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Natural Language Versus Controlled Vocabulary in Information Retrieval: A Case Study in Soil Mechanics. Manikya Rao Muddamalle. From: Journal of the American Society for Information Science (JASIS). 49:10, 881-87 (1998)
The effectiveness of two tools, thesaurus and natural language, in an article record retrieval system has been studied. Since both thesaurus and natural language have shown identical performance in information retrieval, a combination of these two has been suggested for making searches and providing relevant information.

Navigation in Hyperspace: An Evaluation of the Effects of Navigational Tools and Subject Matter Expertise on Browsing and Informational Retrieval in Hypertext. Sharon McDonald and Rosemary J. Stevenson. From: Interacting With Computers. 10:2, 129-42 (1998)
This study examined the effectiveness of a map and a textual contents list on the navigation performance of subjects with and without prior knowledge of the text topic. The results showed that performance in the map condition was superior to that of the contents list condition, which in turn was superior to that of the hypertext only condition (no navigational aid).

NetResearch: Finding Information Online. Daniel J. Barrett. (1997)
This book teaches lasting skills on how to locate what is needed in a constantly changing online environment.

The Non-Designer's Design Book. Robin Williams. (1994)
This book outlines the essentials of page layout, emphasizing the four concrete principles of design -- proximity, alignment, repetition, and contrast -- in an illustrated volume that features before and after examples of page design.

Now, It's The "Vectories" That Are Coming! Danny Sullivan. From: The Search Engine Report. 45 (August 2, 2000)
An article about a new group of services emerging, those that offer to automatically categorize web pages into Yahoo-like directories. It includes a look at some of the "vector" technology players.