OLPBENCH is a large Open Link Prediction benchmark, which was derived from the state-of-the-art Open Information Extraction corpus OPIEC (Gashteovski et al., 2019). OLPBENCH contains 30M open triples, 1M distinct open relations and 2.5M distinct mentions of approximately 800K entities.
Open Link Prediction is defined as follows: Given an Open Knowledge Graph and a question consisting of an entity mention and an open relation, predict mentions as answers. A predicted mention is correct if it is a mention of the correct answer entity. For example, given the question (“NBC-TV”, “has office in”, ?), correct answers include “NYC” and “New York”.
Samuel Broscheit, Kiril Gashteovski, Yanjie Wang, Rainer Gemulla
Can We Predict New Facts with Open Knowledge Graph Embeddings? A Benchmark for Open Link Prediction
[ pdf ]
The 58th Annual Meeting of the Association for Computational Linguistics (ACL), 2020
Links for downloads regarding the OLPBENCH corpus:
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