Patent ID: 9330135
Filing Date: 2016-05-03
CPC Classification: G06F,G06Q

Claim Text:
1. A method for a search using a processor and a concept keyword extension data-set, the method comprising: mapping a received search keyword to a concept keyword; extending, using the processor, the concept keyword to a plurality of extended concept keywords having association with each other using the concept keyword extension data-set which comprises the concept keyword, wherein the concept keyword extension data-set includes at least one extended concept keyword that is different from the concept keyword; and generating extension keywords corresponding to the extended concept keywords, wherein the mapping further comprises performing morpheme analysis on the received search keyword and determining modifiers, wherein the determined modifiers are morphemes not included in the concept keyword, from among morphemes included in the received search keyword, wherein the generating extension keywords further comprises setting the plurality of extended concept keywords as essential tokens and the modifiers as selective tokens, and generating the extension keywords by combining the essential tokens and the modifiers such that at least one of the extension keywords is a combination of words that include both one of the essential tokens and one of the selective tokens, and wherein each of the generated extension keywords includes one, and only one, essential token, and wherein the concept keyword indicates a good or a service.