“…Drawing on a comprehensive literature review that included prior studies on the assessment of mashups [5,9,11], mashup components [6], mashup tools [37], and Web 2.0 applications designed for collaborative writing [30,31,33], mind mapping [33,35,36], and diagramming [31,35], an initial pool of 165 items meant for measuring diverse facets of quality in the context of mashups was designed. To ensure content validity at all levels of granularity in the model, the relevance of items was examined by two independent mashup experts on a three-point scale (1-mandatory, 2 -desired, 3 -not relevant).…”