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Meta Operator for Complex Query Answering on Knowledge Graphs
March 18, 2024, 4:41 a.m. | Hang Yin, Zihao Wang, Yangqiu Song
cs.LG updates on arXiv.org arxiv.org
Abstract: Knowledge graphs contain informative factual knowledge but are considered incomplete. To answer complex queries under incomplete knowledge, learning-based Complex Query Answering (CQA) models are proposed to directly learn from the query-answer samples to avoid the direct traversal of incomplete graph data. Existing works formulate the training of complex query answering models as multi-task learning and require a large number of training samples. In this work, we explore the compositional structure of complex queries and argue …
abstract arxiv complex queries cs.ai cs.lg cs.lo data graph graph data graphs knowledge knowledge graphs learn meta queries query samples training type
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