Presents an access method for temporal data called the Snapshot Index that reconstructs a past state of a time-evolving collection of objects. Previous approaches to temporal access methods are reviewed, and migrating data to write-once optical disks are discussed. (Author/LRW)

Describes the use of a telecommunications program called "PC Anywhere" to afford users remote access to compact disc ready-only-memory (CD-ROM) systems. Describes hardware requirements and benefits to libraries and users. (DMM)

Review of developments in databases highlights a new emphasis on accessibility. Topics discussed include the internationalization of databases; databases that deal with finance, drugs, and toxic waste; access to public records, both personal and corporate; media online; reducing large files of data to smaller, more manageable files; and…

This digest describes the traditional, new, and emerging points of access to the ERIC system: (1) traditional print access; (2) online access through commercial vendors; (3) CD-ROM; and (4) ERIC Digests Online. Also described are services offered by the ERIC Clearinghouse on Information Resources (ERIC/IR) that provide access to the system--ERIC…

Examines optical data disk online databases as an alternative to dial access online databases and concludes that optical data disk systems are overpriced, undersized, technologically dull, and often deceptively packaged. Eight responses to the article by selected readers are provided. (CLB)

Predicts that online searching in the 1990s will be characterized by end users discovering faster and easier ways to access information. Predicted trends that are discussed include databases designed for end users, pricing innovations, increased use of CD-ROM products, improved computer graphics, and the expansion of database products into the…

Discusses access to editorial cartoons, including the importance and worth of editorial cartoons; sources, including newspapers, museums, and special cartoon collections; indexing and classification; subject access; indexing by illustrator and subject; technology and access, including digital data; access to special collections; and access to…

Describes and compares three versions of the ERIC database that are available on optical data disks: (1) DIALOG OnDisc ERIC; (2) OCLC Search CD450; and (3) SilverPlatter ERIC. The database contents, software and search commands, hardware requirements, notable features, and costs of each version are discussed. (CLB)

Describes online and CD-ROM databases that contain trademark information and presents guidelines for using these sources to help research and create trademarks. Sidebars present Internet trademark resources, searching tips, additional print and online sources for trademark information, U.S. Federal trademark databases, and online access to…

Compares the available databases, retrieval techniques and costs of traditional online searching of remote databases and local online access, i.e., databases available at the point of use via CD-ROMs or site licenses. The options and risks of local online access, and the possible impact on the database industry, are discussed. (CLB)

Describes the Freedom Forum International Library Network that has been established in Central and Eastern Europe since 1992 to provide journalists in formerly Communist countries with current, accurate information through print materials, online databases, and CD-ROMs. Plans for future expansion are also discussed. (LRW)

To increase availability of specialized databases and information services to national institutions, UNESCO (United Nations Educational, Scientific, and Cultural Organization) developed a CD-ROM prototype and mailed it to 267 sites in 80 countries. A follow-up questionnaire determined individual sites' CD-ROM holdings, other media offerings,…

Describes the release of the British Education Index on CD-ROM, summarizing the deliberations leading to the conjunction of the Australian, British, and Canadian education index databases on the International ERIC CD-ROM. Considers the impact of CD-ROM availability on traditional print media and how it may affect the future development of the…

Provides advice for systems librarians facing the question of when to provide CD-ROM access and when to provide online access to databases for their patrons. Discusses price, updates, effective resource utilization, and determining users' needs. (AEF)

The School District Data Book is an electronic library containing social, economic, and administrative data for each of the 15,274 public school districts in the United States. It contains the most comprehensive demographic database ever developed for the nation's children. The School District Data Book is maintained on a set of 44 CD-ROMs. With a…