Database system facilitating parametric searching
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 16, 2004
Grant Date -
Jul 4, 2002
app pub date -
Jan 18, 2002
filing date -
May 18, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In one aspect of the invention, a computer-implemented database system (10) includes a first table (22a) including rows each corresponding to a keyword and each including an identifier uniquely identifying the keyword. Each keyword corresponds to one or more items for which a parametric search may be performed. A second table (22b) includes rows each corresponding to an attribute of one or more items and each including an identifier uniquely identifying the attribute and a name of the attribute. A third table (22c) includes rows each corresponding to a keyword-attribute combination and each including the identifier for the keyword, the identifier for the attribute, and a set of all valid attribute values for this combination. A fourth table (22d) includes rows each corresponding to an item and each including an identifier uniquely identifying the item, a name for the item, and the identifier for the keyword for the item. A fifth table (22e) includes rows each corresponding to an attribute value of an attribute of an item and each including the attribute value, the identifier for the attribute, the identifier for the item, and the identifier for the keyword for the item.
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Cited Art Landscape
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