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CS345 Data Mining

CS345 Data Mining. Link Analysis 3: Hubs and Authorities Spam Detection. Anand Rajaraman, Jeffrey D. Ullman. Problem formulation (1998). Suppose we are given a collection of documents on some broad topic e.g., stanford, evolution, iraq perhaps obtained through a text search

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CS345 Data Mining

CS345 Data Mining. Web Spam Detection. Economic considerations. Search has become the default gateway to the web Very high premium to appear on the first page of search results e.g., e-commerce sites advertising-driven sites. What is web spam?.

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CS345 Data Mining

CS345 Data Mining