This work focuses on querying incomplete data graphs using a hybrid, query-driven approach. The method combines the certainty of known paths with the flexibility of on-the-fly embedding-based link prediction guided by the query structure. A lazy-prediction strategy is used to improve relevance while limiting unnecessary inference. We evaluate our method on two embedding-based models and datasets, and test predictive strategies with different search space reductions.

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Lazy Prediction in Querying Graph Databases

  • Jacques Chabin,
  • Cristina D. Aguiar,
  • Mirian Halfeld-Ferrari,
  • Martin A. Musicante,
  • Lingchen Wang

摘要

This work focuses on querying incomplete data graphs using a hybrid, query-driven approach. The method combines the certainty of known paths with the flexibility of on-the-fly embedding-based link prediction guided by the query structure. A lazy-prediction strategy is used to improve relevance while limiting unnecessary inference. We evaluate our method on two embedding-based models and datasets, and test predictive strategies with different search space reductions.