Contextual Query Refinement Engine Using Cursor Position and Text Selection

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Solution Overview

Problem

Users often face challenges in formulating search queries that yield relevant results due to lack of knowledge about appropriate search terms, leading to inefficient search processes.

Innovation Solution

The system provides query refinements based on context, using a refinement engine that tokenizes search queries, maps tokens to potential refinements, and filters suggestions based on relevance and popularity, allowing users to refine their searches efficiently.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If users formulate search queries without sufficient knowledge of appropriate search terms, then the search process becomes inefficient and yields irrelevant results, but providing generic refinements based only on popularity does not account for contextual relevance

Engineering Contradiction:
Improvesearch result relevanceVSAvoidtime spent on search query formulation
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs preliminary analysis of the user's query context (including cursor position, selected text, and surrounding content) before generating refinements. This allows the system to pre-filter and pre-rank refinement suggestions based on contextual relevance, so that when refinements are presented to the user, they are already optimized for the specific search context rather than being generic popularity-based suggestions

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system uses feedback from user interactions (such as text selection, cursor positioning, and previous search behavior) to dynamically adjust and personalize refinement suggestions. This feedback loop enables the system to learn from user preferences and improve the relevance of suggested refinements over time, reducing the time users need to spend formulating effective search queries

Inventive Principle:
Principle #23Feedback

2Ease of operation

If the system provides refinements based solely on popularity without considering context, then the refinement process is simple and fast, but the suggestions may not be relevant to the user's specific search intent

Engineering Contradiction:
Improverefinement suggestion generationVSAvoidcontextual relevance of refinements
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The system applies local quality by analyzing specific portions of the query based on cursor position and text selection. Instead of treating the entire query uniformly, the system focuses refinement generation on the local context where the user has indicated interest (through selection or cursor placement), generating refinements that are specifically tailored to that local region while still considering the overall query context

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system segments the search query into distinct components (selected text, surrounding context, query structure) and processes each segment separately to generate targeted refinements. This segmentation allows the system to handle different parts of the query with appropriate refinement strategies, combining results to provide comprehensive yet contextually relevant suggestions

Inventive Principle:
Principle #1Segmentation

3Measurement precision

If the system analyzes cursor position and text selection to provide contextual refinements, then refinement accuracy improves, but the system complexity increases

Engineering Contradiction:
Improverefinement contextual accuracyVSAvoidsystem processing complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system extracts only the essential contextual elements needed for refinement generation (cursor position, selected text, and immediate surrounding context) rather than analyzing the entire search interface and all possible user states. This extraction approach reduces processing complexity while maintaining the ability to provide contextually accurate refinements by focusing on the most relevant signals

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS7917528B1Contextual display of query refinements
Publication Date: 2011.03.29 GOOGLE LLC
  • US7917528B1 patent drawing
  • US7917528B1 patent drawing
  • US7917528B1 patent drawing

AI summary

Systems and methods for providing refinements to queries based upon the context of a refinement indication. Refinements, for example, can be related to a previous search query and can be provided to the user based upon receipt of a refinement indication.