
The MapScaping Podcast - GIS, Geospatial, Remote Sensing, earth observation and digital geography
Semantic Search For Geospatial
Jul 10, 2024
Researcher Dominik Weckmüller discusses semantic search using embeddings to analyze text with geographic references. Topics include using deep learning models, creating embeddings, challenges in explainability, and the future of embeddings in different media and languages.
50:39
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Quick takeaways
- Embeddings condense textual data into numerical representations for advanced searches.
- Embeddings help maintain privacy when analyzing text data, while still providing meaningful insights.
Deep dives
Understanding embeddings in semantic search
Semantic search involves the concept of embeddings, also known as vector representations, which play a crucial role in understanding AI. Embeddings condense input data into numerical representations, making it easier to analyze complex textual data with geospatial references. Algorithms like HyperLogLog analyze social media data, counting distinct user interactions to reveal insights into various topics like urban green spaces and user behaviors.
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