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title: UB Virtual Student Assistant
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emoji:
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colorFrom: pink
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sdk: docker
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pinned: false
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short_description:
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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title: UB Virtual Student Assistant (UB-VSA)
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emoji: 🎓
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colorFrom: pink
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sdk: docker
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pinned: false
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short_description: AI assistant for University at Buffalo students.
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---
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# UB Virtual Student Assistant (UB-VSA)
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**RAG-powered chatbot for UB admissions, visa & campus life questions**
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[](https://huggingface.co/spaces/TeamSAS/UB_VSA)
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[](Dockerfile) [](#license)
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UB-VSA is a **retrieval-augmented conversational agent** that gives accurate, source-grounded answers about the University at Buffalo, with special focus on the needs of international students (F-1/OPT, I-20, course selection, housing, etc.).
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It combines:
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| Layer | Tech |
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|-------|------|
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| **Retriever** | FAISS dense vectors (`BAAI/bge-small-en-v1.5`) + keyword hybrid search |
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| **Reranker** | `cross-encoder/ms-marco-MiniLM-L-6-v2` |
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| **Fine-tuning** | LoRA / QLoRA adapters on `microsoft/phi-1_5` with RAFT |
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| **API** | Flask (backend) |
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| **UI** | Flask (+ vanilla JS) single-page chat |
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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