Preferred Networks, Inc.

2016/01/07

l (@nobu_k)

CTO@Preferred Networks, Inc. (PFN)

u US (Preferred Networks America, Inc. San Mateo)

l

()

l

beatmania IIDX SP/DP

2

l

l OK

3

Elasticsearch

Elasticsearch

+(1)

4

l

5+

l

+

l

l

l (

+(2)

l

l

l

l

l +

5

+(3)

l VOC

l

l

l

6

l

l

7

l

l

l ""(w)

8

9

l ()

(AI)

10

l

l

l

u ""

11

l

l

u

u

u

u

(1999Suica)

()

12

""

13

5

l /

1. ()

2.

3. ()

4.

5.

14

1. ()

l 1

"-19", "20-29", "30-39", "40-49", "50-", ""

l

MECE: Mutually Exclusive and Collectively Exhaustiveu

u

15

2.

l

16

-19 20-29 50-

Point 1:

2.

l

17

-19 20-29 50-

Point 1:

Point 2:

"50-"9:1""9

2.

l

18

-19 20-29 50-

Point 1:

Point 2:

Point 3: ()(tf-idf)

2.

l

19

-19 20-29 50-

Point 1:

Point 2:

Point 3: ()

Point 4: Point 13

3.

l (1)

11

u

l ()

OK

u

20

JSON:{ "label": "20-29", "tweet": {}}

CSV 1:20-29,"{CSVtweetJSON}"

CSV 2:20-29,,,

3. (1)

l

:19xx, xx, x

u

: "17", ""

u

l Elasticsearch

21

3. (2)

l

u

22

Preferred InfrastructureSedue Predictor

4.

l

(feature vector)

23

FV

: libsvm : : : : 11

4.

l

()()

bag-of-words

: n-grametc

: (tf)tf-idflog tf0/1(11)etc

l Jubatus

24

{ "1": 1, "2": 2, }

{ "": 2, "": 9, }

: libsvm# =>1=>2labelHoge 1:2 2:9

5.

l

11

25

FV

Elasticsearch

26

1: Elasticsearch

l RPython

l Elasticsearch

27

2Jubatus

l fluentdexec filterJubatus

l

11(RPC)

1128

out_exec_filter Elasticsearch

fluentd

JSON"age""gender"

3PFN

l OSS

l

SQL(CQL)

u /UDF+UDS(User Defined State)

fluentd

Go

l Chainer

Deep Learning

ChainerNLP

29

30

l

l

l

u

31

32

Copyright 2014-

Preferred Networks All Right Reserved.