InductWave: Inductive Multi-Hop Logical Query Answering on Knowledge Graphs

Researchers have introduced InductWave, a wavelet-based inductive embedding method designed for multi-hop logical query answering on massive knowledge graphs. By reasoning over unseen entities with significantly fewer computational resources, InductWave outperforms state-of-the-art models while reducing the required message-passing layers.
Computer Science > Artificial Intelligence
Title:InductWave: Inductive Multi-Hop Logical Query Answering on Knowledge Graphs
View PDF HTML (experimental)Abstract:Logical Multi-Hop Query Answering over Knowledge Graphs (KGs) can be formulated as querying, with an implicit completeness assumption. Current works mainly focus on Existential First Order Logic (EFO) queries. These EFO queries contain conjunction, disjunction, and negation operators. Most existing works employ transductive reasoning, meaning they are not capable of reasoning over entities unseen during training. In the real world, there is a resource scarcity, and we cannot train a model with all the nodes of a large KG. Hence, we propose InductWave, a wavelet-based inductive embedding method for logical query answering on large KGs. Here, the training graph consists of fewer nodes than the test graph. Our model performs on par with the baseline models while having half the number of message-passing layers. It outperforms all of them in most cases, with 75% of the layers. These fewer resource requirements enable us to evaluate InductWave on massive graphs, such as Wiki-KG. We test our model using extensive experiments across varying train-test graph proportions of the FB15k-(237) dataset, comparing it with the state-of-the-art models. The code and datasets for the model are available at this https URL.
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Source: arXiv cs.AI Recent

















