Omkar2118/datasets huggingface dataset:
IBM Debater Mention Detection Benchmark

This dataset contains general and named entities annotations on both clean written text and on noisy speech data. 
It includes 1000 sentences from Wikipedia and 1000 sentences of speech data that appear in two forms: (1) transcribed manually, and (2) the output of an ASR engine. 
Each of the datasets includes a total of around 6500 mentions linked to there DBPedia pages.

Introducing paper: What did you Mention? A Large Scale Mention Detection Benchmark for Spoken and Written Text