Method and apparatus for searching distributed networks using a plurality of search devices

• US 6,370,527 B1
• Filed: 12/29/1998
• Issued: 04/09/2002
• Est. Priority Date: 12/29/1998
• Status: Expired due to Term

• Current Assignee: AT&T Intellectual Property II LP (AT&T, Inc.)
• Original Assignee: AT&T Corporation (AT&T, Inc.)
• Inventors: Singhal, Amitabh Kumar
• Primary Examiner(s): Black, Thomas
• Assistant Examiner(s): CHEUNG, MARY DA ZHI WANG
• Application Number:
  US09/222,129
• Time in Patent Office: 1,197 Days
• Field of Search: 707/1-7
• US Class Current: 1/1
• CPC Class Codes: G06F 16/951 Indexing; Web crawling techniques
• CPC Class Codes: G06F 16/9538 Presentation of query results
• CPC Class Codes: Y10S 707/99936 Pattern matching access
• CPC Class Codes: Y10S 707/99937 Sorting

Abstract

A meta-search engine apparatus and method for searching distributed networks using a plurality of search devices. The meta-search engine apparatus sends search queries to a plurality of search engines and compiles the results obtained from each of these search engines into a single ranked list. The results obtained from each of the search engines includes a listing of the titles of found sources of the search terms, or related search terms, and a summary of the source. The compilation and ranking is based primarily on the occurrence of search terms, or related search terms, in the titles and summaries but may also be based on, for example, relative weights given to each search engine, the number of search engines returning the same source as a result of a search, weighting of sections of the results obtained from the search engines, and the like.

Claims

1. A method for searching a distributed network, comprising:

submitting a query simultaneously to a plurality of search engine devices, the query including at least one search term;

receiving search results from the search engine devices, the search results including listings of sources containing the at least one search term, or a term or terms related to the at least one search term, wherein the listings of sources include at least one of a title and summary of each source;

ranking the search results based on the occurrence of the at least one search term, or a term or terms related to the at least one search term, in at least one of titles and summaries of the search results; and

compiling a single ranked list of the received search results,

wherein the ranking step comprises generating scores for each source in the search results and sorting the search results into the single ranked list based on the generated scores, and if two or more sources have a same score, the ranking step further comprises calculating a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.

2. The method of claim 1, wherein the ranking is further based on at least one of rankings obtained from the search engine devices, weighting factors based on a particular search engine device from which the search results are retrieved, the number of repetitions of the search results, and weighting of sections of the search results obtained from the search engine devices.

3. The method of claim 1, further comprising sending the single ranked list to a user device.

4. The method of claim 1, wherein a score of a source is calculated by counting the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the title and summary of the source.

5. The method of claim 4, further comprising multiplying at least one of a count of the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the title and a count of the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the summary by a weighting factor.

6. The method of claim 4, further comprising multiplying the score of a source by a weighting factor.

7. A searching apparatus for searching a distributed network, comprising:

a controller; and

a ranking device, wherein the controller submits a query to a plurality of search engine devices, the query including at least one search term, and receives search results from the search engine devices simultaneously, and wherein the ranking device ranks the search results based on the occurrence of the at least one search term, or a term or terms related to the at least one search term, in at least one of titles and summaries of the search results,

wherein the controller compiles a single ranked list of the received search results, the search results include listings of sources containing the at least one search term, or a term or terms related to the at least one search term, and wherein the listings of sources include at least one of a title and summary of each source, wherein the ranking device ranks the search results by generating scores for each source in the search results and sorting the search results into the single ranked list based on the generated scores; and

wherein if two or more sources have a same score, the ranking device calculates a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.

8. The apparatus of claim 7, wherein the ranking is further based on at least one of rankings obtained from the search engine devices, weighting factors based on a particular search engine device from which the search results are retrieved, the number of repetitions of the search results, and weighting of sections of the search results obtained from the search engine devices.

9. The apparatus of claim 7, wherein the controller sends the single ranked list to a user device.

10. The apparatus of claim 7, wherein the ranking device calculates a score of a source by counting the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the title and summary of the source.

11. The apparatus of claim 10, wherein the ranking multiplies at least one of a count of the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the title and a count of the number of occurrences of the at least one search term, or a term or terms related to the at least one search term, in the summary by a weighting factor.

12. The apparatus of claim 10, wherein the ranking device multiplies the score of a source by a weighting factor.

13. A method for searching a distributed network, comprising:

submitting a query to a plurality of search engine devices, the query including at least one search term;

receiving search results from the search engine devices;

ranking the search results based on the occurrence of the at least one search term, or a term or terms related to the at least one search term, in titles and summaries of the search results, and on at least one of rankings obtained from the search engine devices, weighting factors based on a particular search engine device from which the search results are retrieved, the number of repetitions of the search results, and weighting of sections of the search results obtained from the search engine devices; and

compiling a single ranked list of the received search results, the search results including listings of sources containing the at least one search term, or a term or terms related to the at least one search term,

wherein the listings of sources include at least one of a title and a summary of each source; and

wherein the ranking step comprises generating scores for each source in the search results and sorting the search results into the single ranked list based on the generated scores, and if two or more sources have a same score, the ranking step further comprises calculating a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.

14. A searching apparatus for searching a distributed network, comprising:

a controller; and

a ranking device, wherein the controller submits a query to a plurality of search engine devices, the query including at least one search term, and receives search results from the search engine devices, wherein the ranking device ranks the search results based on the occurrence of the at least one search term, or a term or terms related to the at least one search term, in at least one of titles and summaries of the search results, and on at least one of rankings obtained from the search engine devices, weighting factors based on a particular search engine device from which the search results are retrieved, the number of repetitions of the search results, and weighting of sections of the search results obtained from the search engine devices, and wherein the controller compiles a single ranked list of the received search results, the search results include listings of sources containing the at least one search term, or a term or terms related to the at least one search term, and wherein the listings of sources include at least one of a title and a summary of each source;

wherein the ranking device ranks the search results by generating scores for each source in the search results and sorting the search results into the single ranked list based on the generated scores; and

wherein if two or more sources have a same score, the ranking device calculates a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.

15. A method for searching a distributed network, comprising:

submitting a query to a plurality of search engine devices, the query including at least one search term;

receiving search results from the search engine devices; and

ranking the search results based on weights assigned to at least one particular search engine device from which the search results are received,

wherein if two or more sources listed in the search results have a same score, the ranking step further comprises calculating a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.

16. A searching apparatus for searching a distributed network, comprising:

a controller; and

a ranking device, wherein the controller submits a query to a plurality of search engine devices, the query including at least one search term, and receives search results from the search engine devices, and wherein the ranking device ranks the search results based on weights assigned to at least one particular search engine device from which the search results are received,

wherein if two or more sources listed in the search results have a same score, the ranking device calculates a secondary score for the two or more sources and the ranking of the two or more sources is based on the secondary score.