@book { EfficientMemoizationAlgorithmsforQueryOptimizationTopDownJoinEnumerationthroughMemoizationontheBasisofHypergraphs,
    title = "Efficient Memoization Algorithms for Query Optimization: Top-Down Join Enumeration through Memoization on the Basis of Hypergraphs",
    author = "Pit {Fender}",
    year = "2014",
    publisher = "Anchor Academic Publishing",
    address = "Hamburg, Germany",
    url = "https://m.anchor-publishing.com/document/312792"
}