| 摘要 |
<P>PROBLEM TO BE SOLVED: To appropriately perform filtering of text data. <P>SOLUTION: A filtering device 120 comprises; a table update part 180 extracting subtitle data or program information included in a program stream, dividing it into morphemes, registering the morphemes in a permission word table 200 and updating an appearance frequency; a data acquisition part 182 acquiring arbitrary text data; a data processing part 184 dividing the arbitrary data into morphemes, replacing the morphemes with prescribed symbols if the divided morphemes are not registered in the permission word table or the appearance frequency corresponding to the morphemes are less than a prescribed first threshold although the divided morphemes are registered in the permission word table, and recombining them as text data. <P>COPYRIGHT: (C)2012,JPO&INPIT |
