| Topic based recommender system & methods -> Monitor Keywords |
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Topic based recommender system & methodsTopic based recommender system & methods description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20080077574, Topic based recommender system & methods. Brief Patent Description - Full Patent Description - Patent Application Claims
RELATED APPLICATION DATA [0001]The present application claims the benefit under 35 U.S.C. 119(e) of the priority date of Provisional Application Ser. No. 60/826,677 filed Sep. 22, 2006 which is hereby incorporated by reference herein. FIELD OF THE INVENTION [0002]The present invention relates to electronic recommendation systems and other related systems. BACKGROUND [0003]Recommender systems are well known in the art. In one example, such systems can make recommendations for movie titles to a subscriber. In other instances they can provide suggestions for book purchases, or even television program viewing. Such algorithms are commonplace in a number of Internet commerce environments, including at Amazon, CDNOW, and Netflix to name a few, as well as programming guide systems such as TiVO. [0004]Traditionally recommender systems are used in environments in which a content provider is attempting to provide new and interesting material to subscribers, in the form of additional products and services. In some cases (see eg. U.S. Pat. No. 6,493,703 incorporated by reference herein) recommenders have been employed for the purpose of informing members of an online community of content and/or preferences of other members. Nonetheless the use of recommenders has not been extended fully to such domains and other online areas, including social networks, which could benefit from such systems. Only recently for example have recommenders been proposed for generating user to user recommendations in a music related community. See e.g., US Publication No. 2007/0203790 to Torrens, incorporated by reference herein. Similar systems which recommend content/users are described in U.S. Pat. No. 6,493,703 to Knight et al., also incorporated by reference herein. [0005]Multi-dimensional recommenders have also been recently introduced. For an example of such systems, please see U.S. Patent Publication No. 2004/0103092 to Tuzhilin et al. and an article entitled "Incorporating Contextual Information in Recommender Systems Using a Multidimensional Approach" to Adomavicius et al., both of which are hereby incorporated by reference herein. In such systems, however, the extra dimensionality arises from additional content related to items which are nonetheless still traditional commerce items, such as movies. SUMMARY OF THE INVENTION [0006]An object of the present invention, therefore, is to reduce and/or overcome the aforementioned limitations of the prior art. A recommender system which evaluates multiple data sources is employed to generate more accurate and relevant predictions concerning data items and other users within a community. DESCRIPTION OF THE DRAWINGS [0007]FIG. 1 is an illustration of a multi-dimensional recommender system of the present invention. DETAILED DESCRIPTION [0008]FIG. 1 illustrates an example of a preferred embodiment of a multi-dimensional recommender system 100. A user/item compiler and database 110 includes a schema in which ratings for individual items by individual users are identified in a typical matrix fashion well-known in the art. The primary difference, in this instance, is that the items are not products/services (i.e., books, movies, etc.) as in the prior art, but instead represent more generalized concepts, such as a rating identified by a user for an author, a social network contact, a particular message board or post, a particular blog or website, a particular RSS Feed, etc., as shown by the data received from sources. Explicit Endorsement Data Sources 120 [0009]As an example of an explicit data source 120, in a typical message board application such as operated by Yahoo! (under the moniker Yahoo Message Boards) or the Motley Fool, users are permitted to designate "favorite" authors, and/or to "recommend" posts written by particular individuals. In accordance with the present invention these designations of favorite authors and recommendations for posts are monitored, tabulated, and then translated into ratings for such authors/posts and compiled in a database under control of an item/user compiler module. The ratings will be a function of the environment in which the information is collected of course, so that a recommendation by person A for a post written by person B can be scored as a simple 1 or 0. While current message board systems presently track these kinds of endorsements, it will be understood that the invention can be applied to any aspect of such environments in which subscribers are allowed to endorse, rate, or declare an interest or preference for a certain author, post, subject, etc. [0010]The purpose of using a recommender algorithm (either collaborative filter or content filter as the case may require) would be of course to recommend additional authors, topics, or similar subject matter to members of such message boards based on their professed interests in other authors and topics. For example a first individual with favorite authors A, B, C may not realize that other individuals designating A, B, C as favorite authors also designate D and E as favorite authors, and this information can be passed on to such first individual increase the potential enjoyment of such site. [0011]Similarly in other environments as data source a user's designation of favorite web-logs (blogs), favorite RSS feeds, etc. as evidenced by their inclusion in an RSS aggregator or as designated favorites within a web browser, or by some other mechanism could be similarly tabulated to create a user-item matrix of ratings for such items. This can be used to pass on recommendations for new blogs, RSS feeds, etc. [0012]In some applications an e-commerce site includes social networking features whereby members link to each other explicitly as part of groups. For example in sites operated by Myspace, or Netflix, members can designate other members explicitly with the label friends. As with the other data sources, these user-friend associations can be tabulated into a form suitable for use by a recommendation algorithm. Again, while these sites specifically designate individuals as friends, other sites may allow members to designate some other favorite item, such as an image, a website, a video, etc. [0013]It should be apparent therefore that the item/user compiler database may in fact be comprised of several different dedicated files unique to a particular site or domain of users. Implicit Endorsement Data Sources 125 [0014]In contrast to explicit data sources, the data from implicit data sources 125 includes materials which typically must undergo further processing to determine both the item and the associated rating. That is, in the case of a search result for example, the item may be one of the pages presented in the search result, or one or more concepts derived from the content of such page. The rating may be based on a number of invocations of such page, a length of time spent at such page, or any other well-known attention metric used to determine a person's interest in a particular website. [0015]Other sources of implicit data can include ads selected by an individual (during an online session or from another electronic interface which collects and presents ad related data, such as a Tivo box or the like), audio/video content, posts, blogs, podcasts, articles, stories and the like which are read and/or authored by the person. Those skilled in the art will appreciate that such monitorings could be done in any situation where a person's selections can be identified. Natural Language Classifier 130 Continue reading about Topic based recommender system & methods... Full patent description for Topic based recommender system & methods Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Topic based recommender system & methods patent application. 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