Final answer:
LexisNexis Academic is the customized service provided by LexisNexis to academic institutions and public libraries, which includes a comprehensive database of citations, abstracts, and full-text articles.
Step-by-step explanation:
The service LexisNexis offers to academic institutions and public libraries which is a customized version of its services is called LexisNexis Academic. This comprehensive database indexes citations, abstracts, and full-text articles from journals, books, reports, and conference proceedings across all disciplines. Access to LexisNexis Academic enables users to retrieve full-text articles in PDF and HTML forms, making it a valuable resource for college and university libraries.