Context-Aware NLP Model Using Weighted User Profiles

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Solution Overview

Problem

Natural language processing (NLP) systems fail to provide contextually relevant responses as they do not adequately account for the user's context, leading to inaccurate or irrelevant results.

Innovation Solution

A computer-implemented method that identifies and accounts for a user's context by associating weighted scores to candidate results based on factors like location, profession, skill level, and education, and continuously updates the user profile and NLP model in real-time to provide contextually relevant answers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional NLP systems process queries without user context, then system complexity remains low, but response relevance and accuracy deteriorate

Engineering Contradiction:
Improveresponse accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by continuously updating the user profile in real-time before processing NLP queries. Context information from multiple sources (GPS, sensors, text) is collected and integrated in advance, so that when a query arrives, the NLP model already has access to current user context, improving response accuracy without adding complexity to the query processing itself

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

A user profile acts as an intermediary between raw context data and the NLP processing system. The profile integrates information from diverse sources (location, sensors, text) and presents it in a standardized format that the NLP model can utilize, bridging the gap between complex data collection and simple query processing

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If NLP systems incorporate multiple context sources, then response relevance improves, but information processing complexity increases

Engineering Contradiction:
Improvecontext adaptabilityVSAvoiddata processing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The user profile serves as a universal data structure that can accommodate multiple types of context information (location from GPS, sensor data, text information) in a unified format. This multi-functional profile handles diverse data sources through a single integration mechanism, improving context adaptability while managing processing complexity through standardization

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Measurement precision

If NLP models are updated in real-time based on user context, then response precision improves, but computational resource consumption increases

Engineering Contradiction:
Improveresponse precisionVSAvoidcomputational energy
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The system applies partial action by selectively updating only the portions of the user profile that are relevant to the current query context. Rather than continuously retraining or fully updating the NLP model with all possible context information, the system performs targeted updates based on what is immediately useful, improving response precision while reducing unnecessary computational energy consumption

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS11416686B2Natural language processing based on user context
Publication Date: 2022.08.16 INTERNATIONAL BUSINESS MACHINE CORPORATION
  • US11416686B2 patent drawing
  • US11416686B2 patent drawing
  • US11416686B2 patent drawing

AI summary

Techniques for natural language processing based on user context include identifying a context of a user and responsive to receiving a request from the user intended for processing by a natural language processing (NLP) model, accounting for the context of the user in relation to the request. A result from the NLP model having accounted for the context of the user is provided.