A Technique for Measuring the Relative Size and Overlap of Public Web Search Engines.

Krishna Bharat Andrei Z. Broder A Technique for Measuring the Relative Size and Overlap of Public Web Search Engines. 379-388 1998 30 Computer Networks 1-7 db/journals/cn/cn30.html#BharatB98 http://dx.doi.org/10.1016/S0169-7552(98)00127-5