Transcript Unit C PPT
Internet Research Fourth Edition Unit C Internet Research: Unit C Browsing Subject Guides Internet Research – Illustrated, Fourth Edition 2 Objectives Understand subject guides Browse a subject guide Search a subject guide Navigate a subject guide Internet Research – Illustrated, Fourth Edition 3 Objectives Tap trailblazer pages Use specialized search engines Understand evaluative criteria Evaluate Web pages Internet Research – Illustrated, Fourth Edition 4 Understanding Subject Guides Subject Guide Characteristics: Organization Selectivity & smaller size Access methods Annotations Results Display Internet Research – Illustrated, Fourth Edition 5 Understanding Subject Guides Organization ~ hierarchical ~ general to specific Internet Research – Illustrated, Fourth Edition 6 TERMS TO USE Hierarchy ~ a ranked order Drilling down ~ clicking through topics and subtopics to find relevant links Internet Research – Illustrated, Fourth Edition 7 Understanding Subject Guides Selectivity and small size ~ human indexers ~ trailblazer pages Internet Research – Illustrated, Fourth Edition 8 Understanding Subject Guides Access methods ~ local search engine ~ topic lists: alphabetical, geographical, chronological, etc. Internet Research – Illustrated, Fourth Edition 9 Understanding Subject Guides Annotations ~ summary or review of a Web page ~ saves time by pre-evaluating quality Internet Research – Illustrated, Fourth Edition 10 Understanding Subject Guides Display of results ~ include number of results, annotations, other subject headings ~ subject headings are usually clickable and provide another way to find related links Internet Research – Illustrated, Fourth Edition 11 Browsing a subject guide Click through a hierarchical topic list Links are chosen as the best sites by guide’s indexers Excellent starting place when you know less about the topic Internet Research – Illustrated, Fourth Edition 12 CLUES TO USE Distributed subject guides ~ can be uneven in quality/standardization since they are kept on various computers by many contributors. ~ can be very useful since they are usually maintained by subject experts Internet Research – Illustrated, Fourth Edition 13 CLUES TO USE Information in subject guides can be organized in various ways ~ Energy might be under “science” at one guide, under “engineering” at another, and under “technology” at another. Internet Research – Illustrated, Fourth Edition 14 Searching a Subject Guide Local search engines ~ search their own indexes which include annotations, keywords, and subject headings assigned by indexers Internet Research – Illustrated, Fourth Edition 15 CLUES TO USE More search engines are providing subject categories for related links More subject guides are providing local search engines as another way to find relevant links on their sites. Internet Research – Illustrated, Fourth Edition 16 Navigating a Subject Guide Subject guides may provide: ▪ hierarchical lists of topics ▪ local search engines ▪ geographical lists ▪ alphabetical lists ▪ lists organized by Dewey Decimal Internet Research – Illustrated, Fourth Edition 17 TERMS TO USE Dewey Decimal Classification ~ a numeric subject classification system used in many libraries ~ organizes knowledge into 10 main subject areas ~ named after its inventor Melville Dewey Internet Research – Illustrated, Fourth Edition 18 Tapping Trailblazer Pages Trailblazer pages ~ created by scholars, experts, and organizations to organize and provide links to the best Web sites in their field ~ excellent source of reliable Web resources Internet Research – Illustrated, Fourth Edition 19 Using Specialized Search Engines Specialized search engines ~ combine the best features of both search engines and subject guides ▪ they search the Web ▪ limit results according to subject Internet Research – Illustrated, Fourth Edition 20 Understanding Evaluative Criteria Evaluative criteria ~ standards used to determine if a Web site is appropriate for your needs Internet Research – Illustrated, Fourth Edition 21 Evaluative Criteria Organization Authority Objectivity/Accuracy Scope Currency Internet Research – Illustrated, Fourth Edition 22 Evaluative Criteria Organization ~ design and function ~ ease of navigation ~ searchable ~ site map and/or help page ~ working buttons and links ~ variety of ways to access material Internet Research – Illustrated, Fourth Edition 23 Evaluative Criteria Authority ~ author identified ~ author’s credentials identified ~ author contact information ~ author’s publications listed ~ author’s associations listed ~ resources documented Internet Research – Illustrated, Fourth Edition 24 Evaluative Criteria Objectivity and Accuracy ~ purpose of the site ~ presentation of content (as fact or opinion) ~ publisher, sponsor, or host identified ~ Reviews by other Web sites/articles ~ Author Reviews by other Web sites/articles ~ errors Internet Research – Illustrated, Fourth Edition 25 Evaluative Criteria Scope ~ explanation of scope of site ~ intended audience ~ publisher, sponsor, or host identified ~ matches needs Internet Research – Illustrated, Fourth Edition 26 Evaluative Criteria Currency ~ creation or revision date provided ~ matches needs ~ broken links Internet Research – Illustrated, Fourth Edition 27 Evaluating Web Pages Evaluating Web pages ~ every time you search you must choose which Web pages to include in your research ~ use evaluative criteria to evaluate Web pages Internet Research – Illustrated, Fourth Edition 28 Searching Effectively Includes: browsing a subject guide searching a subject guide navigating a subject guide using trailblazer pages using specialized search engines understanding evaluative criteria evaluating Web pages Internet Research – Illustrated, Fourth Edition 29 INTERNET RESEARCH End