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arXiv Paper Analyzes Query Costs in Vertically Partitioned Federated Knowledge Graphs
A new arXiv preprint examines the cost of answering multi-hop queries over knowledge graphs split across organizations that share an entity space but hold disjoint sets of relations, a setup the authors call vertical partitioning. Because such queries often need facts from multiple silos, the paper characterizes the resulting communication and computation costs. It is a research contribution rather than a product or model release.