# A Information Retrieval Based on Question and Answering and NER for Unstructured Information Without Using SQL

> Research article (Wireless Personal Communications, 2019) · cited 27× · AI/ML

**Wikidata**: [openalex:W2944420250](https://www.wikidata.org/wiki/openalex:W2944420250)  
**Source**: https://4ort.xyz/entity/a-information-retrieval-based-on-question-and-answering-and-ner-for-unstructured-information-without-using-sql