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An approach for multi-scale urban building data integration and enrichment through geometric matching and semantic web / Abdulkadir Memduhoglu in Cartography and Geographic Information Science, vol 49 n° 1 (January 2022)  

Public [article]  inCartography and Geographic Information Science > vol 49 n° 1 (January 2022) . - pp 1 - 17 Titre : An approach for multi-scale urban building data integration and enrichment through geometric matching and semantic web Type de document : Article/Communication Auteurs : Abdulkadir Memduhoglu, Auteur ; Melih Basaraner, Auteur Année de publication : 2022 Article en page(s) : pp 1 - 17 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] appariement géométrique [Termes IGN] approche participative [Termes IGN] bâtiment [Termes IGN] données localisées des bénévoles [Termes IGN] données multiéchelles [Termes IGN] Istanbul (Turquie) [Termes IGN] ontologie [Termes IGN] OpenStreetMap [Termes IGN] SWRL [Termes IGN] web des données [Termes IGN] web sémantique [Termes IGN] zone urbaine Résumé : (auteur) The advent of Web 2.0 has emerged abundant but often unstructured user-generated georeferenced data, such as those from Volunteered Geographic Information (VGI) initiatives. In many cases, these data can be considered as complementary to the authoritative geospatial data. With the increasing availability of multi-source geospatial data, the efforts for geospatial data integration have gained momentum, aiming at gathering maximum information to answer sophisticated questions that cannot be answered using a single data source. Although there are various approaches employed for this purpose with different degrees of success, semantic web methods and tools have not been tested sufficiently in this scope, particularly for multi-scale urban building data integration and enrichment. Attempting to fill this gap, in this study, multi-source and multi-scale urban building data were integrated with a geometric matching method based on the overlapping area, then a geospatial ontology was developed to define multi-scale representations and detailed cardinality relations of the building features. Finally, some features from the geospatial ontology were then linked to popular knowledge bases such as DBpedia and YAGO. For the exploitation on the web, query and visualization processes were demonstrated using sample questions. The semantic web enabled to model complex cardinality of relations between the features from three different building data sets using inferencing and Semantic Web Rule Language (SWRL). The study showed that integrating different geospatial data sets as a knowledge base can facilitate answering sophisticated questions from different users. Numéro de notice : A2022-016 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/15230406.2021.1952108 Date de publication en ligne : 24/08/2021 En ligne : https://doi.org/10.1080/15230406.2021.1952108 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=99147 [article]

New measures for analysis and comparison of shape distortion in world map projections / Melih Basaraner in Cartography and Geographic Information Science, vol 47 n° 6 (October 2020)  

Public [article]  inCartography and Geographic Information Science > vol 47 n° 6 (October 2020) . - pp 518 - 531 Titre : New measures for analysis and comparison of shape distortion in world map projections Type de document : Article/Communication Auteurs : Melih Basaraner, Auteur ; Sinan Cetinkaya, Auteur Année de publication : 2020 Article en page(s) : pp 518 - 531 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Projections [Termes IGN] déformation géométrique [Termes IGN] indicatrice de Tissot [Termes IGN] mappemonde [Termes IGN] projection [Termes IGN] théorème de Tissot Résumé : (auteur) World maps can have quite different depictions of reality depending on the projection adopted, and this can influence our perception of the world. In this respect, shape is a significant property that needs to be considered, especially when representing large regions in general-purpose world maps. A map projection distorts most geometric properties (area, distance, direction/angle, shape, and specific curves) and usually preserves a single property or provides a compromise between different properties when transforming terrestrial features from globe to plane. The distortions are mainly classified based on area, distance and direction/angle and analyzed with Tissot’s theorem. However, this theorem offers a local (pointwise) solution, so the distortion assessment is valid at infinitesimal scale (i.e. for very small regions). For this reason, different approaches are required to analyze the distortions at finite scale (i.e. for larger regions). However, there are very few attempts at analyzing and comparing shape distortion of landmasses in world map projections owing to the fact that shape measurement is difficult and usually involves measuring different characteristics. Seeking to fill this gap, in this study, compactness and elongation distortion measures are introduced. In this regard, 16 world map projections are analyzed and compared with these distortion measures in a GIS environment, based on map datasets of continents and countries. An analysis of the effect of the levels of detail of the datasets is also presented. Numéro de notice : A2020-606 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/15230406.2019.1567394 Date de publication en ligne : 04/02/2019 En ligne : https://doi.org/10.1080/15230406.2019.1567394 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95966 [article]

Revisiting cartography : towards identifying and developing a modern and comprehensive framework / Melih Basaraner in Geocarto international, vol 31 n° 1 - 2 (January - February 2016)  

Public [article]  inGeocarto international > vol 31 n° 1 - 2 (January - February 2016) . - pp 71 - 91 Titre : Revisiting cartography : towards identifying and developing a modern and comprehensive framework Type de document : Article/Communication Auteurs : Melih Basaraner, Auteur Année de publication : 2016 Article en page(s) : pp 71 - 91 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie thématique [Termes IGN] base de données localisées [Termes IGN] données localisées [Termes IGN] exploration de données géographiques [Termes IGN] Infrastructure de données [Termes IGN] système d'information géographique Résumé : (Auteur) Developments in production, sharing and use of spatial data and information involve revisiting the role and scope of cartography. Cartography is a core discipline for spatially modelling, investigating and mapping natural and cultural environments, developing location-aware applications, establishing spatial data infrastructures and forming spatially enabled societies. In this context, spatial data handling provides key tools for creating spatial databases, integrating spatial data, producing geographic information and maps and so on. Although cartography plays a key role in many phases of such activities, it tends to be introduced only as visualization phase of spatial data handling. On the other hand, it is sometimes regarded to encompass entire phases of spatial data handling. So this article investigates the relationships between cartography and spatial data handling, management and use, and on this basis, proposes a modern and comprehensive framework for cartography to contribute to restoring the full conceptual breadth of the discipline. Numéro de notice : A2016-080 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106049.2015.1041560 Date de publication en ligne : 14/05/2015 En ligne : http://www.tandfonline.com/doi/full/10.1080/10106049.2015.1041560 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79866 [article]

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Characterisation of building alignments with new measures using C4.5 decision tree algorithm / Sinan Cetinkaya in Geodetski vestnik, vol 58 n° 3 ([01/09/2014])  

Public [article]  inGeodetski vestnik > vol 58 n° 3 [01/09/2014] . - pp 552 - 567 Titre : Characterisation of building alignments with new measures using C4.5 decision tree algorithm Type de document : Article/Communication Auteurs : Sinan Cetinkaya, Auteur ; Melih Basaraner, Auteur Année de publication : 2014 Article en page(s) : pp 552 - 567 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées [Termes IGN] alignement [Termes IGN] arbre de décision [Termes IGN] bati [Termes IGN] caractérisation [Termes IGN] classification dirigée [Termes IGN] généralisation cartographique automatisée [Termes IGN] régression [Termes IGN] triangulation de Delaunay Résumé : (auteur) Detection and characterisation of spatial patterns is crucial for cartographic generalisation since it entails preserving the patterns as much as possible within scale limits. Building alignments are commonly confronted patterns in the topographic maps/databases. They are perceptually recognised in accordance with relevant Gestalt factors, namely proximity, similarity, common orientation and continuity. This study is concentrated on how to characterise building alignments detected by automated or manual methods. To this end, new measures based on Delaunay triangulation and regression line/curve are established to correspond to the Gestalt factors. The relationship between the measures and Gestalt principles has been illustrated with a decision tree. An index value was computed by total sum of measures’ values to compare and order alignments from quality aspect. Additionally, a supervised classification was performed with C4.5 algorithm thus a decision tree was obtained to be able to both associate the quality categories with the measure values and automatically assign alignments into a quality class. The findings demonstrate that proposed measures are substantially effective for representing Gestalt factors. The proposed methods can potentially enhance and ease the characterisation of building alignments in topographic map generalization. Numéro de notice : A2014-560 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article En ligne : http://www.geodetski-vestnik.com/58/3/gv58-3_cetinkaya.pdf Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=74701 [article]

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A structure recognition technique in contextual generalisation of buildings and built-up areas / Melih Basaraner in Cartographic journal (the), vol 45 n° 4 (November 2008)  

Public [article]  inCartographic journal (the) > vol 45 n° 4 (November 2008) . - pp 274 - 285 Titre : A structure recognition technique in contextual generalisation of buildings and built-up areas Type de document : Article/Communication Auteurs : Melih Basaraner, Auteur ; M. Selcuk, Auteur Année de publication : 2008 Article en page(s) : pp 274 - 285 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] base de données orientée objet [Termes IGN] carte topographique [Termes IGN] diagramme de Voronoï [Termes IGN] généralisation cartographique automatisée [Termes IGN] généralisation du bâti [Termes IGN] Lamps2 [Termes IGN] prise en compte du contexte [Termes IGN] reconnaissance automatique [Termes IGN] système d'information géographique [Termes IGN] triangulation de Delaunay [Vedettes matières IGN] Généralisation Résumé : (Auteur) A structure recognition technique is presented that can be employed for contextual building and built-up area generalisation in medium-scale topographic maps. Owing to various spatial configurations, a contextual mechanism is necessary to achieve acceptable results in cartographic generalisation. Spatial structures are usually implicit in data, and advanced analysis and processing methods are required to detect them. This technique is based on auxiliary geometric data structures and spatial analysis methods. A case study is performed with a topographic data set, using an interface developed in an object-oriented geographic information system (O-O GIS). The proposed approach was found to assist and improve automation. Copyright British Cartographic Society Numéro de notice : A2008-468 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1179/174327708X347773 En ligne : https://doi.org/10.1179/174327708X347773 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29537 [article]

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