Making databases available for querying both within and across organizations is a vision held by many. Realizing this vision, however, is usually hampered by the existence of heterogeneous database systems, heterogeneous query languages and heterogeneous data semantics. What is needed is a uniform method for accessing these databases. This paper presents a standards based approach in which SQL ...

Status: This is the Z39.50 Maintenance Agency Official Text for Z39.50-1995. (The Maintenance Agency for Z39.50 is the Library of Congress.) This text is submitted to NISO for publication; the ANSI/NISO publication may differ in style and there may be minor editorial differences, but otherwise the content should be identical. If there are changes to this standard due to latent defects or approv...

establishing order, integrity, consistency, and accuracy in thesauri as information storage and retrieval systems plays an important role in the organization of information. the deployment of universally accepted standards, therefore, facilitates the accomplishment of this goal. to achieve this goal, the ansi /niso z 39.19 -2005 standard offers certain rules and principles for constructing cont...

OpenURLs are already in use in digital library information services providing links between resources that are appropriate to the context of the end-user. The OpenURL Framework for Context-Sensitive Services, a systematic generalisation of the existing de facto standard OpenURL, is currently an ANSI/NISO ‘draft standard for trial use’. The zetoc current awareness service has implemented OpenURL...

The Paper presents multimedia system for accessible distant education which consists of multimedia browser accessible for visually impaired people and content distribution streaming server integrated with e-learning management system, which allow interactive online access to storage materials in DAISY 3 (ANSI/NISO Z39.86 2005 Specifications for the Digital Talking Book) format. The developed Da...

of the Dissertation The Development of ANSI/NISO Z39.50: A Case Study in Standards Evolution by William Eugene Moen, Ph.D. School of Information Studies Syracuse University, 1998 Charles R. McClure, Advisor This study explored and described factors involved in the development of information technology standards through a case study of ANSI/NISO Z39.50: Information Retrieval (Z39.50) Application...