1. In the search engine, can user use "," as or option to search the key word(e.g New York City, Buffalo)? 2. In the Vector Space Model, if we required the user queries' counts to calculate the rank, would it be bias on the ranking result?
1. I know some users would use * to query information needs, but would normal users use the $ to query the information? 2. If users use more than one *(e.g sa**), would the result show a related correct answer? 3. Does Information Retrieval have 80/20 rule in stemming or what?
This is an overview of information retrieval. These are several articles to talk about how people and experts think about the information retrieval. - Finding Out About People are always seeking the useful information about our environment. As a human, language is information on a complex system. Language can be changed if necessary because people can express about them and react to them. Finding Out About focuses on meaning and looks for the related information. The process of Finding Out About: 1) Asking the question people on the cognitive state of mind may be aware of asking their questions but sometimes people do not the problem. Also, we may call query as information need. 2) Constructing the answer The main difficult problems are that how to translate human mind into the computer system so that we can receive the result. As we view passage as a document and a set of documents as a corpus. 3) Assessing the answer It is all about the related feedbacks and may give the p...
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