Evaluating the stability of the search tools Hotbot and Snap: a case study

Judit Bar-Ilan

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


Discusses the results of a case study in which 20 random queries were presented for ten consecutive days to Hotbot and Snap, two search tools that draw their results from the database of Inktomi. The results show huge daily fluctuations in the number of hits retrieved by Hotbot, and high stability in the hits displayed by Snap. These findings are to alert users of Hotbot of its instability as of October 1999, and they raise questions about the reliability of previous studies estimating the size of Hotbot based on its overlap with other search engines.

Original languageEnglish
Pages (from-to)439-450
Number of pages12
JournalOnline Information Review
Issue number6
StatePublished - 1 Dec 2000
Externally publishedYes


  • Information retrieval
  • Interfaces
  • Internet
  • Reliability
  • User studies


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