CS502ComputingMethodsforDigitalLibrariesCornell.pptVIP

CS 502 Computing Methods for Digital LibrariesCornell University – Computer ScienceHerbert Van de Sompelherbertv@ KWF: populating DLs Populating DLs Populating DLs Populating DLs Convergence of media Evolution of representation of characters Evolution of Representation of text different formats / different purposes Born digital / Become digital Born digital Converting into digital Converting into digital Converting to digital KWF: populating DLs preprint archives (repositories) Readings * herbert van de sompel Lecture 6 Populating Digital Libraries Originator digital object originator makes a digital object Data which consists of Key-Metadata handle client Repository digital object goes into a repository originator makes a digital object born digital / convert to digital digital media formats document model: structure of digital object - later naming digital objects (identifiers) - later digital object goes into a repository technological/organizational issues central/decentral submission central/decentral storage submission direct by author / via organization quality control terms and conditions (copyright, …) The way in which the issues are addressed have fundamental impact on: economics of the DL there is no free lunch success of a DL with the target group arXiv physics: teX, central submission arXiv CS: does not fly originator makes a digital object digital object goes into a repository The way in which the issues are addressed have fundamental impact on: searchability/retrievability of do’s decentral submissionstorage = distributed searching? do identifiers: URL 404 archiving of do’s choice of media formats, do-model, central/decentral organization originator makes a digital object digital object goes into a repository originator makes a digital object Evolution of digital representation of media: Text = Images = Audio = Video processing software/hardware initially high-end, later desktop Evolution of formats to represent the med