Information Integration: The MOMIS Project Demonstration

1 Overview The goal of this demonstration is to present the main features of a Mediator component, Global Schema Builder, of an I3 system, called MOMIS (Mediator envirOnment for Multiple Information Sources) 1]. MOMIS 12 has been conceived to provide an integrated access to heterogeneous information stored in traditional databases (e.g., relational, object-oriented) or le systems, as well as in semistructured sources. The demonstration is based on the integration of two simple sources of diierent kind, struc-tured and semi-structured, wich will be described in Section 2. Like other integration projects 2, 3], MOMIS follows a \semantic approach" to information integration based on the conceptual schema, or metadata, of the information sources, and on the following functional elements: CSITE-CNR Viale Risorgimento 2, 40136 Bologna 1 Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment. Proceedings of the 26th VLDB Conference, Cairo, Egypt, 2000. 2 MOMIS is a joint project among the Universitt a di Modena e Reggio Emilia, the Universitt a di Milano, and the Universitt a di Brescia within the national research project INTERDATA, theme n.3 \Integration of Information over the Web", coordinated by V. De Antonellis, Universitt a di Brescia.