Data Party THU

Sep 3, 2026 · Databases

Sonar-TS: Training-Free Natural Language Querying for Massive Time Series Databases

Sonar-TS introduces a training-free framework for natural language querying of massive time series databases, defining the new NLQ4TSDB problem, creating the NLQTSBench benchmark, and using a search-then-verify approach with symbolic indexing and code-based verification to find pattern matches across millions of data points.