Text operations - PowerPoint PPT Presentation

Information Retrieval and Web Search

Information Retrieval and Web Search. Introduction. Information Retrieval (IR). The indexing and retrieval of textual documents. Searching for pages on the World Wide Web is the most recent “killer app.” Concerned firstly with retrieving relevant documents to a query.

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WMES3103 : INFORMATION RETRIEVAL

WMES3103 : INFORMATION RETRIEVAL. TEXT OPERATIONS. INTRODUCTION. Not all words in a document = significant to represent the contents/meanings of a document Some word carry more meaning than others Noun words or group of noun words = most representative of a document content

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