Vendors and Search Engines

摘要

At first it seemed inevitable that free search engines would compete with fee-based online services. Now they work together. Although still in beta-test mode, Yahoo Subscriptions works with many publishers and online services to index their fee-based content. Factiva, LexisNexis, and Thomson Gale allow Yahoo Subscriptions to deliver searches of some proprietary content. Yahoo searching is free up to the point of full text. A searcher needs a password to see the full text. Users are prompted to expand their search to the open web for instant access to free results. Primary publishers and professional societies make content searchable through Yahoo Subscriptions. IEEE and ACM allow Yahoo to search the indexes to their journals. New England Journal of Medicine, Financial Times, and Consumer Reports index materials for the general public and scholars.