Even though we encourage researchers to use library databases to find resources, we realize that people don’t stay in school forever. For this reason it’s important to know about where to look for quality, open access resources. Authors might publish open access materials in an institutional repository, open access journal, or on a personal website. Fortunately, there are search engines that process data from these sources and simplify the search process!
We tested out three open access search engines to see how effective they are: BASE, CORE, and OAIster.
BASE (Bielefeld Academic Search Engine) BASE harvests and indexes metadata from repositories that use Open Archives Initiative Protocol for Metadata Harvesting. BASE Search provides access to more than 40 million articles from more than 2,400 sources. BASE is also a registered OAI Service Provider.
Author name searches were successful in providing academic, open access items.
CORE (Connecting Repositories) Core Portal allows you to search and navigate scientific publications aggregated from a wide range of Open Access repositories.CORE lists 281 repositories as having been harvested.
We got poor return rates on entering author names in the search field, maybe because the collection is not as extensive as BASE. Keyword Searches were more successful.
OAISter-OAIster harvest open access metadata: it includes more than 25 million records from more than 1,100 sources. We had better return on author searches in OAIster Database than CORE, but we still had the most success in BASE. This could be because BASE has harvested more sources. Another interesting discovery is that author searches in BASE and OAIster yielded different sources…although there is no one stop shopping in open access searching, you still have some good options!