Patent ID: 8433666

Claim:
A link information extracting apparatus comprising: a storage unit which stores a first URL classified into a particular type; a take-in unit which takes in a plurality of pieces of electronic information; a classifier unit which classifies each piece of electronic information taken in by said take-in unit into first electronic information which describes the first URL in said storage unit and or into second electronic information which does not describe the first URL; a generator unit which generates a third URL based on a second URL when the first electronic information describes the second URL that is different from the first URL; and an output unit which generates possibility information indicative of a possibility that the third URL is classified into a into said particular type, based on the third URL and based on at least one from among the first electronic information and the second electronic information, and outputs the possibility information and the third URL in association with each other, wherein: when a slash exists in the second URL, said generator unit generates URLs that are used as third URLs, said URLs comprising a URL, which is the same as the second URL, and comprising a URL that is created by deleting a portion which follows the slash from the second URL, said output unit generates the possibility information for each of the third URLs based on the third URL and based on at least one from among the first electronic information and the second electronic information, and outputs the possibility information and the third URL in association with each other, and when the third URLs include a particular URL which has possibility information indicative of a possibility higher than another third URL and which belongs to the other third URL, said output unit deletes the other third URL.