Such identifiers are often the
point of commonality between URIs from different sites. You have seen a number of such
identifiers already:
CHAPTER 2 ?– UNCOVERING THE MASHUP POTENTIAL OF WEB SITES 48
??? ISBN
??? Year, month, day
??? Latitude and longitude
??? URLs themselves; for example, http://validator.w3.org?uri={uri-to-validate},
where uri-to-validate is a URL to validate, such as http://validator.w3.org/
check?uri=http%3A%2F%2Fvalidator.w3.org%2F)
These identifiers contrast with application-specific identifiers (such as NSIDs of Flickr
users and groups). Somewhere between widely used identifiers and those that are confined to
one application only are objects such as tags, which may or may not have meaning beyond
the originating web site. I??™ll return to this issue in Chapter 3.
Google Maps
Now, let??™s turn to studying the functionality of Google Maps, located at http://maps.google.com/.
With the standard Google Maps site, you can do the following:
??? You can search for locations on a map.
??? You can search for businesses on a map.
??? You can get driving directions between two points.
??? You can make your own map now with the My Maps feature.
You can also embed a Google Maps ???widget??? into a web page via JavaScript??”using the
Google Maps API.8 The focus of this chapter is on maps that are hosted directly by Google.
I examine third-party embedded Google maps in Chapters 8 and 13.
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