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Helena Galhardas

Papers on DiSC'06


Extending Relational Algebra to express one-to-many data transformations

Publications


Note: Links lead to the DBLP on the Web.

Helena Galhardas

Paulo J. F. Carreira , Helena Galhardas, João Pereira , Antónia Lopes : Data Mapper: An Operator for Expressing One-to-Many Data Transformations. DaWaK 2005 : 136-145

Paulo J. F. Carreira , Helena Galhardas, Antónia Lopes , João Pereira : Extending Relational Algebra to express one-to-many data transformations. SBBD 2005 : 145-159

José Barateiro , Helena Galhardas: A Survey of Data Quality Tools. Datenbank-Spektrum 14 : 15-21 (2005)

Paulo J. F. Carreira , Helena Galhardas: Execution of Data Mappers. IQIS 2004 : 2-9

Paulo J. F. Carreira , Helena Galhardas: Efficient Development of Data Migration Transformations. SIGMOD Conference 2004 : 915-916

Elsa Cardoso , Helena Galhardas, António Rito Silva : A Decision Support System for IST Academic Information. Informatica (Slovenia) 27 (3): 313-323 (2003)

Helena Galhardas, Daniela Florescu , Dennis Shasha , Eric Simon , Cristian-Augustin Saita : Improving Data Cleaning Quality Using a Data Lineage Facility. DMDW 2001 : 3

Helena Galhardas, Daniela Florescu , Dennis Shasha , Eric Simon , Cristian-Augustin Saita : Declarative Data Cleaning: Language, Model, and Algorithms. VLDB 2001 : 371-380

Helena Galhardas, Daniela Florescu , Dennis Shasha , Eric Simon : An Extensible Framework for Data Cleaning. ICDE 2000 : 312

Helena Galhardas, Daniela Florescu , Dennis Shasha , Eric Simon : AJAX: An Extensible Data Cleaning Tool SIGMOD Conference 2000 : 590

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