Data source-independent search system architecture

• US 8,874,545 B2
• Filed: 10/20/2008
• Issued: 10/28/2014
• Est. Priority Date: 10/19/2007
• Status: Active Grant

• Current Assignee: Oracle International Corporation (Oracle Corporation)
• Original Assignee: Oracle International Corporation (Oracle Corporation)
• Inventors: Gutlapalli, Hari Krishna, Kothari, Shirish Kasturchand, Mehta, Suhas Rohit, Pak, Wai
• Primary Examiner(s): Perveen, Rehana
• Assistant Examiner(s): Hershley, Mark E
• Application Number:
  US12/254,449
• Publication Number:
  US 20090132494A1
• Time in Patent Office: 2,199 Days
• Field of Search: 707/707, 707/711, 707/713, 707/715
• US Class Current: 707/707
• CPC Class Codes: G06F 16/24575 using context
• CPC Class Codes: G06F 16/90 Details of database functions independent of the retrieved data types
• CPC Class Codes: G06F 16/906 Clustering; Classification
• CPC Class Codes: G06F 16/93 Document management systems
• CPC Class Codes: G06F 16/951 Indexing; Web crawling techniques
• CPC Class Codes: G06F 16/9535 Search customisation based on user profiles and personalisation
• CPC Class Codes: G06F 16/9538 Presentation of query results

Abstract

A search system architecture is disclosed. The search system architecture includes a search server, which in turn includes a search services module and a search engine adapter. The search services module and the search engine adapter are communicatively coupled to one another. The search services module is configured to communicate with a user interface. The search engine adapter is configured to communicate with a search engine.

Claims

1. A search system architecture comprising:

a search server, wherein

said search server comprises

a processor,

memory,

a search services module,

at least one search engine adapter, and

a virtual business component,

said virtual business component comprises

a plurality of business objects, wherein

each of said plurality of business objects is configured to represent one or more data sources of a plurality of data sources, said search services module and said at least one search engine adapter are communicatively coupled to one another,

said at least one search engine adapter and said virtual business component are communicatively coupled to one another,

said search services module is configured to

receive a search request from a user interface,

perform search services preprocessing on said search request to generate a search query, and

send said search query to said at least one search engine adapter,

said at least one search engine adapter is configured to communicate with

said search services module,

at least one search engine, and

a business object of said plurality of business objects,

said search services module is further configured to

receive result data from said at least one search engine adapter, and

send search results to said user interface, wherein

said search results are generated by said search services module using said result data, such that said search results correspond to said search query,

said at least one search engine adapter is further configured to facilitate indexing of data, corresponding to a selected one of said search results, by said at least one search engine, via said business object, and

said business object is configured to represent a data source of said plurality of data sources that comprises said data.

2. The search system architecture of claim 1, wherein

said search system architecture further comprises said at least one search engine, and

said at least one search engine and said at least one search engine adapter are communicatively coupled to one another.

3. The search system architecture of claim 2, further comprising:

a plurality of search engines, wherein

said search server comprises a plurality of search engine adapters,

each of said search engine adapters and at least one of said search engines are communicatively coupled to one another,

said plurality of search engine adapters comprise said at least one search engine adapter, and

said plurality of search engines comprise said at least one search engine.

4. The search system architecture of claim 2, wherein

said at least one search engine adapter is configured to send index data to said at least one search engine,

in response to receiving said index data from said at least one search engine adapter, said at least one search engine is configured to send native result data to said at least one search engine adapter,

in response to receiving said native result data, said at least one search engine adapter is configured to send result data to said search services module, and

said result data comprises said search results.

5. The search system architecture of claim 4, wherein

said virtual business component and said data source are communicatively coupled to one another.

6. The search system architecture of claim 5, wherein

said search services module is configured to receive a request for data from said user interface,

said request for data corresponds to said selected one of said search results,

said at least one search engine adapter is configured to send a data access corresponding to said request for data to said virtual business component,

in response to receiving said data access from said at least one search engine adapter, said virtual business component is configured to send data corresponding to said request to said at least one search engine adapter, and

said data corresponding to said request is retrieved from said data source.

7. The search system architecture of claim 6, wherein

said search services module and said virtual business component are communicatively coupled to one another, and

said virtual business component is configured to send said data corresponding to said request to said search services module.

8. The search system architecture of claim 5, wherein

said data source comprises a database.

9. The search system architecture of claim 4, wherein said at least one search engine adapter is configured to

receive said native result data from said search engine, wherein

said native result data comprises a plurality of references, and

said plurality of references refer to said business object.

10. The search system architecture of claim 1, wherein said at least one search engine adapter comprises:

a generic search adapter; and

an engine specific adapter, wherein

said generic search adapter and said engine specific adapter are communicatively coupled to one another.

11. The search system architecture of claim 10, wherein

said engine specific adapter is configured to communicate with said at least one search engine,

said engine specific adapter is configured to send index data to said at least one search engine, and

said engine specific adapter is further configured to receive native result data from said at least one search engine.

12. The search system architecture of claim 1,wherein

said search services module is further configured to

determine whether said search services module is connected to said at least one search engine that is requested for use in said search request, and

cause said search services module to open a connection to said at least one search engine adapter, in response to a determination that said search services module is not connected to said at least one search engine.

13. The search system architecture of claim 1, wherein said at least one search engine adapter is further configured to:

retrieve data that corresponds to said selected one of said search results after the search services module sends the search results to said user interface.

14. A method comprising:

causing at least one search engine to index data of a data source, wherein

said indexing of said data is performed via a business object of a plurality of business objects,

said plurality of business objects are comprised in a virtual business component, and

said indexing of said data comprises

generating index data by causing said at least one search engine adapter to perform search engine adapter preprocessing on said search query;

receiving a search request from a user interface at a search services module, wherein

said search request is received from a client coupled to said search services module;

generating a search query by causing said search services module to perform search services preprocessing on said search request; and

sending, by said search services module, said search query to at least one search engine adapter, wherein

said at least one search engine adapter is configured to

facilitate said indexing,

communicate with said at least one search engine, and

communicate with said business object;

retrieving, by said at least one search engine adapter, data that corresponds to a selected one of said search results, wherein

said data is retrieved from said business object,

said business object corresponds to a data source that comprises said data, and

said retrieving comprises

generating result data corresponding to said search query;

receiving said result data at said search services module, wherein

said result data is received from said at least one search engine adapter; and

sending, by said search services module, search results to said user interface, wherein

said search results correspond to said search query.

15. The method of claim 14, wherein said retrieving further comprises:

generating said search results by causing said search services module to convert said result data into said search results.

16. The method of claim 15, wherein

said search request and said search results are property sets,

said search query and said result data are in an extensible markup language format, and

said search request is converted into said search query.

17. The method of claim 15, wherein said retrieving further comprises:

generating native result data by causing said at least one search engine to perform a search on a search index using said index data, wherein

said index data is sent to said at least one search engine,

said native result data is received by said at least one search engine adapter; and

generating said result data by causing said at least one search engine adapter to convert said native result data to said result data.

18. The method of claim 17, wherein

said search engine adapter preprocessing comprises

identifying said at least one search engine, wherein

said at least one search engine is to perform said search, and

converting said search query to said index data, wherein

said index data is in a native database format of said search index, and

said search services preprocessing comprises

identifying a search category for said search request, and

applying a filter.

19. The method of claim 17,wherein

said search index comprises a plurality of references to a plurality of business objects,

said plurality of business objects correspond to a plurality of data sources,

said native result data comprises at least one reference, and

said at least one reference refers to said business object.

20. The method of claim 19, wherein

said search index further comprises a mapping between

one or more fields of said search index, and

one or more fields of said plurality of business objects.

21. The method of claim 15, further comprising:

causing said search services module to close said connection from said at least one search engine adapter subsequent to said search results being provided to said user interface.

22. A computer program product comprising a non-transitory computer-readable storage medium, wherein a plurality of instructions are encoded in said non-transitory computer-readable storage medium, said plurality of instructions comprising:

a first set of instructions, executable on a computer system, configured to cause at least one search engine to index data of a data source, wherein

said indexing of said data is performed via a business object of a plurality of business objects,

said plurality of business objects are comprised in a virtual business component, and

said indexing of said data comprises

generating index data by causing said at least one search engine adapter to perform search engine adapter preprocessing on said search query,

a second set of instructions, executable on said computer system, configured to receive a search request from a user interface at a search services module, wherein

said search request is received from a client coupled to said search services module,

a third set of instructions, executable on said computer system, configured to generate a search query by causing said search services module to perform search services preprocessing on said search request,

a fourth set of instructions, executable on said computer system, configured to cause said search services module to send said search query to at least one search engine adapter, wherein

said at least one search engine adapter is configured to

facilitate said indexing,

communicate with at least one search engine, and

communicate with a business object,

a fifth set of instructions, executable on said computer system, configured to cause said at least one search engine adapter to retrieve data that corresponds to a selected one of said search results, wherein

said data is retrieved from said business object,

said business object corresponds to a data source that comprises said data, and

said fifth set of instructions comprises

a first subset of instructions, executable on said computer system, configured to generate result data corresponding to said search query,

a sixth set of instructions, executable on said computer system, configured to receive said result data at said search services module, wherein said result data is received from said at least one search engine adapter, and

a seventh set of instructions, executable on said computer system, configured to cause said search services module to send search results to said user interface, wherein said search results correspond to said search query.

23. The computer program product of claim 22, wherein said plurality of instructions further comprises:

a eighth set of instructions, executable on said computer system, configured to generate said search results by causing said search services module to convert said result data into said search results.

24. The computer program product of claim 23, wherein

said search request and said search results are property sets,

said search query and said result data are in an extensible markup language format, and

said search request is converted into said search query.

25. The computer program product of claim 23, wherein said plurality of instructions further comprises:

a ninth set of instructions, executable on said computer system, configured to generate native result data by causing said at least one search engine to perform a search on a search index using said index data, wherein

said index data is sent to said at least one search engine,

said native result data is received by said at least one search engine adapter, and

a tenth set of instructions, executable on said computer system, configured to generate said result data by causing said at least one search engine adapter to convert said native result data to said result data.

26. The computer program product of claim 25, wherein

said eighth set of instructions comprises

a first subset of instructions, executable on said computer system, configured to identify said search engine, wherein

said search engine is to perform said search, and

a second subset of instructions, executable on said computer system, configured to convert said search query to said index data, wherein

said index data is in a native database format of said search index, and

said third set of instructions comprises

a third subset of instructions, executable on said computer system, configured to identify a search category for said search;

and

a fourth subset of instructions, executable on said computer system, configured to apply a filter.