Reviews Web-search tools available to librarians. Discusses the Clever project, (part of the Computer Science Principles and Methodologies Department at the IBM Almaden Research Center, Silicon Valley, California), an algorithm that finds authoritative sources on the Web; Google technology, based on links between Web pages; Ask Jeeves, a…

The Open Archives Initiative (OAI) Protocol for Metadata Harvesting (PMH) is designed to facilitate discovery of the "hidden web" of scholarly information, such as that contained in databases, finding aids, and XML documents. OAI-PMH supports standardized exchange of metadata describing items in disparate collections, of such as those…

This article provides an introduction to the Internet and the World Wide Web for individuals interested in using it to access resources concerning disabilities. It covers such aspects as getting connected, electronic mail, electronic discussion groups (mailing lists and usenet newsgroups), and information retrieval. An extensive list of resources…

Lists and describes the 10 best sources for answering statistical questions that are available for free or at a low cost on the World Wide Web. Statistics search tips, government publishers, almanacs, and newspapers are discussed. (LRW)

A survey was conducted to test the coverage of search engines and to decide whether their partial coverage is an obstacle to using them to calculate Web impact factors. Results indicate that search engine coverage, even of large national domains, is extremely uneven and would be likely to cause misleading calculations. (Author/AEF)

Currently, the World Wide Web contains an estimated 7.4 million sites (OCLC, 2001). Yet even the most experienced searcher, using the most robust search engines, can access only about 16% of these pages (Dahn, 2001). The other 84% of the publicly available information on the Web is referred to as the "hidden,""invisible," or…

In World Wide Web indexing: (1) the creation process is automated; (2) the indexes are merely descriptive, not analytical of document content; (3) results may be sorted differently depending on the search engine; and (4) indexes link directly to the resources. This article compares the indexing methods and querying options of the search engines…

Presents the results of an investigation of the use of links on Web pages; a content analysis was performed on 75 Web pages and their links. Results will provide a conceptual framework in which Web page design can be considered, including issues of authoring, retrieval, and built-in and on-the-fly guidance for reading and browsing. (Author/AEF)

Compares several "top-down" algorithms for identifying mirrored hosts on the Web. The algorithms operate on the basis of URL strings and linkage data: the type of information about Web pages easily available from Web proxies and crawlers. Results reveal that the best approach is a combination of five algorithms: on test data this…

The Internet has the potential to be the ultimate information resource, but it needs to be organized in order to be useful. This paper discusses how the subject guide, "Yahoo!" is different from most web search engines, and how best to search for information on Yahoo! The strength in Yahoo! lies in the subject hierarchy. Advantages to…

On2broker provides brokering services to improve access to heterogeneous, distributed, and semistructured information sources as they are presented in the World Wide Web. It relies on the use of ontologies to make explicit the semantics of Web pages. This paper discusses the general architecture and main components (i.e., query engine, information…

Highlights Web sites and print recommendations that make excellent resources for narrowing down the scope of online searches and making online time more efficient. Discusses Web directories, search engines, meta search tools, and books and journals on Internet searching. (AEF)

This book takes a detailed look at the nature and extent of the Invisible Web, and offers pathfinders for accessing the valuable information it contains. It is designed to fit the needs of both novice and advanced Web searchers. Chapter One traces the development of the Internet and many of the early tools used to locate and share information via…

Whether one is a specialist working in any of the fields of health and medicine or someone who wants nontechnical answers to health- or medical-related questions, this book guides users through the search methods to the materials, people, or other resources they seek. Included in this book are step-by-step instructions in finding health and…

This book presents information specialists--researchers, librarians, and students who work with information--with an accessible approach to finding information on the World Wide Web and the Internet. Each of the chapters contains one or more step-by-step activities to demonstrate fundamental skills and concepts. The book has an accompanying Web…