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Information Architecture on the World Wide Web phần 5

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Trong khi thăm dò ẩn dụ có thể rất hữu ích trong khi động não, bạn nên sử dụng thận trọng khi xem xét một chương trình ẩn dụ theo định hướng tổ chức toàn cầu. Trước tiên, ẩn dụ, nếu họ muốn thành công, phải quen thuộc với người dùng. | Information Architecture for the World Wide Web The labels are now familiar and if used consistently will work effectively. Usability tests run on many major sites have confirmed the contextual value of providing descriptions.9 The Argus Clearinghouse provides a more extensive example of the use of scope notes Figure 5.2 . Figure 5.2. Each category and subcategory is described further by a scope note. 5.3.2 Labels as Indexing Terms Labels are increasingly used as indexing terms for classifying the contents of large sites. They work in two ways enhancing a document s chance of getting retrieved by a searching system and supporting browsing within a site. To support searching keywords are assigned to a document whether within the META tag or in an accompanying database record that describes the document s contents. These labels are usually heard but not seen in other words they aren t necessarily visible to the user but instead work in the background to ensure a search engine appropriately indexes the document. For example we inserted the following code in the main page for International Furniture Rentals http www.rent-ifr.com META name keywords content IFR Furniture Rentals International Furniture Rentals IFR Rentals relocation furniture rental furniture leasing interim housing furnished apartments executive suites residential furniture office furniture These indexing terms are keywords that describe the company s services and locations as well as synonyms and name variants e.g. IFR Rentals that we anticipated might be searched by users. Search engines whether Web-wide e.g. Alta Vista Hotbot or specific to this site would then include these terms in their indexes thereby improving user searching. 9 Jared Spool et al. Web Site Usability A Designer s Guide. Andover MA User Interface Engineering 1997. page 65 Information Architecture for the World Wide Web Indexing labels effectively within a page s TITLE tags can similarly improve a searcher s chances of retrieving .