首先，企业A和大数据厂商B需要商议确定要提供的数据范围及对应的元数据信息，双方初始决定使用最近三个月的已有用户转化数据作为联邦训练的训练集和评估集，之后使用每周产生的新数据作为联邦预测的预测集。

industry_all.csv

id,col0,col1,col2,col3,col4,label
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6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b,-1.5143756509526236,-1.9007475942180778,-5.617412558508785,2.2624690030531363,0.2886799132470795,0
d4735e3a265e16eee03f59718b9b5d03019c07d8b6c51f90da3a666eec13ab35,-1.768367116508903,1.2721845837988317,1.1497337351126178,-1.3322677230347135,0.9716103319957519,1
4b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a,0.37260755643902965,-0.2919401803207504,0.08086265459068624,0.3915016044811785,-0.01227642831882032,1
ef2d127de37b942baad06145e54b0c619a1f22327b2ebbcfbec78f5564afe39d,-2.963183239713765,0.15113195842028704,-3.8749664899828824,1.0598464836794779,-4.400883309764479,1
e7f6c011776e8db7cd330b54174fd76f7d0216b612387a5ffcfb81e6f0919683,-0.35120767987472346,1.8018318746365054,1.4431627055321963,0.33307198119824927,0.8626132267902704,0
7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451,-2.6642415757243825,0.8836647864509011,-1.2340786744195096,-1.4945873871135977,-2.6999504889710626,1
2c624232cdd221771294dfbb310aca000a0df6ac8b66b696d90ef06fdefb64a3,3.0418810956792526,-0.6516843409674193,3.6616499550343105,0.035548733627266224,3.477873903864847,0
19581e27de7ced00ff1ce50b2047e7a567c76b1cbaebabe5ef03f7c3017bb5b7,-0.8239137547429756,0.7877120377027675,0.4296355963569869,-1.315646485980162,-1.652321610851379,1
4a44dc15364204a80fe80e9039455cc1608281820fe2b24f1e5233ade6af1dd5,0.24150521920304757,-0.21911471888817458,1.5143874504690156,-0.6652345113435701,0.17857570592695637,0
6b51d431df5d7f141cbececcf79edf3dd861c3b4069f0b11661a3eefacbba918,0.9669487046029339,-1.5427187535294289,2.490658334326762,0.4233920429380765,2.972622142213776,0
3fdba35f04dc8c462986c992bcf875546257113072a909c162f7e470e581e278,-1.847252571492643,0.4969814473631169,1.6544165211185982,-1.9450069019776826,0.39415199332185435,1
8527a891e224136950ff32ca212b45bc93f69fbb801c3b1ebedac52775f99e61,0.1622108420432964,0.1771676208189943,4.55368226430978,-1.1032207991089722,2.375621631048501,0
e629fa6598d732768f7c726b4b621285f9c3b85303900aa912017db7617d8bdb,4.0527809556953,1.2053939486734313,3.260708709473611,1.1400990661834884,5.025657734758696,0
b17ef6d19c7a5b1ee83b907c595526dcb1eb06db8227d650d5dda0a9f4ce8cd9,-0.21563539406333465,0.5231489445682316,-2.639937297036372,2.3738020768486425,0.34341393069722226,1
4523540f1504cd17100c4835e85b7eefd49911580f8efff0599a8f283be6b9e3,-0.5935568930535046,-0.35175055806960276,0.9645122559090376,-0.017390131639078914,0.09256256476781644,1
4ec9599fc203d176a301536c2e091a19bc852759b255bd6818810a42c5fed14a,1.0066513658973761,-0.9724037855292317,1.314115256428494,0.363296291355055,5.171128738363806,0
9400f1b21cb527d7fa3d3eabba93557a18ebe7a2ca4e471cfe5e4c5b4ca7f767,0.1406977237605178,-1.455646778048175,-0.7223212422509906,1.265951206785454,-0.5504387433588089,1

bigdata_all.csv

id,f0,f1,f2,f3,f4
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9,-0.246852445,-1.761531756,-2.840375975,-0.562750693,-2.23499737
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b,-1.216062821,-1.093614452,-1.632396806,0.887601314,-4.40930101
4e07408562bedb8b60ce05c1decfe3ad16b72230967de01f640b7e4729b49fce,-0.150047899,-1.323266508,3.01679156,1.728583156,0.656158732
4b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a,-0.333871414,-1.21968931,-0.082894791,0.020390259,-0.076884947
ef2d127de37b942baad06145e54b0c619a1f22327b2ebbcfbec78f5564afe39d,-2.438861166,0.111880807,-3.51428545,1.123004835,0.228893969
e7f6c011776e8db7cd330b54174fd76f7d0216b612387a5ffcfb81e6f0919683,-2.759963795,0.405262468,1.264947591,1.027350049,1.293868423
7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451,0.189352371,-0.607297495,-0.808339321,2.048455567,1.303872778
2c624232cdd221771294dfbb310aca000a0df6ac8b66b696d90ef06fdefb64a3,0.390064223,0.664175034,3.20228741,0.380574513,0.017733811
19581e27de7ced00ff1ce50b2047e7a567c76b1cbaebabe5ef03f7c3017bb5b7,0.379250902,1.962293246,0.066277661,3.083228267,1.952626328
4a44dc15364204a80fe80e9039455cc1608281820fe2b24f1e5233ade6af1dd5,-0.070919538,-2.219653517,1.461645551,1.66185096,0.778770954
4fc82b26aecb47d2868c4efbe3581732a3e7cbcc6c2efb32062c08170a05eeb8,-0.771151327,-1.184821181,-0.674077615,-0.379858223,0.158957184
6b51d431df5d7f141cbececcf79edf3dd861c3b4069f0b11661a3eefacbba918,-0.738091802,-1.474822882,2.93475295,-3.763763721,-1.817301398
3fdba35f04dc8c462986c992bcf875546257113072a909c162f7e470e581e278,-0.483250226,0.616586578,3.001851708,2.407914633,0.856369412
8527a891e224136950ff32ca212b45bc93f69fbb801c3b1ebedac52775f99e61,-0.789268594,1.071733834,3.763254446,-3.760298263,0.49776472
e629fa6598d732768f7c726b4b621285f9c3b85303900aa912017db7617d8bdb,-0.372531118,1.559382514,2.403559204,-0.041093457,0.169341125
b17ef6d19c7a5b1ee83b907c595526dcb1eb06db8227d650d5dda0a9f4ce8cd9,-2.773477116,-1.137653133,-1.50133841,0.82842642,-1.25476711
4523540f1504cd17100c4835e85b7eefd49911580f8efff0599a8f283be6b9e3,-1.542814756,1.019110477,1.395515599,0.539956076,0.100325065
4ec9599fc203d176a301536c2e091a19bc852759b255bd6818810a42c5fed14a,0.024227451,-1.087235302,3.67470964,-2.420729037,-3.132456573

其中为了保证数据安全，企业A和大数据厂商B通过讨论决定使用hash过后的手机号作为已有数据的唯一标识id字段，并将唯一标识作为数据对齐的依据。