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In this paper, we propose and discuss a methodology to map the spatial fingerprints of novels and authors based on all of the named urban roads (i.e., odonyms) extracted from novels. We present several ways to explore Parisian space and fictional landscapes by interactively and simultaneously browsing geographical space and literary text. Our project involves building a platform capable of retrieving, mapping and analyzing the occurrences of named urban roads in novels in which the action occurs wholly or partly in Paris. This platform will be used in several areas, such as cultural tourism, urban research, and literary analysis. The paper focuses on extracting named urban roads and mapping the results for a sample of 31 novels published between 1800 and 1914. Two approaches to the annotation of odonyms are compared. First, we describe a proof of concept using queries made via the TXM textual analysis platform. Then, we describe an automatic process using a natural language processing (NLP) method. Additionally, we mention how the geosemantic information annotated from the text (e.g., a structure combining verbs, spatial relations, named entities, adjectives and adverbs) can be used to automatically characterize the semantic content associated with named urban roads.

Around the world, thousands of reservoir dams have flooded valleys and become concrete symbols of the Anthropocene. These landscapes, as well as material or immaterial cultural heritages, were flooded and thus became invisible, even though they remain in the memories of local populations. Today, alternative technologies can enable inhabitants to reappropriate these lost heritages and, in a way, make them visible again. 3D digital tools can effectively recreate representations of these landscapes and restore the visibility of these underwater heritage sites. In this study, we propose a 3D geographic information system methodology combined with 3D geovisualization to recreate sunken landscapes, and we demonstrate the results using the valley of the Gorges de la Loire in France as an example. We show how developing a historical database can provide a "backup copy" of lost landscapes and cultural heritage sites, enabling populations to safeguard and restore these features in their memory following flooding.

International audienceThis paper presents a research experiment that started in 2007 on the French "blue and green infrastructures". At the prompting of a French local administration, this experiment takes into account ecological stakes and involves actors in territorial planning at a metropolitan scale. Founded on previous works, the goal of the approach builds a participative workshop based on GIS and MCA coupling in order to think collectively and better understand the initial foundation of the method, the problems and proposed solutions, and the theoretical and the practical prerequisites. The final goal suggests methodological solutions to facilitate its generalization and its diffusion. The objectives are: 1) to analyse as objectively as possible the initial approach, methodological and technical choices, constraints, limits, and potential improvements; 2) to take into account questioning about the participative workshop conception and functioning; 3) to test new methodological proposals

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