Information Retrieval Methods in Libraries and Information Centers

information organization in iranian libraries and information centers: trends

information organization (i.e., cataloging, classification, abstracting and indexing) is a crucial service in libraries and information centers. modern and standard practices in this regard started around 1960s in iran. this paper outlines the development of modern practices in information organization in iran. it illustrates how iranian libraries and information centers implement standard prac...

Information Retrieval and Digital Libraries

Chapter Overview The field of information retrieval (IR) is generally concerned with the indexing and retrieval of knowledge-based information. Although the name implies the retrieval of any type of information, the field has traditionally focused on retrieval of text-based documents, reflecting the type of information that was initially available by this early application of computer use. Howe...

The Role of Digital Libraries and Information Centers in E-Learning

RAMESHJAIN Visual Information Retrieval in Digital Libraries

ions in spatio-temporal space are not yet understood well enough to automatically extract them from video sequences. Though some techniques have been developed to represent relative time ordering of two events, representations for abstraction of events need to be developed to allow users to articulate questions related to temporal events. 4. Integrated Queries. Users are interested in getting i...

Co-operative Information Retrieval in Digital Libraries

In recent years, the great expansion of distributed resources through for example the Internet has set-up a framework for the realisation of an age-old vision: gaining firsthand immediate access to vast amounts of information. The concept of a digital library is a step towards the realisation of this vision, and can be regarded (from a computer science perspective) simply as a distributed infor...