Temporal Tag Cloud Visualization for Media Events
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Solution Overview
Problem
Conventional tag clouds for media events fail to capture the temporal aspects of tags, limiting users' ability to understand the development and significance of tags over time.
Innovation Solution
A system and method that generate a secondary media stream with representations of tags based on temporal metadata, allowing users to navigate and visualize the relative significance of tags during different intervals of a media event, using adjustable font size, position, and color to depict changes in significance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a conventional tag cloud is used to display tags for a media event, then the overall summary of tags is provided, but the temporal evolution and development of tags over time cannot be captured
Solution Approach 1:
The patent segments the tag cloud into temporal intervals by dividing the media event duration into multiple time segments. Each segment displays tags active during that specific time period, enabling users to see how tag popularity evolves over time. This segmentation resolves the contradiction by adding temporal dimension without requiring a completely new system architecture.
Solution Approach 2:
The patent adds a temporal dimension to the traditional tag cloud display. Instead of showing only static tag frequencies, the system displays tags across multiple time slices, transforming the two-dimensional tag cloud into a three-dimensional temporal structure. This dimensional addition captures temporal evolution while maintaining the familiar tag cloud interface.
2Loss of information
If users want to understand the development and significance of tags over time, then temporal metadata and multiple representations are needed, but this increases the complexity of the display system
Solution Approach 1:
The patent implements dynamic navigation through the temporal tag cloud by allowing users to interactively move between different time segments. Users can scroll through time, pause at specific moments, and explore tag evolution dynamically. This dynamic interaction simplifies operation by giving users control over the temporal navigation pace.
Solution Approach 2:
The patent introduces temporal metadata as an intermediary layer between the raw tag data and the visual display. This metadata layer organizes tags by time intervals and provides contextual information, making the temporal dimension accessible and easy to navigate without overwhelming the user with raw data complexity.
3Loss of information
If a static tag cloud is displayed, then the summary is simple and easy to understand, but it cannot show changes in tag significance over different time intervals
Solution Approach 1:
The patent divides the display into multiple temporal segments, each showing tags active during specific time intervals. This segmentation allows the system to maintain a simple tag cloud structure in each individual frame while collectively presenting complex temporal evolution across all frames, resolving the contradiction between simplicity and information richness.
Solution Approach 2:
The patent employs periodic updates of the tag cloud representation synchronized with temporal intervals of the media event. The tag cloud is refreshed at regular time intervals to reflect changing tag significance, creating a periodic display that naturally shows evolution without requiring complex continuous rendering.
Data Source
AI summary
Disclosed are systems, methods, and non-transitory computer-readable storage media for presenting temporal aspects of a group of tags associated with a primary media stream. The temporal aspects of the tags are presented by obtaining temporal metadata for the tags, generating a secondary media stream for the media event based on the temporal metadata, and delivering the secondary media stream to a user terminal, such that the secondary media stream is navigable at the user terminal. The secondary media stream includes a sequence of representations of the tags visually depicting a relative significance of the tags during different intervals of times for the media event. Changes in the relative significance of the tags between successive representations can be depicted by changing at least one of a size, position, a shape, and a color of indicia associated with the tags.