Content Metadata Time Information Segmentation
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Solution Overview
Problem
Existing methods for searching content, such as those disclosed in Japanese Unexamined Patent Application Publications 2004-259313 and 2004-139576, face difficulties in distinguishing between public and private time information, making it inconvenient to find specific contents like music or movie files with metadata indicating release or broadcast dates, and are limited in searching for contents using time information as metadata.
Innovation Solution
A method and system that set and differentiate between public and private time information for each content, allowing precise searching by using attribute information associated with each type of time information, enabling the use of time differences as search keys to find contents based on their release or purchase dates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If time information is stored in association with contents, then contents can be searched using time information, but it becomes difficult to distinguish between public and private time information when multiple types of time information are assigned to each content
Solution Approach 1:
The patent segments time information into distinct types (public time information and private time information) and stores each type in separate data fields within the content metadata. This segmentation allows the system to manage multiple time information types without confusion, enabling users to search for contents based on specific time attributes (e.g., release date vs. purchase date) while maintaining clear distinction between different time meanings.
2Ease of operation
If single attribute time information is used for searching, then searching is simple, but it is not possible to search for contents based on specific time attributes like release date or purchase date when multiple time attributes exist
Solution Approach 1:
The patent adds a new dimension to the search system by introducing attribute identification fields that specify the type of time information being searched. Instead of a single-dimensional search based solely on time values, the system now operates in multiple dimensions by combining time values with their corresponding attributes (e.g., searching for contents with release date in 2006 vs. contents purchased in 2006). This dimensional expansion maintains search simplicity while enabling precise attribute-based queries.
Data Source
AI summary
A method of using contents includes the steps of setting public time information and private time information, the public time information being associated with each content and defined universally for use by a large number of unspecified users, the private time being associated with the content and defined for use by a small number of particular persons, and searching for a content according to the public time information and/or the private time information and using the content detected in the searching.