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MONITORING OF LAND SUBSIDENCE IN RAVENNA MUNICIPALITY USING INTEGRATED SAR-GPS TECHNIQUES:DESCRIPTION AND FIRST RESULTS
Ravenna Land Subsidence GPS DInSAR Staring Spotlight Sentinel-1
2016/11/23
The Emilia Romagna Region (N-E Italy) and in particular the Adriatic Sea coastline of Ravenna, is affected by a noticeable subsidence that started in the 1950s, when the exploitation of on and off-sho...
RESEARCH ON THE FORMALIZATION DESCRIPTION OF USER REQUIREMENT IN GIS DEMAND-BASED SERVICES
Formalization Description User Requirement Custom Product Generalization Map Cartography On-demand Services
2016/3/17
The formalization description of user needs is one of key issues in GIS on-demand services. A number of user demand documents is collected, the paper analyzes them in semantics and geometric aspects, ...
A Scheme of Building Semantic Description of Geographic Processing Services
Internet GIS Semantics System Integration Geographical Services
2015/12/16
In this paper, a systematic scheme of building semantic description of Geographic Processing Services (GPServices) based on ontology is proposed. According to the principle of ontology, GPServices tax...
Ontology-Based Extensible Semantic Description Model for Discovery and Retrieval of Geo-Spatial Information
GIS Integration Knowledge Base Retrieval Representation Spatial Infrastructures Model Method
2015/12/11
Finding and accessing suitable geographic information to satisfy various applications in the open and distributed environments of Spatial Data Infrastructures (SDIs) is a crucial task. However, becaus...
Qualitative Detailed Description for Spatial Direction Relations
Spatial Information Sciences GIS Analysis Model Reasoning Spatial Direction Relations
2015/12/2
Direction relation is an important spatial relation. Descriptions and representations for direction relations have different levels of detail because of different dimensions of spatial objects and dif...
The aim of this paper was to describe from the geomorphometric point of view a cluter map derived by classification. More
specifically an ASTER image of the study area was radiometrically and geometr...
Research on The Three-dimensional Abstraction and Description of Reality
Abstraction Building, Database City Reconstruction
2015/7/6
The method of how to abstract reality into a two-dimensional map is already mature, but with the development of three-dimensional
GIS, we have to be up against the problem how to describe the reality...
SPATIAL PLANNING – THE OPEN FIELD FOR DATA DESCRIPTION AND WEB SERVICES
Spatial planning spatial data data harmonization web services spatial data modelling
2014/6/12
Spatial planning is important not only from the view of development of settlements and urbanised territories. It is necessary to integrate spatial planning activities in the total process of sustainab...