water resources suitability is one of the most important factors to sustainabilityutilization of natural potential by rangeland grazing suitability. to determine this factor inshort time, low cost and high accuracy are most challenges of experts and ranchers. usingsuitable technique for this subject can be sustainable utilization comprising from rangelandecosystems according to its degradation ...

Community memory can provide the crucial bridge between large-scale digital libraries and the day-to-day activities of a community's members. Just as a digital library is based on a general structure and conventional means of access to diverse collections of materials, a community memory culls and shapes the structure of this collection to meet more particular needs; it provides a unique perspe...

Provenance description is necessary for long-term preservation of digital resources. Open Archival Information System (OAIS) and Preservation Metadata: Implementation Strategies (PREMIS), which are well-known standards designed for digital preservation, define descriptive elements for digital preservation. Metadata has to be preserved as well as primary resource in order to keep the primary res...

abstract introduction: introduction: traditionally, the central library of any university is the main source of scientific data retrieval for respective faculty members. exploration of rate and pattern of such usage makes it possible to promote the quantity and quality of library services and increasing the efficacy of faculty members' activities. objective: to determine the rate of usage ...

The Commission on Preservation and Access, a program of the Council on Library and Information Resources, supports the efforts of libraries and archives to save endangered portions of their paper-based collections and to meet the new preservation challenges of the digital environment. Working with institutions around the world, CLIR disseminates knowledge of best preservation practices and prom...

This paper investigates how information resources are shared electronically between libraries at the national level in China. It examines the digital library project related issues for both information policy and information-technology. Issues pertaining to information policy include cooperation and collaboration between information service providers, collection development, intellectual proper...

In this paper, we present an overview of our current research activity, which provides enabling technology to promote loosely coupled information-seeking activities. The lightweight mechanisms constructed facilitate situated awareness of the presence of other users at digital information resources. The mechanisms seek to augment existing infrastructures and facilities to allow users to co-ordin...