Temporal Dependency Tree Indeterminacy Quantification

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Solution Overview

Problem

Temporal Dependency Trees (TDTs) suffer from temporal information loss and indeterminacy when transforming temporal graphs, restricting the types of temporal relationships and resulting in more indeterminacy in the global ordering of times and events compared to temporal graphs.

Innovation Solution

A system and method that quantify temporal indeterminacy by generating TDTs from temporal graphs, identifying indeterminate sections, and calculating indeterminacy values to measure the total temporal information loss, using algorithms to transform temporal graphs into TDTs and storing omitted relations, allowing comparison of indeterminacy between TDTs and temporal graphs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If temporal graphs are transformed into Temporal Dependency Trees (TDTs) to simplify representation and improve computational efficiency, then device complexity is reduced and processing speed improves, but temporal information is lost and indeterminacy increases

Engineering Contradiction:
Improverepresentation complexityVSAvoidtemporal information loss
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The patent introduces an intermediary representation that preserves omitted temporal relations from the TDT transformation. Instead of directly using the simplified TDT structure, the system maintains an additional data structure that stores the relations lost during transformation, allowing these relations to be recovered when needed for accurate temporal reasoning while still benefiting from the computational efficiency of TDTs during processing.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If TDTs restrict temporal relationship types to achieve computational efficiency, then productivity increases, but measurement precision of temporal ordering deteriorates

Engineering Contradiction:
Improveprocessing speedVSAvoidtemporal ordering precision
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The patent implements a dynamic approach where the system can switch between using the simplified TDT structure for fast processing and the full temporal graph with all relation types when high precision is required. The system adaptively selects the appropriate representation based on the specific task requirements, allowing it to achieve both high productivity for routine tasks and high measurement precision for complex temporal reasoning tasks.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11170303B1Systems and methods for evaluating temporal dependency trees
Publication Date: 2021.11.09 FLORIDA INTERNATIONAL UNIVERSITY
  • US11170303B1 patent drawing
  • US11170303B1 patent drawing
  • US11170303B1 patent drawing

AI summary

Systems and methods for quantifying temporal indeterminacy of timelines are provided. Systems and methods can rely on solving temporal constraint problems to extract timelines and can calculate the temporal relation loss during timeline transformation and then identify the temporal indeterminate sections of extracted timelines from both timelines and temporal graphs to measure the total temporal information loss.