出版社：Consejo Superior de Investigaciones Científicas
摘要：This paper analyzes the concept and characteristics of web subject gateways. Seven subject gateways are examined, comparing their information processing for information resources, quality and user interface in order to establish their main characteristics, and proposes development guidelines for performances and services. The work concludes with the need of developing standards, collaboration and user interfaces for the next generation of subject gateways.
关键词：subject gateways;digital information resources;classification;Internet;topics management;directorios temáticos;recursos de información digital;clasificación;Internet;gestión de tópicos
