Many datasets nowadays contain links between geographic locations and natural language
texts. These links can be geotags, such as geotagged tweets or geotagged Wikipedia …

Social media messages, such as tweets, are frequently used by people during natural
disasters to share real‐time information and to report incidents. Within these messages …

Location extraction, also called “toponym extraction,” is a field covering geoparsing,
extracting spatial representations from location mentions in text, and geotagging, assigning …

Recognizing references to places in texts is needed in many applications, such as search
engines, location-based social media and document classification. In this paper we present …

Cognitive regions and places are notoriously difficult to represent in geographic information
science and systems. The exact delineation of cognitive regions is challenging insofar as …

In this article we present GeoTxt, a scalable geoparsing system for the recognition and
geolocation of place names in unstructured text. GeoTxt offers six named entity recognition …

The successful execution of location-based and feature-based queries on spatial databases
requires the construction of spatial indexes on the spatial attributes. This is not simple when …

The purpose of text geolocation is to associate geographic information contained in a
document with a set (or sets) of coordinates, either implicitly by using linguistic features …

Local place names are frequently used by residents living in a geographic region. Such
place names may not be recorded in existing gazetteers, due to their vernacular nature …

News sources on the Web generate constant streams of information, describing many
aspects of the events that shape our world. In particular, geography plays a key role in the …