Method and system for creating vertical search engines

Details Method and system for creating vertical search engines Method and system for creating vertical search engines

2001-07-31

2004-03-30

Alam, Shahid (Department: 2172)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C707S793000, C707S793000, C709S218000

Reexamination Certificate

active

06714934

ABSTRACT:

FIELD OF THE INVENTION
This application relates to indexing and searching electronic information on a computer network. More specifically, this invention relates to a method and system for creating vertical search engines.
BACKGROUND OF THE INVENTION
As is known in the art, the Internet is a world-wide interconnected network of devices including computers, servers, gateways, routers and other devices. The World-Wide-Web is collection of servers and other devices on the Internet that support electronic document exchange. Electronic documents on the World-Wide-Web are formatted in special languages called mark-up languages, that support electronic links or “hyperlinks” to other documents, as well as to graphics, audio, video, animation and other types of electronic content. The mark-up languages include, Hyper Text Markup Language (“HTML”), Extensible Markup Language (“XML”), and many others.
As is known in the art, a “search engine” is a software program that searches documents for specified keywords and returns a list of hyperlinks to the documents where the keywords were found. Although a search engine is really a general class of programs, the term is often used to specifically describe systems like Yahoo, Lycos, Alta Vista, Excite, Google and others that enable users to search for electronic content on the World-Wide-Web.
Typically, a search engine works by sending out a software “spider” to fetch as many electronic documents as possible. Another program, called an “indexer,” then reads these documents and creates an index of Uniform Resource Locators (“URL”) based on the keywords contained in each document. Each search engine typically uses a distinct proprietary algorithm to create its indices such that meaningful results are returned for each query.
As is known in the art, a “spider” is an automated program that searches the Internet for new World-Wide-Wed documents. An “indexer” indexes the corresponding URLs and content-related information in a database, which can be examined for matches by a search engine. Spiders are generally considered to be a type of “bot,” or Internet robot and are also called “crawlers.”
Most search engines are also general portal sites. As is known in the art, a “portal” is a web-site or service that offers a broad array of resources and services, such as e-mail, forums, chat rooms, search engines, on-line shopping malls, etc. American On-Line (“AOL”), the Microsoft Network (“MSN”) and others are general portal sites.
However, there are a number of problems associated with search engines that are general portals. One problem is that a general search engine is designed to provide all types of general information to all types of users. A general search engine's search algorithms are typically designed to “horizontally” search for a breath of information to provide general types of information. This horizontal search approach causes individuals looking for specific information on the World-Wide-Web to look through hundreds, if not thousands, of irrelevant pieces of information to finally locate the information they seek, provided they find it at all.
Another problem is that general search engines often return indexes including a large number of links to information that is not closely related to a search requested by a user. This makes it difficult for a user to locate desired information and often leads to user confusion and user dissatisfaction.
Another problem is that vague search terms used in a general search engine return a large a huge number of results. However, a vague search term may be a term of art or all the user knows. The vague search term may not be vague at all when applied to a specific topic or a specific topic.
There have been attempts to solve some of the problems associated with general search engines using vertical search engines or “vortals.” As is known in the art, a vortal is a specific type of search engine that provides information and resources related only to one (or a small number) specific topic. These sites typically contain focused information, such as “vertical” or “in-depth” information pertinent only to their particular targeted topic of interest. Vortals include information pertinent to a targeted topic of a very small horizontal breath, but a larger depth. Vortals are designed to include “the” source of pertinent information on the World-Wide-Web for a “community of interest.”
Vortals typically provide news, research and statistics, discussions, newsletters, online tools, and many other services that educate users about a specific topic. Vortals typically use specialized searching algorithms to search and provide only information about a specific topic.
For example, a vortal may be created for people interested in the sport of golf. On a general search engine, if a user typed in a search using the vague keyword “Tiger” to search for URLs including hyperlinks to information about the golfer Tiger Woods, the general search engine would return thousands of URLs including animals, product names, nick-names, television programs, movie names and a large amount of other information. The user would have to look through a large number of pages to find information on the golfer Tiger Woods.
A user could qualify a search on a general search engine. For example, a user may enter a search using the keywords “Tiger and Golf” or “Tiger Woods.” However, such a search on a general search engine still returns information un-related to the golfer Tiger Woods such as information about animal and forestry. In addition, most general search engines and require a user develop some knowledge and expertise on how general search engines work to create and successfully use a qualified search.
In contrast, on a vortal specifically designed for golf, entering a search using the vague keyword “Tiger” would only return information about the golfer Tiger Woods. A user would have to sort through, very little if any, information not related to the golfer Tiger Woods. Even very vague search terms on a vortal can be used to return highly relevant search results for a particular vortal.
Vortals are also being used for electronic commerce (“e-commerce”) including Business-to-Business (“B2B”), Business-to-consumer (“B2C”) and other types of e-commerce transactions. For example, buyers and sellers with different procurement and catalog systems use B2B vortals to inter-operate and cooperate effectively.
However, there are also a number of problems associated with vortals. One problem is that it is difficult to create an appropriate list of keywords to be used for a vortal. Another problem is that it is difficult to create indexes including URLs and electronic content from web pages, and search such indexes. Another problem is that it is difficult to verify whether all indexes including URLs and electronic content for a given vortal are appropriate for a selected topic. These problems and other problems with vortals often lead to user frustration and user satisfaction.
Thus, it is desirable to provide new types vertical search engines for vortals. The vertical search engines should allow vortals to be created that efficiently index and search lists of URLs created from an appropriate list of keywords for a selected topic.
SUMMARY OF THE INVENTION
In accordance with preferred embodiments of the present invention, some of the problems associated with vertical search engines are overcome. A method and system for creating a vertical search engine is provided.
One aspect of the invention includes a method for creating a vertical search engine. Another aspect of the invention includes a method for indexing plural domain names associated with a domain name system for a selected set of keywords. Another aspect of the invention includes a method for indexing electronic content from web-sites for plural domain names associated with the domain name system for the selected set of keywords.
The method and system describe herein may help allow vortals to be created that efficiently index and search lists of URLs created from an appropriate list of keywords fo

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