Theory and Concepts of Spatial Information Science

Terms of Reference

• Fundamentals of spatial database design, spatial data structures, spatial analysis and geostatistics, spatial querying, spatial reasoning, spatial and temporal modeling;
• Aggregation, generalization, abstraction and rendering of image and vector data;
• Spatial decision support systems;
• Processing, analysis and modeling of multi-dimensional geospatial data;
• System integration and modeling aspects for data and geoinformation processing;
• Interoperability of heterogeneous spatial information systems;
• Semantic and geometric integration of heterogeneous spatial information;
• Communication and visualization of spatial data;
• Data mining, filtering, retrieval and dissemination;
• Spatial data quality and spatial model quality.

WORKING GROUPS of ISPRS COMMISSION II

• WG II/1 - Cognition and Modeling of Space and Time
• WG II/2 - Multi-Scale Representation of Spatial Data
• WG II/3 - Spatial Analysis and Data Mining
• WG II/4 - Uncertainty Modeling and Quality Control for Spatial Data
• WG II/5 - Multidimensional and Mobile Data Models
• WG II/6 - Geo-Visualization and Virtual Reality
• WG II/7 - Spatial Decision Support and Location-Based Services

INTERCOMMISSION WGs of ISPRS COMMISSION II

• ICWG II/IV - Semantic Data Interoperability and Ontology for Geospatial Information

WG II/1 - Cognition and Modeling of Space and Time

WG II/1  Terms of Reference

• Concept and theory of modelling space and time
• Cognition of space and time
• Spatial and spatio-temporal data models and structures
• Spatial and spatio-temporal topology and relationships
• Spatio-temporal data indexing and query for vector-based spatial data
• Computational geometry for spatio-temporal modelling

WG II/2 - Multi-Scale Representation of Spatial Data

WG II/2  Terms of Reference

• Generalization and abstraction of vector and raster data
• Semantic generalization of data models
• Development of open standard services for generalization operations
• Quality-based generalization: control and evaluation
• Context interpretation: important structures in the data have to be interpreted before they can be generalized
• Development of multiscale and multiple representation analysis tools to exploit the existing hierarchies and relationships especially in the context distributed data, e.g. in geosensor networks
• Generalization of spatio-temporal information
• Multiple representation modelling, storage and analysis of city models (e.g. CityGML)
• Continuous generalization: incremental streaming of multi-scale data
• Information aggregation from multi-scale spatial data.

WG II/3 - Spatial Analysis and Data Mining

WG II/3  Terms of Reference

• Theory of spatial analysis
• Spatial reasoning processes
• Information discovery in spatial databases
• Spatial analysis models and methods
• Spatial data mining. models
• Intelligent computation in spatial analysis
• Spatial analysis and data mining applications

WG II/4 - Uncertainty Modeling and Quality Control for Spatial Data

WG II/4  Terms of Reference

• Understanding uncertainties in spatial data
• Quality control for spatio-temporal data
• Modelling error propagation in spatial analysis
• Presentation of quality information by metadata in GIS
• Quality of spatio-temporal models

WG II/5 - Multidimensional and Mobile Data Models

WG II/5  Terms of Reference

• Data modelling and computational algorithms for multidimensional GIS
• Dynamic GIS with applications, such as for the marine environment
• Methodology and algorithms for dynamic operations in GIS
• Design and development of databases for dynamic and multi-dimensional GIS
• Data model and methods for information representation for GIS on mobile devices
• Collaborate with other communities, such as Location-based Services, computational geometry.

WG II/6 - Geo-Visualization and Virtual Reality

WG II/6  Terms of Reference

• Enhanced communication of geographical data, information, and knowledge
• Geovisualization (including the Web)
• Novel methods and tools for exploring geographical decision spaces
• Exploration of tools and techniques for visualizing space and time
• Usability testing of geographical visualization and virtual reality
• Development and application of Immersive and semi-immersive virtual reality
• Enchantment of Geo-communication by Geo-visualization and Virtual Reality

WG II/7 - Spatial Decision Support and Location-Based Services

WG II/7  Terms of Reference

• Theory, concepts, design and development of Spatial Planning Support Systems (SPSS)
• Model integration, component based modelling, Community/participatory modelling (bio-physical and socioeconomic models)
• Theory, concepts, design and development of Spatial Decision Support Systems (SDSS)
• Theory concepts and application of Spatial Multiple Criteria Decision Analysis (SMCDA) in single and group environment
• Theories and concepts of decision supports using vague information
• Design and development of Collaborative Spatial Decision Support Systems, (CSDSS), considering various modelling techniques, and requirements of different user-groups (style, functionality, etc.)
• Theory, concepts, design and development of Integrated Planning and Decision Support Systems (IPDSS)
• Concepts, theory and application of Location Based technology
• Clarifying technical and social principles of location-based services (LBS)
• Designing a prototype of future society based on LBS which will serve as both urban infrastructure and the media

ICWG II/IV - Semantic Data Interoperability and Ontology for Geospatial Information

ICWG II/IV  Terms of Reference

• Assess ontologies and geo-semantics as they relate to the integration and harmonisation of heterogeneous data
• Discuss and develop methods for semantic and geospatial data(base) interoperability
• Continue developments on geo-spatiotemporal knowledge representation
• Focus on data interoperability for applications in Interactive Transportation Systems (ITS)