When we enter a query into a search engine, the engine examples its index and provides a listing of best-matching Web pages.
举一反三
- A type of search engine that submits requests to other search engines, organizes their responses, eliminates duplicate responses, orfers hits, and then provides an edited list. A: directory search B: metasearch engine C: ISP D: specialized search engine
- In a search engine, thresholding for query retrieves the top k documents according to their weights.
- After we get into the search engine, input the ____________（关键词）to be searched, automatic search will begin. A: search engine B: renewed C: key words D: powerful
- We can know the specific contents and pages in Index part. Now we do matching exercise.
- In a search engine, thresholding for query retrieves the top k documents according to their weights. A: 正确 B: 错误