Computer-aided extraction of semantics from keywords to confirm match of buyer offers to seller bids

  • US 9,378,521 B2
  • Filed: 11/09/2015
  • Issued: 06/28/2016
  • Est. Priority Date: 08/31/2004
  • Status: Expired due to Fees
First Claim
Patent Images

1. A computer-implemented method of returning results responsive to a search entered by a user through computer-parsable graphical user interface pages, the method comprising:

  • accessing, from stored first database records in memory, category descriptions of items potentially responsive to the search, at least some of the category descriptions comprising two or more item attributes of a respective item;

    accessing, from stored second database records in the memory, an entity description for at least some of the items potentially responsive to the search, the entity description comprising at least one value assigned to each item attribute of the two or more item attributes;

    storing, in third database records in the memory, a set of buyer profiles comprising at least one profile pertaining to a previous search by the user as a returning buyer;

    executing at least a portion of a client-server protocol to send, over a network, a first computer-parsable graphical user interface page displayable on a client computer coupled to the network, the first computer-parsable graphical user interface page comprising an interface to a search engine executing a computerized search function, wherein the interface to the search engine has a text search area to capture user input constituting the search;

    performing a lexical search on the user input constituting the search using the search engine to return search results from a search corpus accessible by the search engine;

    executing at least another portion of the client-server protocol to send a second computer-parsable graphical user interface page, to display at least some of the search results on the client computer;

    receiving an input word list selection by the user, wherein at least one word of the selected input word list comprises a value or a range of values of an attribute of the items potentially responsive to the search;

    scoring at least some of the category descriptions, the scoring determined at least in part by mapping at least one word of the selected input word list against corresponding entity descriptions to form a plurality of scored category descriptions, wherein an occurrence of one or more lexical matches constitutes a mapping;

    sending a third computer-parsable graphical user interface page to display at least some of the scored category descriptions based at least in part on the mapping;

    receiving a selected category description of the at least some of the scored category descriptions;

    sending a fourth computer-parsable graphical user interface page to display, on the client computer, suggested item attributes and suggested item attribute values based at least in part on the selected category description;

    receiving from the user, in response to the displayed suggested item attributes, a selection of the suggested item attribute values of the selected category description;

    storing in the memory the selected category in the set of buyer profiles;

    iteratively displaying to the user, after respective inputs from the user, a value or a range of values for at least some of the suggested item attribute values of the selected category description until the user has selected one of a preferred value or acceptable range of values for at least some of the suggested item attribute values, wherein at least some of the respective inputs by the user causes a dynamic generation of the preferred value or the acceptable range of values; and

    sending a fifth computer-parsable graphical user interface page to display, on the client computer, matching items corresponding to at least some of the preferred value or the acceptable range of values from the search corpus to enable selection by the user of a final selected item, wherein the matching items comprise at least a portion of the results responsive to the search.

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