Learnable Position Vectors for Molecular Property Prediction

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Solution Overview

Problem

Existing molecular property prediction methods, such as density functional theory and semi-empirical methods, face challenges with high computational costs or low accuracy, limiting their effectiveness in new drug research and material design.

Innovation Solution

A vector generation method that performs learnable processing on current position vectors in a mapping table to obtain learnable position vectors, which are then used to update and improve the accuracy of molecular property predictions through neural networks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If density functional theory or first principle methods are used for molecular property prediction, then prediction accuracy is improved, but computational cost increases significantly

Engineering Contradiction:
Improveprediction accuracyVSAvoidcomputational cost
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The patent transforms molecular properties into vector representations and uses learnable position vectors to encode spatial relationships. By changing the parameter representation from raw molecular data to learned vector embeddings, the model achieves high prediction accuracy with significantly reduced computational cost compared to first-principles methods.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces complex quantum mechanical calculations (density functional theory) with a neural network-based vector generation model. This substitution uses learnable position vectors and neural network processing to predict molecular properties, achieving comparable accuracy to quantum methods but with much lower computational requirements.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If semi-empirical methods are used for molecular property prediction, then computational speed is improved, but prediction accuracy decreases

Engineering Contradiction:
Improvecomputational speedVSAvoidprediction accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The patent introduces learnable position vectors that are trained to capture complex molecular spatial relationships. By transforming the input representation and using learned parameters instead of fixed semi-empirical approximations, the model achieves higher prediction accuracy while maintaining the computational efficiency of neural network-based approaches.

Inventive Principle:
Principle #35Parameter changes

3Measurement precision

If complex neural network models are used to simulate non-linearity, then prediction accuracy is improved, but model complexity increases

Engineering Contradiction:
Improveprediction accuracyVSAvoidmodel complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent segments the molecular property prediction task into distinct vector generation components, where learnable position vectors handle spatial relationships and neural networks handle property prediction. This segmentation allows the model to capture non-linearity effectively while maintaining modularity and reducing overall model complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces learnable position vectors as an intermediary representation between raw molecular data and final property predictions. These vectors serve as a bridge that encodes complex spatial relationships in a compact form, reducing the complexity of subsequent neural network processing while maintaining prediction accuracy.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS20250210152A1Vector generation method and apparatus, data processing method and apparatus, and storage medium
Publication Date: 2025.06.26 LEMON INC(GB)
  • US20250210152A1 patent drawing
  • US20250210152A1 patent drawing
  • US20250210152A1 patent drawing

AI summary

The present disclosure provides a vector generation method, a data processing method, a vector generation apparatus, a data processing apparatus, and a non-transitory computer-readable storage medium. The vector generation method includes: performing learnable processing on N current position vectors in a mapping table to obtain N learnable position vectors, where N is a positive integer; and updating the N current position vectors with the N learnable position vectors.