Multiple Presents: How Search Engines Re-write the Past

Details Multiple Presents: How Search Engines Re-write the Past Multiple Presents: How Search Engines Re-write the Past

2009-11-18

arxiv.org/abs/0911.3643v1

New Media & Society, 8(6) (2006), 901-924

Computer Science

Information Retrieval

Scientific paper

Internet search engines function in a present which changes continuously. The search engines update their indices regularly, overwriting Web pages with newer ones, adding new pages to the index, and losing older ones. Some search engines can be used to search for information at the internet for specific periods of time. However, these 'date stamps' are not determined by the first occurrence of the pages in the Web, but by the last date at which a page was updated or a new page was added, and the search engine's crawler updated this change in the database. This has major implications for the use of search engines in scholarly research as well as theoretical implications for the conceptions of time and temporality. We examine the interplay between the different updating frequencies by using AltaVista and Google for searches at different moments of time. Both the retrieval of the results and the structure of the retrieved information erodes over time.

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