Characteristics of Information on the Web Dania Bilal IS 530 Fall 2005 The Web Heterogeneous Dynamic Hypertext hypermedia cognitive overload disorientation The Web Structure of information Information overload Authority Inappropriate materials Filtering issues Web Spaces Search directory space Web browser space Navigation efficiency Variables Navigation effectiveness Variables Web Spaces Web browser Search engine The Web Text centered mostly Efforts to read texts online Advertisements Instant gratification Exploration discovery The Web Plagiarism Evaluation of retrieved information Relevance judgment Social issues Information literacy The Web Mental maturity content vs ads Reading long texts online Sifting through K Z of results Composing adequate search strings Identification of authoritative information Web System based relevance Google popularity ranking Sponsored sites may appear first Lacks structure no thesauri controlled vocabulary etc Lacks authority Databases System based relevance other methods No sponsored sites Well structured thesauri controlled vocabulary metadata standards etc Authoritative Web Information overload Cognitive overload Gratification vs negative affect Engines more general in nature Item availability is questionable dead links error codes Databases Less information overload cognitive overload varies Gratification positive affect Many specialized databases Item availability How Search Engines Work Search Engine Resources http searchenginewatch com webmasters a rticle php 2168031 how search engines work http www searchengineworld com misc re source htm search engine resources http www lib berkeley edu Help search ht ml recommended search engines
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