Patent ID: 8793158

Claim:
A computer-implemented method, the method comprising: receiving advertisement information associated with a website of an advertiser for advertising, the advertisement information comprising a Universal Resource Locator (URL), one or more advertising keywords, and advertising content to be displayed for the advertising; collecting one or more web pages by crawling the URL, wherein a URL keyword is extracted from contents of the collected web pages; extracting a target keyword from the advertisement information associated with the website, wherein the target keyword comprises the advertising keywords that are registered by the advertiser; determining, by a processor of the computer, a relevance score by using keyword comparison of the target keyword with respect to the URL keyword, the relevance score being determined based on at least one of frequency of occurrence of a plurality of query sets by considering a first query and a second query as a query set, the second query being entered after the first query is entered, word statistics information obtained through words included in document sets existing on webs, documents, word classification with respect to the words or document classification with respect to the documents, and related search word sets being extracted from a related search word database provided by an Internet portal site; and determining, by the processor of the computer, an inspection index of each of the advertisement information, the inspection index being an indication of whether an inspection is required for the advertisement information according to the relevance score between the URL keyword and the target keyword.