KR101078961B1 - Method and apparatus for providing intelligent web search service in wired/wireless convergence network based on IP multimedia subsystem - Google Patents

Abstract

Provided are a method and apparatus for providing an intelligent web search service in an IMS-based wired / wireless hybrid network.

In an intelligent web search service method according to an embodiment of the present invention, in a web search service method through a mobile terminal in an IMS-based wired / wireless hybrid network, a search expression selected by a subscriber of the web search service is inputted. Receiving step; Analyzing the search expression based on preference information and context awareness information of the subscriber; And performing a search service according to the analyzed result.

IMS, CDE, ICDS, ISMS, IWSS

Description

Method and apparatus for providing intelligent web search service in IMS based wired / wireless hybrid network {Method and apparatus for providing intelligent web search service in wired / wireless convergence network based on IP multimedia subsystem}

The present invention relates to an intelligent web search service, and more particularly, to provide an intelligent open meta search service and a personalized search result by interworking with an intelligent content recommendation and delivery system existing in an IMS-based wired / wireless hybrid network. The present invention relates to an intelligent web search service method and device in an IMS-based wired / wireless hybrid network.

In general, in order to download specific content to a user's mobile terminal through a mobile communication network, the user clicks a specific button of the mobile terminal to access a content platform server. In this case, the platform server transmits uniform content list information to all users through a uniform user interface (hereinafter, referred to as a UI). Using this method, the platform server unilaterally unloads uniform information that has nothing to do with the content user, and thus cannot induce interest of the content user. In addition, there is a problem that unnecessary charges are spent through downloading unwanted information from the point of view of the content user.

In order to overcome this problem, a technology for providing intelligent and personalized content and content services for each content user through an IMS-based wired / wireless hybrid network has been filed by the present applicant. According to this technique, by extracting, refining, and processing profile information about a content user (or service subscriber) to generate dynamic information (situation awareness information), by using this, a dynamic UI suitable for the characteristics of each content user is provided. Users can easily be provided with a personalized content list or content desired. In other words, it is possible to provide context-aware service suitable for the situation of the user accessing the server, and to convert and provide contents of different standards existing in the existing wired / wireless network according to the user's environment. Is possible.

However, there is a need to provide an intelligent open meta search service and personalized search results by extending the concept of context-aware service or wired / wireless convergence service through the IMS-based wired / wireless hybrid network to the Internet web search service field.

The technical problem to be achieved by the present invention, in connection with the intelligent content recommendation and delivery system existing in the wired / wireless hybrid network based on IMS to provide a mobile web search service in the general search terms entered by the user user preference information and society It is to provide a method and apparatus for intelligent web search service in IMS based wired / wireless hybrid network that can provide intelligent open meta search service and personalized search results by using network information and expanding search terms based on ontology and context information. .

The object of the present invention is not limited to the above-mentioned object, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

An intelligent web search service method according to an embodiment of the present invention for achieving the above object is a web search service method through a mobile terminal in a wired / wireless hybrid network based on IMS, which is searched by a subscriber of the web search service. Receiving a search expression in which a viewpoint is selected; Analyzing the search expression based on preference information and context awareness information of the subscriber; And performing a search service according to the analyzed result.

In addition, an intelligent web search service apparatus according to an embodiment of the present invention for achieving the above object, in a web search service apparatus via a mobile terminal in an IMS-based wired and wireless hybrid network, to the subscriber of the web search service An input module for receiving a search expression in which a search viewpoint is selected; A search expression analysis module for analyzing the search expression based on the subscriber's preference information and context awareness information; And a search service execution module that performs a search service according to the analyzed result.

In addition, the intelligent web search service providing system according to an embodiment of the present invention for achieving the above object, in the IMS-based wired and wireless hybrid network system including a mobile communication system and the IMS system, the intelligent open meta search service and An intelligent web search service providing server providing personalized search results; And an intelligent content recommendation and delivery server interworking with the intelligent web search service providing server and recommending or delivering the intelligent open meta search service and the personalized search result to a subscriber.

Specific details of other embodiments are included in the detailed description and drawings which will be described later.

According to the intelligent web search service method and apparatus in the IMS-based wired / wireless hybrid network according to the embodiment of the present invention as described above, one or more of the following effects exist.

The intelligent open meta search service can be performed by using user preference information and social network information for general search terms input by a user and expanding search terms based on ontology and context information.

Personalized search results can be provided by using user preference information and social network information for general search terms input by a user and expanding search terms based on ontology and context information.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and the present embodiments merely make the disclosure of the present invention complete, and are common in the art to which the present invention pertains. It is provided to fully inform those skilled in the art of the scope of the invention, which is to be defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

1 is a block diagram of an IMS-based wired / wireless hybrid network system including an intelligent content recommendation and delivery system according to an embodiment of the present invention. Referring to FIG. 1, the IMS-based wired / wireless hybrid network system includes subscriber stations 110 and 120, a mobile communication system 200, an IMS network 300, and an intelligent content recommendation and delivery system (CDE) 400. Including enabler 500, legacy system 600, Internet portal / BcN / All IP network 700, intra portal server 800, and CDE-based intelligent application server (AS) 900. Can be configured.

Subscriber terminals 110 and 120 are end-hosts in an IMS-based wired / wireless hybrid network system, and may be a mobile terminal 110 or a web-based SIP terminal 120. Of course, it should be a terminal capable of transmitting and receiving packet data wirelessly connected to a Radio Access Network (RAN) to be described later. The subscriber station (110, 120) is assigned a private IP address or a public IP address, if the private IP address is assigned, the address translation process by a network address translator (NAT) (not shown) is added May be required. NAT converts the source address information in the form of private IP address into the source address information in the form of a public IP address or the source address information in the form of a public IP address into source IP information in the form of a private IP. can do.

The mobile communication system 200 may include a base station 210, a base station controller (RNC) 220, an SGSN 230, and a GGSN 240.

A radio access network (RAN) including a base station 210 and an RNC 220 serves to guarantee the mobility of the subscriber stations 110 and 120, and is a hand-off and radio resource management function. Do this. The wireless access network may be implemented by a base transceiver station (RTS) 210 and a base station controller (RNC) radio station 220 between the switch (not shown) and the subscriber station (110, 120). And a circuit switch (MSC) (not shown), a visitor location register (VLR) (not shown), a home location register (HLR) (not shown), and the like.

The base station 210 performs a radio access termination function with a subscriber station conforming to the 3GPP (3 Generation Partnership Project) radio access standard. In the case of a 3G mobile communication network, Node B plays a role and moves to an uplink. Receives information transmitted from the physical layer of the terminal, and transmits data to the mobile terminal in the downlink, and serves as an access point for the mobile terminal to transmit and receive voice, video and data traffic. In addition, location registration is performed to identify the location of a terminal located in a cell unit and exists in a cell area under its control and allocates a radio channel for voice and data communication to the terminal.

The base station controller (RNC) 220 includes wired and wireless channel management, protocol matching with subscriber stations, protocol matching between base stations, soft handoff processing, core network protocol processing, GPRS (General Packet Radio Service) access, fault management, system loading, and the like. It is responsible for the functions required for the same radio call processing.

In addition, a device such as a circuit switch, a visitor location register, or a home location register may be further included in the wireless access network, but a detailed description thereof will be omitted since it is not directly related to an embodiment of the present invention.

The Serving GPRS Support Node (SGSN) 230 has a hardware structure that provides an Asynchronous Transfer Mode (ATM) -based switch and routing connection for GPRS services, and has packet data with a terminal in a service area. The node that delivers. It also has functions such as packet routing and transmission, mobility management, logical link management, authentication and charging.

The Gateway GPRS Support Node (GGSN) 240 is a node that is responsible for the connection function between the GPRS backbone network and the external packet data network. E.g., IP.X.25) to transmit and convert the PDP address of the incoming packet data to the GSM address of the receiver.

The IMS nodes of the IMS network 300 interworking with the aforementioned GGSN 240 will be described. The IMS network 300 is based on the WCDMA network including the SGSN 230 and the GGSN 240 described above, and includes a home subscriber server (HSS) 310, a call session controller (CSCF) 320, and an application layer gateway. (Application Layer Gateway; ALG) 330, Policy and Charging Rule Function (PCR) 340, in addition to the Enabler 500 or MRF (Media Relay Function; not shown) ) May be further included.

The Call Session Control Function (CSCF) 320 is a basic for controlling sessions based on Session Initiation Protocol (SIP) such as subscriber registration, authentication, service triggering, routing, call control, address handling, etc. Function can be performed. Specifically categorized according to function, the CSCF 320 includes a Proxy-CSCF (P-CSCF), an Interrogating-CSCF (I-CSCF), and a Serving-CSCF (S-CSCF). ) May be included.

The P-CSCF is the first point where the terminals 110 and 120 access the IMS network 300. When a register request message (REGISTER) is transmitted from the terminals 110 and 120, the P-CSCF may deliver it to the I-CSCF. The P-CSCF stores the address of the S-CSCF allocated by the I-CSCF during the processing of the registration request message, and forwards it to the S-CSCF when a session request message (INVITE) is received from the terminals 110 and 120. can do.

The I-CSCF serves as a contact point for incoming calls to connect to subscriber stations in the entire network and as a point of contact with terminals of other network subscribers roaming in the network. The I-CSCF obtains an address list of the S-CSCF available from the HSS 310 in the process of registering a user of the terminal 110 or 120, that is, a subscriber, and determines the S-CSCF to be in charge of actual registration by referring to the I-CSCF. Can be.

The S-CSCF may register a subscriber with the HSS 310 when the registration request message is received from the I-CSCF, and obtain a subscriber profile from the HSS 310. The S-CSCF checks the types of services to be provided to the terminals 110 and 120 by using the subscriber profile and performs triggering on an enabler or an application server (AS) that will support the identified services. can do. In addition, the S-CSCF may acquire and manage an authentication vector (AV) from the HSS 310. In addition, the S-CSCF may perform subscriber authentication using an authentication vector.

The home subscriber server (HSS) 310 is a subscriber's master database, which stores and manages subscriber profile, authentication, and location related data, and provides information required by the CSCF 320. In addition, the HSS 310 may generate an authentication vector required for subscriber authentication, and may include a function of a home location register (HLR).

The application layer gateway (ALG) 330 provides a function of converting address information in a SIP message in order to solve a NAT-Traversal problem that occurs when providing a SIP-based service in another network interworking environment. That is, the ALG 330 changes the media reception information in the form of a private IP address into the media reception information in the form of a public IP address in the payload of the packet transmitted by the terminals 110 and 120 and transmits the received media to the reception side.

The Policy and Charging Rule Function (PCR) 340 is a node that controls end-to-end quality of service (QoS) and service charging policies.

In addition, the IMS network 300 includes a multimedia resource function (MRF) (not shown) which provides a call control function and a media mixing function for a multilateral service, and a SIP signaling and a state management function with the ALG 330. A transport gateway (TrGW) (not shown) for interworking with the Internet portal / BcN / All IP network 700 may be further included.

Here, the IMS network 300 includes a home subscriber server (HSS) 310, a call session controller (CSCF) 320, an application layer gateway (ALG) 330, a policy and charging controller (PCRF) 340. Although illustrated as including one by one, this is only for explaining the basic configuration of the IMS node, it may include a plurality of components of the above-described IMS network 300, the enabler 500 or the transport gateway (TrGW) (not shown) may be further included.

Intelligent Content Recommendation and Delivery System (CDE) 400 includes Intelligent Subscriber Information Management Server (ISMS) 410, Intelligent Content Delivery Server (ICDS) 420, Subscriber Information Collection Server (SICS) 430, and IMS Controller. And (IMSC) 440.

The IMS controller (IMSC) 440 interworks with the CSCF 320 of the IMS network 300 to perform IMS call processing signaling, and manages registration and logon sessions of service subscribers. In addition, it is linked to the intelligent subscriber information management server (ISMS) 410, the intelligent content delivery server (ICDS) 420, and the enabler 500, which will be described later, and connects the information to the IMS network 300 to provide information. Allow exchange.

The subscriber information collection server (SICS) 430 collects user information by extracting and processing information about a content user through the legacy system 600, and manages a schedule of information extraction.

Here, as an example of the legacy system 600, the wired magic en 610, IPAS (IP Accounting Server) 620, AAA (Authentication, Authorization, and Accounting) (630), SAS (640), JUICE (650) , And S (L) MSC 660, but are not necessarily limited thereto. The information collected from the legacy system 600 is extracted as the most personalized information to the content user or subscriber through a remodeling process such as a batch process, and the extracted information is a subscriber information collection server (SICS) ( 430 may be stored. Here, the batch process refers to a process of extracting information in order to provide the collected information to the content user or subscriber. Since the batch process is already known, a detailed description thereof will be omitted.

The intelligent content delivery server (ICDS) 420 generally stores and manages a personalized dynamic UI for each service subscriber, recommends or delivers intelligent personalized content by using the dynamic UI, and may provide a personalized notification window for this. . In addition, by interlocking with the intra portal server 800 or the CDE-based intelligent application server (AS) 900, content may be directly collected to deliver personalized dynamic information to a content user or subscriber. To this end, the metadata for the content may be configured or managed, and the content conversion and composition function may be provided. In addition, the intelligent content delivery server (ICDS) 420 may be provided with the content in conjunction with the Internet portal, BcN or All IP network 700 through an interworking gateway (not shown). An intelligent content delivery server (ICDS) 420 according to an embodiment of the present invention uses a dynamic UI set by a subscriber to output a personalized search result that is output as a result of a search service that expands a search term input through a subscriber's mobile terminal. It serves to deliver to the subscriber's mobile terminal.

Here, the CDE-based intelligent application server (AS) 900 is a server that provides various personalization services by interworking with the aforementioned ICDS 420 and the ISMS 410 which will be described later. An example of a service provided by the server 900 is provided. Intelligent Web Searching Service (IWSS) 910, Intelligent Tour Guide Service (ITGS) 920, Customized Shopping Recommending Service (930), Media & News (940), Intelligent e-Commerce (950), and Intelligent Professionals. Search 960, and the like, but is not necessarily limited thereto. IWSS 910 is a server that provides intelligent wired and wireless web search, ITGS 920 is a server that provides intelligent travel guide function, personal schedule management, travel recommendation and guide, meeting place recommendation, etc. 930 is a server that proposes personalized shopping or provides a function of recommending a personalized product related to an anniversary notice or a video. In particular, the IWSS 910 is a server for providing an intelligent web search service according to an embodiment of the present invention. The IWSS 910 analyzes a search expression input by a user, establishes a search strategy, and selects a search service and expands a search word according to the search strategy. By doing a search, you can provide personalized and intelligent search results. Detailed description of the IWSS 910 will be described later in the description of FIG. 2.

The intelligent subscriber information management server (ISMS) 410 collects the content directly by interworking with the intra portal server 800 or the CDE-based intelligent application server (AS) 900, or the subscriber information collection server (SICS) 430. It is used to create and manage dynamic information personalized to content users or subscribers using the processed information. In this case, the information processed by the subscriber information collection server (SICS) 430 refers to information processed to use the information of the service subscriber and call information to expand the search word for the personalized search service.

Finally, the enabler 500 is a video media control enabler (VME) 510 that controls wired / wireless composite video media, a common platform that provides community services based on IMS. IMS Community Enabler (ICE) 520, and Presence Server (PS) 530 that manages the status information of subscribers in the IMS network, all of which are under the control of the IMSC 440. Receive and exchange information with the IMS network 300.

The VME 510 is an enabler having a next generation video remote control function based on an IMS capable of providing a service that allows a subscriber to conveniently control high quality video anytime, anywhere using a next generation video terminal. For example, the next-generation video terminal can be used to monitor a remote video device such as a camcorder or pet control robot, adjust the angle of the lens, and provide video / audio codecs and media processing functions provided by the remote video device. Can provide. In addition, it can function as a common platform for additional application services in the future.

The ICE 520 provides the user or the subscriber with information on a specific community subscribed to by the content user or the service subscriber, and the information on other users who have joined the community through the IMSC 440 through the IMS network ( 300) together. That is, when a user or a subscriber accesses the ICDS 420 through his terminal, it may function to mutually provide information between community subscribers.

The PS 530 may function to collect current location information of a content user or a service subscriber and provide the personalized service to the user or subscriber based on the collected location information based on the collected location information.

Now, embodiments of a method and apparatus for providing an intelligent web search service in an IMS-based wired / wireless hybrid network will be described with reference to FIGS. 2 to 4. Hereinafter, an intelligent web search service providing apparatus according to an embodiment of the present invention will be described on the premise that it operates in the IWSS 910.

2 is a block diagram of an intelligent web search service providing apparatus according to an embodiment of the present invention.

Referring to FIG. 2, when the web search expression is input through the subscriber stations 110 and 120, the ISMS of the intelligent content recommendation and delivery system (CDE) 400 is transmitted through the mobile communication system 200 and the IMS network 300. 410 and the intelligent web search service providing apparatus 910 interworking with the ICDS 420. The intelligent web search service providing apparatus 910 includes an ISMS interworking module 9101, an ICDS interworking module 9102, an input module 9203, a search expression analysis module 9104, a search service execution module 9305, and a search service catalog ( 9106, search strategy establishment and selection module 9107, ranking module 9108, preference analysis module 9209, search expression extension module 9110, and output module 9111.

The ISMS interworking module 9101 is a module providing an interface for interworking with the intelligent subscriber information management server (ISMS) 410, and the ICDS interworking module 9102 can interoperate with the intelligent content delivery server (ICDS) 420. A module that provides an interface to help.

The input module 9103 may receive a search expression in which a search viewpoint is selected by a subscriber of the web search service through the ISMS interworking module 9101 or the ICDS interworking module 9102. The search point of view includes the viewpoint of individual subscribers, the point of view of a person having a social relationship with the subscriber, and the point of view of a representative group including the subscriber. As a result, the search results may differ according to what the search viewpoint is.

The search expression analysis module 9104 may analyze a search expression generated by a search word or a combination of search words input by the subscriber based on the subscriber's preference information and context awareness information.

The search expression analysis module 9104 can formulate and select a search strategy based on the subscriber's preference information, context awareness information, and content domain ontology information, in particular by the search strategy establishment and selection module 9107. According to the strategy, an extended search expression may be generated by extending the search expression through the search expression expansion module 9110. The search strategy may include a search service execution strategy of selecting which search service provider from a list of search service providers providing a search service, and a search term expansion strategy reflecting subscriber's preference information.

The search service catalog 9106 is a repository that contains configuration information about search engines and information about search engine providers. The search service catalog 9106 includes information about which search service providers have a search service function, and in particular, which search functions are strong. This allows you to select the search service provider that best suits the subscriber requesting the search.

The search service execution module 9305 is a module capable of performing a search service according to the analyzed result. The search service execution module 9305 adapts the extended search expression using the search service catalog 9106 and uses the adapted extended search expression. To perform a meta search.

Preference analysis module 9209 can be used to determine the preferences of individual subscribers, the preferences of persons having some social relations with the subscribers (eg, family relationships, workmate relationships, alumni relationships, etc.), and preferences of the representative groups in which the subscribers are included. It has the function of analyzing.

The ranking module 9108 is a module for ranking the search results, and ranks the search results by reflecting the preferences of the subscriber individual analyzed by the preference analysis module 9209, the preferences of the related parties, and the preferences of the representative group. Set it.

The output module 9111 is a module that outputs a personalized search result suitable for the situation of the subscriber according to the ranking set by the ranking setting module 9108.

3 is a flowchart of a method for providing an intelligent web search service according to an embodiment of the present invention.

First, at least one of a viewpoint of an individual subscriber, a viewpoint of having a social relationship with a subscriber, and a viewpoint of a representative group including a subscriber is selected (S102), and a search word or a search expression is input (S104).

Next, the search expression is analyzed based on the subscriber's preference information and context awareness information (S106). In particular, the subscriber's preference information or personal context awareness information is used, and a search strategy is established and selected based on the content domain ontology information (S108). Specifically, a search service execution strategy of selecting a search service provider from a list of search service providers providing a search service may be selected (S110), and a search term expansion strategy may be selected (S112). . The selected search term is expanded to generate an extended search expression (S114). In this case, the search term may be extended with reference to personal preference information.

Next, the search service is performed using the extended search expression according to the search service execution strategy selected in step S110 and the search term expansion strategy selected in step S112 (S116). More specifically, the extended search term or extended search expression may be adapted using the search service catalog 9106, and meta search may be performed using the adapted extended search term or extended search expression.

After performing such a search service, the ranking of the search results may be set or the set ranking may be reset by reflecting the preferences of individual subscribers, preferences having a social relationship with the subscriber, and preferences of the representative group including the subscriber. There is (S118). Finally, a personalized search result corresponding to the individual subscriber's situation is output according to the set ranking (S120).

4 is a conceptual diagram of performing a preference based search term expansion using an intelligent web search service providing method according to an embodiment of the present invention.

For example, when the word “driver” is input as a search word through the input module 9103, the search expression is analyzed, the search strategy is selected, and the search expression expansion module 9110 is referred to as “golf course”. The term "" may be added, and terms based on preference information such as "sport", "golf", and "golf club" may be added with reference to preference information and representative group preference information related to subscriber preference information. In addition, by referring to the content domain ontology, it is possible to reflect information on which ontology the input search word “driver” is configured in the “golf” domain. As a result, an expanded search term or search expression such as "golf", "golf", "driver", or "wood no.1" will be generated.

5 is a conceptual diagram of performing an intelligent meta search service using an intelligent web search service providing method according to an embodiment of the present invention.

First, a specific search service is based on a search service catalog 9106 including configuration information about a search engine and information about a provider of a search engine, and with reference to subscriber preference information, related party preference information, and representative group preference information. Select (S201). The extension of the search service owned by the selected search service (Search (param 1 + param 2 + ... param n)) is input to a search-type adapter (not shown) and generated in the above-described embodiment of FIG. 4. Search terms or search expressions are input to the search expression adapter (not shown).

The search adapter (not shown) adapts the extended search term or search expression to the method of the selected search service (S202), and inputs the adapted result to the search service execution module 9305 to execute the meta search. (S203). In this case, the search service execution module 9305 transmits the result of the adaptation through the search Open API and receives the search result through the search Open API. In addition, the search result by the meta search is normalized (S204), and transmitted to the ranking setting module 9108 to set the ranking of the search result (S205). In this case, the ranking setting module 9108 may not only set the ranking of the search result by referring to the subscriber preference information, the related party preference information, and the representative group preference information, but also reset the set ranking.

Although embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1 is a block diagram of an IMS-based wired / wireless hybrid network system including an intelligent content recommendation and delivery system according to an embodiment of the present invention.

2 is a block diagram of an intelligent web search service providing apparatus according to an embodiment of the present invention.

3 is a flowchart of a method for providing an intelligent web search service according to an embodiment of the present invention.

4 is a conceptual diagram of performing a preference based search term expansion using an intelligent web search service providing method according to an embodiment of the present invention.

5 is a conceptual diagram of performing an intelligent meta search service using an intelligent web search service providing method according to an embodiment of the present invention.

Claims (20)

In the web search service method through a mobile terminal in a wired / wireless hybrid network based on IMS, Receiving at least one search viewpoint from among the subscriber's personal viewpoint, the viewpoint of having a social relationship with the subscriber, and the viewpoint of a representative group including the subscriber, and receiving a search word or a search expression from the subscriber ; By using the subscriber's preference information or context awareness information, selecting any search service provider from a list of search service providers providing a search service based on content domain ontology information, and reflecting the subscriber's preference information. Generating a broad search expression by expanding a search term or a search expression; Performing a search service using the extended search expression; Setting a ranking of search results by reflecting the selected search viewpoint; And And outputting the search result according to the set rank. delete delete delete The method of claim 1, Performing the search service, Adapting the extended search expression using a search service catalog that includes configuration information for a search engine and information about a provider of the search engine; And performing a meta search using the adapted extended search expression. delete A web search service apparatus using a mobile terminal in an IMS-based wired / wireless hybrid network, An input module for selecting a search viewpoint from a subscriber of the web search service and receiving a search expression; By using the subscriber's preference information or context awareness information, selecting any search service provider from a list of search service providers providing a search service based on content domain ontology information, and reflecting the subscriber's preference information. A search expression analysis module that extends the search expression to generate an extended search expression; A search service execution module that performs a search service using the selected search service provider and the extended search expression; A ranking setting module for setting a ranking of search results by reflecting the selected search viewpoint; And And an output module for outputting a personalized search result suitable for the situation of the subscriber individual according to the set ranking. The method of claim 7, wherein The search point of view, An intelligent web search service apparatus including a viewpoint of the subscriber individual, a viewpoint of having a social relationship with the subscriber, and a viewpoint of a representative group including the subscriber. delete delete The method of claim 8, It further includes a search service catalog containing configuration information for the search engine and information about the provider of the search engine, The search service execution module may be configured to adapt the extended search expression using the search service catalog and perform a meta search using the adapted extended search expression. delete delete delete delete delete delete delete delete delete

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