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ruhamds/--Amharic_E-commerce_Data_Extractor

Domaine:

natural language processing

Type de record:

project
Créateur:
ruh
HĂ´te:
# 🛒 EthioMart Telegram NER & Vendor Analytics This project extracts structured business insights from Amharic Telegram vendor posts to support inclusive **micro-lending**. It combines **Telegram data scraping**, **Named Entity Recognition (NER)**, **model interpretability (SHAP & LIME)**, and **vendor scoring analytics** into a complete NLP-driven fintech solution. --- ## 📦 Project Structure ├── data/ # Telegram data and labeled CoNLL files ├── models/ # Trained NER models (mBERT, etc.) ├── notebooks/ # Jupyter notebooks for each task ├── scripts/ # Python scripts for inference, scoring, labeling --- ## ✅ Tasks Summary ### Task 1: Data Ingestion & Preprocessing **Objective:** - Fetch messages from at least 5 Ethiopian Telegram e-commerce channels. - Extract text, images, and documents in real-time. - Preprocess text data for entity extraction. **Steps:** - Identify & connect to Telegram channels using Telethon. - Collect real-time data from vendors (text, views, timestamps). - OCR image-based content using Tesseract. - Normalize, tokenize, and structure the message content. --- ### Task 2: NER Data Labeling - Labeled **51 Amharic posts** in CoNLL format using a custom interface. - Entity tags: `B-Product`, `I-Product`, `B-PRICE`, `I-PRICE`, `B-LOC`, `I-LOC`, `O`. - Balanced distribution of tokens across label types (540 tokens total). --- ### Task 3: NER Model Fine-Tuning - Models trained: `xlm-roberta`, `distilbert`, and `mBERT`. - ✅ **Best model:** `mBERT` - Accuracy: `0.88` - F1 Score: `0.73` - Recall: `0.72` --- ### Task 4: Entity Inference on All Vendor Posts - Applied the fine-tuned NER model to extract: - **Product names** - **Prices (ETB)** - **Locations** - Enriched the full dataset with these structured fields. --- ### Task 5: Model Interpretability - Used: - **SHAP** — to visualize the token-level impact on predictions. - **LIME** — to explain sentence-level NER outputs. - Improved understanding and debugging of edge cases and token conf …