Personalization Personalized System Traditional System 3 2 1

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Presentation transcript:

Personalization Personalized System Traditional System 3 2 1 User Profiling User/Profile Detection Content Personalization Presentation Personalization ooo Content Presentation ooo WWW DB 2 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. User Profiles User Models 1

Contextualization Contextualized System Traditional System 3 2 1 Context Profiling Context/Profile Detection Content Contextualization Presentation Contextualization ooo Content Presentation ooo WWW DB 2 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. Context Profiles Context Models 1

Models Characteristics captured in Models are tied to the features of DMSs being personalized Query structures Search patterns Similarity measures Optimization dimensions, risk-averseness The work done in the context of Information Retrieval Systems or the web not enough Content Personalization Content Presentation Personalization Presentation User profiles User Profiling WWW DB ooo User/Profile Detection 2 3 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. Models 1

Profiling Specialized data mining Specific Profiling techniques Profiles Profiling 2 Specialized data mining Specific Profiling techniques particularly suited for populating User Models for DMSs Can db usage logs be mined in the same ways as logs from, say, web usage? Content Personalization Content Presentation Personalization Presentation WWW DB ooo User/Profile Detection 3 Models 1 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module.

Detection and Use Particular uses of profiles in DM envs not found in other apps Query opt affected by profiles: both processes need reconsideration Personalized queries amenable to special processing Any particular difficulties in context detection in DMS? 3 User Profiling 2 Models 1 User profiles Detection Content ……alization ooo Content ooo WWW DB Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. Profiles

DM Technology Contributions Traditional data management technologies has much to offer that might be useful for general issues of personalization/contextualization Specialized indexing or stream mgmt for massive web-based recommendations Heterogeneous profile integration Several things are not in the hands of AI, the semantic web, etc. Content Personalization Content Presentation Personalization Presentation User profiles User Profiling WWW DB ooo User/Profile Detection 2 3 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. Models 1

Personalization/Contextualization in New DM Environments Exciting times and research opportunities for DM Major changes in computing environments Huge amounts and great diversity of data Innovative applications Important role of personalization/contextualization Content Personalization Content Presentation Personalization Presentation User profiles User Profiling WWW DB ooo User/Profile Detection 2 3 Researchers have developed personalized systems, which adapt their behavior to the goals, interests, and other characteristics of their users as individuals or members of particular groups. Consider a typical information access system. Information is web resident. We distinguish four modules of this system: - one module is responsible for the selection of content that will be presented to the user - one module is responsible for the presentation of the selected content to the user: what text, images will be presented, in what resolution, how the page will be organized etc - another module offers different services to the user, e.g. searching, bookmarking, alert services etc - a fourth module specifies the way the user interacts with the system, e.g. menus, buttons, shortcuts, etc What distinguishes a personalized system from a traditional one is, first of all, the existence of profiles that store user information based on models of users as individuals or as members of groups. These user models may be rather rudimentary or quite sophisticated. User information is used by the system in order to adapt their behaviour to the needs, characteristics and preferences of users. More specifically, to personalize the content, the presentation, services and interaction. User profile information is inserted explicitly by the user or collected implicitly by the system by monitoring user interaction. This is the purpose of the User profiling module. Models 1