| Author(s) | Year | Focus | Key Insight | |-----------|------|-------|-------------| | Chen & Liu | 2020 | Tag parsing in adult video platforms | Demonstrated that regular expressions capture ~78 % of genre tags but struggle with concatenated performer names. | | García et al. | 2021 | Ethical considerations of adult‑content metadata | Emphasized privacy risks when performer identifiers are publicly searchable. | | Patel & Singh | 2022 | Quality assessment via “extra quality” labels | Found that “extra quality” correlates with higher resolution and professional post‑production. | | Zhou et al. | 2023 | Temporal markers in pornographic tags | Showed that numeric sequences often encode upload dates, aiding chronological filtering. |
The multi‑layered structure of tags enables fine‑grained filtering. For example, a query for “blackedraw” videos from featuring “Skylanove” and flagged as “extra quality” can be resolved through deterministic parsing rather than heuristic keyword matching. blackedraw171214skylanoveasingleinlaxx extra quality