This paper introduces the concept of Social Media Geographic Information\ud (SMGI) as an emergent pluralist source of information which – it is\ud argued- may find valuable application in spatial planning and Geodesign. On\ud the base of empirical research, the author proposes a tentative framework for\ud SMGI Analytics in spatial planning. Among other methods, Spatial-Temporal\ud Textual Analysis (STTx) is proposed as a tool to investigate people perceptions\ud and interest in space and time. Possible implications and benefits of SMGI analytics\ud for the planning practice emerge from the overall discussion

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This contribution reports on ongoing research carried on by the authors on the role of Social Media Geographic Information in spatial planning, design, and decision-making. Explicit and Implicit Volunteered Geographic Information (VGI) from social media platforms, namely Social Media Geographic Information (SMGI) resources, were used to explore novel methods and tools for analysis and knowledge construction. The results concern three main research streams carried on with the common feature of integrating social media and other volunteered and authoritative sources of information from Spatial Data Infrastructures (SDI). These findings demonstrated that the integration of SMGI with more traditional Authoritative Geographic Information (A-GI) may offer a high potential for eliciting pluralist knowledge for spatial planning.

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Abstract:is study analyzes the inter-municipal commuting systems of the Italian islands of Sardinia and Sicily, employing weighted network analysis technique. Based on the results obtained for the Sardinian commuting network, the network analysis is used to identify similarities and dissimilarities between the two systems.