Organic search engine
Encyclopedia
An organic search engine is a manually operated search service
Search engine
A search engine is an information retrieval system designed to help find information stored on a computer system. The search results are usually presented in a list and are commonly called hits. Search engines help to minimize the time required to find information and the amount of information...

 which uses a combination of computer algorithm
Algorithm
In mathematics and computer science, an algorithm is an effective method expressed as a finite list of well-defined instructions for calculating a function. Algorithms are used for calculation, data processing, and automated reasoning...

s and human researchers to look up a search query
Web search query
A web search query is a query that a user enters into web search engine to satisfy his or her information needs. Web search queries are distinctive in that they are unstructured and often ambiguous; they vary greatly from standard query languages which are governed by strict syntax rules.- Types...

. A search query submitted to an organic search engine is analysed by a human operator who researches the query then formats the response to the user.

There are some important and popular organic search engine in internet world like Google, Yahoo, Bing, Ask.

Search engine
Search engine
A search engine is an information retrieval system designed to help find information stored on a computer system. The search results are usually presented in a list and are commonly called hits. Search engines help to minimize the time required to find information and the amount of information...

 queries are limited to searching for key words, which may result in many false positive
Type I and type II errors
In statistical test theory the notion of statistical error is an integral part of hypothesis testing. The test requires an unambiguous statement of a null hypothesis, which usually corresponds to a default "state of nature", for example "this person is healthy", "this accused is not guilty" or...

s. Organic search engines avoid this issue, as a human researcher is able to interpret the intent of the query and reject the false positives. The human and software combination ensures the responses from an organic search engine are accurate to the intent of the queries, however due to this combination a delay is introduced in receiving the response.

The delay inherent in the design of organic search engines ultimately limits their application. Organic search engines are thus found where users are seeking a direct answer to a particular query and are prepared to either wait or even pay for the response. Premium organic search engines include the SMS query services
Mobile Search
Mobile search is an evolving branch of information retrieval services that is centered around the convergence of mobile platforms and mobile phones and other mobile devices. Web search engine ability in a mobile form allows users to find mobile content on websites which are available to mobile...

 such as Australia's 199query and United Kingdom's AQA
Any Question Answered
63336 , is a premium-rate SMS mobile question and answer service and micropublishing service based in the United Kingdom, operated by 63336 Ltd . Mobile phone users can text 63336 with any question and get a reply, on a charge per question basis...

which provide answers researched by human operators and charge for the response. Community organic search engines where query results are provided by humans include Sproose
Sproose
Sproose is a consumer search engine launched in August 2007 by founder Bob Pack. Sproose provides web search results from partners including MSN, Yahoo! and Ask.com...

, Yahoo Answers, Answerly, Mahalo
Mahalo.com
Mahalo.com is a web directory and Internet-based knowledge exchange launched in alpha test in May 2007 by Jason Calacanis...

 Answers and the now defunct NowNow from Amazon
Amazon.com
Amazon.com, Inc. is a multinational electronic commerce company headquartered in Seattle, Washington, United States. It is the world's largest online retailer. Amazon has separate websites for the following countries: United States, Canada, United Kingdom, Germany, France, Italy, Spain, Japan, and...

.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK