Robert Losee

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Some web sites require registration in order to use their free services. But is this really free? The goal of this paper is to describe an experiment that was conducted to explore the relation between registering in different websites and the amount of junk emails received. The whole experiment was divided into three periods and the collected data from them(More)
Most document retrieval systems based on probabilistic models of feature distributions assume random selection of documents for retrieval. The assumptions of these models are met when documents are randomly selected from the database or when retrieving all available documents. A more suitable model for retrieval of a single document assumes that the best(More)
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