# qid:1: solr*10 # qid:2: elasticsearch*2 # qid:3: cassandra*2 # qid:4: camel*1 # qid:5: elastic graph*1 # qid:6: ebook*1 # qid:7: e-book*1 # qid:8: elastic-graph*1 # qid:9: learning to rank*3 # qid:10: semantic*1 # qid:11: bm25f*1 # qid:12: taming search*1 # qid:13: bm25*1 # qid:14: lunch and learn*1 # qid:15: basket analysis*1 # qid:16: graph*1 # qid:17: indexing chinese*1 # qid:18: elasticsearch recommendation system*1 # qid:19: elasticsearch recsys*1 # qid:20: elasticsearch recommender*1 # qid:21: solr synonym*1 # qid:22: machine learning*1 # qid:23: nosql*1 # qid:24: relevant search*1 # qid:25: lucene*1 # qid:26: trey grainger*1 # qid:27: twitter*1 # qid:28: naive bayes*1 # qid:29: facebook*1 # qid:30: neo4j*1 # qid:31: java*1 # qid:32: linux*1 # qid:33: groovy*1 # qid:34: stackoverflow*1 # qid:35: charlottesville*1 # qid:36: elasticon*1 # qid:37: lucene revolution*1 # qid:38: book*1 # qid:39: map reduce*1 # qid:41: utf 8*1 # qid:42: linear models*1 # qid:43: data hackers*1 # qid:44: becamp*1 # qid:45: beswarm*1 # qid:47: ama*1 # qid:48: relevancy*5 # qid:49: match query parser*1 4 qid:1 # 4036602523 solr 4 qid:1 # 2349740828 solr 4 qid:1 # 2307460466 solr 4 qid:1 # 4021588268 solr 3 qid:1 # 3873568549 solr 3 qid:1 # 2721405712 solr 3 qid:1 # 3780360030 solr 3 qid:1 # 3941005933 solr 3 qid:1 # 1686720823 solr 3 qid:1 # 3394242689 solr 3 qid:1 # 2916170833 solr 2 qid:1 # 3245818064 solr 2 qid:1 # 3913088476 solr 2 qid:1 # 3501843710 solr 2 qid:1 # 4124823494 solr 2 qid:1 # 3225155378 solr 2 qid:1 # 1502936313 solr 2 qid:1 # 3252179363 solr 2 qid:1 # 2848549888 solr 2 qid:1 # 417217470 solr 2 qid:1 # 3986527021 solr 3 qid:1 # 3369505975 solr 2 qid:1 # 3252179363 solr 2 qid:1 # 2502109327 solr 2 qid:1 # 3440818580 solr 1 qid:1 # 78637494 solr 1 qid:1 # 254683007 solr 0 qid:1 # 4177290998 solr 0 qid:1 # 2579852587 solr 0 qid:1 # 2926247873 solr 0 qid:1 # 3065216762 solr 0 qid:1 # 14036114 solr 0 qid:1 # 1765487539 solr 4 qid:2 # 1265938948 elasticsearch 3 qid:2 # 3123649443 elasticsearch 2 qid:2 # 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