Product Whitepaper
Last updated
Last updated
Version 1.0 | March 2025
In today's information-rich environment, organizations face unprecedented challenges in extracting meaningful insights from complex documents. Qwello addresses this challenge by providing a sophisticated knowledge processing platform that transforms documents into interactive, queryable knowledge graphs. By combining advanced PDF processing capabilities with state-of-the-art AI models, Qwello enables users to unlock the knowledge trapped in their documents, making it accessible, searchable, and actionable.
Qwello's unique approach leverages multiple AI models, including Grok and Claude, to process documents through a sophisticated pipeline that extracts text, identifies entities and relationships, and generates comprehensive knowledge graphs. These graphs can then be visualized, queried, and analyzed to reveal insights that would otherwise remain hidden in lengthy documents.
The platform offers two primary methods for knowledge acquisition: direct document upload and web search integration. Users can either upload their own documents or leverage Qwello's search capabilities to find and analyze relevant documents from across the web, providing unprecedented flexibility in knowledge discovery.
This whitepaper outlines Qwello's capabilities, architecture, and implementation, demonstrating how it can transform document analysis and knowledge discovery for research, business intelligence, and decision-making processes.
Introduction
Key Features and Capabilities
System Architecture
PDF Processing Pipeline
Knowledge Graph Generation
AI Model Integration
User Interface and Visualization
Use Cases
Implementation and Deployment
Future Roadmap
Conclusion
Organizations across industries are drowning in documents. Research papers, technical documentation, legal contracts, financial reports, and other complex documents contain valuable information that is often difficult to extract, connect, and utilize effectively. Traditional document processing approaches suffer from several limitations:
Information Silos: Knowledge remains trapped within individual documents, making it difficult to see connections across multiple sources.
Limited Search Capabilities: Keyword searches fail to capture semantic relationships and contextual understanding.
Manual Processing Overhead: Extracting insights from complex documents requires significant human effort and expertise.
Inconsistent Analysis: Manual document review leads to subjective interpretations and missed connections.
Scaling Limitations: As document volumes grow, manual analysis becomes increasingly impractical.
Knowledge Discovery Challenges: Finding relevant documents across the vast expanse of the internet is time-consuming and often yields incomplete results.
Qwello transforms how organizations interact with their documents by providing a comprehensive platform for document analysis, knowledge extraction, and insight generation. At its core, Qwello converts documents into knowledge graphs—structured representations of entities and relationships that can be visualized, queried, and analyzed.
Key differentiators of the Qwello platform include:
Advanced PDF Processing: Sophisticated pipeline for converting PDF documents into structured knowledge.
Multi-Model AI Approach: Integration of multiple specialized AI models for optimal results at each processing stage.
Interactive Knowledge Graphs: Visual representation of document knowledge with powerful query capabilities.
Scalable Architecture: Parallel processing capabilities to handle documents of any size and complexity.
Comprehensive Reports: AI-generated analytical reports that summarize key insights from knowledge graphs.
Dual Knowledge Acquisition: Both direct document upload and web search integration for maximum flexibility.
By transforming static documents into dynamic knowledge graphs, Qwello enables organizations to:
Discover hidden connections across document collections
Answer complex questions about document content
Generate insights that would otherwise remain obscured
Make more informed decisions based on comprehensive document analysis
Efficiently find and analyze relevant documents from across the web
Qwello's PDF processing capabilities form the foundation of its document analysis system:
Robust PDF Handling: Process PDFs of various sizes, layouts, and complexities.
Image-Based Processing: Convert PDF pages to optimized images for AI analysis.
Text Extraction: Extract structured text while preserving document layout and formatting.
Table Recognition: Identify and preserve tabular data structures.
Mathematical Formula Support: Recognize and extract mathematical expressions.
Multi-Language Support: Process documents in multiple languages.
Qwello transforms document content into comprehensive knowledge graphs:
Entity Extraction: Identify key concepts, people, organizations, locations, and other entities.
Relationship Identification: Determine connections between entities based on document context.
Entity Resolution: Recognize when different mentions refer to the same entity across pages.
Attribute Assignment: Extract and assign relevant attributes to entities and relationships.
Cross-Document Connections: Identify relationships between entities across multiple documents.
Metadata Integration: Incorporate document metadata into the knowledge graph.
Qwello provides powerful visualization tools for exploring knowledge graphs:
Force-Directed Graph Layout: Intuitive visualization of entities and relationships.
Interactive Navigation: Zoom, pan, and explore the knowledge graph.
Entity Filtering: Filter by entity type, relationship type, or other attributes.
Search Capabilities: Find specific entities or relationships within the graph.
Detail Views: Examine detailed information about selected entities and relationships.
Customizable Display: Adjust visualization parameters for optimal viewing.
Qwello leverages advanced AI models for sophisticated document analysis:
Multi-Model Integration: Specialized models for different processing stages.
Vision AI: Extract text and structure from document images.
Language AI: Generate knowledge graphs from extracted text.
Large Context Processing: Analyze extensive knowledge graphs for insights.
Fallback Mechanisms: Ensure processing reliability with model redundancy.
Continuous Improvement: Regular model updates to enhance capabilities.
Qwello's search capabilities enable users to find and analyze relevant documents from across the web:
Query-Based Search: Enter natural language queries to find relevant documents.
SERP API Integration: Leverage Google search results through SERP API.
Automatic Document Collection: Identify and collect relevant PDFs from search results.
Format Support: Process various document formats including PDF, DOC, DOCX, RTF, TEX, and TXT.
Seamless Processing: Apply the same sophisticated processing pipeline to search results.
Integrated Results: Combine search findings with knowledge graph insights.
Qwello generates comprehensive reports based on knowledge graph analysis:
Executive Summaries: High-level overviews of key document insights.
Entity Analysis: Detailed examination of important entities and concepts.
Relationship Mapping: Analysis of significant connections between entities.
Topic Clustering: Identification of related concept groups and themes.
Statistical Overview: Quantitative analysis of knowledge graph structure.
Recommendations: Suggested areas for further exploration or clarification.
Qwello implements a modern, scalable architecture designed for performance, reliability, and extensibility. The system comprises several key components that work together to deliver a seamless document processing and knowledge discovery experience.
Frontend Application
The Qwello frontend is built with React and TypeScript, providing a responsive and intuitive user interface:
React Framework: Component-based architecture for efficient UI development
TypeScript Integration: Enhanced type safety and developer experience
Responsive Design: Optimized for various screen sizes and devices
Interactive Visualization: Powered by vis-network.js for knowledge graph exploration
Real-Time Updates: WebSocket integration for processing status updates
Thread Interface: Intuitive interface for creating new search or upload threads
Backend Server
Qwello's backend is built on NestJS, a progressive Node.js framework:
Modular Architecture: Organized into functional modules for maintainability
Dependency Injection: Clean, testable code with clear separation of concerns
TypeScript Support: Strong typing for enhanced code quality and reliability
RESTful API: Well-defined endpoints for frontend communication
WebSocket Support: Real-time communication for progress updates
SERP Integration: Connectivity with search engine results via SERP API
AI Integration
Qwello integrates with multiple AI models through Cloudflare's AI platform:
Model Selection: Appropriate models for different processing stages
Fallback Mechanisms: Automatic switching to alternative models when needed
Rate Limiting: Intelligent handling of API rate limits
Error Recovery: Robust error handling with retry mechanisms
Context Management: Efficient handling of context for large documents
Search Integration
Qwello integrates with SERP API to provide powerful web search capabilities:
Query Processing: Convert user queries into effective search parameters
Result Filtering: Identify and select relevant document results
Document Collection: Retrieve documents from search results
Format Handling: Process various document formats from search results
Pipeline Integration: Feed collected documents into the processing pipeline
Data Storage
Qwello uses a combination of storage solutions for different data types:
MongoDB: Document database for knowledge graphs and metadata
AWS S3: Object storage for PDF documents and images
Redis: In-memory data store for caching and job queue management
Job Processing
Qwello implements a sophisticated job processing system for handling document processing tasks:
BullMQ: Redis-based queue for reliable job processing
Worker Pool: Parallel processing of document pages
Job Prioritization: Intelligent scheduling of processing tasks
Progress Tracking: Real-time monitoring of job status
Error Handling: Robust recovery from processing failures
Qwello's backend is organized into functional modules:
This modular structure enables:
Separation of Concerns: Each module handles a specific aspect of functionality
Code Reusability: Common components can be shared across modules
Maintainability: Changes to one module don't affect others
Testability: Modules can be tested independently
Scalability: Modules can be deployed separately if needed
Qwello's PDF processing pipeline is a sophisticated multi-stage system that transforms PDF documents into structured knowledge graphs. This pipeline leverages advanced AI models and parallel processing to efficiently handle documents of any size and complexity.
Qwello provides two primary methods for acquiring documents:
1. Direct PDF Upload
Users can upload PDF documents directly to the platform:
File Selection: Choose files from local storage
Drag and Drop: Intuitive drag-and-drop interface
Size Limits: Support for a document up to 30MB
2. Web Search Integration
Users can search for relevant documents across the web:
Query Input: Enter natural language queries in the "New Thread" interface
SERP API: Search Google for relevant documents using SERP API
Automatic Collection: Retrieve and process relevant documents from search results
Seamless Processing: Apply the same processing pipeline to collected documents
1. PDF Upload and Validation
The pipeline begins with document upload and validation:
File Validation: Verify PDF format and check for corruption
Size Verification: Ensure the document is within size limits (up to 30MB)
Page Count Determination: Identify the number of pages for processing planning
Metadata Extraction: Extract document metadata for later reference
Storage: Save the original PDF to AWS S3 for persistence
2. Image Conversion
The PDF is converted to optimized images for AI processing:
Page Extraction: Convert each PDF page to a separate image
Image Optimization: Apply "Heavy L3" optimization for optimal AI processing
Aspect Ratio Preservation: Maintain the original document proportions
Parallel Processing: Convert multiple pages simultaneously for efficiency
3. Text Extraction
Images are processed by AI vision models to extract structured text:
Vision AI Processing: Use Grok Vision model to analyze page images
Text Recognition: Extract text while preserving layout and formatting
Structure Preservation: Maintain headings, paragraphs, lists, and tables
Markdown Conversion: Convert extracted content to structured markdown
Page Boundary Marking: Clearly mark page transitions for reference
4. Knowledge Graph Generation
Extracted text is analyzed to generate a knowledge graph:
Entity Identification: Recognize key concepts, people, organizations, etc.
Entity Classification: Assign appropriate types to identified entities
Relationship Extraction: Determine connections between entities
Attribute Assignment: Extract relevant attributes for entities and relationships
JSON Structure Creation: Format the knowledge graph in a structured JSON format
5. Graph Merging
Individual page graphs are merged into a unified knowledge graph:
Entity Resolution: Identify when entities across pages refer to the same concept
ID Mapping: Create consistent entity IDs across the document
Attribute Consolidation: Combine attributes from multiple mentions
Relationship Deduplication: Remove redundant relationships
Page Reference Tracking: Maintain references to original page locations
6. Report Generation
The final knowledge graph is analyzed to generate comprehensive reports:
Graph Analysis: Process the complete knowledge graph for insights
Large Graph Chunking: Break down large graphs for efficient processing
Context-Aware Analysis: Maintain semantic continuity across report sections
Markdown Formatting: Generate well-structured, readable reports
Storage and Indexing: Save reports for later retrieval and reference
Qwello implements a worker-based parallel processing architecture for efficient document handling:
Key aspects of this architecture include:
Worker Pool: Multiple workers process different pages simultaneously
Task Distribution: Pages are assigned to workers based on availability
Resource Management: Worker count adapts to available system resources
Progress Tracking: Real-time monitoring of processing status
Result Collection: Processed pages are collected for merging
Error Handling: Failed tasks are retried or redirected to fallback processors
This parallel architecture enables Qwello to process large documents efficiently, with processing time scaling linearly with document size rather than exponentially.
At the heart of Qwello's capabilities is its sophisticated knowledge graph generation system. This system transforms document content into structured, interconnected knowledge that can be visualized, queried, and analyzed.
Qwello generates knowledge graphs with a clear, consistent structure:
Qwello recognizes and classifies entities into various types:
Concept: Abstract ideas, theories, or principles
Person: Individual people mentioned in the document
Organization: Companies, institutions, or groups
Location: Physical places or geographical regions
Technology: Technical systems, tools, or methodologies
Method: Processes, procedures, or techniques
Event: Occurrences or happenings with temporal aspects
Document: References to other documents or publications
Product: Specific products or offerings
Time: Temporal references or time periods
One of Qwello's key strengths is its sophisticated entity resolution system, which identifies when different mentions refer to the same underlying entity:
Name Matching: Compare entity names for exact or fuzzy matches
Acronym Resolution: Recognize acronyms and their expanded forms
Contextual Analysis: Use surrounding context to disambiguate similar entities
Attribute Comparison: Compare entity attributes for similarity
Reference Pattern Analysis: Analyze how entities are referenced throughout the document
When entities are resolved as referring to the same concept, their attributes and relationships are merged, creating a more comprehensive representation of the entity.
Qwello identifies various types of relationships between entities:
Hierarchical: Parent-child, superclass-subclass relationships
Associative: General connections between entities
Temporal: Time-based relationships (before, after, during)
Causal: Cause-effect relationships
Spatial: Location-based relationships
Functional: Relationships based on function or purpose
Compositional: Part-whole relationships
Each relationship is assigned a specific type and may include additional attributes that provide context or qualification.
Qwello's graph merging algorithm combines individual page graphs into a unified knowledge graph:
Entity Mapping: Create a mapping between page-level entity IDs and master graph IDs
Entity Resolution: Determine which entities refer to the same concept
Attribute Merging: Combine attributes from multiple mentions of the same entity
Relationship Consolidation: Merge relationships that connect the same entities
Page Reference Tracking: Maintain references to original page locations
Consistency Checking: Ensure the resulting graph maintains logical consistency
This merging process creates a comprehensive knowledge graph that represents the entire document while preserving the context and provenance of each entity and relationship.
After the initial graph is generated, Qwello applies several enrichment processes:
Source Attribution: Link entities and relationships to their source locations
External Knowledge Integration: Enhance entities with external knowledge when available
Hierarchical Organization: Identify and represent hierarchical structures
Topic Clustering: Group related entities into topical clusters
These enrichment processes enhance the value and utility of the knowledge graph, making it more useful for analysis and insight generation.
Qwello leverages multiple specialized AI models to achieve optimal results at different stages of the document processing pipeline. This multi-model approach ensures high-quality results while providing fallback options for reliability.
Grok Vision Model
Model: x-ai/grok-2-vision-1212
Purpose: Convert document images to structured text
Capabilities:
Layout recognition and preservation
Table structure identification
List formatting maintenance
Mathematical formula handling
Hierarchical heading recognition
Multi-language text extraction
Input: Base64-encoded page images
Output: Structured markdown text
Grok Language Model
Model: x-ai/grok-2-1212
Purpose: Generate knowledge graphs from extracted text
Capabilities:
Entity extraction and classification
Relationship identification
Attribute assignment
Context understanding
Semantic analysis
Structured output generation
Input: Markdown text from document pages
Output: JSON-structured knowledge graph
DeepSeek Model
Model: deepseek/deepseek-r1
Purpose: Analyze large knowledge graphs and generate reports
Capabilities:
Large context processing (up to 30,000 tokens)
Comprehensive analysis of complex graphs
Insight generation and summarization
Structured report creation
Recommendation formulation
Input: Complete or chunked knowledge graph
Output: Markdown-formatted analytical report
Claude Vision Model
Model: anthropic/claude-3.7-sonnet
Purpose: Fallback for image-to-text conversion
Activation: When Grok Vision encounters rate limits or errors
Capabilities: Similar to Grok Vision but with different strengths and limitations
Integration: Seamless fallback with consistent input/output format
Claude Language Model
Model: anthropic/claude-3.7-sonnet
Purpose: Fallback for knowledge graph generation
Activation: When Grok Language encounters rate limits or errors
Capabilities: Similar to Grok Language but with different strengths and limitations
Integration: Seamless fallback with consistent input/output format
Qwello implements a sophisticated AI integration architecture through its Cloudflare AI provider:
Provider Resolution: Determine the appropriate AI provider for the request
Model Selection: Choose the optimal model for the specific task
Request Formatting: Prepare the input in the format expected by the model
API Communication: Send the request to the Cloudflare AI endpoint
Response Processing: Parse and validate the model's response
Error Handling: Detect and address any issues with the response
Fallback Activation: Switch to fallback models when necessary
This architecture ensures reliable AI processing even in the face of rate limits, temporary outages, or other challenges.
Qwello uses carefully crafted prompts to guide AI models:
Vision Model Prompt
Knowledge Graph Prompt
These carefully engineered prompts ensure consistent, high-quality outputs from the AI models, guiding them to produce results in the exact format required by subsequent processing stages.
Qwello provides a sophisticated user interface that makes complex knowledge graphs accessible and intuitive to explore. The interface combines powerful visualization capabilities with intuitive controls for filtering, searching, and analyzing document content.
At the core of Qwello's interface is its interactive knowledge graph visualization:
Example visualization of a knowledge graph about quantum computing
The visualization is powered by vis-network.js, a library for network visualization that provides:
Force-Directed Layout: Automatically arranges entities and relationships for optimal viewing
Interactive Navigation: Zoom, pan, and drag capabilities for exploring the graph
Node Selection: Click on entities to view detailed information
Edge Highlighting: Hover over relationships to see connection details
Customizable Appearance: Color-coding based on entity and relationship types
Performance Optimization: Efficient rendering of large graphs with thousands of nodes
Qwello uses a consistent color scheme to distinguish different entity types:
Concept: Blue (#4285F4)
Person: Red (#EA4335)
Organization: Yellow (#FBBC05)
Location: Green (#34A853)
Technology: Purple (#9C27B0)
Method: Orange (#FF9800)
Event: Brown (#795548)
Document: Blue Grey (#607D8B)
Product: Cyan (#00BCD4)
Time: Pink (#E91E63)
This color coding makes it easy to visually identify different types of entities within the knowledge graph.
Thread Interface
Qwello's thread interface provides a streamlined way to create and manage document analysis sessions:
New Thread Creation: Create a new analysis thread via the "+ New Thread" button
Dual Input Methods: Choose between document upload or web search
Query Input: Enter natural language queries for web search
Search Initiation: Click the green arrow to initiate search
Thread History: Access previous analysis threads
Thread Organization: Group related threads for better organization
Graph Controls
The interface provides several controls for interacting with the knowledge graph:
Zoom Controls: Buttons for zooming in and out of the graph
Fit Button: Automatically adjust the view to show the entire graph
Layout Options: Different layout algorithms for various graph structures
Export Options: Save the graph as an image or download the data
Entity Filters
Users can filter the graph based on various criteria:
Entity Type Filter: Show/hide entities of specific types
Relationship Type Filter: Show/hide specific types of relationships
Minimum Connections Filter: Show only entities with a minimum number of connections
Search Filter: Show only entities matching a search term
Entity Details Panel
When a user selects an entity, a details panel displays comprehensive information:
Entity Name and Type: Basic identification information
Description: Detailed description of the entity
Attributes: All attributes associated with the entity
Page References: Links to pages where the entity is mentioned
Connected Entities: List of entities connected to the selected entity
Relationships: Details of relationships involving the entity
Search Functionality
Qwello provides powerful search capabilities:
Full-Text Search: Search across all entity names and descriptions
Type-Specific Search: Limit search to specific entity types
Attribute Search: Search within entity attributes
Relationship Search: Find specific types of relationships
Advanced Queries: Combine multiple search criteria
Report View
In addition to the graph visualization, Qwello provides a structured report view:
Executive Summary: High-level overview of the document content
Key Entities: Analysis of the most important entities
Relationship Analysis: Examination of significant connections
Topic Clusters: Identification of related concept groups
Statistical Overview: Quantitative analysis of the knowledge graph
Recommendations: Suggested areas for further exploration
Qwello's interface is designed to work across different devices and screen sizes:
Desktop Optimization: Full-featured experience for large screens
Tablet Support: Adjusted layout for medium-sized screens
Mobile Adaptations: Essential functionality preserved on small screens
Adaptive Controls: Interface elements that adjust to available space
Touch Support: Gesture recognition for touch-enabled devices
Qwello implements several accessibility features:
Keyboard Navigation: Full keyboard control of the interface
Screen Reader Support: ARIA attributes for screen reader compatibility
High Contrast Mode: Enhanced visibility for users with visual impairments
Text Scaling: Support for browser text size adjustments
Focus Indicators: Clear visual indicators for keyboard focus
For more information about Qwello, please contact:
Qwello, Inc. Website: https://qwello.ai
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