Helena Galhardas - Google Scholar Citations

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	All	Since 2015
Citations	1429	327
h-index	13	8
i10-index	15	6

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Co-authors

Dennis ShashaProfessor of Computer Science, New York UniversityVerified email at cs.nyu.edu
Paulo CarreiraINESC-ID & Instituto Superior Técnico, Universidade Técnica de LisboaVerified email at tecnico.ulisboa.pt
João Dias PereiraProfessor of Computer Science, Instituto Super TécnicoVerified email at ist.utl.pt
Jose BarateiroLNEC, INESC-IDVerified email at lnec.pt
Antonia LopesDepartamento de Informática and LaSIGE, Faculdade de Ciências, Universidade de LisboaVerified email at di.fc.ul.pt
Goncalo SimoesSoftware Engineer, GoogleVerified email at google.com
Emanuel SantosInvited Assistant Professor, Faculty of Sciences, University of LisbonVerified email at di.fc.ul.pt
Luís VeigaAssociate Professor, Instituto Superior Técnico (U.Lisboa) & INESC-IDVerified email at ist.utl.pt
Fátima RodriguesInstituto Superior de Engenharia / Politécnico do Porto (ISEP/IPP)Verified email at isep.ipp.pt
Luis GravanoProfessor of Computer Science, Columbia UniversityVerified email at cs.columbia.edu
Pradeeban KathiraveluPostdoctoral Researcher, Emory UniversityVerified email at emory.edu
Andreas WichertINESC-ID and Instituto Superior Técnico, Universidade de LisboaVerified email at ist.utl.pt
Anthony TomasicConsultant, Carnegie Mellon UniversityVerified email at cs.cmu.edu
Alberto Rodrigues da SilvaINESC-ID, Instituto Superior Técnico, Universidade de LisboaVerified email at tecnico.ulisboa.pt
Eliane PortelaLNECVerified email at lnec.pt
Valéria Magalhães PequenoPos-Doc researcher, INESC-IDVerified email at inesc-id.pt
Bruno MartinsProfessor, Computer Science and Engineering Department, IST, University of LisbonVerified email at ist.utl.pt
Pablo BarrioPh.D. Student, Columbia UniversityVerified email at cs.columbia.edu
Ashish SharmaAssociate Professor, Dept. of Biomedical Informatics, Emory UniversityVerified email at emory.edu
Peter Van RoyProfessor of Computing Science and Engineering, ICTEAM, EPL, Université catholique de LouvainVerified email at uclouvain.be

Helena Galhardas

INESC-ID and Instituto Superior Técnico, University of Lisbon

Verified email at ist.utl.pt - Homepage

Data Cleaning and Integration Data Profiling ETL Databases Information Extraction


Title	Cited by	Year
Declarative data cleaning: Language, model, and algorithms H Galhardas, D Florescu, D Shasha, E Simon, C Saita	468	2001
AJAX: An extensible data cleaning tool H Galhardas, D Florescu, D Shasha, E Simon ACM Sigmod Record 29 (2), 590, 2000	276	2000
An extensible framework for data cleaning H Galhardas, D Florescu, D Shasha, E Simon	178	1999
A survey of data quality tools. J Barateiro, H Galhardas Datenbank-Spektrum 14 (15-21), 48, 2005	96	2005
A taxonomy of data quality problems P Oliveira, F Rodrigues, P Henriques, H Galhardas 2nd Int. Workshop on Data and Information Quality, 219-233, 2005	72	2005
Improving Data Cleaning Quality Using a Data Lineage Facility. H Galhardas, D Florescu, DE Shasha, E Simon, CA Saita DMDW, 3, 2001	56	2001
Declaratively cleaning your data using AJAX H Galhardas, D Florescu, D Shasha, E Simon In Journees Bases de Donnees, 2000	40	2000
Efficient development of data migration transformations P Carreira, H Galhardas Proceedings of the 2004 ACM SIGMOD international conference on Management of …, 2004	30	2004
Execution of data mappers P Carreira, H Galhardas Proceedings of the 2004 international workshop on Information quality in …, 2004	23	2004
A framework for classifying scientific metadata H Galhardas, E Simon, A Tomasic AAAI Workshop on AI and Information integration, Madison, Wisconsin, 1998	17*	1998
One-to-many data transformations through data mappers P Carreira, H Galhardas, A Lopes, J Pereira Data & Knowledge Engineering 62 (3), 483-503, 2007	15	2007
Data mapper: An operator for expressing one-to-many data transformations P Carreira, H Galhardas, J Pereira, A Lopes International Conference on Data Warehousing and Knowledge Discovery, 136-145, 2005	15	2005
Support for user involvement in data cleaning H Galhardas, A Lopes, E Santos International Conference on Data Warehousing and Knowledge Discovery, 136-151, 2011	13	2011
Information Extraction tasks: a survey G Simoes, H Galhardas, L Coheur	13	2004
Benchmarking with TPC-H on off-the-shelf Hardware A Thanopoulou, P Carreira, H Galhardas ICEIS (1), 205-208, 2012	10	2012
Data cleaning and transformation using the AJAX framework H Galhardas International Summer School on Generative and Transformational Techniques in …, 2005	9	2005
Specifying complex correspondences between relational schemas and RDF models for generating customized R2RML mappings VM Pequeno, VMP Vidal, MA Casanova, LET Neto, H Galhardas Proceedings of the 18th International Database Engineering & Applications …, 2014	7	2014
When speed has a price: Fast information extraction using approximate algorithms G Simões, H Galhardas, L Gravano Proceedings of the VLDB Endowment 6 (13), 1462-1473, 2013	7	2013
Subspace tree: High dimensional multimedia indexing with logarithmic temporal complexity A Wichert, P Teixeira, P Santos, H Galhardas Journal of Intelligent Information Systems 35 (3), 495-516, 2010	7	2010
An argumentation-based approach to database repair E Santos12, JP Martins, H Galhardas ECAI 2010: 19th European Conference on Artificial Intelligence, 16-20 August …, 2010	7	2010

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