Describes the development of a system to retrieve images for an international project that is producing a pictorial dictionary of classical mythology, the Lexicon Iconographicum Mythologiae Classicae. Applications to other types of information are discussed, two classification systems for Art History are described, and design principles for…

Describes the development of the GALAXY Integrated Library System by Gaylord Information Systems. Topics addressed include the library automation business; industry trends, both long-term and short-term; a history of Gaylord's automation ventures; Gaylord's vision of the future; and perspectives from two GALAXY users. (LRW)

Compares database characteristics, access, display, editing, new records, hard copy products, hardware, and price of CD-ROM catalog production products from seven vendors: Gaylord Information Systems; General Research Corporation; The Library Corporation; OCLC; Solinet; Utlas; and the Western Library Network. (MES)

Provides background and insight into the totally new telecommunications network recently implemented by OCLC, as well as steps taken to assure that catastrophic events at critical carrier-network locations or disruptive cuts in carrier cable facilities do not result in widespread service outages for OCLC users. (four references) (DB)

Introduces concepts of server security and includes articles and sidebars of firsthand accounts of consequences of not devoting enough time to security measures. Outlines the following factors to consider when evaluating a server's risk potential: confidentiality/reproducibility of the data; complexity of the system; backup system and hardware…

Discussion of downloading from online public access catalogs focuses on downloading to MS-DOS microcomputers from the INNOPAC online catalog system. Tools for capturing and postprocessing downloaded files are described, technical and institutional constraints on downloading are addressed, and an innovative program for overcoming such constraints…

A study was conducted that used transaction logs to identify the characteristics of the most complex or problematic user queries. Enhancements are recommended in the design of online catalogs that use search trees to control system responses and to determine appropriate subject-searching terminology and technique. Contains 21 references and 12…

Focuses on designing a library network to maximize security. Discusses UNIX and file servers; connectivity to campus, corporate networks and the Internet; separation of staff from public servers; controlling traffic; the threat of network sniffers; hubs that eliminate eavesdropping; dividing the network into subnets; Switched Ethernet;…

Describes the layered model of Open Systems Interconnection (OSI); summarizes the three upper and lower layers; and discusses data communications standards associated with specific layers. Architectural concepts are explored, including hierarchy and abstraction, levels of dialogue, internetworking, and end-to-end communication. OSI is compared…

Discusses the history and structure of the online database of the second edition of the Oxford English Dictionary (OED) and the software tools developed at the University of Waterloo to manipulate the unusually complex database. Four sample searches that indicate some types of problems that might be encountered are appended. (DB)

Describes the security issues Bluestem, a Web authentication and access control system under development at the University of Illinois at Urbana-Champaign, is designed to resolve. Provides an overview of how Bluestem works and details how Bluestem is currently being used to control end-user access to bibliographic resources licensed by the…

Explains how the Directory Service (CCITT X.500/ISO 9594) became an international standard in response to the difficulties of keeping data on information network users current and accessible. Uses of X.500 are described, a technical overview is provided, its functions and protocols are assessed, and directory projects and products are discussed.…

Management of heterogeneous networks is complicated by the persistence of proprietary management schemes. The need for integration of network management capabilities is pressing. The International Organization for Standardization is developing standards for managing networks as part of the Open Systems Interconnection (OSI) effort. OSI management…

Reviews some of the projects and organizations concerned with promoting conformance and interoperability testing of Open Systems Interconnection (OSI) products and describes OSI products available from computer manufacturers and vendors. A list of references includes 57 articles that mention specific vendors and 11 general articles about OSI…

The first of two articles describing the University of Michigan's experiences in installing an on-premise telecommunications system covers: (1) the physical, historical, and cultural context; (2) planning for the new system; (3) voice and data strategies of the system; (4) switching equipment and transmission media; and (5) financing and rates.…