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2014.03.15 SHARE! U20
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Kohei YOSHIDA
March 15, 2014
Programming
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2014.03.15 SHARE! U20
Kohei YOSHIDA
March 15, 2014
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Transcript
SHARE! U20 Θ͘Θ͘ΤϯδχΞ ZPTJEB٢ా߉ฏ
SHARE! U20 @yosida95 ͡Ίʹ
SHARE! U20 @yosida95 εϥΠυຕ ͡Ίʹ
SHARE! U20 @yosida95 ͡Ίʹ
SHARE! U20 @yosida95 ຕඵ ͡Ίʹ
SHARE! U20 @yosida95 ͔ͳΓۦ͚ ͡Ίʹ
SHARE! U20 @yosida95 ྃ͝ঝئ͍·͢ ͡Ίʹ
SHARE! U20 @yosida95 ͡Ίʹ
SHARE! U20 @yosida95 ͓લɺͩΕΑ ͡Ίʹ
SHARE! U20 @yosida95 ٢ా߉ฏ ,PIFJ:04)*%" ฏੜ·Εࡀ https://yosida95.com/ Θ͘Θ͘ΤϯδχΞ ͡Ίʹ
SHARE! U20 @yosida95 ɺ ͡Ίʹ
SHARE! U20 @yosida95 http://yosida95.hatenablog.com/entry/2013/12/22/000222
SHARE! U20 @yosida95 ॴଐ ͡Ίʹ
SHARE! U20 @yosida95
SHARE! U20 @yosida95
SHARE! U20 @yosida95 ݄ ͡Ίʹ
SHARE! U20 @yosida95 ͡Ίʹ
SHARE! U20 @yosida95 Αͩ͠܅དྷͯΑʂ ͯ͠ʔʂ ͡Ίʹ
SHARE! U20 @yosida95 ࠔͬͨ ͡Ίʹ
SHARE! U20 @yosida95 ͳʹΛͦ͏͔ ͡Ίʹ
SHARE! U20 @yosida95 ࣋ͪωλ w ,7. 2&.6ʹΑΔࣗ࡞*BB4 w 0QFO*%1SPWJEFSͷ࣮ w
্σδλϧ์ૹͷ์ૹͷத ͡Ίʹ
SHARE! U20 @yosida95 ࣋ͪωλ w ޮతͳ໎ϝʔϧͷૹΓํ w ࣮Ͱ͑Δ࣮༻(Pݴޠ w ͷӡӦ
͡Ίʹ
SHARE! U20 @yosida95 ࠔͬͨ ͡Ίʹ
SHARE! U20 @yosida95 ͲΕ*5ٕज़ऀ͚ ͡Ίʹ
SHARE! U20 @yosida95 ΘΒͳ͍ ͡Ίʹ
SHARE! U20 @yosida95 ॿ͚ͯ(PPHMFઌੜ ͡Ίʹ
SHARE! U20 @yosida95 Μ ͡Ίʹ
SHARE! U20 @yosida95 (PPHMF ͡Ίʹ
SHARE! U20 @yosida95 ͦ͏͔ݕࡧΤϯδϯ ͡Ίʹ
SHARE! U20 @yosida95 ΞδΣϯμ w 8FCͷΈ w ݕࡧΤϯδϯͷΈ w ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 8FCͷΈ
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 8FCͷΈ 192.0.2.2 192.0.2.3 198.51.100.2 198.51.100.3 203.0.113.2
SHARE! U20 @yosida95 ͔͠͠ 8FCͷΈ
SHARE! U20 @yosida95 8FCͷΈ
SHARE! U20 @yosida95 ͍֮͑ͯΒΕͳ͍ 8FCͷΈ
SHARE! U20 @yosida95 ͦ͜Ͱ%/4 8FCͷΈ
SHARE! U20 @yosida95 8FCͷΈ 198.51.100.3 DNS
SHARE! U20 @yosida95 8FCͷΈ 198.51.100.3 DNS example.com
SHARE! U20 @yosida95 8FCͷΈ 198.51.100.3 DNS 198.51.100.3
SHARE! U20 @yosida95 8FCͷΈ 198.51.100.3 DNS
SHARE! U20 @yosida95 8FCͷΈ 198.51.100.3 DNS
SHARE! U20 @yosida95 ݕࡧΤϯδϯ ͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ The Internet
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ The Internet
SHARE! U20 @yosida95 ͜ΕΛΫϩʔϦϯάͱ͍͏ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ͔͠͠ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ϖʔδ͕ଟ͍ͱࠔΔ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ࠓੲŊऔͷԧͱ͍; ऀ͋Γ͚Γɻࢁʹ·͡ ΓͯΛऔΓͭͭɺΑΖ ͮͷ͜ͱʹͻ͚Γɻ໊ Λɺ͞͵͖ͷͱͳΉ ݴͻ͚Δɻ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ࠓੲŊऔͷԧͱ͍; ऀ͋Γ͚Γɻࢁʹ·͡ ΓͯΛऔΓͭͭɺΑΖ ͮͷ͜ͱʹͻ͚Γɻ໊ Λɺ͞͵͖ͷͱͳΉ ݴͻ͚Δɻ
ࠓ ੲ औͷԧ ࢁ ໊ ͞͵͖ͷ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ୯ޠ ϖʔδ ࠓ " # ੲ
" $ औͷԧ " # $ ࢁ " % ͞͵͖ͷ " &
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ୯ޠ ϖʔδ ࠓ " # ੲ
" $ औͷԧ " # $ ࢁ " % ͞͵͖ͷ " &
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ୯ޠ ϖʔδ ࠓ " # ੲ
" $ औͷԧ " # $ ࢁ " % ͞͵͖ͷ " &
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ୯ޠ ϖʔδ ࠓ " # ੲ
" $ औͷԧ " # $ ࢁ " % ͞͵͖ͷ " &
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ୯ޠ ϖʔδ ࠓ " # ੲ
" $ औͷԧ " # $ ࢁ " % ͞͵͖ͷ " &
SHARE! U20 @yosida95 ͜ΕΛΠϯσΫγϯάͱ͍͏ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ͜ΕͰૉૣ͍ݕࡧ͕࣮ݱͨ͠ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ͔͠͠ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ϖʔδ͕ଟ͍ͱࠔΔ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ͳ͔ͥ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ݁Ռ͕ଟ͗ͯ͢ݟ͖Εͳ͍
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ιϦϡʔγϣϯ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ؔ࿈͕ߴ͍ॱʹ݁ՌΛදࣔ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ؔ࿈ͱ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ྫ͑
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ lzʷ lzʷ ͲͪΒ͕ΑΓlzʹ͍ͭͯৄ͘͠ॻ͔Ε͍ͯΔ͔
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ lzʷ lࢁzʷ lzʷ lࢁzʷ ͲͪΒ͕ΑΓlzͱlࢁzʹ͍ͭͯৄ͘͠ॻ͔Ε͍ͯΔ͔
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ͍·͍͔ͪΒͳ͍
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ 5'*%'
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ TF − IDF = TF ×
IDF TF = num_of _the_word _in_ page num_of _all _words_in_ page IDF = log num_of _all _ pages num_of _ pages_contains_the_word
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ؔ࿈ΛԽ
SHARE! U20 @yosida95 ͜ΕΛείΞϦϯάͱ͍͏ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ͪͳΈʹ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ lzʷ lࢁzʷ lzʷ lࢁzʷ ͲͪΒ͕ΑΓlzͱlࢁzʹ͍ͭͯৄ͘͠ॻ͔Ε͍ͯΔ͔
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ ͨͩ͠
SHARE! U20 @yosida95 w zzؚ͕·ΕΔϖʔδશମͷ w zࢁzؚ͕·ΕΔϖʔδશମͷ w ͲͪΒͷϖʔδ૯୯ޠಉ͡ ݕࡧΤϯδϯͷΈ
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ lzʷ lࢁzʷ lzʷ lࢁzʷ ͲͪΒ͕ΑΓlzͱlࢁzʹ͍ͭͯৄ͘͠ॻ͔Ε͍ͯΔ͔
SHARE! U20 @yosida95 ݕࡧΤϯδϯͷΈ lzʷ lࢁzʷ ͲͪΒ͕ΑΓlzͱlࢁzʹ͍ͭͯৄ͘͠ॻ͔Ε͍ͯΔ͔ lzʷ lࢁzʷ
SHARE! U20 @yosida95 ޮతͳ 8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ͬͯ
SHARE! U20 @yosida95 ΫϩʔϦϯά ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 The Internet ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 The Internet ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ଟ͘ͷίϯϐϡʔλʔͰ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ॏෳΛഉআͯ͠
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ҰؾʹϖʔδΛूΊΔ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ޮԽͷఢ
SHARE! U20 @yosida95 w %/4͍߹Θͤ࣌ؒ w αʔόʔͷଓ࣌ؒ w ಉ͡ϖʔδͷҎ্ͷμϯϩʔυ ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ιϦϡʔγϣϯ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ಉҰυϝΠϯͷΞΫηε ಉҰͷαʔόʔ͔Βߦ͏
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ͦΕͧΕͷαʔόʔʹ ୲͢ΔυϝΠϯΛׂΓͯΔ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ $POTJTUFOU)BTIJOH
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ 3 1 0 11 9 7
6 5
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ υϝΠϯ GUQFYBNQMFDPN XXXFYBNQMFDPN
FYBNQMFDPN
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ 3 1 0 11 9 7
6 5 1 4 9
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ୲υϝΠϯ͕ࣗಈత ʹׂΓͨΔ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ υϝΠϯͷ୲ऀ ΛࣗͰߟ͑ΒΕΔ
SHARE! U20 @yosida95 ޮతͳ8FCϖʔδͷूΊํ ͋ͱΩϟογϡ ,FFQ"MJWFΛ্ख͘͏
SHARE! U20 @yosida95 ·ͱΊ
SHARE! U20 @yosida95 ࣮
SHARE! U20 @yosida95 ݕࡧΤϯδϯߏங
SHARE! U20 @yosida95 JT
SHARE! U20 @yosida95 ߴߍͷ՝ݚڀ ͷωλ
SHARE! U20 @yosida95 ਓͰશ෦࡞ͬͯ ಈ͔ͨ͠
SHARE! U20 @yosida95
SHARE! U20 @yosida95 σʔλϕʔεΛղ
SHARE! U20 @yosida95 ࠓಈ͔ͳ͍
SHARE! U20 @yosida95 ·ͱΊ w ݕࡧΤϯδϯਓͰ࡞ΕΔ w ӌᮣʹ%#Λղ͢ΔͱσϞग़དྷͳ͍