Optimal robot scheduling for Web search engines
نویسندگان
چکیده
منابع مشابه
Optimal Robot Scheduling for Web Search Engines
A robot is deployed by a Web search engine in order to maintain the currency of its data base of Web pages. This paper studies robot scheduling policies that minimize the fractions r i of time pages spend out-of-date, assuming independent Poisson page-change processes, and a general distribution for the page access time X. We show that, if X is decreased in the increasing-convex ordering sense,...
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ژورنال
عنوان ژورنال: Journal of Scheduling
سال: 1998
ISSN: 1094-6136,1099-1425
DOI: 10.1002/(sici)1099-1425(199806)1:1<15::aid-jos3>3.0.co;2-k