19 GIS research directions in the United States

1. Accuracy of spatial databases

　

Methods and Techniques for error handling and uncertainty error handling in geographic information data, including:

　

● Uncertainty Error Model

● Error Tracking and coding

● Calculation and Expression of errors in GIS applications

● Data Accuracy Evaluation

● Research on data quality, metadata, and data standards

　

2. Study on Spatial Relational Language

　

● Based on the standardized form of geospatial concepts, the theory of spatial relationship expression is formed using natural language and mathematical methods.

● Computing model of positioning expression

● Acquisition and Expression of spatial concepts

● Topology relationship Definition

● Visualization of Spatial Information

● GIS user interface

　

3. Multiple Expressions of Spatial Data

　

● Data of different versions and corresponding topological relationships organized for efficient data extraction, as well as multiple expressions of Spatial Data

● Map Drawing Rules meeting data consistency and accuracy requirements

● Data requirements for data models, links, multiple organizations, and multiple scales

　

4 study on the use and value of geographic information

　

● Understanding of factors and processes that play a key role in GIS acquisition, implementation and use

● GIS Propagation Model Establishment Method

● Determine the economic value of GIS

　

5 research on the structure system of massive space Databases

　

● Implementation of Data Models, structures, algorithms, user interfaces, and other issues in massive databases

● Space substitute mathematics

● Logic-based computer Query Language

● Specific content and organization of metadata

● Data compression and encryption methods

　

6. Spatial Decision Support System

　

● The role of GIS and Its Related Disciplines in decision-making

● Spatial Decision Support for solving regional disaster problems

● Spatial Decision Support System models and data

● Space decision support system technology and implementation

● Research on user requirements and organization

　

7. Research on Visualization of Spatial Information

　

● Research on the Structure of data quality management and Visualized Expression

● Error models and data quality indicators

● Data quality management in Databases

● Visualization tools that make internal expressions and Map Display easier

● User demand evaluation of data quality information

　

8 standardization of map plotting

　

● Study corresponding methods and guidelines to improve the consistency of spatial data and the efficiency and accuracy of Spatial Data expressions and Spatial Analysis

● Research on standardization of map plotting Language

● Fan-based Design Evaluation System

● Embed knowledge reasoning into the data model

　

9 Research on geographic information data sharing

　

● From geographic information and technology sharing to space data sharing

● Theoretical research on space data sharing

● Place where space data is shared

● Solution to spatial data sharing

　

10 spatial-temporal relationship in GIS

　

● Research on objects associated with space, time, and changes in a geographical space

● Division of different time concepts, such as discrete, continuous, and monotonous

● In specific applications, the choice of the Cartesian coordinates and Euclidean coordinates

● Embody and formalize human cognitive processes on time and space

● Simulated computing mode of spatial phenomena

　

11Research on Integration of remote sensing and GIS

　

It solves the key problems of remote sensing and GIS integration, including:

● Data structure and access problems

● Data Processing Process

● Error Analysis

● Institutional problems

　

12 GISUser Interface Research

　

● Human-Computer Interaction User Interface Design and Implementation

● Interaction between people and computers in GIS

● Impact of different backgrounds, languages, and cultures on Human-Computer Interaction

● Guidelines and methods for GIS Software User Interface Design

　

13 GIS and Spatial Analysis

　

● Spatial statistics spatial statistical analysis of geographic data

● The role of geographic boundaries and map scales in the spatial data system

● Sampling and interpolation of Spatial Data

● Relationship between GIS data structure and spatial statistical computing

　

14 study on the role of GIS in global changes

　

● A comprehensive and quantitative understanding of the role of GIS applications in global changes

● Establish the theoretical basis and computing structure based on small-scale research

● Global Data Quality Evaluation

　

15 laws, information policies, and spatial database relationships

　

● GIS data applicability

● Scientific understanding of laws and policies in the space database environment

● How to improve the content and quality of GIS laws

● Role of spatial databases in public policy and legal construction

● GIS's usefulness in public policies and laws

　

16 Research on the Formation of a spatial decision-making system through collaboration

　

● Provides development and evaluation tools to solve complex spatial problems

● Establish knowledge acquisition methods

● Establish an evaluation plan

● Determine the contact information of the collaborators

● Conflict resolution in an interactive environment

　

17 In the social background, how to study the expressiveness, space and Environment in GIS

　

● Population management and control

● Determine the population scope affected by the conflict

● Exploitation and use of natural resources concerned by the Political Economy

　

18 Research on geographic information system interoperability

　

● Open and distributed storage GIS structure

● Method for obtaining semantic features of geographic data

● Research on Data abstraction and Processing Models

● Granularity)

　

19 Study on standardized geographic world model

　

● Standardized Expression of geographic world

● Use the spatial data structure to express the real world and basic description elements

● Intuitive views of GIS users on the geographical world

 

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