PROCESS OF TIME-SPACE COLLABORATIVE FILTERING OF INFORMATION
First Claim
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1. A process for collaborative time-space filtering of information comprising the steps:
- Step 1;
receiving a request to provide a relevancy-ranked list of items for user X;
Step 2;
using a content-based filter to rank the items in the repository for user X;
Step 3;
using a time-dependant collaborative filter to rank the items in the repository for user X;
Step 4. computing time-dependant weights for combining the rankings from steps 2 and 3; and
Step 5;
computing the overall ranking of the items by using the time-dependant weights to combine the two rankings.
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Abstract
The invention is a process for collaborative filtering of information called Time-Space Filtering (TSIF). The invention is used in the fields of information filtering and publishing and is particularly useful in the field of providing web-based information, e.g. electronic newspapers. TSIF is a process of filtering and ranking the relevance of an article'"'"'s content to specific readers, taking into account the time dimension of information as well as the factors traditionally considered by content-based or collaborative filtering.
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Citations
19 Claims
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1. A process for collaborative time-space filtering of information comprising the steps:
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Step 1;
receiving a request to provide a relevancy-ranked list of items for user X;Step 2;
using a content-based filter to rank the items in the repository for user X;Step 3;
using a time-dependant collaborative filter to rank the items in the repository for user X;Step 4. computing time-dependant weights for combining the rankings from steps 2 and 3; and Step 5;
computing the overall ranking of the items by using the time-dependant weights to combine the two rankings. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification