团队语义中数据复杂性的可追溯边界
Tractability Frontier of Data Complexity in Team Semantics
摘要:
研究了具有团队语义的逻辑模型检测的数据复杂性。我们专注于严格和宽松的团队语义下的依赖,包含和独立逻辑公式。我们的研究结果描绘了一个清晰的易处理性/难处理性边界的数据复杂性的量化器的自由和量化的公式为每个逻辑。对于松散语义下的包含逻辑,我们将模型检测问题归结为所谓的双Horn布尔公式的可满足性问题。通过这种约简,我们给出了包含逻辑的数据复杂性在PTIME内的已知结果的另一种证明。
英文摘要:
We study the data complexity of model-checking for logics with team semantics. We focus on dependence, inclusion, and independence logic formulas under both strict and lax team semantics. Our results delineate a clear tractability/intractability frontiers in data complexity of both quantifier-free and quantified formulas for each of the logics. For inclusion logic under the lax semantics, we reduce the model-checking problem to the satisfiability problem of so-called dual-Horn Boolean formulas. Via this reduction, we give an alternative proof for the known result that the data complexity of inclusion logic is in PTIME.
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