A fast alternative to Phong's specular model
Graphics gems IV
GIPSY: automated geographic indexing of text documents
Journal of the American Society for Information Science - Special issue: spatial information
Toward the semantic geospatial web
Proceedings of the 10th ACM international symposium on Advances in geographic information systems
A Logical Approach to Incorporating Qualitative Spatial Reasoning into GIS (Extended Abstract)
COSIT '97 Proceedings of the International Conference on Spatial Information Theory: A Theoretical Basis for GIS
GeoVSM: An Integrated Retrieval Model for Geographic Information
GIScience '02 Proceedings of the Second International Conference on Geographic Information Science
Reasoning about Binary Topological Relations
SSD '91 Proceedings of the Second International Symposium on Advances in Spatial Databases
Qualitative Spatial Representation and Reasoning Techniques
KI '97 Proceedings of the 21st Annual German Conference on Artificial Intelligence: Advances in Artificial Intelligence
Indexing and ranking in Geo-IR systems
Proceedings of the 2005 workshop on Geographic information retrieval
Geographical information access for non-structured data
Proceedings of the 2006 ACM symposium on Applied computing
Efficient query processing in geographic web search engines
Proceedings of the 2006 ACM SIGMOD international conference on Management of data
Qualitative Spatial Representation and Reasoning: An Overview
Fundamenta Informaticae - Qualitative Spatial Reasoning
Spatial data methods and vague regions: A rough set approach
Applied Soft Computing
Neighborhood restrictions in geographic IR
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
A global process to access documents' contents from a geographical point of view
Journal of Visual Languages and Computing
STEWARD: architecture of a spatio-textual search engine
Proceedings of the 15th annual ACM international symposium on Advances in geographic information systems
Linguistic modelling of imperfect spatial information as a basis for simplifying spatial analysis
Information Sciences: an International Journal
Spatio-textual indexing for geographical search on the web
SSTD'05 Proceedings of the 9th international conference on Advances in Spatial and Temporal Databases
Judging the spatial relevance of documents for GIR
ECIR'06 Proceedings of the 28th European conference on Advances in Information Retrieval
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Natural Language 'schematizes' space; textual geographic information is usually a selection of certain aspects of a referent scene while neglecting others. Thus, an indexing process relying on such information obviously contains some degree of imprecision and uncertainty. The PIV prototype is a GIR system dedicated to geographic evocations tagging, geo-computing, indexing, querying and visualizing in wide corpora of travel books. The aim of this paper is to focus on the PIV spatial relationships management of vagueness for distance, direction and topology relationships. The proposed approach extends GIS operators with fuzzy spatial relationship functions like proximity and cardinal direction.