A study was conducted to propose a research-based model for a longitudinal data research system that addressed recommendations from a synthesis of literature related to: (1) needs reported by the U.S. Department of Education, (2) the twelve mandatory elements that define federally approved state longitudinal data systems (SLDS), (3) the…

In a given urban area it is common that different public agencies and offices attempt to gather diverse data with no mutual coordination or awareness of each others' activities. This picture of varied and uncoordinated data needs reflects a lack of established information relationships and the need for an urban information system. In this study an…

This exploratory investigation of the process of defining the information needs of computer users and the impact of that process on information retrieval focuses on communication problems. Six sites were visited that used computers to process data or to provide information, including the California Department of Transportation, the California…