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Information Retrieval (IR) is a field focused on finding unstructured documents that satisfy user information needs through various methods, including search engines and recommendation systems. It involves understanding queries, relevance, and the efficiency of retrieving relevant documents from large collections. Key challenges in IR include vocabulary mismatch, subjective relevance, and the need for effective evaluation measures such as precision and recall.
- Author
- areejsadeq984
- Language
- EN