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  1. Proceedings of the 2005 workshop on Geographic information retrieval (GIR '05)
  2. Filtering mechanisms for the visualization of geo-referenced information
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Filtering mechanisms for the visualization of geo-referenced information
Detecting geographic locations from web resources
Automatically identifying and georeferencing street maps on the web
Geographical partition for distributed web crawling
An evaluation of a multidimensional visual interface for geographic information retrieval
Extracting metadata for spatially-aware information retrieval on the internet
Finding geodata that otherwise would have been forgotten- GeoXchange: a SDI-based portal for sharing free geodata
Geographic web search based on positioning expressions
Visualization and semantic analysis of geographic metadata
Indexing and ranking in Geo-IR systems
Ontology-based service discovery in spatial data infrastructures
Challenges and resources for evaluating geographical IR

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Filtering mechanisms for the visualization of geo-referenced information

Content Provider ACM Digital Library
Author Afonso, Ana Paula Carmo, Maria Beatriz Cláudio, Ana Paula Freitas, Sérgio
Abstract This paper describes a prototype of a web tool for the visualization of geo-referenced information organized in several categories. The main features that distinguish this tool from others with the same purpose are the inclusion of filtering mechanisms based on semantic criteria and the use of multiple representations with different levels of detail. Filtering mechanisms contribute to reduce the amount of displayed data allowing the generation of intelligible representations. The user selects interactively the categories she/he is interested in. This is a basic filtering mechanism, but besides this, a degree of interest function is used to include semantic criteria. This function quantifies the user's interest in order to visualize the most relevant data, suppressing the less relevant data.The definition of multiple representations with different levels of detail enables the reduction of the detail when small scales are being used. In addition less detailed representations are used to present less relevant data.
Starting Page 1
Ending Page 4
Page Count 4
File Format PDF
ISBN 1595931651
DOI 10.1145/1096985.1096987
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2005-11-04
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Geo-referenced data Visualization Degree of interest function Filtering mechanisms
Content Type Text
Resource Type Article
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