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arXiv · 2302.12178

A Scalable Space-efficient In-database Interpretability Framework for Embedding-based Semantic SQL Queries

Prabhakar Kudva·Rajesh Bordawekar·Apoorva Nitsure
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Abstract

AI-Powered database (AI-DB) is a novel relational database system that uses a self-supervised neural network, database embedding, to enable semantic SQL queries on relational tables. In this paper, we describe an architecture and implementation of in-database interpretability infrastructure designed to provide simple, transparent, and relatable insights into ranked results of semantic SQL queries supported by AI-DB. We introduce a new co-occurrence based interpretability approach to capture relationships between relational entities and describe a space-efficient probabilistic Sketch implementation to store and process co-occurrence counts. Our approach provides both query-agnostic (global) and query-specific (local) interpretabilities. Experimental evaluation demonstrate that our in-database probabilistic approach provides the same interpretability quality as the precise space-inefficient approach, while providing scalable and space efficient runtime behavior (up to 8X space savings), without any user intervention.

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Prabhakar Kudva, Rajesh Bordawekar, Apoorva Nitsure. 2023-02-23. A Scalable Space-efficient In-database Interpretability Framework for Embedding-based Semantic SQL Queries. https://arxiv.org/abs/2302.12178

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