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AIRS
2010
Springer
13 years 5 months ago
Effective Time Ratio: A Measure for Web Search Engines with Document Snippets
The dominant method for evaluating search engines is the Cranfield paradigm, but the existing metrics do not consider some modern search engines features, such as document snippets...
Jing He, Baihan Shu, Xiaoming Li, Hongfei Yan
TSD
2010
Springer
13 years 5 months ago
Comparison of Different Lemmatization Approaches through the Means of Information Retrieval Performance
This paper presents a quantitative performance analysis of two different approaches to the lemmatization of the Czech text data. The first one is based on manually prepared diction...
Jakub Kanis, Lucie Skorkovská
CF
2007
ACM
13 years 11 months ago
An analysis of the effects of miss clustering on the cost of a cache miss
In this paper we describe a new technique, called pipeline spectroscopy, and use it to measure the cost of each cache miss. The cost of a miss is displayed (graphed) as a histogra...
Thomas R. Puzak, Allan Hartstein, Philip G. Emma, ...
SOUPS
2005
ACM
14 years 1 months ago
Authentication using graphical passwords: effects of tolerance and image choice
Graphical passwords are an alternative to alphanumeric passwords in which users click on images to authenticate themselves rather than type alphanumeric strings. We have developed...
Susan Wiedenbeck, Jim Waters, Jean-Camille Birget,...
SIGIR
2005
ACM
14 years 1 months ago
Automated evaluation of search engine performance via implicit user feedback
Measuring the information retrieval effectiveness of Web search engines can be expensive if human relevance judgments are required to evaluate search results. Using implicit user ...
Himanshu Sharma, Bernard J. Jansen