Integrating Semi-structured Data into Business Applications: A Web Intelligence Example. - Robert Baumgartner; Oliver Frölich; Georg Gottlob; Marcus Herzog; Peter Lehmann (Wissensmanagement (LNCS Volume), 2005)

The Lixto Project: Exploring New Frontiers of Web Data Extraction. - Julien Carme; Michal Ceresna; Oliver Frölich; Georg Gottlob; Tamir Hassan; Marcus Herzog; Wolfgang Holzinger; Bernhard Krüpl (BNCOD, 2006)

The Lixto Systems Applications in Business Intelligence and Semantic Web. - Robert Baumgartner; Oliver Frölich; Georg Gottlob (ESWC, 2007)

Web ETL. - Oliver Frölich (Encyclopedia of Database Systems, 2009)

Web ETL. - Oliver Frölich (Encyclopedia of Database Systems (2nd ed.), 2018)