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 …

Many web documents refer to specific geographic localities and many people include
geographic context in queries to web search engines. Standard web search engines treat …

Ontologies play a key role in Semantic Web research. A common use of ontologies in
Semantic Web is to enrich the current Web resources with some well-defined meaning to …

A geo-ontology has a key role to play in the development of a spatially aware search engine,
with regard to providing support for query disambiguation, query term expansion, relevance …

Many applications benefit from the use of a suitable ontology but it can be difficult to
determine which ontology is best suited to a particular application. Although ontology …

Locality information for specimens of geological, biological, and cultural objects is
traditionally stored as textual descriptions. With an increasing demand for natural and …

This paper presents methods used to extract geospatial information from web pages for use
in SPIRIT, a new Geographic Information Retrieval (GIR) system for the web. The resulting …

Geo-spatial ontologies provide knowledge about places in the world and spatial relations
between them. They are fundamental in order to build semantic information retrieval systems …

This paper describes several steps in the derivation of boundaries of imprecise regions
using the Web as the information source. We discuss how to use the Web to obtain locations …

Abstract Geographical Topic Phrases (GTPs) are specialized terms for describing
geographical objects, phenomena, or events and are frequently used to organize, navigate …