greeum 0.3.0

LLM-Independent Memory System with Multilingual Support

🧠 Greeum v0.3

An LLM-Independent Memory System with Multilingual Support

📌 Overview

Greeum (pronounced as "gree-um") is a universal memory module that can be attached to any LLM model, designed to:

• Track user's long-term utterances, goals, emotions, and intentions
• Recall memories relevant to the current context
• Process temporal reasoning in multiple languages
• Function as an "AI with memory"

The name "Greeum" is inspired by the Korean word "그리움" which evokes a sense of longing and remembrance - perfectly capturing the essence of a memory system.

🔑 Key Features

• Long-Term Memory Blocks: Blockchain-like structure for immutable memory storage
• Short-Term Memory Management: TTL (Time-To-Live) structure for fluid temporary memories
• Semantic Association: Keyword/tag/vector-based memory recall system
• Waypoint Cache: Automatically retrieves memories related to the current context
• Prompt Composition: Automatic generation of LLM prompts that include relevant memories
• Temporal Reasoning: Advanced time expression recognition in multiple languages
• Multilingual Support: Automatic language detection and processing for Korean, English, and more

⚙️ Installation

1. Clone the repository

   git clone https://github.com/DryRainEnt/Greeum.git
   cd Greeum
   

2. Install dependencies

   pip install -r requirements.txt
   

🧪 Usage

CLI Interface

# Add long-term memory
python cli/memory_cli.py add -c "I started a new project and it's really exciting"

# Search memories by keywords
python cli/memory_cli.py search -k "project,exciting"

# Search memories by time expression
python cli/memory_cli.py search-time -q "What did I do 3 days ago?" -l "auto"

# Add short-term memory
python cli/memory_cli.py stm "The weather is nice today"

# Retrieve short-term memories
python cli/memory_cli.py get-stm

# Generate a prompt
python cli/memory_cli.py prompt -i "How is the project going?"

REST API Server

# Run the API server
python api/memory_api.py

Web interface: http://localhost:5000

API Endpoints:

• GET /api/v1/health - Check status
• GET /api/v1/blocks - Retrieve block list
• POST /api/v1/blocks - Add a block
• GET /api/v1/search?keywords=keyword1,keyword2 - Search by keywords
• GET /api/v1/search/time?query=yesterday&language=en - Search by time expression
• GET, POST, DELETE /api/v1/stm - Manage short-term memory
• POST /api/v1/prompt - Generate prompts
• GET /api/v1/verify - Verify blockchain integrity

Python Library

from greeum import BlockManager, STMManager, CacheManager, PromptWrapper
from greeum.text_utils import process_user_input
from greeum.temporal_reasoner import TemporalReasoner

# Process user input
user_input = "I started a new project and it's really exciting"
processed = process_user_input(user_input)

# Store memory with block manager
block_manager = BlockManager()
block = block_manager.add_block(
    context=processed["context"],
    keywords=processed["keywords"],
    tags=processed["tags"],
    embedding=processed["embedding"],
    importance=processed["importance"]
)

# Time-based search (multilingual)
temporal_reasoner = TemporalReasoner(db_manager=block_manager, default_language="auto")
time_query = "What did I do 3 days ago?"
time_results = temporal_reasoner.search_by_time_reference(time_query)

# Generate prompt
cache_manager = CacheManager(block_manager=block_manager)
prompt_wrapper = PromptWrapper(cache_manager=cache_manager)

user_question = "How is the project going?"
prompt = prompt_wrapper.compose_prompt(user_question)

# Pass to LLM
# llm_response = call_your_llm(prompt)

🧱 Architecture

greeum/
├── greeum/                # Core library
│   ├── block_manager.py    # Long-term memory management
│   ├── stm_manager.py      # Short-term memory management
│   ├── cache_manager.py    # Waypoint cache
│   ├── prompt_wrapper.py   # Prompt composition
│   ├── text_utils.py       # Text processing utilities
│   ├── temporal_reasoner.py # Time-based reasoning 
│   ├── embedding_models.py  # Embedding model integration
├── api/                   # REST API interface
├── cli/                   # Command-line tools
├── data/                  # Data storage directory
├── tests/                 # Test suite

Branch Management

• main: Stable release version branch
• dev: Core feature development branch (merged to main after testing)
• test-collect: Performance metrics and A/B test data collection branch

📊 Performance Tests

Greeum conducts performance tests in the following areas:

T-GEN-001: Response Specificity Improvement Rate

• Measures response quality improvement when using Greeum memory
• Confirmed 18.6% average quality improvement
• Increase of 4.2 specific information points per response

T-MEM-002: Memory Search Latency

• Measures speed improvement through waypoint cache
• Confirmed 5.04x average speed improvement
• Up to 8.67x speed improvement for 1,000+ memory blocks

T-API-001: API Call Efficiency

• Measures reduction in follow-up questions due to memory-based context
• Confirmed 78.2% reduction in need for follow-up questions
• Cost savings from reduced API calls

📊 Memory Block Structure

{
  "block_index": 143,
  "timestamp": "2025-05-08T01:02:33",
  "context": "I started a new project and it's really exciting",
  "keywords": ["project", "start", "exciting"],
  "tags": ["positive", "beginning", "motivated"],
  "embedding": [0.131, 0.847, ...],
  "importance": 0.91,
  "hash": "...",
  "prev_hash": "..."
}

🔤 Supported Languages

Greeum supports time expression recognition in the following languages:

• 🇰🇷 Korean: Native support for Korean time expressions (어제, 지난주, 3일 전, etc.)
• 🇺🇸 English: Full support for English time formats (yesterday, 3 days ago, etc.)
• 🌐 Auto-detection: Automatically detects the language and processes accordingly

🔍 Temporal Reasoning Examples

# Korean
result = evaluate_temporal_query("3일 전에 뭐 했어?", language="ko")
# Returns: {detected: True, language: "ko", best_ref: {term: "3일 전"}}

# English
result = evaluate_temporal_query("What did I do 3 days ago?", language="en")
# Returns: {detected: True, language: "en", best_ref: {term: "3 days ago"}}

# Auto-detection
result = evaluate_temporal_query("What happened yesterday?")
# Returns: {detected: True, language: "en", best_ref: {term: "yesterday"}}

🔧 Project Extensions

• Enhanced Multilingual Support: Expanding to Japanese, Chinese, Spanish and more languages
• Embedding Improvements: Integration with real embedding models (e.g., sentence-transformers)
• Keyword Extraction Enhancement: Implementation of language-specific keyword extraction
• Cloud Integration: Addition of database backends (SQLite, MongoDB, etc.)
• Distributed Processing: Implementation of distributed processing for large-scale memory management

🌐 Website

Visit our website: greeum.app

📄 License

MIT License

👥 Contributing

We welcome all contributions including bug reports, feature suggestions, and pull requests!

📱 Contact

Email: [e-mail]