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040000 tree 739b81d1afde49406999289fb3955d0623efecb1	inverted-index-basic
040000 tree fecbdc2fb45eb03a8c013a3e9bb9fa5c45171aa1	inverted-index-complex
040000 tree beb41b7cf05e14b61cc5ed44aa0d5f3023289d67	inverted-index-join
040000 tree 562f562563eb239ce9c22e3616299b9c9bb813e2	rtree-index-join