Helena Galhardas
Helena Galhardas
INESC-ID and Instituto Superior Técnico, University of Lisbon
Verified email at ist.utl.pt - Homepage
Cited by
Cited by
Declarative data cleaning: Language, model, and algorithms
H Galhardas, D Florescu, D Shasha, E Simon, C Saita
AJAX: An extensible data cleaning tool
H Galhardas, D Florescu, D Shasha, E Simon
ACM Sigmod Record 29 (2), 590, 2000
An extensible framework for data cleaning
H Galhardas, D Florescu, D Shasha, E Simon
A survey of data quality tools.
J Barateiro, H Galhardas
Datenbank-Spektrum 14 (15-21), 48, 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
Improving Data Cleaning Quality Using a Data Lineage Facility.
H Galhardas, D Florescu, DE Shasha, E Simon, CA Saita
DMDW, 3, 2001
Declaratively cleaning your data using AJAX
H Galhardas, D Florescu, D Shasha, E Simon
In Journees Bases de Donnees, 2000
Efficient development of data migration transformations
P Carreira, H Galhardas
Proceedings of the 2004 ACM SIGMOD international conference on Management of …, 2004
Execution of data mappers
P Carreira, H Galhardas
Proceedings of the 2004 international workshop on Information quality in …, 2004
A framework for classifying scientific metadata
H Galhardas, E Simon, A Tomasic
AAAI Workshop on AI and Information integration, Madison, Wisconsin, 1998
Support for user involvement in data cleaning
H Galhardas, A Lopes, E Santos
International Conference on Data Warehousing and Knowledge Discovery, 136-151, 2011
One-to-many data transformations through data mappers
P Carreira, H Galhardas, A Lopes, J Pereira
Data & Knowledge Engineering 62 (3), 483-503, 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
Information Extraction tasks: a survey
G Simoes, H Galhardas, L Coheur
Data cleaning and transformation using the AJAX framework
H Galhardas
International Summer School on Generative and Transformational Techniques in …, 2005
Benchmarking with TPC-H on off-the-shelf hardware
A Thanopoulou, P Carreira, H Galhardas
ICEIS (1), 205-208, 2012
Connectionlens: finding connections across heterogeneous data sources
C Chanial, R Dziri, H Galhardas, J Leblay, MH Le Nguyen, I Manolescu
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
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
REEL: A relation extraction learning framework
P Barrio, G Simões, H Galhardas, L Gravano
IEEE/ACM Joint Conference on Digital Libraries, 455-456, 2014
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