HELP! * GREY=local LOCAL HTML version of Foils prepared July 28,1995

Foil 11 Costs & Dangers of Using Web Robots (conŐt)

From HPDC95 Web Search Presentation HPDC95 Pentagon City -- August 1,1995. by Geoffrey C. Fox * See also color IMAGE

Bad implementation of the robot traversing algorithm may lead to the robot running in loops
Updating Overhead
No efficient change control mechanism for URL documents that got changed after caching
Client-side robot disadvantages
  • once distributed, bugs cannot be fixed
  • no knowledge of problem areas can be added
  • no new efficient facilities can be taken advantage of, as not everyone will upgrade to the latest version



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