What kinds of logical operators does wisdom tooth patent database support?

And operator, or operator, not operator, parenthesis operator. According to the patent database of official website, Wisdom Bud, four logical operators are supported: AND operator, or operator, NOT operator and bracket operator. Wisdom Bud was established on June 5438+ 10, 2007. It is a SaaS technology innovation information service provider, focusing on technology innovation information and intellectual property information services. Wisdom Bud provides big data intelligent services for technology companies, universities, scientific research institutions and financial institutions through artificial intelligence technologies such as machine learning, computer vision and natural language processing (NLP).