Digital reference services: an overview

The current state of digital reference: validation of a general digital reference model through a survey of digital reference services

This paper describes a study conducted to determine the paths digital reference services take through a general process model of asynchronous digital reference. A survey based on the general process model was conducted; each decision point in this model provided the basis for at least one question. Common, uncommon, and wished-for practices are identified, as well as correlations between charac...

Digital Libraries: An Overview

Candy Schwartz is Professor at the Graduate School of Library and Information Science, Simmons College, 300 The Fenway, Boston, Massachusetts 02115-5898 ,[email protected].. I t is an understatement to say that the phrase “digital library” (DL) means different things to different people. As part of a class project, students in a digital library course recently found 64 different formal...

Discovering Web Services: An Overview

Digital Audio Watermarking: An Overview

Digital watermarking is a very recent research area. Digital audio watermarking is a method to embed or hide the Watermark (Information signal) into a digital signal i.e. Image, audio, text or video data. The watermark is difficult to remove from the audio signal. If the signal is copied, the information or watermark is also carried in the copy. A signal may carry several different watermarks a...

Digital Image Watermarking: An Overview

Usage of digital media has witnessed a tremendous growth during the last decades, as a result of their notable benefits in efficient storage, ease of manipulation and transmission. However these features make digital media vulnerable to copyright infringement, tampering and unauthorized distribution. In the last five years the protection of digital information has received significant attention...