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About 9,067 papers for “Geolocation”

Geolocation

Geoscientist · 2022

Riding towards London on a very dark night, William Buckland [1784–1856], Reader in Geology at the University of Oxford, and his friend, realised they had lost their way. But Buckland didn’t panic. He simply dismounted, took up a handful of soil and smelt it. “Uxbridge”, he proclaimed, his geological nose telling him the precise locality. […]

Cited by 0

HTML5 Geolocation

Holdener, Anthony · CERN Document Server (European Organization for Nuclear Research) · 2011

Truly revolutionary: now you can write geolocation applications directly in the browser, rather than develop native apps for particular devices. This concise book demonstrates the W3C Geolocation API in action, with code and examples to help you build HTML5 apps using the "write once, deploy everywhere" model. Along the way, you get a crash course in geolocation, browser support, and ways to integrate the API with common geo tools like Google Maps. Learn how geo information is gathered from different sources, depending on the deviceDiscover how coordinate systems work, including geodetic syst

Cited by 0

Geolocation applikáció

Amberboy Benedek · ELTE Digital Institutional Repository (EDIT) (Eötvös Loránd University) · 2021

Földrajzi pozíciókkal dolgozó android alkalmazás, amiben az egyes helyszínekhez hozzácsatolt wikipédia adatforrásokat lehet megtekinteni. (amennyiben az alkalmazást futtató készülék az adott helyszín(pozíció) közelébe esik)

Cited by 0

Sophia Geolocation

None · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 2017

Cited by 0Open access

Internet geolocation

James A. Muir, Paul C. van Oorschot · ACM Computing Surveys · 2009

Internet geolocation technology aims to determine the physical (geographic) location of Internet users and devices. It is currently proposed or in use for a wide variety of purposes, including targeted marketing, restricting digital content sales to authorized jurisdictions, and security applications such as reducing credit card fraud. This raises questions about the veracity of claims of accurate and reliable geolocation. We provide a survey of Internet geolocation technologies with an emphasis on adversarial contexts; that is, we consider how this technology performs against a knowledgeable adversary whose goal is to evade geolocation. We do so by examining first the limitations of existing techniques, and then, from this base, determining how best to evade existing geolocation techniques. We also consider two further geolocation techniques which may be of use even against adversarial targets: (1) the extraction of client IP addresses using functionality introduced in the 1.5 Java API, and (2) the collection of round-trip times using HTTP refreshes. These techniques illustrate that the seemingly straightforward technique of evading geolocation by relaying traffic through a proxy server (or network of proxy servers) is not as straightforward as many end-users might expect. We give a demonstration of this for users of the popular Tor anonymizing network.

Cited by 101

Using Geolocation

Adam Freeman · Apress eBooks · 2011

The Geolocation API allows us to obtain information about the current geographic position of the user (or at least the position of the system on which the browser is running). This isn't part of the HTML5 specification, but it is usually grouped up as part of the new features associated with HTML5. Table 38-1 provides the summary for this chapter.KeywordsLocation InformationPosition InformationPosition ObjectStreet ViewCallback FunctionThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Cited by 0

Indoor Geolocation

Shashi Shekhar, Hui Xiong, Xun Zhou · Encyclopedia of GIS · 2017

Cited by 0

User Geolocation

Patrick Marie · Apress eBooks · 2026

Geolocation is the process of determining the precise geographical position of a person, a device (such as a cell phone or computer), a vehicle, or any other connected object (or object equipped with a geolocation device). Generally, this position is expressed in coordinates (latitude and longitude) and enables the person or object to be positioned on a map.

Cited by 0

Isotope geolocation

Lihai Hu, Dubi Benyamini, Gerard Talavera et al. · OSF Preprints (OSF Preprints) · 2024

Isotope data and code to geolocate painted lady butterflies collected from north and south of the Sahara

Cited by 0Open access

Wireless geolocation

Jeffrey F. Bull · IEEE Vehicular Technology Magazine · 2009

Before wireless phones became commonplace, the United States Federal Communications Commission (FCC) recognized both the need and benefit of establishing a nationwide emergency number, 911, and the capability to route the call to the nearest public safety answering point (PSAP) while providing the calling number and its location. The first U.S. landline 911 call actually occurred at 2:00 p.m. on Friday, 16 February 1968, in Haleyville, Alabama, on the Alabama Telephone Company's network [1]. However, it was not until 1972 that the FCC recommended that 911 be implemented nationwide. Subsequently, many counties implemented landline 911 systems [1]. Once deployed, this resulted in a monumental improvement in the delivery of emergency services to those in need. Countless lives were saved because emergency service providers were able to provide help expeditiously. At this time, wireless phones were in their infancy. They were big, bulky, and expensive. Originally, it was never anticipated that they would deliver the cost efficiency, capability, and popularity that they have achieved today. In addition, it is a global phenomenon with many citizens of some countries possessing more than one mobile phone resulting in the wireless penetration in those countries exceeding 100%. As the number of U.S. wireless subscribers increased, it became apparent that the time would soon come when the number of emergency calls originating from mobile phones would exceed the number that originated from landline phones. One of the key benefits of the 911 capability was the almost instantaneous location determination of the landline phone that originated the call. With this information, emergency service providers could efficiently provide emergency services when and where needed. However, the "anytime, anywhere" communications convenience of wireless phones meant that mobile phone users were untethered or, in other words, not tied to a specific location. With this wireless revolution, the U.S. emergency service providers would lose a key piece of information---the location of the caller in distress---unless something was done.

Cited by 61

Implementing Geolocation

Giacomo Andreucci · Apress eBooks · 2013

Geolocation is undoubtedly one the the most relevant functions that a geo app may implement, so in this chapter I present the procedures for handling geolocation in an app. I will consider geolocation capabilities offered by HTML5 with the W3C Geolocation API. Since this is the last chapter dedicated to realizing map-based web apps, I will conclude it by gathering some of the functions I showed you in previous chapters to form a simple, yet complete, U2's Dublin web app.

Cited by 10

WLAN Geolocation

Shashi Shekhar, Hui Xiong · Encyclopedia of GIS · 2008

Cited by 0

Tweet Geolocation

Wen-Haw Chong, Ee‐Peng Lim · 2017

Which venue is a tweet posted from? We referred this as fine-grained geolocation. To solve this problem effectively, we develop novel techniques to exploit each posting user's content history. This is motivated by our finding that most users do not share their visitation history, but have ample content history from tweet posts.

Cited by 22

Sophia Geolocation

None · OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 2017

Seeing SOPHIA in action.

Cited by 0Open access