A fast boolean expression index implementation, especially for RTB ad selection. A Go implementation of the core algorithm in Standford and Yahoo's paper <Indexing Boolean Expression>
License: Apache License 2.0
比如说有一个定向是 喜好 羽毛球、篮球、网球 等等
来了一个用户，他的标签是 喜好 羽毛球、篮球 这种我看没法直接检索吧？
Any plan to release support implementation for CNF?
bool-expr-indexer/api/dnf/tools/bench.go
Line 67 in 95e021f
您好，在这里生成assignment的时候，if flase，value = ""才对吧，按照1%flase，其他均为true来看，如果这里没问题，那最后生成的assignment会有99%的attributes中value = “”。后续match的时候，取出来的postingLists中可能不会有任何元素，因为hashkey为name + “：”+value。
前面的20，30，40指的是每个规则的表达式个数，12指的是需要查找的规则表达式个数吗？
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