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- Apr 2022
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Open Knowledge Maps, meanwhile, is built on top of the open-source Bielefeld Academic Search Engine, which boasts more than 270 million documents, including preprints, and is curated to remove spam.
Open Knowledge Maps uses the open-source Bielefeld Academic Search Engine and in 2021 indicated that it covers 270 million documents including preprints. Open Knowledge Maps also curates its index to remove spam.
How much spam is included in the journal article space? I've heard of incredibly low quality and poorly edited journals, so filtering those out may be fairly easy to do, but are there smaller levels of individual spam below that?
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