# Sentence Boundary Detection

> Source: https://sukruyusufkaya.com/en/glossary/sentence-boundary-detection
> Updated: 2026-05-13T21:06:04.715Z
> Type: glossary
> Category: dogal-dil-isleme
**TLDR:** The task of reliably identifying sentence starts and boundaries in text.

<p>Sentence boundary detection is crucial in languages and document types where punctuation does not always mark a true sentence ending. Abbreviations, bullet lists, technical documents, and dialogue data make this task difficult. Strong sentence segmentation has cascading quality effects in summarization, chunking, NER, and document understanding pipelines.</p>