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"Share your Knowledge. It is a Way to Achieve Immortality".---Dalai Lama XIV
अपने ज्ञान को साझा करना (शेयर), यह एक तरह से अमरत्व को प्राप्त करने जैसा है- दलाई लामा XIV (Translated By-Asheesh kamal)

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Raster Data

Digital data represented as a cellular grid matrix composed of rows and columns (a raster) representing space as a continuum (example: a digitally scanned image or photograph). Each cell or pixel in the matrix is referenced by an x, y coordinate stored as an identifier to which values can be assigned to indicate the magnitude of attributes in space. A group of cells with the same value represents a map feature, for example, terrain of a given elevation class. Georaster data is georeferenced, either to the globe or to a specified map projection, each pixel of data representing a known patch of territory on the surface of the earth. The same cell in another matrix of similar specifications referenced to the same space can be used to represent data of a different type, permitting the accumulation of layers of data. A digital elevation model (DEM) is a raster data set of elevation values derived from a printed topographic map (click here to see an example). Because a line defined by a group of pixels along its length requires more file space than a line defined by a vector, certain map features are more economically stored as digital line graphs (vector data) than as digital raster graphics.

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Abstracting Service

A commercial indexing service that provides both a citation and a brief summary or abstract of the content of each document indexed (example: Information Science & Technology Abstracts). Numbered consecutively in order of addition, entries are issueserially in print, usually in monthly or quarterly supplements, or in a regularly updated bibliographic database available by subscription. Abstracting services can be comprehensive or selective within a specific academic discipline or sub discipline. Compare with abstracting journal.
Call Number
A unique code printed on a label affixed to the outside of an item in a library collection, usually to the lower spine of a book or videocassette (see these examples), also printed or handwritten on a label inside the item. Assigned by the cataloger, the call number is also displayed in the bibliographic record that represents the item in the library catalog, to identify the specific copy of the work and give its relative location on the shelf.

In most collections, a call number is composed of a classification number followed by additional notation to make the call number unique. This gives a classified arrangement to the library shelves that facilitates browsing. Generally, the class number is followed by an author mark to distinguish the work from others of the same class, followed by a work mark to distinguish the title from other works of the same class by the same author, and sometimes other information such as publication datevolume numbercopy number, and location symbol.
Scholarly Communication

The means by which individuals engaged in academic research and creative endeavor inform their peers, formally or informally, of the work they are engaged in or have accomplished. Following a tradition that began with the Academy in ancient Athens, scholars communicate by writing monographs and journal articles for publication, presenting conference papers that may subsequently be published in proceedings and transactions, submitting reports in fulfillment of grant requirements, creating and maintaining Web sites for the academic community, and corresponding with peers via e-mail and electronic mailing lists. Broadly defined, the process includes not only the creation and dissemination of scholarly works but also evaluation of quality (peer review) and preservation for future use. One of the goals of academic libraries is to facilitate scholarly communication in all its forms.
Text Encoding Initiative (TEI)
Introduced in 1987, TEI is an international interdisciplinary standard intended to assist librariesmuseums, publishers, and scholars in representing literary and linguistic texts in digital form to facilitate research and teaching. The encoding scheme is designed to maximize expressivity and minimize obsolescence. TEI began as a research project organized cooperatively by the Association for Computers and the Humanities, the Association for Computational Linguistics, and the Association for Literary and Linguistic Computing, funded by research grants from the National Endowment for the Humanities, the European Union, the Canadian Social Science Research Council, the Mellon Foundation, and others.
Functional Requirements for Authority Data (FRAD)
Formerly known as Functional Requirements for Authority Records (FRAR), FRAD is an extension of the FRBR model for relating the bibliographic data contained in library authority records to the needs of library patrons and librarians who use the records. Developed by the International Federation of Library Associations and Institutions (IFLA), FRAD is designed to assist persons who work with library records in finding and identifying a specific entity or group of entities, contextualizing the entity, and justifying choice of access point.

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