The international workshop on Web Information Systems Modeling (WISM) aims to uncover the most recent developments in the field of model-driven design of Web Information Systems (WIS). This is the eighth edition of the workshop, after seven successful editions organized in Vancouver (2010), Amsterdam (2009), Barcelona (2008), Trondheim (2007), Luxembourg (2006), Sydney (2005), and Riga (2004).@en

The fourth issue of LNCS Transactions on Petri Nets and Other Models of Concurrency (ToPNoC) contains revised and extended versions of a selection of the best papers from the workshops held at the 30th International Conference on Application and Theory of Petri Nets and Other Models of Concurrency, Paris, France, June 22¿26, 2009, and from the 10th Workshop and Tutorial on Practical Use of Coloured Petri Nets and the CPN Tools, Aarhus, Denmark, October 19¿22, 2009.@en