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  1. #1
    Registered User
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    Nov 2023
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    Surrey
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    What are the 3 main components of a search engine?

    What are the 3 main components of a search engine?

  2. #2

  3. #3
    Member
    Join Date
    Nov 2019
    Location
    new york
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    97
    Here are the 3 components of a search engine:
    1. Data Base
    2. Web Crawler
    3. Search Interface

  4. #4
    Registered User techimpero's Avatar
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    Dec 2023
    Location
    India
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    108
    A search engine is a complex system designed to retrieve and display relevant information in response to a user's query. Its functionality involves three main components: crawling, indexing, and ranking.

    1. Crawling: This initial step involves the search engine sending out automated programs called spiders or crawlers to navigate the vast expanse of the internet. These spiders start from known web pages and follow links to discover new pages. The process is continuous, with crawlers revisiting previously indexed pages to check for updates or new content. Crawling is crucial for ensuring that search engines have access to as much information as possible on the web.

    2. Indexing: Once the crawlers have collected data from various web pages, the next step is to organize and store this information in a structured format. The indexed data is stored in massive databases, making it easier for the search engine to retrieve relevant results quickly. Indexing involves analyzing the content of web pages, including text, images, and other media, and creating an index that maps keywords to the pages they appear on. This index serves as a reference point for the search engine when responding to user queries.

    3. Ranking: When a user enters a search query, the search engine retrieves relevant pages from its index and ranks them based on various factors to determine their relevance to the query. The ranking algorithm considers factors such as keyword density, page quality, relevance, authority, and user engagement metrics. Pages that are deemed more relevant to the query are displayed higher in the search results, increasing their visibility to users. Ranking algorithms are continuously updated and refined to provide users with the most accurate and useful results.

    In summary, the three main components of a search engine—crawling, indexing, and ranking—work together seamlessly to ensure that users receive relevant and accurate information in response to their queries. Without any of these components, the search engine would not be able to function effectively, and users would struggle to find the information they seek on the vast expanse of the internet.

  5. #5
    Senior Member
    Join Date
    Jan 2017
    Posts
    411
    In general, a search engine consists of three main components as shown in Figure 1: a crawler, an offline processing system to accumulate data and produce searchable index, and an online engine for realtime query handling.

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