Stemming Field with AND

Example

>>> from pprint import pprint
>>> from techminer2.database.field_extractors import StemmingAndExtractor

>>> # Creates, configures, and runs the extractor
>>> extractor = (
...     StemmingAndExtractor()
...     #
...     # FIELD:
...     .with_field("raw_author_keywords")
...     #
...     # SEARCH:
...     .having_pattern(
...         [
...             "financial technology",
...             "artificial intelligence",
...         ],
...     )
...     #
...     # DATABASE:
...     .where_root_directory_is("example/")
...     .where_database_is("main")
...     .where_record_years_range_is(None, None)
...     .where_record_citations_range_is(None, None)
... )
>>> terms = extractor.run()

>>> # Print the first 10 extracted terms
>>> pprint(terms[:10])
['ARTIFICIAL_INTELLIGENCE',
 'FINANCIAL_TECHNOLOGY',
 'FINANCIAL_TECHNOLOGY (FINTECH)']