| Internet Bot |
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The most common bots are those that covertly install themselves on people's computers for malicious purposes, and that have been described as remote attack tools. More generally they are Web Software Agent s that interface with web pages. Web Crawler s or ''spiders'' are web robots that Recursively gather web-page information, as does the bot used by Google ("GoogleBot"). They may also be used to interact dynamically with a site in a particular way, as by exploiting or locating Arbitrage opportunities for financial gain. Some bots communicate with other users of Internet-based services, via and AOLYellowPages on AOL Instant Messenger and on Yahoo! Messenger you can try Jabberwacky and RoYa . An additional role of IRC Bots may be to lurk in the background of a conversation channel, commenting on certain phrases uttered by the participants (based on Pattern Matching ). This is sometimes used as a help service for new users, or even for mild censorship (e.g., Profanity ). There has been a great deal of controversy about the use of bots in an automated trading function. EBay has been to court in an attempt to suppress a third-party company from using bots to traverse their site looking for bargains; this approach backfired on eBay and attracted the attentions of further bots. The UK -based Bet Exchange Betfair saw such a large amount of traffic coming from bots they launched a WebService API aimed at bot programmers through which Betfair can actively manage bot interactions. Another more malicious use for bots is the coordination and operation of an automated attack on networked computers, such as a Distributed Denial-of-service attack. Internet bots can also be used to commit Click Fraud and more recently has seen usage around MMORPG games. SEE ALSO EXTERNAL LINKS |
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