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ORIGIN-DESTINATION-BASED PUBLIC TRANSPORT SERVICE GAP
Public transport Service gap Supply-Demand Origin-Destination Spatial disparity
2018/11/9
There are some studies that analyze public transport service gap by region from comparing supply and demand. However, due to data limitations, previous studies were limited in subdividing region-based...
DENDROGRAM CLUSTERING FOR 3D DATA ANALYTICS IN SMART CITY
Smart City Dendrogram Clustering 3D Spatial Database 3D GIS Data Analytics Data Structure
2018/11/9
Smart city is a connection of physical and social infrastructure together with the information technology to leverage the collective intelligence of the city. Cities will build huge data centres. Thes...
DEVELOPMENT OF A FRAMEWORK FOR IMPLEMENTING 3D SPATIAL DATA INFRASTRUCTURE IN OMAN – ISSUES AND CHALLENGES
2D and 3D Geospatial datasets 2D SDI 3D SDI
2018/11/9
The paper reviews that there are several issues and challenges in order to implement full 2D and 3D Spatial Data Infrastructure (SDI) in Oman. The state of current 2D SDI and 3D geospatial data has be...
ASSESSING THE CONDITION OF BURIED PIPE USING GROUND PENETRATING RADAR (GPR)
Ground Penetrating Radar (GPR) Pipe deterioration Buried utilities
2018/11/8
The invention of Ground Penetrating Radar (GPR) technology has facilitated the possibility of detecting buried utilities and has been used primarily in civil engineering for detecting structural defec...
INVESTIGATING THE NATIONAL DIGITAL CADASTRAL DATABASE (NDCDB) DATA HANDLING WITHIN GIS APPLICATIONS
National Digital Cadastral Database Multi-case study patial analysis
2018/11/8
This paper explains the investigation carried out to understand NDCDB data handling within GIS applications. The method used was a case study replicated to five established GIS applications from diffe...
典型通信铁塔抗震性能及地震易损性
通信铁塔 静力推覆分析 增量动力分析 地震易损性
2018/12/29
通信铁塔的地震易损性研究是通信系统震后灾害评估和预测的基础工作之一，但在以往的通信系统地震灾害评估研究中，这一工作被忽略了。在对北方某城市大量通信铁塔进行调研的基础上，选取了3个典型通信铁塔（50 m高四方塔、30 m高四方塔和50 m高单管塔）作为研究对象，采用有限元软件ABAQUS建立了数值模型；通过对3个铁塔的静力推覆分析，得到了处于不同损伤状态下的损伤指标数值；通过增量动力分析，得到了3个...
CONSISTENCY AND RELEVANCE OF VGI AVAILABLE FROM SOCIAL NETWORKS FOR EMERGENCY MITIGATION AND MUNICIPAL MANAGEMENT
Volunteered Geographic Information (VGI) Flickr, Emergency Mitigation
2018/11/9
Volunteered geographical information (VGI) is an increasing source of data for many applications. In order to explore some of these sources of data, an algorithm was conceived and implemented in the E...
IDENTIFICATION OF SIMILARITIES AND PREDICTION OF UNKNOWN FEATURES IN AN URBAN STREET NETWORK
urban traffic traffic analysis machine learning clustering
2018/11/9
Accurate predictions of the characteristics of urban streets in particular with respect to the typical traffic situations are crucial for numerous real world applications such as navigation, schedulin...
HISTORICAL SDI, THEMATIC MAPS AND ANALYSIS OF A COMPLEX NETWORK OF MEDIEVAL TOWERS (13TH–15TH CENTURY) IN THE MOORISH STRIP
GIS, Historical SDI, Spatial Data Analysis, Visibility, Medieval heritage, Towers of Moorish Strip
2018/11/9
This work is part of an investigation into the use of GIS for the documentation and comprehension of medieval architectural heritage in the ancient Kingdom of Seville. The research was done in the fra...
DATA INTEGRATION OF DIFFERENT DOMAINS IN GEO-INFORMATION MANAGEMENT: A RAILWAY INFRASTRUCTURE CASE STUDY
3D city model multi-dimensional modelling multi-source data integration
2018/11/9
A 3D city model is a representation of an urban environment with a three-dimensional geometry of common urban objects and structures, with buildings as the most prominent feature. In the last decades,...
ON VOLUME DATA REDUCTION FOR LIDAR DATASETS
LiDAR Redundancy Q-tree Big Data Problem Topography DTM
2018/11/9
This paper discusses a current issue for several experimental science disciplines, which is the Big Data Problem (BDP). This research study focused on light intensity and ranging (LiDAR) datasets, whi...
COMBINED VISUAL EXPLORATION OF 2D GROUND RADAR AND 3D POINT CLOUD DATA FOR ROAD ENVIRONMENTS
Ground Penetrating Radar 3D Point Cloud Infrastructure Maintenance
2018/11/9
Ground-penetrating 2D radar scans are captured in road environments for examination of pavement condition and below-ground variations such as lowerings and developing pot-holes. 3D point clouds captur...
PREDICTION BASED WORKLOAD PERFORMANCE EVALUATION FOR DISASTER MANAGEMENT SPATIAL DATABASE
Disaster Management Large Spatial Database Shortest Path Dijkstra Algorithm
2018/11/9
This paper discusses a prediction based workload performance evaluation implementation during Disaster Management, especially at the response phase, to handle large spatial data in the event of an eru...
MODELING TREES FOR VIRTUAL SINGAPORE: FROM DATA ACQUISITION TO CITYGML MODELS
LiDAR virtual city tree extraction and quantification procedural tree modeling
2018/11/9
Singapore, branded as a “City in a Garden”, has a long standing commitment to green the nation, one which has resulted in trees becoming an integral component of the urban environment. Similarly for i...
AUTOMATED BUILDING DETECTION IN DENSE POINT CLOUD AND UPDATE OF OPEN SOURCE DATA BASES
Dense matching, Building detection Classification Digital Terrain Model openstreetmap point cloud
2018/11/9
In this paper a method of detecting buildings in dense populated city areas using a three-dimensional model, produced by aerial images, is described. Further to the detection of the outline of the bui...