Sarba — Kompus 2017

Identifying sarcasm is one of the hardest tasks in AI because it requires understanding: Sarcasm often depends on what was said previously.

It relies on "self-annotation," where users explicitly mark their own sarcastic comments with a /s tag, ensuring the labels are highly accurate compared to manual annotation by third parties. Kompus 2017 Sarba

The way sarcasm is expressed varies across different social groups and platforms. Identifying sarcasm is one of the hardest tasks

You can find more detailed research on this corpus and its applications in the sarcasm identification systematic review on ResearchGate . [1704.05579] A Large Self-Annotated Corpus for Sarcasm Kompus 2017 Sarba

The "Sarba" part of your query appears to be a slight misspelling or phonetic variation of "Sarcasm" or "Sarc," the primary subject of that corpus. Overview of SARC (2017)