Guruh talabasi Nurshodbek Shokirov


Mouse Specifications USB track ball or Optical mouse. Display (Monitor) Specifications


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Mouse Specifications


USB track ball or Optical mouse.

Display (Monitor) Specifications


Screen Resolution

1024 x 768

Colors

256,000

Screen Size

15 inches

Dot Pitch

.27

Refresh Rate

>50hz

5 HOME TASK. Find out more information about Metasearch engines.


Metasearch engine


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Architecture of a metasearch engine
metasearch engine (or search aggregator) is an online information retrieval tool that uses the data of a web search engine to produce its own results.[1][2] Metasearch engines take input from a user and immediately query search engines[3] for results. Sufficient data is gathered, ranked, and presented to the users.
Problems such as spamming reduces the accuracy and precision of results.[4] The process of fusion aims to improve the engineering of a metasearch engine.[5]
Examples of metasearch engines include Skyscanner and Kayak.com, which aggregate search results of online travel agencies and provider websites and Excite, which aggregates results from internet search engines.

Contents


  • 1History

  • 2Advantages

  • 3Disadvantages

  • 4Operation

    • 4.1Architecture of ranking

    • 4.2Fusion

  • 5Spamdexing

    • 5.1Content spam

    • 5.2Link spam

    • 5.3Cloaking

  • 6See also

  • 7References

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