Montoto, PaulaRaposo Santiago, JuanLosada, JoséBellas Permuy, FernandoPan Bermúdez, AlbertoLópez Mato, Javier2023-12-202023-12-202008Montoto, P., Pan, A., Raposo, J., Losada, J., Bellas, F., López, J. (2008). A Workflow-Based Approach for Creating Complex Web Wrappers. In: Bailey, J., Maier, D., Schewe, KD., Thalheim, B., Wang, X.S. (eds) Web Information Systems Engineering - WISE 2008. WISE 2008. Lecture Notes in Computer Science, vol 5175. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85481-4_30978-3-540-85481-40302-97431611-3349http://hdl.handle.net/2183/34582This version of the article has been accepted for publication, after peer review and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/978-3-540-85481-4_30.[Abstract]: In order to let software programs access and use the information and services provided by web sources, wrapper programs must be built to provide a “machine-readable” view over them. Although research literature on web wrappers is vast, the problem of how to specify the internal logic of complex wrappers in a graphical and simple way remains mainly ignored. In this paper, we propose a new language for addressing this task. Our approach leverages on the existing work on intelligent web data extraction and automatic web navigation as building blocks, and uses a workflow-based approach to specify the wrapper control logic. The features included in the language have been decided from the results of a study of a wide range of real web automation applications from different business areas. In this paper, we also present the most salient results of the study.engTodos os dereitos reservados. All rights reserved.Web wrappersData miningWeb automationWeb information systemsconference outputopen access10.1007/978-3-540-85481-4_30