Generally when we have a query then first of all we Google it.Afterwards Google results and our selection of keywords that are used in search,determine what is going to be the fate of our query.This is not always when you get exact answer of our query by just searching it over multiple search engines.A novice on Internet might not find exact answer of his question, if he doesn't know how to perform use full search on Internet.
For this kind of problem Internet has knowledge base systems.Here these question answer services allows user to ask questions which are either answered by their own experts or by other users.Most of the time user gets personalized answers of his queries.Here is the list & review of those question and answer services.
1.Yahoo answers:Well i thought that most of you had tried it before if not even then you must be aware of this Yahoo service.Yahoo Answers is a place where you can ask and answer questions. And unlike many other similar services and forums, things happen extremely fast here. Most of the questions receive multiple replies within a one day of posting. It is like free consulting service.
Question posting process is quite simple, you only need is to select right category and specify how long it will stay open. Once this period is over best answer is chosen. Each posted question goes through 3 stages; open(still needs an answer), undecided(multiple answers are given and users are asked to vote for the best one) and resolved(best answer has been chosen).
2.Answer bag:
yet another cool, well-trafficked Q&A community. Additionally to standard feature set provides an option to quickly rate (+/-) questions in order to make interesting ones standout. Higher rated questions, receive more attention and tend to get multiple replies in extremely short period of time, sometimes within the first 5-10 minutes after it has been posted.
yet another cool, well-trafficked Q&A community. Additionally to standard feature set provides an option to quickly rate (+/-) questions in order to make interesting ones standout. Higher rated questions, receive more attention and tend to get multiple replies in extremely short period of time, sometimes within the first 5-10 minutes after it has been posted.3.QnA live:
QnA live is based on the user-activity it seems to be less popular than the above two, although as it originates from Live.com, the network still ensures decent amount of daily users. Doesn’t provide that many features but incorporates couple of most needed ones, i.e., RSS support for each question to easily follow-up on replies via feedreader AND an option to tag questions and browse them by tags (by category or popularity).
4.wiki answers:
Wiki Answers, previously known as FAQ Farm, was acquired by Answers Corporation in November 2006 and integrated as the user generated content (UGC) component of Answers. com , an answer engine containing content on over 4 million diverse topics.
Wiki Answers, previously known as FAQ Farm, was acquired by Answers Corporation in November 2006 and integrated as the user generated content (UGC) component of Answers. com , an answer engine containing content on over 4 million diverse topics.Wiki Answers is based on a customized version of MediaWiki called "Wiki FAQs" and is run as an online question and answer (Q&A) community.The site content is created by its users, where visitors share what they know and ask about what they don't. This in turn creates wiki Q&As.
5.Askville:
Askville is a user-driven research site founded by Amazon.com and opened to the public on December 8, 2006.Unlike the defunct Google Answers service, Askville is designed to run much like a computer game. Users gain or lose "experience points" in particular topics as they answer questions in those topics, depending on how good their answer is. Users also receive "quest gold" by asking and answering questions, and by voting on the worth of other people's answers.The user can then use these coins as rewards, either to obtain more coins or to exert voting influence on the answers.
6.Quamut:
Quamut is a collection of how-to guides launched in March 2008 by the bookstore chain Barnes & Noble. The core line of guides are all editorially written but there is also a section of user- contributed wiki guides. Quamut is the Latin for how-to and is pronounced kwómut.
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