PubMed uses multiple state-of-the-art machine-learning algorithms to decipher your keywords and make the best search possible. For most basic searches, you will not need to use quotations around phrases or Boolean operators. Features include:
- Best Match sort order places the most relevant citations at the top of your results list.
- Automatic term mapping applies alternative terms.
- Advanced Character mapping allows the use of characters in search strings
- Spell-checking
- Predictive keywords try to anticipate your keywords as you type.
- Citation sensor helps find known articles by deciphering terms that may contain characteristics of citation searching, Ex. author names, journal titles (full or abbreviated), publication dates, and article titles.
- MeSH (Medical Subject Headings) - a searchable, mapped controlled vocabulary thesaurus
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