Buzz ItAll search engines operate by building an index of both Web pages and the ontent of those pages. This index is constructed with the help of bots (software robots), sometimes called spiders or crawlers. The index is a search engine’s prime asset, the ever-shifting body of information that the engine matches against your keywords to deliver results. The formula that each search site uses to compile and search the index is a closely guarded secret.
Although Google doesn’t breathe a word about its indexing formulas, it does do something else that’s unprecedented and exciting. Google has released its application programming interface (API) to the public. An API enables software programmers to incorporate one program or body of data into another program. For example, Microsoft releases its Windows APIs to authorized developers who write stand-alone Windows software. Google’s API lets software geniuses write programs that can access Google’s index directly, bypassing the familiar interface at Google’s site.
Google’s expansion through third-party development lends variety to a search
experience that is basically a rather drab chore — no matter how skillfully ccomplished. And, like other Google innovations, the public API will probably serve to drive Google even deeper into the mass consciousness of the Internet community. Google will take over your soul. This, too, is a good thing.
If you’re of a particularly geekish mindset or have some programming skills,
you should know about Google Code, a clearinghouse for the publication of
Google APIs.
Check this link: code.google.com
Hope this article can help you to search surce code.
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