Content Player User-Specific Metadata Segmentation
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Solution Overview
Problem
Content players face difficulties in altering content instances while preserving user-specific information for multiple users, as existing systems cannot selectively affect user-specific information for one user without impacting others during operations like deletion or movement.
Innovation Solution
A content player system that associates and identifies user-specific information for multiple users, allowing operations to be performed such that the information for the requesting user is altered without affecting other users, by prompting users to select identifiers or log in, and managing user-specific metadata like placeholders and protection statuses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a content player performs operations like deletion or movement on content instances, then the content can be managed and reorganized, but user-specific information for multiple users is affected unintentionally
Solution Approach 1:
The system segments user-specific information by creating separate data structures for each user (e.g., userA-specific information, userB-specific information). When a content operation is performed, the system identifies which user initiated the operation and applies the operation only to that user's segmented information, preventing unintended effects on other users' data.
Solution Approach 2:
The system applies local quality by making user-specific information associated with each content instance have different properties or states based on the user. For example, protection status, watch history, or playback position are maintained locally for each user, allowing selective modification without affecting other users' local information.
2Adaptability or versatility
If user-specific information is associated with content instances, then personalized content experience is enabled, but complexity of managing multiple users' data increases
Solution Approach 1:
The system implements universality by creating a unified content instance that can serve multiple users simultaneously, each with their own user-specific information. The content instance acts as a universal container that adapts to different users through associated metadata, allowing one content object to fulfill multiple user-specific functions without requiring separate copies for each user.
Solution Approach 2:
The system applies the nested doll principle by embedding user-specific information within the content instance structure. Each content instance contains nested user-specific data (e.g., userA-specific information, userB-specific information) that can be independently accessed and modified, allowing hierarchical organization that reduces overall system complexity.
3Measurement precision
If the system prompts users to select identifiers or log in to identify user-specific information, then accurate user identification is achieved, but operation time increases
Solution Approach 1:
The system performs preliminary action by pre-establishing user identification mechanisms (such as login sessions or device associations) before content operations are needed. User-specific information is pre-linked to identified users, so when operations occur, the system can quickly determine which user's information to modify without requiring real-time identification prompts, thus reducing operational delay.
Data Source
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AI summary
A content player receives user-specific information from different users and associates the information with content. Subsequently, the player receives a request to perform a content-altering operation. In response, the player performs the operation such that the information for the requesting user is affected, but not the information for other users. The information may include a placeholder, an indication as to whether the content and/or the entire content has been accessed, a protection status indicating whether or not the content can be deleted, and so on. The information may be added to and/or configured to accompany and/or otherwise be associated with the content. The player may identify the user so that different information for different users can be associated with the content for the respective user, such as by prompting the user to select an identifier from a list or perform a "log in."