Portal:Library and information science
The Library and Information Science Portal Library science and information science are two closely related and often intersecting disciplines that deal primarily with the organization and retrieval of information. Library science is an interdisciplinary social science incorporating the humanities, law and applied science and studying topics related to libraries; the collection, organization and dissemination of information resources; and the political economy of information. Library science has also historically included archival science, although a conceptual distinction between libraries and archives has evolved over time. Amongst the varied topics of study that fall within library science: how information resources are organized to serve the needs of select user groups; how people interact with classification systems and technology; how information is acquired, evaluated and applied by people in and outside of libraries as well as cross-culturally; how people are trained and educated for careers in libraries; the ethics that guide library service and organization; the legal status of libraries and information resources, and the applied science of information technology used in documentation and records management. Library science is constantly evolving, incorporating new topics like database management, information architecture and knowledge management.  Information science (also referred to as information studies) is an interdisciplinary science primarily concerned with the collection, classification, manipulation, storage, retrieval and dissemination of information. Information science studies the application and usage of knowledge in organizations, and the interaction between people, organizations and information systems. It is often, though not exclusively, studied as a branch of computer science or informatics and is closely related to the cognitive and social sciences.
 It has been reasonably established that the Library, or parts of the collection, were destroyed by fire on a number of occasions (library fires were common and replacement of handwritten manuscripts was very difficult, expensive and time-consuming). To this day, the details of the destruction (or destructions) remain a lively source of controversy. The Bibliotheca Alexandrina was inaugurated in 2003 near the site of the old Library.
Melvil Dewey (December 10, 1851–December 26, 1931) was the inventor of the Dewey Decimal Classification system for library classification. In 1883 he became librarian of Columbia College, and in the following year founded the Columbia School of Library Economy, the first-ever institution organized for the instruction of librarians. This school, which was very successful, was removed to Albany, New York in 1890, where it was reestablished as the New York State Library School under his direction. From 1888 to 1906, he was director of the New York State Library and from 1888 to 1900 was secretary of the University of the State of New York, completely reorganizing the state library and making it one of the most efficient in America, as well as establishing the system of state traveling libraries and picture collections. In 1890 he helped to found the first state library association - the New York Library Association (NYLA) - and he was its first president, from 1890-1892.
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