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What is Datum

Chapter 35
Handbook of Research on Geoinformatics
The reference specifications of a measurement system, usually a system of coordinate positions on a surface or heights above or below a surface.
Published in Chapter:
Coupling GPS and GIS
Mahbubur R. Meenar (Temple University, USA), John A. Sorrentino (Temple University, USA), and Sharmin Yesmin (Temple University, USA)
Copyright: © 2009 |Pages: 8
DOI: 10.4018/978-1-59140-995-3.ch035
Abstract
Since the 1990s, the integration of GPS and GIS has become more and more popular and an industry standard in the GIS community worldwide. The increasing availability and affordability of mobile GIS and GPS, along with greater data accuracy and interoperability, will only ensure steady growth of this practice in the future. This chapter provides a brief background of GPS technology and its use in GIS, and then elaborates on the integration techniques of both technologies within their limitations. It also highlights data processing, transfer, and maintenance issues and future trends of this integration.
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Chapter 295
Improving Data Quality in Health Care
A fact or value assigned to a variable; single observational point that characterises a relationship. Data is the plural noun of datum
Published in Chapter: Improving Data Quality in Health Care; From: Encyclopedia of Information Science and Technology, Second Edition
Full Text Chapter Download: US $37.50 Add to Cart
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