1. information retrievalComputer terminology
Wikipedia definition
2. Information retrievalInformation retrieval (IR) is the area of study concerned with searching for documents, for information within documents, and for metadata about documents, as well as that of searching structured storage, relational databases, and the World Wide Web. There is overlap in the usage of the terms data retrieval, document retrieval, information retrieval, and text retrieval, but each also has its own body of literature, theory, praxis, and technologies.
Read “Information retrieval” on English Wikipedia
Read “情報検索” on Japanese Wikipedia
Read “Information retrieval” on DBpedia


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