2 results about "Logical representation" patented technology

Described herein embodiments of a query processing system. The query processing system optimizes execution by generating an optimized slot-based execution (SBE) plan for executing the query. The query processing system optimizes query execution by generating a logical representation of the query, optimizing the logical representation of the query, and translating the optimized logical representation of the query into an SBE plan. The query processing system then executes the SBE plan to generate the query results.

Disclosed are a method, device and storage medium for analyzing unstructured data. The method comprises: constructing a set of predefined standard semantic operators, each operator having a logical representation; receiving a natural language query input by a user as a query to be simplified; performing semantic analysis on the query to be simplified using a large language model to generate a logical representation thereof; screening candidate operators based on semantic similarity matching between the logical representation and the logical representations of the operators; reordering the candidate operators; applying the candidate operators to simplify the query in turn until the simplification is successful; and constructing and executing a plan according to the query simplification process when it is determined that the query after the current simplification is a minimum semantic unit that cannot be further decomposed. The application significantly reduces the technical threshold for unstructured data analysis and improves query efficiency and accuracy through automated plan generation and optimization.