APPARATUS AND METHOD TO CORRECT INDEX TREE DATA ADDED TO EXISTING INDEX TREE DATA
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United States of America Patent
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Issued Date -
Mar 15, 2018
app pub date -
Aug 22, 2017
filing date -
Sep 12, 2016
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Abstract
An apparatus executes preprocessing for an information processing apparatus that maintains a database according to index data having a tree structure, where the tree structure includes plural pieces of node data and plural pieces of edge data linking the plural pieces of node data. The apparatus stores existing index data of the database, and receives input data to be added to the database. The apparatus compares the existing index data with input index data included in the input data, and extracts, from the input index data, new node data indicating a difference between the existing index data and the input index data. The apparatus creates additional index data including new tree data in which pieces of the new node data are continuously arranged, and transmits the additional index data to the information processing apparatus.
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