The effectiveness of information retrieval systems is measured by comparing performance on a common set of queries and documents. Significance tests are often used to evaluate the...
Topic distillation aims at finding key resources which are high-quality pages for certain topics. With analysis in non-content features of key resources, a pre-selection method is ...
It has been observed that precision increases with collection size. One explanation could be that the redundancy of information increases, making it easier to find multiple docum...