META SEARCH ENGINE
Meta Search Engine is a tool that helps users to locate information available via the worldwode web (www). It provide a single interface that enables users to search many different search engines, indexes & database simultaneously. Meta Search Engine provide central location whose the query is typed in once and result can be obtained from multiple search engines. Listed below are some meta search engine that are available on web namely:-
1. Dogpile: www.dogpile.com
2.In Find: http://www.infind.com
3.Mamma: http://www.mamma.com
4. Meta Crawler: http://www.metacrawler.com
5. Meta Search: http://www.metasearch.com
Working of Search Engine:
Working is search engine consists of three major steps namely:-
1. Web Crawling. 2. Indexing
3. Searching
Search Engine work by storing the inforamtion about various web pages which can be retrieve from the HTML & these pages can be retrieved by a web crawler. The conents of each and every page are then analyzed to deterine how it should be indexed. Data about webpages are stored in an index database for further queries. A query can be of single or multiple lines. The aim of an index is to allow information to be found as quickly as possible. When a user enters a query into a search engine, the engien examines its index and provides a listing of best matching web pages according to its criteria. The index is built from the information stored with the data & the method by which the information is indexed. Several Search Engine use boolean operators such as AND, OR, NOT for specifying the search query. These operators are used for literal searches they allow the user to refine & extend the terms of the search. The search engine looks for words. Some search engine supports proximity search this search allows users to define the distance between keywords. Concept based searching is a searching where search envolves using statistical analysis on pages containing the words. Below diagram shows the architecture of search engien (Web Crawler).
meta search engines
a meta search engine is a search engine that searches multiple search engines simultaneously and aggregates the results into a single list. instead of searching individual search engines one by one, users can enter their query into a meta search engine, which will then retrieve and display results from multiple search engines at onc
meta search engines work by sending a user's query to several search engines and then gathering and displaying the results. some meta search engines may display results from dozens or even hundreds of search engines. the advantage of using a meta search engine is that it can save time and provide a more comprehensive set of result
some popular meta search engines include dogpile, metacrawler, and ixquick. these search engines have been designed to provide users with a wider range of search results, often including different sources and types of information. however, the quality and relevance of the results may vary depending on the algorithms used by the individual search engines that the meta search engine aggregates. kur.aggregates.
Example of meta search engine
A meta search engine is a search tool that uses multiple search engines to produce a single list of results. Some examples of meta search engines include:
1. Dogpile: This meta search engine gathers results from Google, Yahoo, Bing, and other search engines.
2. Kayak: This meta search engine is used for travel searches, and it searches sites like Expedia, Priceline, and others to provide you with the best travel deals.
3. Metacrawler: This meta search engine gathers results from Google, Bing, Yahoo, and other search engines.
4. Mamma: This meta search engine gathers results from Google, Yahoo, Bing, and other search engines, as well as directories like DMOZ.
5. Searx: This is a free and open-source meta search engine that can search through multiple sources, including Google, Bing, Yahoo, and DuckDuckGo.
These are just a few examples of meta search engines available on the internet.
IS GOOGLE IS META SEARCH ENGINE
No, Google is not a meta search engine. While Google does provide search results from a variety of sources (including web pages, images, videos, and news articles), it does not rely on other search engines to produce its results. Instead, Google uses its own proprietary algorithms and technology to crawl, index, and rank web pages, and to determine the most relevant results for a given search query. This means that Google is a traditional search engine, rather than a meta search engine.
Uses of meta search engine
Meta search engines have several uses and benefits:
1. Comprehensive Results: Meta search engines provide a broader and more comprehensive range of results as they gather information from multiple search engines, directories, and databases. This means that users can access a wider variety of information and sources in a single search.
2. Time-Saving: Meta search engines save time and effort by eliminating the need to conduct multiple searches on different search engines. Users can simply enter their query once, and the meta search engine will generate results from several sources.
3. Unbiased results: Meta search engines can provide unbiased results as they are not tied to a particular search engine's algorithm or bias. Instead, they provide a broader view of the results, which can be helpful when researching a topic or trying to find alternative viewpoints.
4. Privacy: Some meta search engines, like DuckDuckGo, do not track users or collect personal information. This means that users can search the web with a greater level of privacy.
5. Comparison Shopping: Some meta search engines, like Kayak or PriceGrabber, specialize in comparison shopping. They gather information from multiple retailers and websites, allowing users to compare prices, features, and reviews in one place.
Overall, meta search engines can be a useful tool for anyone looking to access a wider range of information quickly and efficiently.