Context-based and user-profile driven information retrieval
First Claim
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1. A method of enabling a user to query an electronic document base system, the method comprising the steps of:
- forming a user profile of the user containing a dynamic list of concept objects extracted by the system from an access history of the user;
entering at least one query object by the user into the system for a current query; and
performing the following steps by the system;
determining a topical context for the current query from the at least one query object and the user profile and generating at least one context object for the current query representing the determined topical context;
identifying at least one document in the document base under control of the at least one query object and the at least one generated context object; and
updating the access history of the user based on the current query.
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Abstract
A user is enabled to navigate through an electronic data base in a personalized manner. A context is created based on a profile of the user, the profile being at least partly formed in advance. Candidate data is selected from the data base under control of the context and the user is enabled to interact with the candidates. The profile is based on topical information supplied by the user in advance and a history of previous accesses from the user to the data base.
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Citations
5 Claims
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1. A method of enabling a user to query an electronic document base system, the method comprising the steps of:
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forming a user profile of the user containing a dynamic list of concept objects extracted by the system from an access history of the user;
entering at least one query object by the user into the system for a current query; and
performing the following steps by the system;
determining a topical context for the current query from the at least one query object and the user profile and generating at least one context object for the current query representing the determined topical context;
identifying at least one document in the document base under control of the at least one query object and the at least one generated context object; and
updating the access history of the user based on the current query. - View Dependent Claims (2, 3, 4, 5)
generating a further concept object based on the current query;
verifying if the further concept object is absent from the user profile;
storing the further concept object in the user profile if the further concept object was absent; and
skipping the storing step if the further concept object was present in the user profile.
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4. The method of claim 1, comprising enabling the user to specify a part of the user profile representing a profile of the user'"'"'s interests.
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5. The method of claim 4, wherein the user is enabled to specify unwanted topics in the user profile and documents identified by the specified unwanted topics are excluded from being made available to the user.
Specification