COVID-19 Open Research Dataset (CORD-19),

anyone gets a chance to have a go at using this pls share experiences
thanks
What is this

This a power-tool for performing *extractive* search, using various query
modes. It allows a level of query expressivity and control that is
substantially more powerful than existing search solutions.

This tool searches over the COVID-19 Open Research Dataset (CORD-19)
<https://pages.semanticscholar.org/coronavirus-research>, a free resource
of over 50K scholarly articles about COVID-19 and related coronaviruses
provided by AI2's Semantic Scholar <https://www.semanticscholar.org/>
 project.

Check out our guide
<https://spike.covid-19.apps.allenai.org/md/covid-search-help> and examples
<https://spike.covid-19.apps.allenai.org/md/covid-usage-examples> for more
detailed information (also available via the Help link above). a free
resource of over 50K scholarly articles about COVID-19 and related
coronaviruses provided by AI2's Semantic Scholar
<https://www.semanticscholar.org/> project.

Check out our guide
<https://spike.covid-19.apps.allenai.org/md/covid-search-help> and examples
<https://spike.covid-19.apps.allenai.org/md/covid-usage-examples> for more
detailed information (also available via the Help link above).
https://spike.covid-19.apps.allenai.org/search/covid19