1. - -@yokkuns 2014.01.17 CROSS 2014 CROSS CopyrightDrecomCo.,LtdAllRightsReserved.14121

2. @yokkuns DeNA CopyrightDrecomCo.,LtdAllRightsReserved.141212 3. CopyrightDrecomCo.,LtdAllRightsReserved.141213 4. Tokyo.RCopyrightDrecomCo.,LtdAllRightsReserved.141214 5. CopyrightDrecomCo.,LtdAllRightsReserved.141215 6. DBHadoop R/DBAc8onLogHadoopAccessLogBITools CopyrightDrecomCo.,LtdAllRightsReserved.14121DrecomRLibrarieshive MailViwerAnaly8csAPIBaseAPI 6 7. CopyrightDrecomCo.,LtdAllRightsReserved.141217 8. VSVS CopyrightDrecomCo.,LtdAllRightsReserved.141218 9. ActionData MiningAction Action9 14121 10. ActionActionHadoop HDFS3_7 3_6 3_8 3_5 3_9 3_10 3_11 3_4 3_13 3_12 3_14 4_21 4_24 4_25 4_26 3_15 4_20 4_19 4_22 4_23 3_2 4_27 3_1 4_18 3_3 4_30 4_29 4_28 4_31recall precision 0.710 0.404 0.715 0.403 0.705 0.406 0.720 0.401 0.700 0.407 0.694 0.409 0.688 0.411 0.726 0.398 0.677 0.415 0.682 0.413 0.672 0.416 0.709 0.403 0.695 0.408 0.690 0.409 0.686 0.411 0.666 0.418 0.713 0.401 0.718 0.400 0.704 0.404 0.699 0.406 0.737 0.394 0.681 0.412 0.742 0.393 0.723 0.398 0.732 0.395 0.668 0.417 0.672 0.415 0.676 0.414 0.664 0.419F 0.515 0.515 0.515 0.515 0.515 0.515 0.515 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.514 0.513 0.513 0.513 0.513 ActionAPI Server : http://www.slideshare.net/hamadakoichi/mobage-prmu-2011-mahout-hadoop 1412110 11. () 2 350000.0# BeforeVS300000.0# 250000.0# 200000.0# 150000.0#After100000.0#VS 50000.0# 0.0# CopyrightDrecomCo.,LtdAllRightsReserved.14121Heavy A#Middle B#Light C#11D#