# Extracting invariant characteristics of sketch maps: Towards place query‐by‐sketch

> Research article (Transactions in GIS, 2020) · cited 14× · AI/ML

**Wikidata**: [openalex:W3034254944](https://www.wikidata.org/wiki/openalex:W3034254944)  
**Source**: https://4ort.xyz/entity/extracting-invariant-characteristics-of-sketch-maps-towards-place-querybysketch