aprendizaje colaborativo y estrategias innovadoras de evaluación en la disciplina de Fundamentos de Informática

     Lopez, J.; Gatius, M.; Romero, O.
    Congreso Iberoamericano de Docencia Universitaria
    Presentation's date: 2008-10-29
    Presentation of work at congresses
  • MDBE: Automatic Multidimensional Design

     Romero, O.; Abello, A.
    International Conference on Conceptual Modeling
    p. 534-535
    DOI: 10.1007/978-3-540-87877-3_48
    Presentation's date: 2008-10-21
    Presentation of work at congresses
  • MDBE: Automatic Multidimensional Modeling

     Romero, O.; Abello, A.
    Lecture notes in computer science
    Vol. 5231, p. 534-535
    DOI: 10.1007/978-3-540-87877-3_48
    Date of publication: 2008-10
    Journal article
  • Qualidade em sites na área da saúde (SALUS)

     Palazzo, J.; Abello, A.; Farre, C.; Romero, O.; García, R.; Oliva, M.
    Competitive project
  • Automating Multidimensional Design from Ontologies

     Romero, O.; Abello, A.
    International Workshop On Data Warehousing and OLAP
    p. 1-8
    Presentation's date: 2007-11-09
    Presentation of work at congresses
  • MDBE: Una Herramienta Automática para el Modelado Multidimensional

     Romero, O.; Abello, A.
    XII Jornadas de Ingeniería del Software y Bases de Datos (JISBD 2007)
    p. 387-388
    Presentation's date: 2007-09-12
    Presentation of work at congresses
  • On the Need of a Reference Algebra for OLAP

     Romero, O.; Abello, A.
    International Conference on Data Warehousing and Mining
    p. 99-110
    DOI: 10.1007/978-3-540-74553-2_10
    Presentation's date: 2007-09-03
    Presentation of work at congresses