| 1998 | A Linear Time Lower Bound on Updating Algorithms for Suffix Trees. Mauricio Ayala-Rincón, Paulo D. Conejo |
| 1998 | A Model and a Visual Query Language for Structured Text. Ricardo A. Baeza-Yates, Jesús Vegas, Gonzalo Navarro, Pablo de la Fuente |
| 1998 | An Experiment Stemming Non-Traditional Text. Mario A. Nascimento, Adriano C. R. da Cunha |
| 1998 | Direct Pattern Matching on Compressed Text. Edleno Silva de Moura, Gonzalo Navarro, Nivio Ziviani, Ricardo A. Baeza-Yates |
| 1998 | Efficient Search Techniques for the Inference of Minimum Size Finite Automata. Arlindo L. Oliveira, João P. Marques Silva |
| 1998 | Evidence Accumulation with Competition in Information Retrieval. Aurelio López-López, Sung H. Myaeng |
| 1998 | Fast Approximate String Matching in a Dictionary. Ricardo A. Baeza-Yates, Gonzalo Navarro |
| 1998 | Hyperdictionary: A Knowledge Discovery Tool to Help Information Retrieval. Leandro Krug Wives, Stanley Loh |
| 1998 | In-Place Length-Restricted Prefix Coding. Ruy Luiz Milidiú, Artur Alves Pessoa, Eduardo Sany Laber |
| 1998 | Information Overload - An IR Problem? Matthew Montebello |
| 1998 | New Approximation Algorithms for Longest Common Subsequences. Lasse Bergroth, Harri Hakonen, Timo Raita |
| 1998 | Reversal and Transposition Distance of Linear Chromosomes. Maria Emília Telles Walter, Zanoni Dias, João Meidanis |
| 1998 | SST versus EST in Gene Recognition (Invited Paper). Andrey A. Mironov, Pavel A. Pevzner |
| 1998 | Searching the Web: Challenges and Partial Solutions (Invited Paper). Ricardo A. Baeza-Yates |
| 1998 | String Processing and Information Retrieval: A South American Symposium, SPIRE 1998, Santa Cruz de la Sierra Bolivia, September 9-11, 1998 |