| 1998 | A Schema-Based Approach to Modeling and Querying WWW Data. Sara Comai, Ernesto Damiani, Roberto Posenato, Letizia Tanca |
| 1998 | A Server for Fuzzy SQL Queries. José Galindo, Juan Miguel Medina, Olga Pons, Juan C. Cubero |
| 1998 | An Alternating Well-Founded Semantics for Query Answering in Disjunctive Databases. Dietmar Seipel |
| 1998 | An Overview of Cooperative Answering in Databases. Jack Minker |
| 1998 | Answering Queries in Context. Stéphane Bressan, Cheng Hian Goh |
| 1998 | Answers About Validity and Completeness of Data: Formal Definitions, Usefulness and Computation Technique. Robert Demolombe |
| 1998 | Application of Fuzzy Rule Induction to Data Mining. Christophe Marsala |
| 1998 | Applying Genetic Algorithms to the Feature Selection Problem in Information Retrieval. María J. Martín-Bautista, María Amparo Vila Miranda |
| 1998 | Automatic Generation of Trigger Rules for Integrity Enforcement in Relational Databases with View Definition. Laura Mota-Herranz, Matilde Celma |
| 1998 | CHRv: A Flexible Query Language. Slim Abdennadher, Heribert Schütz |
| 1998 | Different Ways to Have Something in Common. Marco Colombetti |
| 1998 | Effective Reformulation of Boolean Queries with Concept Lattices. Claudio Carpineto, Giovanni Romano |
| 1998 | Estimating the Quality of Databases. Amihai Motro, Igor Rakov |
| 1998 | Flexible Query Answering Systems, Third International Conference, FQAS'98, Roskilde, Denmark, May 13-15, 1998, Proceedings Troels Andreasen, Henning Christiansen, Henrik Legind Larsen |
| 1998 | Implementing Fuzzy Querying via the Internet/WWW: Java Applets, ActiveX Controls and Cookies. Slawomir Zadrozny, Janusz Kacprzyk |
| 1998 | Knowledge Discovery for Flexible Querying. Henrik Legind Larsen, Troels Andreasen, Henning Christiansen |
| 1998 | Low Retrieval Remote Querying Dialogue with Fuzzy Conceptual, Syntactical and Linguistical Unification. P. Krisko, Peter Marcincák, Peter Mihók, J. Sabol, Peter Vojtás |
| 1998 | On Diverse Answers Issued from Flexible Queries. Patrick Bosc |
| 1998 | Optimization of Logic Queries with MIN and MAX Predicates. Sergio Greco, Carlo Zaniolo, Sumit Ganguly |
| 1998 | Partial Answers for Unavailable Data Sources. Philippe Bonnet, Anthony Tomasic |
| 1998 | Progress Report on the Disjunctive Deductive Database System Thomas Eiter, Nicola Leone, Cristinel Mateis, Gerald Pfeifer, Francesco Scarcello |
| 1998 | Query Answering by Means of Diagram Transformation. Jaume Agustí-Cullell, Jordi Puigsegur, W. Marco Schorlemmer |
| 1998 | Query Answering in Nondeterministic, Nonmonotonic Logic Databases. Fosca Giannotti, Giuseppe Manco, Mirco Nanni, Dino Pedreschi |
| 1998 | Query Subsumption. Mohammad Al-Qasem, S. Misbah Deen |
| 1998 | Querying Clocked Databases. Mehmet A. Orgun, Chuchang Liu |
| 1998 | Querying Multimedia Documents By Spatiotemporal Structure. Vasilis Delis, Dimitris Papadias |
| 1998 | Querying Objects with Complex Static Structure. Iztok Savnik, Zahir Tari |
| 1998 | Querying for Facts and Content in Hypermedia Documents. Thomas Rölleke, Norbert Fuhr |
| 1998 | Question Answering with Textual CBR. Mario Lenz, André Hübner, Mirjam Kunze |
| 1998 | Searching for General Documents. Kai Korpimies, Esko Ukkonen |
| 1998 | Semantic Query Optimization through Abduction and Constraint Handling. Gerhard Wetzel, Francesca Toni |
| 1998 | Towards a Cooperative Question-Answering Model. Galeno J. de Sena, António L. Furtado |
| 1998 | Using Stem Rules to Refine Document Retrieval Queries. Ye Liu, Hanxiong Chen, Jeffrey Xu Yu, Nobuo Ohbo |