| 摘要 |
<p>The conventional document retrieving apparatus, when receiving retrieval keywords and/or retrieval expressions, can retrieve target documents and output them in an order. However, the narrowing requires creation of appropriate retrieval keywords and/or retrieval expressions, which requires skillful techniques. Then, an inventive document retrieving apparatus is adapted to, when a user specifying, on a two-dimensional map, an area of documents to be read, read and compile document lists included in the specified area. Moreover, the inventive document retrieving apparatus is adapted to, when a user specifying, on a two-dimensional map, an area of documents to be read, combine query vectors of a plurality of documents included in the specified area and extract the documents based on the combined query vector.</p> |
