Effective extraction of information on time-varying user interest
AssigneeFujitsu Limited
InventorsMatthieu Parizy, Tatsuya Yamamoto
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Abstract
An apparatus sets, for a user, a time-width indicating a period of time which precedes a current time and for which a usage history of the user is to be acquired, and extracts an interesting matter of the user from the usage history acquired within the set time-width. The apparatus provides help information obtained based on the extracted interesting matter to the user to acquire a result of an operation that is performed by the user in response to provision of the help information, where the time-width for the user is set based on the acquired result of the operation by the user.
Claims12
An information extraction apparatus comprising:
- a memory;
- and
- a processor coupled to the memory and the processor is configured to:
- store a plurality of operations to be performed for a plurality of interesting matters;
- set, for a first user among users, a first time-width as a time-width indicating a period of time which precedes a current time and for which a usage history of each of the users is to be acquired;
- set a credibility for each of the plurality of operations;
- extract a first interesting matter of the first user from the usage history acquired within the set first time-width;
- provide help information obtained based on the extracted first interesting matter to the first user to acquire a result of an operation that is performed by the first user in response to provision of the help information;
- and
- calculate an interest group probability by dividing a sum of products of multiplying a total number of the plurality of operations with the credibility for each of the plurality of operations by a number of items in the usage history, wherein
- the processor sets the first time-width for the first user, based on the acquired result of the operation by the first user.
A non-transitory, computer-readable recording medium having stored thein a program for causing a computer to execute a process comprising:
- storing a plurality of operations to be performed for a plurality of interesting matters;
- setting, for a first user among users, a first time-width as a time-width indicating a period of time which precedes a current time and for which a usage history of each of the users is to be acquired;
- setting a credibility for each of the plurality of operations;
- extracting a first interesting matter of the first user from the usage history acquired within the set first time-width;
- providing help information obtained based on the extracted first interesting matter to the first user to acquire a result of an operation that is performed by the first user in response to provision of the help information, and
- calculating an interest group probability by dividing a sum of products of multiplying a total number of the plurality of operations with the credibility for each of the plurality of operations by a number of items in the usage history, wherein
- the first time-width for the first user is set based on the acquired result of the operation by the first user.
A method comprising:
- storing a plurality of operations to be performed for a plurality of interesting matters;
- setting, for a first user among users, a first time-width as a time-width indicating a period of time which precedes a current time and for which a usage history of each of the users is to be acquired;
- setting a credibility for each of the plurality of operations;
- extracting a first interesting matter of the first user from the usage history acquired within the set first time-width;
- providing help information obtained based on the extracted first interesting matter to the first user to acquire a result of an operation that is performed by the first user in response to provision of the help information, and
- calculating an interest group probability by dividing a sum of products of multiplying a total number of the plurality of operations with the credibility for each of the plurality of operations by a number of items in the usage history, wherein
- the first time-width for the first user is set based on the acquired result of the operation by the first user.
Dependencies are inferred from the claim text.