TOFIR: A tool of facilitating information retrieval -- introduce a visual retrieval model The paper introduces a new method for the visualization of information retrieval. Angle attributes of a document are used to construct the angle-angle-based visual space. The retrieved documents are perceived, several traditional information retrieval evaluation models are visualized and interpreted, and new nontraditional retrieval control means based on the model are explored in the two-dimensional angle display space. The impacts of different metrics on the visualization of information retrieval are discussed. Ambiguity, future research directions and other relevant issues are also addressed

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