R. Baeza-Yates, L. Calderón-Benavides, and C. González-Caro. Proceedings of String Processing and Information Retrieval (SPIRE ), volume 4209 of Lecture Notes in Computer Science, page 98--109. Springer, (2006)
R. Baeza-Yates, L. Calderón-Benavides, and C. González-Caro. Proceedings of String Processing and Information Retrieval (SPIRE ), volume 4209 of Lecture Notes in Computer Science, page 98--109. Springer, (2006)