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Building Scalable Multimodal Search Applications with Python — Zain Hasan
Learn how to build scalable search applications combining text, images & sensory data using Python & vector databases. Explore multimodal architectures, RAG & real-world examples.
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Multimodal search enables combining different types of data (text, images, audio, video) into unified vector spaces for more comprehensive search capabilities
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Vector databases preserve semantic meaning while enabling fast retrieval across billions of documents with sub-50ms latency
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Key applications include e-commerce product search/recommendations by combining product descriptions, images, and sensory data
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Multi-vector approach allows searching across different modalities (text, image, nutritional, brand vectors) independently and combining results
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Vector similarity search works by converting queries and documents into vectors and finding nearest neighbors in vector space
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Retrieval Augmented Generation (RAG) can be enhanced with multimodal context by adding images/video alongside text for better AI responses
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Different products may be purchased based on different sensory inputs (looks, descriptions, smell) - multimodal search helps capture this
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Current AI systems struggle with basic sensory/motor tasks (Moravec’s paradox) but excel at language/reasoning tasks
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Emerging research enables digitizing additional senses like smell to expand multimodal capabilities
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Companies like Google, OpenAI and Anthropic are moving from pure language models toward multimodal understanding
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Open source tools like Weaviate make it possible to build scalable multimodal search applications