: Some automated systems or repositories (like arXiv or ResearchGate ) export bibliographical data or full-text extractions as .txt files named after the publication year and ID. Other Potential "Deep" Papers

The ".txt" suffix often appears in two scenarios regarding academic papers:

: Expert Systems with Applications , Volume 41, Issue 3, pages 853–860 , 2014.

If you are looking for a paper specifically titled "Deep..." or involving deep learning from that era, you might be referring to: