Answers to Comprehension Quiz for
Summary of Search Engine Methods, Pages *** through ***
- Boolean, vector space, probabilistic, and meta-search models.
- By performance measures such as precision and recall, in addition to common computer system performance measures such as speed and storage.
- The World Wide Web is the world's largest document collection. It is also linked, whereas traditional document collections are not. The data on the Web are self-organized, meaning that any web page author can create a page and link to any other page(s). As a result, the data are heterogeneous, often redundant and incorrect, with broken links and no editorial review process. The documents on the Web are also dynamic -- that is, they may change often.
- False. A basic Boolean search engine cannot return a ranked list of retrieved documents.
- A search engine user's collection of keywords or phrases to be searched for is called a query.
- Notebook computer and laptop are
synonymous words.
- Polysems of light are
illumination and weightless.