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Topic: Geolocation

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	GeoLocation Node (Site not responding. Last check: 2007-10-11)
		The GeoLocation node is an new node for VRML, implemented using VRML's EXTERNPROTO facility.
		That is, all UTM coordinates in one GeoLocation node are assumed to be contained within one UTM zone.
		The GeoLocation node will set your orientation so that, wherever you are, the +Y axis is gravitional up for that local area, -Z points towards the north pole, and +X is east.
	www.ai.sri.com /geovrml/protos/GeoLocation/index.html (955 words)

	SMEX02 Land Surface Information: Geolocation, Surface Roughness and Photographs
		Geolocation data are in 14 ASCII text files, including 13 tab-delimited (row/column) data files and one text document that describes the study areas and bounding boxes.
		Geolocation data are provided as latitude and longitude coordinates, in decimal degrees, and in UTM coordinates, in meters.
		Geolocation data are provided in both latitude and longitude (decimal degrees) and in UTM coordinates (Zone 15, in meters).
	nsidc.org /data/docs/daac/nsidc0204_smex_ancillary.gd.html (1399 words)

	CWINS: Indoor Geolocation (NSF) (Site not responding. Last check: 2007-10-11)
		Geolocation applications supported by these networks will provide a number of innovative and vital technologies for commercial, public safety, and military applications.
		In commercial applications for residential and nursing homes environments indoor geolocation technology will provide for tracking the elderly and children who are away from visual supervision, for navigating the blind and other special need people, and for locating in-demand portable equipment in hospitals.
		Although the myriad of indoor geolocation applications have already attracted public attention to the extend that it has been addressed in several mass media scientific programs, there has been no serious attempt to develop a scientific basis to evaluate the physical limitation of these systems.
	www.cwins.wpi.edu /projects/scripts/nsf_geolocation.html (452 words)

	Milford Amateur Radio Club » Blog Archive » Visitor Tracking - Geolocation software (Site not responding. Last check: 2007-10-11)
		In computing, geolocation software is used to deduce the geolocation (geographic location) of the other party, for example on the internet.
		Geolocation software is used for example to limit distribution of certain information to people from certain areas.
		One simple approach to geolocation is looking at the IP address and determining what country, organization, or user it has been assigned to, and guess the user’s location based on that.
	www.w8mrc.com /2006/06/19/visitor-tracking-geolocation-software (291 words)

	Geolocation by IP Address
		Geolocation by IP address is the technique of determining a user's geographic latitude, longitude and, by inference, city, region and nation by comparing the user's public Internet IP address with known locations of other electronically neighboring servers and routers.
		GPS is limited by line-of-sight to the constellation of satellites in Earth's orbit, which severely limits locating systems in cities, due to high buildings, and indoors, due to complete overhead blockage.
		Now that we've explained some of the techniques that can be used in geolocating Internet users by their IP addresses, we offer you a chance to try it out.
	www.linuxjournal.com /node/7856/print (1845 words)

	GDAL: RFC 4: Geolocation Arrays
		It is proposed that GDAL support an additional mechanism for geolocation of imagery based on large arrays of points associating pixels and lines with geolocation coordinates.
		This transformer is currently partially implemented, but in a manner that potentially uses a great deal of memory (twice the memory needed for the geolocation arrays), and with still dubious correctness, but once approved this will be fixup up to at least be correct, though likely not efficient for the time being.
		Placement of the geolocation data in a special metadata domain means it won't be transferred in default translations.
	www.gdal.org /rfc4_geolocate.html (644 words)

	Geolocation data - Good for Internet or Satan incarnate? (Site not responding. Last check: 2007-10-11)
		I was reading this CNN article about geolocation data and found it very intriguing for both the good and evil it can spawn.
		Many are now using geolocation data (based on IP address) to determine your approximate whereabouts to tailor search results to your location.
		It looks like Google Video is using geolocation to determine what county you live in and then displaying this message: "We're sorry, but this video is not available in your country." if you are in a "disallowed" country.
	blog.tmcnet.com /blog/tom-keating/technology-and-science/geolocation-data-good-for-internet-or-satan-incarnate.asp (1352 words)

	GeoLocation - Atom Wiki
		A GeoLocation can be where the author is when creating an entry or a location that the entry is related to.
		With respect to the GeoLocation the entry is related to, it would be useful to have an indication of extent, in miles or kilometers.
		It is extremely difficult (possibly impossble) to measure accuracy of Internet geolocation at any granularity, but many of the commercial vendors are happy to say that their products have 99% accuracy to country level and 80% accuracy to city level.
	www.intertwingly.net /wiki/pie/GeoLocation (1349 words)

	Geolocation software - Wikipedia, the free encyclopedia
		It has been suggested that legislation should mandate the use of geolocation software, for example for companies distributing pornography considered obscene in some jurisdictions or to enforce international trade agreements.
		Geolocation is not only used on the Internet.
		Geolocation technology has been under development only since 1999, and the first patents were granted in 2004.
	en.wikipedia.org /wiki/Geolocation_software (865 words)

	VSAM IFD Site Modeling, Calibration and Geolocation
		Geolocation by intersecting viewing rays with the terrain.
		We have evaluated geolocation accuracy for two cameras (PRB and Wean) on the CMU campus using a Leica laser-tracking theodolite to generate ground truth.
		Standard deviations of geolocation estimates from each camera are roughly on the order of.6 meters along the axis of maximum spread, and roughly.25 meters at minimum.
	www.cs.cmu.edu /~vsam/Web2000/ifdsitemodels.html (1378 words)

	GeoLocation — plone.org (Site not responding. Last check: 2007-10-11)
		GeoLocation is a component that provides a Location content type, as well as access to longitude-latitude and possibly IP location information and other related/associated services.
		The first goal of the project is to stabilize & complete the existing features, especially those that are required by the EventRegistration component.
		There is a google group (geolocation) for discussions and an irc channel (#geolocation@irc.freenode.net) as well.
	plone.org /products/geolocation (328 words)

	Geolocation filtering: www.georgewbush.com blocked during run-up to election
		The primary difference between geolocation filtering and other forms of internet content filtering is that geolocation filtering is done by the target website, instead of an external third party (such as the user's Internet Service Provider, or along the national backbone between the user and the target website).
		Wired reports that geolocation technology companies claim an accuracy rate of up to 99% when filtering by country and higher than 80% when filtering at the city level.
		Geolocation technology is thus not always accurate, leading to situations in which there is both over and under blocking.
	www.opennetinitiative.net /bulletins/007 (770 words)

	Finding Lost Reservoirs: Using AML to Automate Reservoir Geolocation
		The hypothesis behind this method is that, for the purpose of geospatial data gathering when geolocation by hand is impractical or impossible, collecting data from a "similar" watershed within close proximity of the dam provides in most cases a reasonable description of the watershed above the dam.
		The geolocation program derived the red boundary while the fl boundary was traced on screen over a scanned topographic map in ArcView.
		While in extreme cases this may lead to a slight increase in the mean slope of the affected watershed the effect was generally assumed to be insignificant.
	gis.esri.com /library/userconf/proc02/pap0859/p0859.htm (5362 words)

	Geolocation Redirect for SEO - McAnerin Networks Inc.
		Geolocation is the process of associating a geographic area (usually a country) to a website or website page.
		Currently, the best way to make sure that a website is geolocated for a specific area is to make sure it has a ccTLD (Country Code Top Level Domain) for that location.
		Geolocation is one of the few instances where I recommend a 302 or park instead of a 301.
	www.mcanerin.com /EN/articles/301-redirect-geolocation.asp (2193 words)

	DNSstuff: Geolocation FAQ (Site not responding. Last check: 2007-10-11)
		Geolocation: Determining the location of an IP address
		Geolocation is the pairing of IPs with geographical information to determine the IP location.
		Other companies selling geolocation databases include www.maxmind.com and www.geobytes.com.
	www.dnsstuff.com /info/geolocation.htm (592 words)

	Web Globalization News: Where Business Meets World: The MLB Uses Geolocation (Site not responding. Last check: 2007-10-11)
		In a nutshell, geolocation analyzes the user's IP address (the number associated with your computer) to guesstimate where the user is accessing the Internet.
		Geolocation is also used by companies to direct users to local content seamlessly, particularly companies with global Web sites.
		Assuming geolocation doesn't work and sends a US traveler in Japan to your Japanese-language Web site, you could be causing more than a few headaches.
	www.bytelevel.com /blog/archives/000542.html (387 words)

	Mosaic geolocation accuracy
		This report describes an initial assessment of the absolute geolocation accuracy of the NASDA JERS-1 Amazon mosaic imaged during low-water season, September-December 1995.
		4) indicates that users can improve the geolocation accuracy of the mosaic by systematic corrections such as rotation, if accuracies given in Table 5 are insufficient for their applications.
		For the five mosaic tiles that had five or more control points, the mosaic adjustment described above was repeated on a tile-by-tile basis to examine within-tile error: each tile was optimally shifted, and the resulting errors relative to maps calculated.
	southport.jpl.nasa.gov /GRFM/cdrom/2a/DOCS/HTML/GEOLOC/INDEX.HTM (1047 words)

	Image Pixel Geolocation (Site not responding. Last check: 2007-10-11)
		To define the geolocation grid (to determine the latitude and longitude of a general grid point), we first defined the latitude and longitudes of a series of points on the ground track.
		Both the calculation of the image co-ordinates of a scan pixel and the image pixel geolocation (next section) make use of a pre-calculated table of the positions of a series of points along the ground track, spaced by 1 image granule (32 image rows, corresponding to approximately 32 km).
		Tables of the latitude, longitude, and y co-ordinate of a series of sub-satellite points; these points are equally spaced in time, at an interval corresponding to 1 product granule (32 scan lines), and extend for sufficient time to cover the whole of the data to be processed.
	earth.esa.int /envisat/dataproducts/aatsr/CNTR2-6-1-1-5-2.htm (3692 words)

	Cybertelecom :: Notes :: Geolocation
		Geolocation tech slices, dices the Web, Mercury News (Jul. 9, 2004) (" ``This service isn't meant (for) people are who trying to be evasive,'' said Andy Champagne, Akamai's director of network analytics.
		Geolocation tech slices, dices the Web, Mercury News (Jul. 9, 2004) (" The major geolocation companies claim accuracy of 80 percent or more for city-level data and 99 percent for country targeting, though the figures are misleading because they generally exclude the addresses known to cause trouble.
		Geolocation data - Good for Internet or Satan incarnate?, Tom Keatings VoIP Blog July 13, 2004 ("Google and other search engines are getting more creative with the way their search engines work.
	www.cybertelecom.org /notes/geolocation.htm (8582 words)

	SDP v2 Geolocation Summary
		Accurate knowledge of the Shuttle's position is necessary to form the reference frame for geolocation of the Shuttle Laser Altimeter (SLA) observations.
		This data is used for properly orienting both the antenna-cg offsets for orbit determination measurement modeling, and the SLA line-of-sight for altimeter observation geolocation.
		Also, the SLA geolocated data will undergo an enhanced assessment with the ocean surface including: (1) neglected corrections, (2) cross-over analysis (self, and T/P), (3) T/P altimeter observed heights direct comparison.
	denali.gsfc.nasa.gov /research/laser/sla/srowton/summary.html (1022 words)

	They Know — Roughly — Where You Live - Internet geolocation
		Geolocation provider InfoSplit is working with two non-U.S. gambling sites to make sure their users are someplace where it's legal to wager online.
		The problem is that there's no authoritative record that matches single IP addresses with real-world addresses, so the geolocation providers have had to compile their own databases.
		Most geolocation services are only able to discern AOL subscribers' country of origin, but Digital Envoy, an Atlanta startup that has received $10.5 million in financing from AOL Time Warner and other investors, is independently developing a way to zero in on the location of AOL users.
	www.eweek.com /article2/0,1759,1252387,00.asp (1099 words)

	Wired News: Geolocation: Don't Fence Web In
		Wired News: Geolocation: Don't Fence Web In Note: You are reading this message either because you can not see our css files (served from Lygo, a lycos image service, for performance reasons), or because you do not have a standards-compliant browser.
		As so-called geolocation technology improves, websites are increasingly blocking groups of visitors and carving the Web into smaller chunks -- in some cases, down to a ZIP code or employer.
		Google, which already had redirected foreign visitors to country-specific home pages, expanded geolocation in April to let merchants target ads by city or distance from a given address.
	www.wired.com /news/infostructure/0,1377,64178,00.html?tw=wn_3techhead (765 words)

	Nitke vs. Ashcroft - Expert Report of Seth Finkelstein
		Perhaps the most candid assessment of the weaknesses of geolocation accuracy comes directly from vendor's discussion of their database limitations.
		A similar point was made at length for taxation, in a report issued by the Information Technology Association Of America (http://www.itaa.org/) regarding "Ecommerce Taxation And The Limitations of Geolocation Tools" (available at http://www.itaa.org/taxfinance/docs/geolocationpaper.pdf, included as an exhibit).
		Geolocation technologies do provide valuable non-tax commercial functionalities (i.e., marketing data, etc.) where a high degree of accuracy regarding a user's jurisdiction is not required at a transaction level.
	sethf.com /nitke/ashcroft.php (2426 words)

	EOS_SW_DEFDIMMAP
		Typically the geolocation and data dimensions are of different size (resolution).
		This function establishes the relation between the two where the offset gives the index of the data element (0-based) corresponding to the first geolocation element and the increment gives the number of data elements to skip for each geolocation element.
		Similarly, if the geolocation dimension has higher resolution than the data dimension, then the increment is negative.
	www.astro.princeton.edu /~esirko/idl_html_help/EOS-routines103.html (215 words)

	IPligence Geolocation Services, IP address location of visitors
		Today there are more than 1000 million internet users, a number which increases geometrically, as a direct result of the multiplication of the huge offer of services and products online.
		Possible applications for geolocation by IP address exist for banking applications, chat programs, user communities, forums, distributed computing environments, security, urban mapping and network robustness, online stores, etc...
		IPligence affords the possibility to comply with legislation in the location of the visitor as regards copyright, authors rights, product distribution services, publicity and allows restriction of sales to countries with which there may be a commercial restriction from the host country.
	www.ipligence.com (646 words)

	USATODAY.com - Geolocation tech slices, dices World Wide Web (Site not responding. Last check: 2007-10-11)
		As so-called geolocation technology improves, Web sites are increasingly blocking groups of visitors and carving the Web into smaller chunks — in some cases, down to a ZIP code or employer.
		Google Inc., which already had redirected foreign visitors to country-specific home pages, expanded geolocation in April to let merchants target ads by city or distance from a given address.
		The major geolocation companies claim accuracy of 80% or more for city-level data and 99% for country targeting, though the figures are misleading because they generally exclude the addresses known to cause trouble.
	www.usatoday.com /tech/news/2004-07-10-web-geolocation_x.htm (1028 words)

	Space and Signals Technologies: geolocation accuracy enhancements (Site not responding. Last check: 2007-10-11)
		Geolocation of targets using overhead platforms had been called "as much Art as Science" by workstation operators.
		Failure to deal with the inaccuracies found in these variables (or ignoring some of the variables completely) can lead to a reluctant realization that one's geolocation system is flawed or, worse, a false sense of security and a concomitant dependency on target position estimations that are considered to be accurate when they are not.
		SandST was asked to take a major role over an extended period in producing algorithms and software for a defense contractor client that would enhance the geolocation by a more precise determination of the variables.
	members.aol.com /spaceandsignals/case1.html (241 words)

	Technology Review: Geolocation Technology
		The Associated Press had a nice article yesterday (reprinted here on the CNN website) about how web-based geolocation technology can figure out where you are from your IP address--at least, most of the time.Type "dentist" into Google from New York,...
		The Associated Press had a nice article yesterday (reprinted here on the CNN website) about how web-based geolocation technology can figure out where you are from your IP address--at least, most of the time.
		Personally, I'm concerned that the widespread use of geolocation technology will fundamentally change our idea of what the web really means.
	www.technologyreview.com /blog/posts.aspx?id=15458 (210 words)

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