Tutto DSpace

Sfoglia per Soggetto "Crawling"

Items 1-2 di 2

    • Optimal Web Page Download Scheduling Policies for Green Web Crawling 

      Hatzi V., Cambazoglu B.B., Koutsopoulos I. (2016)
      A web crawler is responsible for discovering and downloading new pages on the Web as well as refreshing previously downloaded pages. During these operations, the crawler issues a large number of HTTP requests to web servers. ...

    • Real time enhanced random sampling of online social networks 

      Haralabopoulos, G.; Anagnostopoulos, I. (2014)
      Social graphs can be easily extracted from Online Social Networks (OSNs). However, as the size and evolution of this kind of networks increases over time, conventional sampling methods used to evaluate large graph information ...