@article{cecchini11semantic, author = "Roc\'{\i}o L. Cecchini and Carlos M. Lorenzetti and Ana G. Maguitman and Filippo Menczer", title = "A Semantic Framework for Evaluating Topical Search Methods", journal = "CLEI Electronic Journal", year = "2011", volume = "14", number = "1", issn = "0717-5000", url = "http://www.clei.cl/cleiej/paper.php?id=211", month = "April", timestamp = "2011.05.09", }