1 / 9

Lazy Preservation, Warrick, and the Web Infrastructure

Lazy Preservation, Warrick, and the Web Infrastructure. Frank McCown Old Dominion University Computer Science Department Norfolk, Virginia, USA Internet Archive Tutorial JCDL 2007 Vancouver, BC June 19, 2007. McCown, et al., Brass: A Queueing Manager for Warrick, IWAW 2007.

turi
Download Presentation

Lazy Preservation, Warrick, and the Web Infrastructure

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lazy Preservation, Warrick, and the Web Infrastructure Frank McCown Old Dominion UniversityComputer Science DepartmentNorfolk, Virginia, USAInternet Archive TutorialJCDL 2007 Vancouver, BCJune 19, 2007

  2. McCown, et al., Brass: A Queueing Manager for Warrick, IWAW 2007. • McCown, et al., Factors Affecting Website Reconstruction from the Web Infrastructure, ACM IEEE JCDL 2007. • McCown and Nelson, Evaluation of Crawling Policies for a Web-Repository Crawler, HYPERTEXT 2006. • McCown, et al., Lazy Preservation: Reconstructing Websites by Crawling the Crawlers, ACM WIDM 2006. Available at http://warrick.cs.odu.edu/

  3. What Types of Websites Are Lost? Marshall, McCown, and Nelson, Evaluating Personal Archiving Strategies for Internet-based Information, IS&T Archiving 2007.

  4. Success of website recovery each week *On average, we recovered 61% of a website on any given week.

  5. Overlap with Internet Archive

  6. Web Server Static files(html files, PDFs, images, style sheets, Javascript, etc.) Web Infrastructure Recoverable config Perlscript Dynamicpage Database Not Recoverable

  7. Injecting Server Components into Crawlable Pages Erasure codes HTML pages Recover at least m blocks

More Related