CD613E3B-D621-46DA-84CC-06BC11E09DBAVADA: Value Added Data Systems -- Principles and ArchitectureResearch GrantEP/M025268/1798CB33D-C79E-4578-83F2-72606407192CEPSRCINCOME_ACTUAL4557635FCB6B88B-308C-4A40-980C-934429BCAF3AEncyclopedia of Database Systemsf00f848e72225c45e61bc1126fa84ee9Baumgartner R2018-01-01http://dx.doi.org/10.1007/978-1-4614-8265-9_11541226-7708http://dx.doi.org/10.1007/978-1-4614-8265-9_1154Web Data Extraction System4611-4618Book Chapter5c88eeb72367f8.13977611