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milIE: Modular & Iterative Multilingual Open Information Extraction ...
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Can we predict new facts with open knowledge graph embeddings? A benchmark for open link prediction
Gashteovski, Kiril; Gemulla, Rainer; Wang, Yanjie. - : Association for Computational Linguistics, 2020
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3
On aligning OpenIE extractions with Knowledge Bases: A case study
Gashteovski, Kiril; Gemulla, Rainer; Kotnis, Bhushan. - : Association for Computational Linguistics (ACL), 2020
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4
OPIEC: An open information extraction corpus
Gashteovski, Kiril [Verfasser]; Wanner, Sebastian [Verfasser]; Hertling, Sven [Verfasser]. - Mannheim : Universitätsbibliothek Mannheim, 2019
DNB Subject Category Language
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5
OPIEC: An open information extraction corpus
Abstract: Open information extraction (OIE) systems extract relations and their arguments from natural language text in an unsupervised manner. The resulting extractions are a valuable resource for downstream tasks such as knowledge base construction, open question answering, or event schema induction. In this paper, we release, describe, and analyze an OIE corpus called OPIEC, which was extracted from the text of English Wikipedia. OPIEC complements the available OIE resources: It is the largest OIE corpus publicly available to date (over 340M triples) and contains valuable metadata such as provenance information, confidence scores, linguistic annotations, and semantic annotations including spatial and temporal information. We analyze the OPIEC corpus by comparing its content with knowledge bases such as DBpedia or YAGO, which are also based on Wikipedia. We found that most of the facts between entities present in OPIEC cannot be found in DBpedia and/or YAGO, that OIE facts often differ in the level of specificity compared to knowledge base facts, and that OIE open relations are generally highly polysemous. We believe that the OPIEC corpus is a valuable resource for future research on automated knowledge base construction.
Keyword: 004 Informatik
URL: https://madoc.bib.uni-mannheim.de/48226/
https://madoc.bib.uni-mannheim.de/48226
https://madoc.bib.uni-mannheim.de/48226/7/OPIEC%20An%20Open%20Information%20Extraction%20Corpus.pdf
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6
MinIE: minimizing facts in open information extraction
Corro, Luciano del; Gashteovski, Kiril; Gemulla, Rainer. - : Association for Computational Linguistics, 2017
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