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However, constructing profiles and calculating several statistics such as cardinality descriptors or inferences are resource expensive. In this paper, we present ABSTAT-HD, a highly distributed profiling tool that supports users in profiling and understanding big and complex knowledge graphs. We demonstrate the impact of the new architecture of ABSTAT-HD by presenting a set of experiments that show its scalability with respect to three dimensions of the data to be processed: size, complexity and workload. The experimentation shows that our profiling framework provides informative and concise profiles, and can process and manage very large KGs.<\/jats:p>","DOI":"10.1007\/s00778-021-00704-2","type":"journal-article","created":{"date-parts":[[2021,9,29]],"date-time":"2021-09-29T09:05:14Z","timestamp":1632906314000},"page":"851-876","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["ABSTAT-HD: a scalable tool for profiling very large knowledge graphs"],"prefix":"10.1007","volume":"31","author":[{"given":"Renzo Arturo","family":"Alva Principe","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Maurino","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matteo","family":"Palmonari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michele","family":"Ciavotta","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6958-8215","authenticated-orcid":false,"given":"Blerina","family":"Spahiu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,9,29]]},"reference":[{"key":"704_CR1","doi-asserted-by":"crossref","unstructured":"Abedjan, Z., Gr\u00fctze, T., Jentzsch, A., Naumann, F.: Profiling and mining RDF data with prolod++. 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