Keyphrases
- rewriting systems
- bounded treewidth
- causal graph
- graph model
- worst case
- graph representation
- conjunctive queries
- random walk
- computational complexity
- polynomial time complexity
- graph structure
- directed graph
- graph partitioning
- structured data
- np complete
- rewrite rules
- np hard
- database
- directed acyclic graph
- space complexity
- language model
- rewriting rules
- conp complete
- connected graphs