Correcting Location Information in Posted Messages Using History
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Solution Overview
Problem
Existing posted message systems on computer networks, such as social networks and blogs, face challenges in providing reliable location information as users often post messages after events have occurred, leading to mismatches between the message content and the associated location information.
Innovation Solution
A system that corrects location information based on the text of the posted message and the poster's location history, ensuring that the provided location information accurately reflects the event described in the message.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If location information is associated with posted messages to provide relevant information to users, then the usefulness of the message system is improved, but the reliability of location information deteriorates because users post messages after events have occurred
Solution Approach 1:
The system performs preliminary action by obtaining and storing the poster's location history before the message is posted. This allows the system to retrospectively determine the location where the event actually occurred, even though the message is posted later. The location history serves as pre-collected data that can be matched with the message content to accurately identify the event location.
Solution Approach 2:
The system uses feedback by analyzing the message text content and comparing it with the poster's location history to determine the actual event location. The message content provides feedback about what event occurred, and this feedback is used to select the appropriate location from the history, thereby correcting the mismatch between posting time and event time.
2Measurement precision
If location information from poster's current position is used, then the system is simple to operate, but the accuracy of location information deteriorates when users post messages after moving from the event location
Solution Approach 1:
The system performs preliminary action by continuously obtaining and storing the poster's location history at predetermined intervals before message posting. This pre-collected location data allows the system to accurately identify the event location without requiring the user to manually input or verify location information at the time of posting.
Solution Approach 2:
The system applies self-service by automatically analyzing the message content and matching it with the poster's location history to determine the event location. The system performs this location correction automatically without requiring user intervention, making the operation simple while maintaining high accuracy.
3Reliability
If the system stores and processes location history data to correct location information, then the reliability of message guidance is improved, but the device complexity increases
Solution Approach 1:
The system extracts only the necessary location information from the complete location history based on the message content. Instead of processing all location data, it selectively extracts the relevant location that matches the event described in the message, thereby reducing the complexity of data processing while maintaining reliability.
Solution Approach 2:
The message content serves as an intermediary that links the poster's location history with the actual event location. By using the message text as a mediator, the system can accurately identify the event location without requiring complex direct correlation algorithms between timestamp and location data.
Data Source
AI summary
Posted message providing systems, apparatuses, methods, and programs obtain a message posted on a computer network by a poster and location information associated with the posted message. The systems, apparatuses, methods, and programs obtain a poster location history that includes the specific locations of the poster in the past obtained at predetermined intervals. The systems, apparatuses, methods, and programs correct the location information associated with the posted message based on a text of the obtained posted message and the obtained poster location history, and communicate the posted message based on the corrected location information.