2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/113584The paper deals with problem-oriented visual information system (IS) engineering for enterprise Internet-based applications, which is a vital part of the whole development process. The suggested approach is based on semantic network theory and a novel ConceptModeller CASE tool.4 pages, 2 figuresSoftware EngineeringDistributed, Parallel, and Cluster ComputingEnterprise Portal Development Tools: Problem-Oriented Approachtext