Estimating probability surfaces for geographical point data: an adaptive kernel algorithm
Computers & Geosciences
Communications of the ACM
Internal and external evidence in the identification and semantic categorization of proper names
Corpus processing for lexical acquisition
The anatomy of a large-scale hypertextual Web search engine
WWW7 Proceedings of the seventh international conference on World Wide Web 7
Sorites paradox and vague geographies
Fuzzy Sets and Systems - Special issue on Uncertainty in geographic information systems and spatial data
Scaling question answering to the Web
Proceedings of the 10th international conference on World Wide Web
Exploiting redundancy in question answering
Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval
Getting answers to natural language questions on the web
Journal of the American Society for Information Science and Technology
Toward the semantic geospatial web
Proceedings of the 10th ACM international symposium on Advances in geographic information systems
Imprecision in Finite Resolution Spatial Data
Geoinformatica
Geographical Information Retrieval with Ontologies of Place
COSIT 2001 Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science
Qualitative Spatial Representation for Information Retrieval by Gazetteers
COSIT 2001 Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science
A Geometric Theory of Vague Boundaries Based on Supervaluation
COSIT 2001 Proceedings of the International Conference on Spatial Information Theory: Foundations of Geographic Information Science
HLT-NAACL-GEOREF '03 Proceedings of the HLT-NAACL 2003 workshop on Analysis of geographic references - Volume 1
Bootstrapping toponym classifiers
HLT-NAACL-GEOREF '03 Proceedings of the HLT-NAACL 2003 workshop on Analysis of geographic references - Volume 1
A confidence-based framework for disambiguating geographic terms
HLT-NAACL-GEOREF '03 Proceedings of the HLT-NAACL 2003 workshop on Analysis of geographic references - Volume 1
Georeferencing: The Geographic Associations of Information (Digital Libraries and Electronic Publishing)
International Journal of Geographical Information Science
Delineation of Valleys and Valley Floors
GIScience '08 Proceedings of the 5th international conference on Geographic Information Science
Geographical information retrieval
International Journal of Geographical Information Science
Mapping geographic coverage of the web
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
GEDMWA: geospatial exploratory data mining web agent
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
Automatic acquisition of vernacular places
Proceedings of the 10th International Conference on Information Integration and Web-based Applications & Services
Proceedings of the 2009 International Workshop on Location Based Social Networks
An agenda for the next generation gazetteer: geographic information contribution and retrieval
Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Bottom-Up Gazetteers: Learning from the Implicit Semantics of Geotags
GeoS '09 Proceedings of the 3rd International Conference on GeoSpatial Semantics
Geographical classification of documents using evidence from Wikipedia
Proceedings of the 6th Workshop on Geographic Information Retrieval
Images and perceptions of neighbourhood extents
Proceedings of the 6th Workshop on Geographic Information Retrieval
A web platform for the evaluation of vernacular place names in automatically constructed gazetteers
Proceedings of the 6th Workshop on Geographic Information Retrieval
Are places concepts? familarity and expertise effects in neighborhood cognition
COSIT'09 Proceedings of the 9th international conference on Spatial information theory
Information Sciences: an International Journal
Toponym resolution in social media
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part I
Delimiting imprecise regions with georeferenced photos and land coverage data
W2GIS'11 Proceedings of the 10th international conference on Web and wireless geographical information systems
Answering geographic questions with user generated content: experiences from the coal face
Proceedings of the twenty-seventh annual symposium on Computational geometry
Map-based filters for fuzzy entities in geographical information retrieval
NLDB'11 Proceedings of the 16th international conference on Natural language processing and information systems
Spatial grounding with vague place models
SIGSPATIAL Special
Vague regions in Geographic Information Retrieval
SIGSPATIAL Special
Your mileage may vary: on the limits of social media
SIGSPATIAL Special
Delineating imprecise regions via shortest-path graphs
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Learning boundaries of vague places from noisy annotations
Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Explanatory semantic relatedness and explicit spatialization for exploratory search
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Web Semantics: Science, Services and Agents on the World Wide Web
Constructing places from spatial footprints
Proceedings of the 1st ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information
Uncovering locally characterizing regions within geotagged data
Proceedings of the 22nd international conference on World Wide Web
Extracting spatiotemporal and semantic events from documents
Proceedings of the 7th Workshop on Geographic Information Retrieval
Towards Platial Joins and Buffers in Place-Based GIS
Proceedings of The First ACM SIGSPATIAL International Workshop on Computational Models of Place
Future Generation Computer Systems
Social Media Business Intelligence: A Pharmaceutical Domain Analysis Study
International Journal of Sociotechnology and Knowledge Development
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Place names are often used to describe and to enquire about geographical information. It is common for users to employ vernacular names that have vague spatial extent and which do not correspond to the official and administrative place name terminology recorded within typical gazetteers. There is a need therefore to enrich gazetteers with knowledge of such vague places and hence improve the quality of place name-based information retrieval. Here we describe a method for modelling vague places using knowledge harvested from Web pages. It is found that vague place names are frequently accompanied in text by the names of more precise co-located places that lie within the extent of the target vague place. Density surface modelling of the frequency of co-occurrence of such names provides an effective method of representing the inherent uncertainty of the extent of the vague place while also enabling approximate crisp boundaries to be derived from contours if required. The method is evaluated using both precise and vague places. The use of the resulting approximate boundaries is demonstrated using an experimental geographical search engine.