Georeferencing--relating information to geographic location--has been                  incorporated into today's information systems in various ways. We use online                  services to map our route from one place to another; science, business, and                  government increasingly use geographic information systems (GIS) to hold and analyze                  data. Most georeferenced information searches using today's information systems are                  done by text query. But text searches for placenames fall short--when, for example,                  a place is known by several names (or by none). In addition, text searches don't                  cover all sources of geographic data; maps are traditionally accessed only through                  special indexes, filing systems, and agency contacts; data from remote sensing                  images or aerial photography is indexed by geospatial location (mathematical                  coordinates such as longitude and latitude). In this book, Linda Hill describes the                  advantages of integrating placename-based and geospatial referencing, introducing an                  approach to "unified georeferencing" that uses placename and geospatial referencing                  interchangeably across all types of information storage and retrieval systems.After                  a brief overview of relevant material from cognitive psychology on how humans                  perceive and respond to geographic space, Hill introduces the reader to basic                  information about geospatial information objects, concepts of geospatial                  referencing, the role of gazetteer data, the ways in which geospatial referencing                  has been included in metadata structures, and methods for the implementation of                  geographic information retrieval (GIR). Georeferencing will be a valuable reference                  for librarians, archivists, scientific data managers, information managers,                  designers of online services, and any information professional who deals with                  place-based information.

Georeferencing: The Geographic Associations of Information (Digital Libraries and Electronic Publishing) PDF

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