情報科学的アプローチによる英語検定教科書の語彙分析

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ேᩥ⛉Ꮫ⛉ ᩍ⫱◊✲ᨭ᥼ࢭࣥࢱ࣮

᝟ሗ⛉Ꮫⓗ࢔ࣉ࣮ࣟࢳ࡟ࡼࡿ

ⱥㄒ᳨ᐃᩍ⛉᭩ࡢㄒᙡศᯒ

ඵ㫽 ྜྷ᫂* ኱㔝 ె௦Ꮚ**

㸦2016ᖺ11᭶24᪥ཷ⌮㸧

㸯㸬ࡣࡌࡵ࡟

♫఍ࡢࢢ࣮ࣟࣂࣝ໬ࡀᣦ᦬ࡉࢀࡿ୰ࠊᏛ⏕ࡸ◊✲⪅ࠊ ᢏ⾡⪅࡞࡝࡟ࡣࠊࡑࢀࡒࢀࡢάື┠ⓗ࡟ᑐᛂࡍࡿࡓࡵࡢ ⱥㄒຊࡢྥୖࡀồࡵࡽࢀࡿᶵ఍ࡀከࡃ࡞ࡗ࡚࠸ࡿࠋ⥲ྜ ⓗ࡞ⱥㄒຊࡢ⫱ᡂࡢࡓࡵ࡟ࡣࠊ」ྜⓗ࡞ⱥㄒᏛ⩦ࡀᚲせ ࡟࡞ࡿࡀࠊࡑࢀࡽࢆᨭ࠼ࡿ㔜せ࡞ᰕࡢࡘࡣㄒᙡࡢᏛ⩦ ࡛࠶ࡿ࡜ゝࡗ࡚ࡼ࠸ࡔࢁ࠺ࠋ ⚾ࡓࡕࡣࠊ༢ㄒࡣᩥ⬦ࡢ୰࡛ぬ࠼ࡿࡇ࡜ࡀຠᯝⓗ࡛ ࠶ࡿ࡜࠸࠺➨஧ゝㄒ⩦ᚓㄽࡢ▱ぢ㸦ⓑ஭㸧ࢆ㋃ ࡲ࠼ࠊⱥㄒࡢᤵᴗࢆ㏻ࡋࡓㄒᙡ⩦ᚓࡢຠᯝⓗ᪉ἲ࡟ࡘ࠸ ࡚◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋࡲࡓࠊㄒᙡࡢ◊✲࡛ࡣ኱つᶍ࡞ ࢹ࣮ࢱࡢゎᯒࡀᚲせ࡟࡞ࡿሙ㠃ࡶከ࠸ࡓࡵࠊ◊✲᪉ἲ࡜ ࡋ࡚ࡣࠊⱥㄒᩍ⫱࡟᝟ሗฎ⌮࡞࡝ࡢ᝟ሗ⛉Ꮫⓗ࢔ࣉ࣮ࣟ ࢳ ࢆ ✚ᴟ ⓗ࡟ ྲྀࡾ ධ ࢀ࡚ ࠸ࡿ 㸦ඵ 㫽 ࣭኱㔝  ࠕ㧗 ᑓ ⏕ࠖ㸧ࠋ ㏆ᖺࠊⱥㄒࡢㄒᙡ◊✲࡛ࡣࠊ⮬↛ゝㄒฎ⌮ࡢᙧែ⣲ ゎᯒࢶ࣮ࣝࢆά⏝ࡋࡓሗ࿌ࡀቑຍࡋ࡚࠸ࡿ㸦⏣୰࣭෠ ᾆ࣭ᚨぢ㸹ᒾᓮ㸧ࠋࡶ࡜ࡶ࡜ⱥᩥࡣࠊ༢ㄒ࡜༢ㄒࡢ㛫࡟ ༊ษࡾᩥᏐ࡜ࡋ࡚ࡢ✵ⓑࢆධࢀ࡚ᩥ❶ࢆసᡂࡍࡿࡓࡵࠊ ࢥࣥࣆ࣮ࣗࢱୖ࡛ฎ⌮ࡋࡸࡍ࠸ࢹ࣮ࢱ࡜࡞ࡗ࡚࠸ࡿࠋᙧ ែ⣲ゎᯒࢶ࣮ࣝࡣࠊⱥᩥࡢᩥ⬦࠿ࡽ༢ㄒࡢရモࢆ⮬ື࡛ ุ᩿ࡋࠊㄒᑿኚ໬ࡋࡓ༢ㄒࢆᇶᮏᙧ࡟ᡠࡍ࡜࠸࠺࣐ࣞ໬ 㸦lemmatization㸧ࡢᶵ⬟ࢆᣢࡗ࡚࠸ࡿ㸦⏣୰㸧ࠋ ࡇ࠺ࡋࡓᢏ⾡ⓗ⫼ᬒࢆ㋃ࡲ࠼ࠊ௒ᅇࡢ◊✲࡛ࡣࠊᤵ ᴗᩍᮦࡢⱥᩥࢆศᯒࡍࡿᡭẁ࡜ࡋ࡚ࠊᙧែ⣲ゎᯒࢶ࣮ࣝ ࡢά⏝࡜ࡑࡢ᭷ຠᛶࡢ᳨ドࢆヨࡳ࡚ࡳࡿࡇ࡜࡟ࡋࡓࠋ

㸰㸬◊✲┠ⓗ

ᮏ◊✲ࡣࠊᤵᴗᩍᮦࡢⱥᩥࢆᵓᡂࡍࡿ༢ㄒࢆࠊ᝟ሗ ฎ⌮ᢏ⾡ࢆ⏝࠸࡚ຠ⋡ⓗ࡟ศᯒࡍࡿ᪉ἲࢆぢฟࡍࡇ࡜ࢆ ┠ⓗ࡜ࡋ࡚࠸ࡿࠋ ⚾ࡓࡕࡣࡇࢀࡲ࡛ࠊᩥ⬦࡟ᇶ࡙࠸ࡓ༢ㄒᏛ⩦ࢆಁ㐍 ࡍࡿࡓࡵ࡟ࠊᤵᴗᩍᮦ࠿ࡽ㔜せ༢ㄒࢆ㑅ᢥࡋࠊᏛ⏕࡟ᥦ ♧ࡍࡿ ᪉ἲ࡟ࡘ࠸࡚◊✲ࢆ⾜ࡗ࡚ࡁࡓ 㸦ඵ㫽࣭኱㔝 ࠕⱥ༢ㄒᏛ⩦⏝ࠖ㸧ࠋⱥᩥࢆᵓᡂࡍࡿ༢ㄒࢆ㑅ูࡍࡿ㝿 ࡟ࡣࠊ஦๓ฎ⌮࡜ࡋ࡚ࠊྛ༢ㄒࢆᇶᮏᙧ࡟ᡠࡍᚲせࡀ࠶ ࡿࡀࠊᚑ᮶ࠊࡑࡢసᴗࡣேᡭ࡟ࡼࡾ⾜ࡗ࡚ࡁࡓࠋ௒ᅇࠊ ࡇࡢసᴗࢆ⮬ື໬ࡍࡿࡓࡵ࡟ࠊ⮬↛ゝㄒฎ⌮ᢏ⾡ࢆヨ⏝ ࡍࡿࠋࡲࡓࠊ⮬ື࡛ᇶᮏᙧ࡟ᡠࡋࡓ༢ㄒࡢ᳨ドసᴗ࡟ࡣࠊ ඛ⾜◊✲࡛㛤Ⓨ῭ࡳࡢⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒㸦ᪧ ⛠㸸ⱥ༢ㄒ㑅ᢥࢩࢫࢸ࣒㸧 ࢆ฼⏝ࡍࡿ 㸦ඵ㫽࣭኱㔝 ࠕⱥ༢ㄒ㑅ᢥࠖ㸧ࠋࡇࡢࢩࢫࢸ࣒ࡣࠊ཰ⶶࡍࡿࢹ࣮ࢱ ࣮࣋ࢫ࡟ࡼࡾࠊㄪᰝᑐ㇟ࡢ༢ㄒ࡟㛵ࡋ࡚ࠊ」ᩘࡢⱥ༢ㄒ ᮏ࡟࠾ࡅࡿᥖ㍕≧ἣࢆ⮬ື࡛⾲♧ࡍࡿᶵ⬟ࢆ᭷ࡋ࡚࠸ࡿࠋ ࡇࢀࡽࡢ᝟ሗ⛉Ꮫⓗ࢔ࣉ࣮ࣟࢳࢆά⏝ࡍࡿࡇ࡜࡛ࠊ ⱥᩥࡢㄒᙡศᯒࢆຠ⋡ⓗ࡟⾜࠺᪉ἲࢆ☜❧ࡍࡿࡇ࡜ࡀࠊ ᮏ◊✲ࡢ≺࠸࡛࠶ࡿࠋ

㸱㸬ᐇ㦂᪉ἲ

௒ᅇࡢㄪᰝ࡛ࡣࠊ⩌㤿ᕤᴗ㧗➼ᑓ㛛Ꮫᰯ㸦௨ୗࠊ⩌ 㤿㧗ᑓ㸧ࡢᤵᴗ࡛ᐇ㝿࡟౑⏝ࡉࢀ࡚࠸ࡿⱥᩥᩍᮦࢆᐇ㦂 ࢹ࣮ࢱ࡜ࡋࠊᙧែ⣲ゎᯒࢶ࣮ࣝࢆ౑ࡗ࡚⮬ື࡛ᇶᮏᙧ࡟ ᡠࡋࡓ༢ㄒࡀࠊⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒࡟㐺⏝ྍ⬟࠿ ࡝࠺࠿ࢆホ౯ࡍࡿࠋࡑࡢᐇ㦂᪉ἲࢆ௨ୗ࡟♧ࡍࠋ 㸱㸬㸯 ᐇ㦂ࢹ࣮ࢱ ᐇ 㦂 ࢹ ࣮ ࢱ ࡣ ᳨ ᐃ ᩍ ⛉ ᭩ ࡢ ࠗ MY WAY English Communication I ࠘㸦᳃ఫࠊ௚㸧࡛࠶ࡿࠋᖺᗘࡢ⩌ 㤿㧗ᑓᖺḟࡢࠕⱥㄒ㸿ࠖࡢᣦᐃᩍᮦ࡛࠶ࡾࠊࡇࡢᩍ⛉ ᭩ࡢᮏᩥࢹ࣮ࢱࢆ౑⏝ࡍࡿࠋ ᅇࡢฎ⌮࡟౑⏝ࡍࡿࢹ࣮ࢱ㔞ࡣࠊᤵᴗᅇศࡢ⠊ᅖࡢ ⱥᩥࡢ༢ㄒᩘ࡜ࡋࠊᤵᴗᅇᩘᅇศ㸦ᖹᡂᖺ᭶᪥ ࠿ࡽ᭶᪥ࡲ࡛㸧ࡢࢹ࣮ࢱࢆ౑⏝ࡍࡿࠋ 㸱㸬㸰 ᙧែ⣲ゎᯒࢶ࣮ࣝ࡟ࡼࡿ༢ㄒࡢ࣐ࣞ໬ ᩍ⛉᭩ࡢⱥᩥ࡟ᑐࡋ࡚ࠊ⮬↛ゝㄒฎ⌮ࡢᙧែ⣲ゎᯒ ࢶ࣮࡛ࣝ࠶ࡿTreeTagger㸦Schmid“Probabilistic”㸧ࢆᐇ 

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⾜ࡋࠊ༢ㄒࢆᇶᮏᙧ࡟ᡠࡋࡓࣜࢫࢺࢆసᡂࡍࡿࠋࡇࡢ ࢶ࣮ࣝࡣࠊࢻ࢖ࢶࡢᩘ⌮ゝㄒᏛࡢ◊✲⪅࡛࠶ࡿHelmut Schmid ࡀ 㛤 Ⓨ ࡋ ࠊ බ 㛤 ࡋ ࡚ ࠸ ࡿ ࡶ ࡢ ࡛ ࠶ ࡿ 㸦 ⏣ ୰ 㸧ࠋWindows OS ࡸ PC-Linux OSࠊMac OS࡞࡝࡛ᐇ ⾜ ྍ ⬟ ࡛ ࠶ ࡿ ࡀ 㸦 Schmid “TreeTagger” 㸧 ࠊ ௒ ᅇ ࡣ Windows OSୖ࡛ᐇ⾜⎔ቃࢆᩚ࠼ࡓࠋ㧗㏿࡟ฎ⌮ࡀ⾜࠼ ࡿࢶ࣮࡛ࣝ࠶ࡾࠊㄒࡢⱥᩥࢆ⣙⛊࡛ゎᯒ࡛ࡁࡿ 㸦OS: Windows7,CPU: 2.3GHz, RAM: 4GB㸧ࠋ

TreeTaggerࡢᐇ⾜ᡭ㡰ࢆᅗ࡟♧ࡍࠋධຊࢹ࣮ࢱࡣࠊ ࢸ࢟ࢫࢺࣇ࢓࢖ࣝᙧᘧࡢⱥᩥ࡛࠶ࡿࠋࣃࢯࢥࣥୖ࡛ࢥ ࣐ࣥࢻࣉࣟࣥࣉࢺࢆ㉳ືࡋࠊࢫࢡࣜࣉࢺࣇ࢓࢖࡛ࣝ࠶ࡿ “tag-english”ࢆᐇ⾜ࡍࡿࠋᐇ⾜᫬ࡢ➨ᘬᩘࡣࠊⱥᩥࡢࢸ ࢟ࢫࢺࣇ࢓࢖ࣝྡ࡛࠶ࡿࠋᐇ⾜⤖ᯝࡣࠊࢹࣇ࢛ࣝࢺ࡛ࡣ ᐇ⾜⏬㠃ୖ࡟ᶆ‽ฟຊࡉࢀࡿタᐃ࡟࡞ࡗ࡚࠸ࡿࡓࡵࠊࣜ ࢲ࢖ࣞࢡࢺᶵ⬟ࢆ౑ࡗ࡚ࠊࢸ࢟ࢫࢺࣇ࢓࢖ࣝ࡟ฟຊࡉࡏ ࡿࠋฟຊࣇ࢓࢖ࣝ࡟ࡣࠊ༢ㄒࡢゎᯒ⤖ᯝ࡜ࡋ࡚ࠊ⾜࡟ ༢ㄒ࡜ရモ␎ྕࠊ༢ㄒࡢᇶᮏᙧࡀฟຊࡉࢀࡿࠋရモ␎ྕ ࡜ࡋ࡚ࡣࠊྡモࡢ༢ᩘᙧࡲࡓࡣ㉁㔞ྡモ࡟ࡣNN㸦noun, singular or mass 㸧 ࠊ ྡ モ ࡢ 」 ᩘ ᙧ ࡟ ࡣ NNS 㸦 noun, plural㸧ࠊືモࡢཎᙧ࡟ࡣVV㸦verb, base form㸧ࠊືモࡢ ືྡモ㸭⌧ᅾศモ࡟ࡣVVG㸦verb, gerund/participle㸧ࠊ ືモࡢ㐣ཤศモ࡟ࡣVVN㸦verb,past participle㸧࡞࡝ࡀ ౑ࢃࢀ࡚࠸ࡿ㸦UNIVERSITY㸧ࠋ 㸱㸬㸱 ⱥᩥศ๭ࣉࣟࢢ࣒ࣛࡢ㛤Ⓨ TreeTaggerࡢฟຊࣇ࢓࢖ࣝ࡟ࡣࠊⱥᩥ࡟ฟ⌧ࡍࡿ඲࡚ ࡢ༢ㄒࡸྃㄞⅬࠊグྕࠊ࢔ࣛࣅ࢔ᩘᏐ࡞࡝ࡢゎᯒ⤖ᯝࡀ ࡑࢀࡒࢀ⾜ࡎࡘ࡟ฟຊࡉࢀࡿࡓࡵࠊࡑࡢࡲࡲࡢ≧ែ࡛ ࡣᩍ⛉᭩ࡢⱥᩥ࡜༢ㄒࡢᑐᛂ௜ࡅࡀᐜ࡛᫆ࡣ࡞࠸࡜࠸࠺ ၥ㢟ࡀ࠶ࡿࠋࡇࡢၥ㢟ࢆゎỴࡍࡿࡓࡵ࡟ࠊⱥᩥࢆᵓᡂࡍ ࡿ༢ㄒࢆศ๭ࡍࡿࣉࣟࢢ࣒ࣛࢆࠊExcelࡢVisual Basic for Applications (VBA)ࢆ౑ࡗ࡚㛤Ⓨࡋ࡚ࠊࡑࡢᑐᛂ௜ࡅస ᴗࢆ⿵ຓࡍࡿࣜࢫࢺࢆ⮬ື࡛సᡂࡍࡿࡇ࡜࡟ࡋࡓࠋ 㛤Ⓨࣉࣟࢢ࣒ࣛࡢᐇ⾜⏬㠃ࢆᅗ࡟♧ࡍࠋࡇࡢࣉࣟ ࢢ࣒ࣛࡣࠊࢹ࣮ࢱࡢᩚᙧࢆ୺࡜ࡋࡓࢡࣞࣥࢪࣥࢢసᴗࡸࠊ ࣉࣟࢢ࣒ࣛࡀฟຊࡍࡿ༢ㄒᩘࡢ㞟ィసᴗࢆ⮬ື໬ࡍࡿࡶ ࡢ࡛࠶ࡿࠋᤵᴗᅇศࡢⱥᩥࢆධຊࡍࡿ࡜ࠊⱥᩥࡢࣃࣛ ࢢࣛࣇ࡜ࢭࣥࢸࣥࢫࡈ࡜࡟ࢼࣥࣂࣜࣥࢢࢆ⾜࠺ࠋࡑࡢᚋࠊ ᩥ❶ࢆࢭࣥࢸࣥࢫࡈ࡜࡟ศࡅ࡚ࠊࡑࢀࡒࢀࡢᩥ❶ࡢ┤ୗ ࡟ࠊฟ⌧ࡋࡓ༢ㄒࢆ୪࡭࡚ࣜࢫࢺ࡜ࡋ࡚ฟຊࡍࡿࠋࡇࡢ ᫬ࠊྃㄞⅬࡸグྕࠊ࢔ࣛࣅ࢔ᩘᏐ࡞࡝ࡣฟຊࡢᑐ㇟እ࡜ ࡍࡿࠋࡲࡓࠊᅇࡢᤵᴗ⠊ᅖ࡛ྠ୍ࡢ༢ㄒࢆ⧞ࡾ㏉ࡋ㔜 せ༢ㄒ࡜ࡋ࡚㑅ࡧฟࡍࡇ࡜ࡣ࡞࠸ࡓࡵࠊ㔜」ࡋ࡚ฟ⌧ࡍ ࡿ༢ㄒࢆࣜࢫࢺ࠿ࡽ๐㝖ࡍࡿᶵ⬟ࢆᣢࡓࡏࡿࠋ ࡇࡢࣉࣟࢢ࣒ࣛࢆ฼⏝ࡍࡿࡇ࡜࡛ࠊศ๭ࡉࢀࡓಶࠎ ࡢ༢ㄒࡀᩍ⛉᭩ࡢ࡝ࡢᩥ❶࠿ࡽ㑅ࡤࢀࡓࡶࡢ࡛࠶ࡿ࠿ࢆ ♧ࡍࠊ࢞࢖ࢻⓗᙺ๭ࢆᯝࡓࡍࣜࢫࢺࢆసᡂࡍࡿࡇ࡜ࡀ࡛ ࡁࡿࠋ ḟ࡟ࠊ㛤Ⓨࡋࡓⱥᩥศ๭ࣉࣟࢢ࣒ࣛࡢᐇ⾜⤖ᯝࡢ౛ ࢆᅗ࡟♧ࡍࠋࣜࢫࢺࡢᕥഃ࡟ࡣࠊฟ⌧ࡋࡓ඲࡚ࡢ༢ ㄒࢆ⾲♧ࡍࡿࠋࣜࢫࢺࡢྑഃ࡟ࡣࠊ㔜」ࡍࡿ༢ㄒࢆ๐㝖 ࡋࡓࣜࢫࢺ࡜ࠊྛ༢ㄒࡢฟ⌧ᅇᩘࢆ⾲♧ࡍࡿࠋฟ⌧㢖ᗘ ࡢ್ࢆ⮬ື࡛㞟ィࡋ࡚⾲♧ࡍࡿࡇ࡜࡛ࠊ฼⏝⪅ࡀ㔜せ༢ ㄒࢆ㑅ᢥࡍࡿ㝿ࡢุ᩿ᮦᩱࡢࡘ࡟ࡍࡿࡇ࡜ࡀ࡛ࡁࡿࠋ ᅗ ⱥᩥศ๭ࣉࣟࢢ࣒ࣛᐇ⾜⏬㠃 ো ৡ 崯 嵤 崧 ؟ ઇ ఐ છ 峘 ஶ ધ ৰ ষ ઺ એ ؟ 崛 嵆 嵛 崱 峼 ো ৡ ৰ ষ ੥ ટ ؟ ল ৡ 崯 嵤 崧 ੪峘౐ୁ岝ષဨ岝লৡ౐ୁ ੦ম஄OHPPD WDJHQJOLVK LQW[W!RXWW[W

ᅗ TreeTagger ᐇ⾜ᡭ㡰 /HVVRQ:ULWLQJ6\VWHPVLQWKH:RUOG /HVVRQ:ULWLQJ6\VWHPVLQWKH:RUOG >@ ⋇'R\RXUHDGRUZULWHVRPHWKLQJHYHU\GD\">@⋇'R\RXUHDGRUZULWHVRPHWKLQJHYHU\GD\" 'R 'R  \RX \RX  UHDG UHDG  RU RU  ZULWH ZULWH  VRPHWKLQJ VRPHWKLQJ  HYHU\ HYHU\  GD\ GD\  ⋈<RXSUREDEO\HQMR\UHDGLQJERRNV ⋈<RXSUREDEO\HQMR\UHDGLQJERRNV <RX SUREDEO\  SUREDEO\ HQMR\  HQMR\ UHDGLQJ  UHDGLQJ ERRNV  ERRNV ⋉<RXPD\VRPHWLPHVZULWHHPDLOVWR\RXUIULHQGV ⋉<RXPD\VRPHWLPHVZULWHHPDLOVWR\RXU IULHQGV PD\  <RX VRPHWLPHV  PD\ HPDLOV  VRPHWLPHV WR  ZULWH \RXU  HPDLOV IULHQGV  WR >@⋇8VLQJOHWWHUVDQGFKDUDFWHUVLVLPSRUWDQWIRUFRPPXQLFDWLRQ \RXU 8VLQJ  IULHQGV OHWWHUV  >@ ⋇8VLQJOHWWHUVDQGFKDUDFWHUVLVLPSRUWDQW IRU FRPPXQLFDWLRQ DQG  ؟੎ള౐ୁ ځ౐ୁ峘লਠ৚ਯ 㔜」༢ㄒ๐㝖๓ 㔜」༢ㄒ๐㝖ᚋ ᅗ ⱥᩥศ๭ࣉࣟࢢ࣒ࣛᐇ⾜⤖ᯝ ࠉࠉ7+(*810$̻.2+6(15(9,(:1R

(3)

㸱㸬㸲 ㄒᙡศᯒ



ᐇ㦂ࢹ࣮ࢱ࡛࠶ࡿⱥᩥࢆTreeTagger࡟㐺⏝ࡋ࡚࣐ࣞ໬ ࡉࢀࡓ༢ㄒ࡜ࠊⱥᩥศ๭ࣉࣟࢢ࣒ࣛࢆ௓ࡋ࡚ฟຊࡉࢀࡓ ⱥᩥ௜ࡁ༢ㄒࣜࢫࢺࡢࢹ࣮ࢱࢆ࣐࣮ࢪࡍࡿసᴗࢆேᡭ࡟ ࡼࡾ⾜࠸ࠊⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒ࡢධຊࢹ࣮ࢱ࡜࡞ ࡿ༢ㄒࣜࢫࢺࢆసᡂࡍࡿࠋ ࡇࡢࣜࢫࢺࡢ༢ㄒ㒊ศࢆධຊࢹ࣮ࢱ࡜ࡋ࡚ࠊⱥ༢ㄒ ศᯒ⾲సᡂࢩࢫࢸ࣒ࢆᐇ⾜ࡍࡿࠋࡑࡢ⤖ᯝࠊㄪᰝᑐ㇟ࡢ ༢ㄒࡑࢀࡒࢀ࡟ᑐࡋ࡚ࠊ」ᩘࡢⱥ༢ㄒᮏࡢ࠺ࡕぢฟࡋㄒ ᢅ࠸࡛ᥖ㍕ࡉࢀ࡚࠸ࡿ෉ᩘࢆ⮬ື㞟ィࡋࡓ್ࡀࠊ୍ぴ⾲ ࡜ࡋ࡚ฟຊࡉࢀࡿࠋࡉࡽ࡟ࠊࡑࢀࡒࢀࡢ༢ㄒࡢヲ⣽᝟ሗ ࡜ࡋ࡚ࠊྛ༢ㄒᮏ࡟ᥖ㍕ࡉࢀ࡚࠸ࡿ✀㢮ࡀࠊぢฟࡋㄒᢅ ࠸ࡢሙྜ࡟ࡣ୸༳ࠊὴ⏕ㄒ࣭㛵㐃ㄒࡢሙྜ࡟ࡣ୕ゅ༳࡛ ⾲♧ࡉࢀࡿ㸦ඵ㫽࣭኱㔝ࠕⱥ༢ㄒ㑅ᢥࠖ㸧ࠋ ࡇ࠺ࡋ࡚సᡂࡉࢀࡓ༢ㄒࡢศᯒ⤖ᯝࢆ♧ࡍ⾲㸦༢ㄒ ศᯒ⾲㸧ࢆࡶ࡜࡟ࠊⱥᩥࡢᩥ⬦ࢆ☜ㄆࡋ࡞ࡀࡽࠊ㔜せ༢ ㄒࢆ㑅ᢥࡋ࡚࠸ࡃࠋ ᐇ⾜౛࡜ࡋ࡚ࠊ༢ㄒศᯒ⾲࡜㑅ู⤖ᯝࡢ୍㒊ࢆ⾲ ࡟♧ࡍࠋࣜࢫࢺࡢᕥഃ࡟༢ㄒࡢࠕ㑅ู⤖ᯝࠖࢆグධࡍࡿ ࡓࡵࡢ༊ศḍࢆタࡅࠊ㔜せ༢ㄒ࡜ࡋ࡚㑅ᢥࡋࡓ༢ㄒ࡟஧ 㔜୸༳ࢆ௜ࡅࡿࠋࡑࡢ௚ࠊ୰Ꮫ᪤⩦ㄒ࡟ࡣᫍ༳ࢆࠊ㔜せ ༢ㄒࢆ㝖ࡃᩍ⛉᭩᪂ฟㄒ࡞࡝࡟ࡣ୕ゅ༳ࢆ௜ࡅ࡚࠸ࡃࠋ

㸲㸬ᐇ㦂⤖ᯝ࡜⪃ᐹ

௨ୖ࡟㏙࡭ࡓㄒᙡศᯒసᴗࡢྛ㐣⛬ࢆࠊ᳨ᐃᩍ⛉᭩ ࡢⱥᩥࢆ⏝࠸࡚ᐇ㝿࡟᳨ドࡍࡿࡇ࡜࡛ࠊTreeTagger࡟ࡼ ࡾ⮬ື࡛࣐ࣞ໬ࡋࡓⱥ༢ㄒࡢࠊⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ ࣒࡬ࡢ㐺⏝ྍ⬟ᛶࢆホ౯ࡋࡓࠋ௨ୗ࡟ࠊࡑࡢ⤖ᯝࢆ㏙࡭ ࡿࠋ ᩍ⛉᭩ࡢᮏᩥࢆࠊᤵᴗᅇศ࡟┦ᙜࡍࡿ⣙ㄒࡈ࡜࡟ ศ๭ࡋࠊྜィᅇศࡢⱥᩥࢆ౑ࡗ࡚ᐇ㦂ࢆ⾜ࡗࡓࠋᐇ㦂 ࡟౑⏝ࡋࡓ༢ㄒࡢ⥲ᩘࡣࠊㄒ࡛࠶ࡿࠋࡇࢀࡽࡢ༢ ㄒࢆࠊTreeTaggerࢆ౑⏝ࡋ࡚⮬ື࡛ᇶᮏᙧ࡟ᡠࡋࡓᚋࠊ ᐇ㦂ᡭ㡰࡟ᚑࡗ࡚㉁ⓗ࡟ศᯒࡋࡓ⤖ᯝࠊ㑅ࡧฟࡋࡓ㔜せ ༢ㄒࡣㄒ㸦࠺ࡕࠊ୰Ꮫ᪤⩦ㄒࡣㄒ㸧࡟࡞ࡗࡓࠋ ࡲࡓࠊ௒ᅇࡢᐇ㦂ࢆ㏻ࡋ࡚ࠊTreeTagger࡛࣐ࣞ໬ࡋࡓ ༢ㄒࢆⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒ࡢධຊࢹ࣮ࢱ࡜ࡋ࡚฼ ⏝ࡍࡿࡓࡵ࡟ࡣࠊḟ࡟♧ࡍ஦๓ฎ⌮ࢆ⾜࠺ᚲせࡀ࠶ࡿࡇ ࡜ࡀุ᫂ࡋࡓࠋ  ࢱ࢖ࢺࣝ⾜ࡢ༢ㄒࡢඛ㢌ᑠᩥᏐ໬ ௒ᅇࡢᐇ㦂ࢹ࣮ࢱ࡛ࡣࠊࢱ࢖ࢺࣝ⾜࡟౑⏝ࡉࢀࡿྛ ༢ㄒࡣࠊ୍㒊ࡢෙモࡸ๓⨨モࠊ᥋⥆モ࡞࡝ࢆ㝖ࡁࠊඛ㢌 ᩥᏐࡀ኱ᩥᏐ࡛᭩࠿ࢀ࡚࠸ࡿࡓࡵࠊᅛ᭷ྡモ࡜ぢ࡞ࡉࢀ ࡚ࡋࡲ࠸ࠊ༢ㄒࡀ」ᩘᙧࡢሙྜ࡛ࡶࠊTreeTagger࡛࣐ࣞ ໬ࡉࢀࡿ㝿࡟ㄒᑿࡢ“s”ࡀ๐㝖ࡉࢀ࡞࠸ࠋࡑࡢࡲࡲࡢ≧ ែ࡛ⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒ࢆᐇ⾜ࡍࡿ࡜ࠊᥖ㍕ᩘࡀ ࢮࣟ࡟࡞ࡿ☜⋡ࡀ㧗࠸ࠋࡑࡢ౛ࢆ⾲࡟♧ࡍࠋࢩࢫࢸ ࣒ࡢཧ↷ࢹ࣮ࢱ࣮࣋ࢫ࡛࠶ࡿⱥ༢ㄒᮏ࡛ࡣࠊ࡯࡜ࢇ࡝ࡢ ༢ ㄒࡀ ぢฟࡋㄒ࡜ࡋ࡚ࡣ༢ᩘᙧ࡛ᥖ㍕ࡉࢀ࡚ ࠾ ࡾ ࠊ “clothes”ࡸ“means”࡞࡝ࡢ୍㒊ࡢ౛እࢆ㝖ࡁࠊㄒᑿ࡟“s” ࡀ௜ࡃ」ᩘᙧࡣᥖ㍕ࡉࢀ࡚࠸࡞࠸ࠋ ࡇࡢၥ㢟࡬ࡢᑐ⟇࡜ࡋ࡚ࠊࢱ࢖ࢺࣝ⾜ࡢⱥᩥ࡟ࡘ࠸ ࡚ࡣࠊᅛ᭷ྡモࢆ㝖ࡁࠊ඲యࢆᑠᩥᏐ໬ࡋࠊ኱ᩥᏐ࡛ጞ ࡲࡿ༢ㄒࡀᅛ᭷ྡモ࡜ࡋุ࡚᩿ࡉࢀࡿࡇ࡜ࢆ㜵ࡄࡇ࡜࡟ ࡋࡓࠋ ࡑࡢᐇ⾜౛࡜ࡋ࡚ࠊࢱ࢖ࢺࣝ⾜ࡀඛ㢌኱ᩥᏐࡢሙྜ ࡜ࠊᑠᩥᏐ໬ࡋࡓሙྜࡢTreeTaggerࡢᐇ⾜⤖ᯝࡢ㐪࠸ࢆ ᅗ࡟♧ࡍࠋᅗࡢᕥഃࡣࠊ༢ㄒࡢඛ㢌ࡀ኱ᩥᏐࡢሙྜ ࡢ ධ ຊ ࢹ ࣮ ࢱ ࡜ ࠊ TreeTagger ࡢ ゎ ᯒ ⤖ ᯝ ࡛ ࠶ ࡿ ࠋ “Moments”ࡸ“Systems”ࡢရモࡣࠊᅛ᭷ྡモࢆ♧ࡍNPࡸ ⾲ ༢ㄒศᯒ⾲࡜㑅ู⤖ᯝࡢ୍㒊 ۔㸸㔜せ༢ㄒࠊۻ㸸୰Ꮫ᪤⩦ㄒࠊڹ㸸ࡑࡢ௚ ৭શ ੥ટ       >@⋇8VLQJOHWWHUVDQGFKDUDFWHUVLVLPSRUWDQWIRUFRPPXQLFDWLRQ 8VLQJ XVH         ۻ OHWWHUV OHWWHU  س   س    ۔ۻ FKDUDFWHUV FKDUDFWHU  س ٺ ٺ س س س  LPSRUWDQW LPSRUWDQW         FRPPXQLFDWLRQFRPPXQLFDWLRQ      ٺ ٺ  ⋈0DQ\RIWKHPZHUHFUHDWHGWKURXJKXQLTXHSURFHVVHVWKURXJKRXWKLVWRU\ 0DQ\ PDQ\         ۔ FUHDWHG FUHDWH  ٺ ٺ س  س س  ۻ WKURXJK WKURXJK         ۔ XQLTXH XQLTXH    س  س س  ۔ SURFHVVHV SURFHVV  ٺ ٺ ٺ س ٺ س  ۔ WKURXJKRXW WKURXJKRXW      س س  KLVWRU\ KLVWRU\      س   ⋉)RUH[DPSOHn$|LQWKH(QJOLVKDOSKDEHWFRPHVIURPWKHVKDSHRIDQR[KHDG H[DPSOH H[DPSOH         (QJOLVK (QJOLVK         ڹ DOSKDEHW DOSKDEHW         ڹ FRPHVIURPf FRPHV FRPH         IURP IURP         ۔ۻ VKDSH VKDSH  س  س س س س  ڹ R[ R[     س    KHDG KHDG    س س    ⋊,Q-DSDQHVHKLUDJDQDZDVVLPSOLILHGIURP&KLQHVHFKDUDFWHUV -DSDQHVH -DSDQHVH         KLUDJDQD KLUDJDQD         VLPSOLILHG VLPSOLILHG         ڹ VLPSOLI\ VLPSOLI\      ٺ ٺ  ڹ &KLQHVH &KLQHVH         ڹ &KLQHVHFKDUDFWHUV &KLQHVHFKDUDFWHUV  >@⋇5RRWVRIPDQ\OHWWHUVDQGFKDUDFWHUVHYHQGDWHEDFNWRDQFLHQWWLPHV ۔ URRW V URRW     ٺ س س  ۔ HYHQ HYHQ   س  س ٺ س  7UHH7DJJHU 岜ஶ౐ୁীෲ਀੿ਛ崟崡崮嵈 岜س؟ৄল峁ୁ岝ٺ؟ୣে嵣ঢ়৴ୁ ஶધীસ崿嵕崘嵑嵈 ઞ৷౐ୁ ੦ম஄ 1R ౐ୁম ৄলୁ ൕൗਯ ⾲ ༢ᩘᙧ࡜」ᩘᙧࡢぢฟࡋㄒᥖ㍕ᩘ س؟ৄল峁ୁ ৄলୁ       ൕൗਯ V\VWHPV         PRPHQWV         V\VWHP      س س  PRPHQW    س  س س  ౐ਯ஄ 1R ౐ୁম ౐ୁ ളਯ஄ ரథ ᝟ሗ⛉Ꮫⓗ࢔ࣉ࣮ࣟࢳ࡟ࡼࡿⱥㄒ᳨ᐃᩍ⛉᭩ࡢㄒᙡศᯒࠉࠉ

(4)

ࡑࡢ」ᩘᙧࡢNPSࡀ⾲♧ࡉࢀ࡚࠸ࡿࡓࡵࠊㄒᑿࡢ“s”ࡀ ๐㝖ࡉࢀ࡚࠸࡞࠸ࠋᅗࡢྑഃࡣࠊ༢ㄒࡢඛ㢌ࢆᑠᩥᏐ࡟ ኚ ᥮ ࡋ ࡓ ධ ຊ ࢹ ࣮ ࢱ ࡜ ࠊ ࡑ ࡢ ゎ ᯒ ⤖ ᯝ ࡛ ࠶ ࡿ ࠋ “moments”ࡸ“systems”ࡢရモࡣྡモࡢ」ᩘᙧ㸦NNS㸧࡜ ゎᯒࡉࢀࠊ༢ㄒࡢㄒᑿࡢ“s”ࡀ๐㝖ࡉࢀ࡚࠸ࡿࠋ  ࣆࣜ࢜ࢻࢆ」ᩘ౑⏝ࡍࡿ┬␎ᙧ༢ㄒࡢグྕ⨨᥮ ⱥ༢ㄒࡢ୰࡟ࡣࠊ“A.M.”ࡸ“P.M.”ࠊ“B.C.”ࡸ“A.D.”ࡢ ࡼ࠺࡟ࠊࣆࣜ࢜ࢻࢆ」ᩘ౑⏝ࡍࡿ┬␎ᙧ⾲⌧ࡀᏑᅾࡍࡿࠋ TreeTagger࡛ࡣࠊࡇࢀࡽࡢ⾲⌧ࡣࣆࣜ࢜ࢻ࡛ศࡅࡽࢀࠊ 」ᩘࡢ༢ㄒ࡛࠶ࡿ࡜ゎᯒࡉࢀࡿࠋ౛࠼ࡤࠊ“A.M.”ࡣ“A.” ࡜“M.”ࡢࡘ࡟ศ๭ࡉࢀ࡚ࡋࡲ࠺ࠋࡇࢀࢆ㜵ࡄࡓࡵ࡟ࠊ ஦๓࡟ࣆࣜ࢜ࢻࢆูࡢグྕ㸦౛“A_M_”㸧࡟⨨ࡁ᥮࠼ࡿ సᴗࡀᚲせ࡛࠶ࡿࠋ  ✰ᇙࡵၥ㢟ࡢゎ⟅ࡢᇙࡵ㎸ࡳ ௒ᅇࡢᐇ㦂ࢹ࣮ࢱࡢ⠊ᅖእ࡛ࡣ࠶ࡿࡀࠊTreeTaggerࡢ ゎᯒࡣᩥ⬦ࢆ౑⏝ࡍࡿࡇ࡜࠿ࡽࠊᩍ⛉᭩ࡢ₇⩦ၥ㢟ࡸ TOEIC࡞࡝࡟ぢࡽࢀࡿ✰ᇙࡵၥ㢟ࢆྵࡴⱥᩥ࡟ࡣࠊ㑅ᢥ ⫥ࡸゎ⟅ࢆᇙࡵ㎸ࡴ࡞࡝ࡢฎ⌮ࡀᚲせ࡟࡞ࡿࠋ

㸳㸬ࡲ࡜ࡵ

ᮏ◊✲ࡢ┠ⓗࡣࠊⱥᩥࢆᵓᡂࡍࡿ༢ㄒࢆࠊ᝟ሗฎ⌮ ᢏ⾡ࢆ⏝࠸࡚ຠ⋡ⓗ࡟ศᯒࡍࡿ᪉ἲࢆぢฟࡍࡇ࡜࡛࠶ࡗ ࡓࠋࡑࡇ࡛ࠊExcel࡟ᶆ‽⿦ഛࡉࢀ࡚࠸ࡿVBAࢆά⏝ࡋࠊ ⱥᩥࢆ༢ㄒ࡟ศ๭ࡍࡿࣉࣟࢢ࣒ࣛࢆ㛤Ⓨࡋࡓࠋศ๭ࡉࢀ ࡓ༢ㄒࢆᇶᮏᙧ࡟ᡠࡍฎ⌮ࢆ⮬ື໬ࡍࡿ㝿࡟ࡣࠊᙧែ⣲ ゎᯒࢶ࣮ࣝࡢWindows∧TreeTaggerࢆ฼⏝ࡋࡓࠋࡑࡢୖ ࡛ࠊࡇࡢࣉࣟࢢ࣒ࣛࢆࠊඛ⾜◊✲࡛ᵓ⠏ࡋࡓㄒᙡࢹ࣮ࢱ ࣮࣋ࢫ࡜㐃ືࡉࡏࡿࡇ࡜ࢆヨࡳࡓࠋ ᳨ᐃᩍ⛉᭩ࢆ⏝࠸࡚⾜ࡗࡓᐇ㦂ࡢ⤖ᯝࠊ᪂ࡓ࡟㛤Ⓨ ࡋࡓⱥᩥศ๭ࣉࣟࢢ࣒ࣛࢆ⏝࠸ࡿࡇ࡜࡛ࠊᙧែ⣲ゎᯒ ࢶ࣮ࣝࡢWindows∧TreeTaggerࢆ౑ࡗ࡚࣐ࣞ໬ࡋࡓ༢ㄒ ࢆࠊⱥ༢ㄒศᯒ⾲సᡂࢩࢫࢸ࣒࡟㐺⏝ࡍࡿࡇ࡜ࡀ࡛ࡁࡿ ࡇ࡜ࡀ☜ㄆ࡛ࡁࡓࠋࡇࢀ࡟ࡼࡾࠊⱥᩥ࡟ฟ⌧ࡍࡿ༢ㄒࢆ ᝟ሗฎ⌮ᢏ⾡ࢆ⏝࠸࡚▷᫬㛫࡛ຠ⋡ⓗ࡟ศᯒࡍࡿ᪉ἲࢆ ☜❧ࡍࡿぢ㏻ࡋࢆᚓࡿࡇ࡜ࡀ࡛ࡁࡓࠋ ௒ᅇࡢ◊✲ᡂᯝࡢ୍౛࡜ࡋ࡚ࠊᐇ㦂⤖ᯝࢆࡶ࡜࡟స ᡂࡋࡓᤵᴗ⏝ࡢࣉࣜࣥࢺᩍᮦࢆᅗ࡟♧ࡍࠋ

㸴㸬௒ᚋࡢㄢ㢟

௒ᚋࡢㄢ㢟࡜ࡋ࡚ࡣࠊ௒ᅇࡢᐇ㦂᪉ἲࡢ⮬ື໬ࢆ᳨ ウࡋ࡚࠸ࡿࠋ౛࠼ࡤࠊ⌧ᅾࡣࢥ࣐ࣥࢻࣉࣟࣥࣉࢺ࠿ࡽᡭ ධຊ࡛ᐇ⾜ࡋ࡚࠸ࡿTreeTaggerࡣࠊVBAࣉࣟࢢ࣒ࣛ࡟⤌ ࡳ㎸ࡴࡇ࡜ࡀ࡛ࡁࡿࠋᮏ◊✲࡛㛤Ⓨࡋࡓⱥᩥศ๭ࣉࣟࢢ ࣒ࣛࡢ࢔ࣝࢦࣜࢬ࣒ࢆࡶ࡜࡟ࠊExcelୖ࠿ࡽධຊࢹ࣮ࢱ ࡢᩚᙧࢆ⾜࠸ࠊTreeTaggerࢆᐇ⾜ࡋࠊࡑࡢ⤖ᯝࢆ⮬ື㞟 ィࡍࡿࡲ࡛ࡢ୍㐃ࡢసᴗࢆࠊ⮬ື໬ࡍࡿࡇ࡜ࢆ㐍ࡵ࡚࠸ ࡁࡓ࠸ࠋ ࡲࡓࠊᮏ◊✲࡛ᵓ⠏ࡋࡓㄒᙡศᯒࡢᡭἲࡣࠊࡉࡲࡊ ࡲ࡞ⱥᩥ࡟㐺⏝ྍ⬟࡛࠶ࡿࠋᙜ㠃ࡢㄢ㢟࡜ࡋ࡚ࡣࠊ ᖺ  ᭶ ࠿ ࡽ ᪂ ᙧ ᘧ ࡟ ኚ ᭦ ࡉ ࢀ ࡓ TOEIC Reading & Listening Testࡢࠗබᘧၥ㢟㞟࠘㸦Educational㸧ࡢ༢ㄒࢆ ศᯒࡍࡿணᐃ࡛࠶ࡿࠋ

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੪峘౐ୁ ષဨ লৡ౐ୁ ੪峘౐ୁ ષဨ লৡ౐ୁ

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ᮏ◊✲࡛㛤Ⓨࡋࡓⱥᩥศ๭ࣉࣟࢢ࣒ࣛࢆ౑࠺ࡇ࡜࡛ࠊ ධຊࢹ࣮ࢱࡢᩚᙧࢆ୺࡜ࡋࡓࢡࣞࣥࢪࣥࢢసᴗࡸࠊฟ⌧ ࡍࡿ༢ㄒᩘࡢ㞟ィసᴗࢆ⮬ື࡛⾜࠺ࡇ࡜ࡀ࡛ࡁࡿࠋࡲࡓࠊ TreeTagger࡛࣐ࣞ໬ࡋࡓ༢ㄒࢆࠊⱥ༢ㄒศᯒ⾲సᡂࢩࢫ ࢸ࣒࡟㐺⏝ࡍࡿࡇ࡜࡛ࠊ༢ㄒࢆฟ⌧㢖ᗘࡢ್࠿ࡽᶵᲔⓗ ࡟㑅ูࡋࠊ㔜せ༢ㄒࣜࢫࢺࢆసᡂࡍࡿࡇ࡜ࡶྍ⬟࡛࠶ࡿࠋ ࡇ࠺ࡋࡓᇶ♏ⓗ◊✲ࢆ⥅⥆ࡋ࡞ࡀࡽࠊᏛ⩦⪅ࡀࡼࡾ ຠᯝⓗ࡟ㄒᙡࢆ⩦ᚓ࡛ࡁࡿ᪉ἲࢆ᥈ồࡋࠊࡑࡢࡓࡵࡢᏛ ⩦⎔ቃࡢᩚഛࢆ⾜ࡗ࡚࠸ࡁࡓ࠸ࠋ ཧ⪃ᩥ⊩

Educational Testing Service (2016).ࠗTOEICࢸࢫࢺබᘧၥ 㢟㞟㸸᪂ᙧᘧၥ㢟ᑐᛂ⦅࠘ᮾி㸸ᅜ㝿ࣅࢪࢿࢫࢥ ࣑ࣗࢽࢣ࣮ࢩࣙࣥ༠఍㸬

Schmid, Helmut. (1994). “Probabilistic Part-of-Speech Tagging Using Decision Trees.” Proceedings of

International Conference on New Methods in Language Processing, 44-49.

㸫㸫㸫“TreeTagger.” Retrieved August 8, 2016, from: http: //www.cis.uni-muenchen.de/~schmid/tools/TreeTagger UNIVERSITY of WASHINGTON (UW) Courses Web

Server. “Tree Tagger Tags.” Retrieved August 8, 2016,

from: https://courses.washington.edu/hypertxt/csar-v02/ penntable.html ᒾᓮὒ୍ࠕࢩ࢙ࣝࢫࢡࣜࣉࢺࢆά⏝ࡋࡓⱥㄒㄒᙡศᯒ ࣉࣟࢢ࣒ࣛࡢᣑᙇࠖࠗᮌ᭦ὠᕤᴗ㧗➼ᑓ㛛Ꮫᰯ⣖ せ࠘  㸸 ⓑ஭ᜤᘯࠗእᅜㄒᏛ⩦ࡢ⛉Ꮫ̿̿➨஧ゝㄒ⩦ᚓㄽ࡜ࡣ ఱ࠿࠘ᒾἼ᪂᭩ᮾி㸸ᒾἼ᭩ᗑ ⏣୰┬స㸬ࠕᙧែ⣲ゎᯒࢶ࣮ࣝ̿ⱥㄒ࡜ TreeTagger ࢆ ୰ᚰ࡟̿ࠖࠗ஑ᕞ኱Ꮫ᝟ሗᇶ┙ࢭࣥࢱ࣮ᗈሗ࠘㸬 9RO1R  㸸㸬 ⏣୰┬సࠊ෠ᾆὒ୍ࠊᚨぢ㐨ኵ㸬ࠕᶵ㛵࣏ࣜࢪࢺࣜ࠿ࡽ ᚓࡽࢀࡿⴭ⪅ࡢㄒᙡศᕸ࡟ᇶ࡙࠸ࡓ㒊ᒁู㔜せㄒᙡ ࡢ㑅ᐃࠖࠗேᩥ⛉Ꮫ࡜ࢥࣥࣆ࣮ࣗࢱࢩ࣏ࣥࢪ࣒࢘࠘㸬  ᖺ1R  㸸 ඵ㫽ྜྷ᫂ࠊ኱㔝ె௦Ꮚࠕⱥ༢ㄒᏛ⩦⏝ Web ᩍᮦ㛤Ⓨ ̿̿ຠᯝⓗ࡞ⱥㄒᏛ⩦ἲࢆồࡵ࡚ࠖࠗ⩌㤿㧗ᑓࣞ ࣅ࣮ࣗ࠘  㸸 㸫㸫㸫ࠕⱥ༢ㄒ㑅ᢥࢩࢫࢸ࣒ࡢ㛤Ⓨ࡜ᛂ⏝ࠖࠗ⩌㤿㧗 ᑓࣞࣅ࣮ࣗ࠘  㸸 㸫㸫㸫ࠕ㧗ᑓ⏕࡟ᚲせ࡞ㄒᙡࢆồࡵ࡚̿̿Ꮫ⩦⏝ㄒᙡ ࣜࢫࢺࢆ⏝࠸ࡓㄒᙡࢹ࣮ࢱ࣮࣋ࢫࡢᵓ⠏࡜ࡑࡢ᳨ド ̿̿ࠖࠗ&2&(7◊✲ㄽ㞟࠘  㸸 ᳃ఫ⾨ࠊ௚  ྡࠗMY WAY English Communication I࠘

ᮾி㸸୕┬ᇽ

Analyzing the Vocabulary

of a Certified English Textbook:

An Information-Technology Approach

Yoshiaki HACHITORI and Kayoko OHNO

This study examines a method we constructed to analyze words used to form sentences in the English language by applying information-processing technology. In order to develop effective methods to increase students’ vocabulary, we have been conducting research on introducing information-processing technology in English language education. In this study, we developed a program that deconstructs sentences in English into words using the Visual Basic for Applications (VBA) of Excel as the programming language. TreeTagger, a morphological analysis tool, was used to render words in their basic form. Linking this program to our vocabulary database, which was developed in a separate study, enabled us to choose the important words based on frequency analysis. To evaluate the efficiency of this method, an experiment was conducted using a certified English textbook. The results of the experiment show that this method is effective in analyzing different parts of speech and frequency of word usage in sentences, and the analysis takes a short amount of time.

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