場所参照表現タグ付きコーパスの構築と評価
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場所参照表現タグ付きコーパスの 構築と評価 松 耕史 * , 佐々 彬 * , 岡崎 直観 †* , 乾 健太 * *) 東学, †) 科学技術振興機構 さきがけ 第220回 情報処学会 然語処研究会(NL) 九州学医学部 百講堂 2015/01/20 1
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Transcript of 場所参照表現タグ付きコーパスの構築と評価
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*, *, *, * *) , )
220 (NL)
2015/01/20
1
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()()
SNS(Twitter)
NLP J[,
2013] L
Fig. DISAANA (NICT)
Fig. HotLocation Finder () 2
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a) [] b) [()] c) [()]
[] [] Web()
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()
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/
a) b) c) / () /
a) //
Web 4
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38.00 140.62
Web
38.26 140.87
38.00 140.62
38.00 140.62
SNS 5
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Web
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[, 2004], [, 2008]
()
a)
Web 15 Yahoo!(+CGM) 500
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1. Mention Detection: a) 3 b)
2. Entity Resolution :() a) /3 b) /JR c) /
Mention Detection
Entity Resolution
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Entity Linking(TAC KBP)
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NER ()
()
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( / )
DB
DB
UI UI
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a) b)
/ a) D /
() a) b)
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Twitter(1000)
Bot
/ () /
1000 105
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/
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(1)
(1000)
(1000)
En En
LOC() 977 901(92%) 36 29(80%)
FAC() 356 286(80%) 88 32(36%)
RAIL() 61 2
ROAD() 7 1
J 2 L
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YES NO
Entity Resolution
(1/2)
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YES
NO
NO YES
Mention Detection
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
7000 389
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(2/2)
1 () a) b)
2 a) b)
90%
10%
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F LOC() 93.3 FAC() 77.9 ORG() 83.3 RAIL() 72.0 ROAD() 50.0
(NER)
J L () Cohens =0.892
(m)
1648 0 72101
J80% ()515
(2)
2002
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a) b)
a)
b)
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/
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200250 (/)
20(11%) 13(18%) 33(15%) 126(71%) 0(0%) 126(50%) 20(11%) 7(10%) 27(10%) 0(0%) 21(29%) 21(8%) 3(2%) 21(29%) 24(10%) 10(6%) 17(23%) 27(11%) 1(0.5%) 4(6%) 5(2%) 21
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(: ) 3 3
(1)
20(11%) 13(18%) 33(15%) 126(71%) 0(0%) 126(50%) 20(11%) 7(10%) 27(10%) 0(0%) 21(29%) 21(8%) 3(2%) 21(29%) 24(10%) 10(6%) 17(23%) 27(11%) 1(0.5%) 4(6%) 5(2%)
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a) / /
/ b)
()
a)
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: SNS(Twitter) : Web 2
1.
2.
1. ()
2.
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8000
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38.00 140.62
Web
38.26 140.87
38.00 140.62
38.00 140.62
SNS 26
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TR-CoNLL() [Leidner2007] CoNLL-2003()
: :
CWar()[Crane, 2000] 340
:(19)
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TR-CoNLL / CWar / LGL#doc #token #toponym domain
[EN] TR-CoNLL (Leidner 2008)
1000 200000 6000 Reuters International News
CoNLL2003(NER)
[EN] CWar (Crane 2000) (Speriosu 2013)
341 58mil 232000 OCRed Books (About US Civil War)
OCR+NER+
[EN] LGL (Lieberman 2010)
588 213000 5088 News Articles (Localized news sources)
[JA]
1000 ()
3 36()/ 88()
SNS(Twitter)
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DB
NE
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a) ()
b)
c) ()
d) TDL
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SNS
Twitter
Twitter
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