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There is a need to focus on champions for IPR and we need to Lobby organisations such as the AUA for assistance with policy and procedure development . SearchEngineWatch will give you all the information you need about this ( http://www.searchenginewatch.com/webmasters/features.html ) All ' proper ' search engines will observe a robots.txt file and do what it says , and almost all will observe the robots metadata tag . Cons : Needs high level of Windows NT expertise to set up and run it effectively . It can aid repository content being surfaced through google and the other search engines . For digital preservation and for full text search engines it is necessary to identify unambiguously the object files . With these figures in mind , here are brief case studies of sites using three different search engines , all of whom are more-or-less satisfied with their performance ( the current maintainer of the Oxford search engine is not the person who set it up and finds a certain amount of obscurity in its settings ) . Members of the Department have had their research acknowledged by a series of research awards , visiting professorships and other honours . These controls are observed to a greater or lesser degree by search engines at large .