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適応型単語リストを用いた自律学習支援システムの構築

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(1)Vol.2012-CE-115 No.6 2012/7/7. ņčÔƯěºǀLjčû IPSJ SIG Technical Report. G +#. C:?(%<0/ 6; ČƚȯǢ†  ħñýǕ†† ƀíș¯†† ɉĨÌȼ†. ƮĈɐe£|¥†~‚§JLěưKǬĽěǤKŢŹGI\Ŀ]¥|0ɐȂȍYÖȳ`ā_;ĒţĚĈ 8E+]ɑ8/8ɐëȍKňü0_/[I/B?\ɐř8E+]¥|`ř8ĹE]5G0F1I/B ?\:]?WɐěưLSGaH`ŢŹG8EÛƱF1;J+]ɑ =5FɐŸǀLjFLɐ¥|JúT^]ëȍJƽƼ8ɐěưKĦÆŗƈYťŰKÖȳIH`‹£‚Jɐ ¥|ȷKrte£Ɉ»ĵ`ȄǏ8%Ɉ»8E+]¥|J·ĥ:]ȢŰ`Ʊ+ëȍKňüY¥|` Śdz8ɐe£|¥†~‚§KȘŦ`ŢŹG8EÛƱF1]Z,J:]ǬĽěǤŠŞvx€—`ŜƆ:]ɑ. Improvement of Personalized Teaching Material Generator Based on Word Set IKUMI HORIE† KENJI KASHIWABARA†† KAZUNORI YAMAGUCHI†† YUKA IIJIMA† We propose the concept of a word set for constructing a teaching material generation system. The system suggests the meanings of words in reading materials for a student and generates a personalized glossary. We improved a previous prototype system based on this concept. The similarity of the reading materials is estimated by the cosine similarity in the proposed system. Then, some experiments verified that the system is promising.. 1.  . ěǤ ‘Ÿ0©ĉ¦@GɐÁ-Ţÿ0ŢŹG8E  te ‚`Ǜ´8?G8EXɐ=K  te‚0ÏEKěưJȭ.  ȣŻɐr£š¥|KńǪYȨÅŎǷKƸȫJZ\ɐ. 8E+]/L©ŬF*]ɑT?ɐěư0ǬĽěǤƱJŢŹ. ICT(Information and Communication Technology)¥. `ř8?G8EX  te‚0?27a*\ɐHK  t. Ÿ`ŢǩJƠƱ:]ȈU0Ē2I7^E+]ɑĝȻɐ. e‚0ǬÖJȭ8E+]/H,/0_/[;ǾC3[^I. ÏĆKĆÐDŽNJēěɐƿŵēě.ZOɋǍġȵěƃFɐĒ. +5G0Ē'*]ɑ5^[K5G/[ɐěưJ*_<?Ǻ. 2KŗƈJ.+Er£š¥|0Ʊ+[^ɐěưLr£. áƏǪ`œCvx€—0ŴT^E+]5G0_/]ɑ=5. š¥|`ÞJ8Eŗƈ`ð3?\ɐ ”¥‚`¿ŋ8?\. F ɐ Ÿ ǀ Lj F L ɐ  !       Y. 8E+]ɑ8/8ɐ ŎǷ05^@3ȜȣIXKJI\ɐ.

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(4) Vol.2012-CE-115 No.6 2012/7/7. ņčÔƯěºǀLjčû IPSJ SIG Technical Report ȳKěǤƏǪ0ĚĈ8I+ɑŸǀLjFȶƸ:]vx€—F. 2). ȱĪ8?ǞơJȸ:]ǰť`ȏUɐƑKȚāJǎ-Zɑ. . LɐÛƱǧ0¿ŋ:]ëȍȽ`Ʊ+EÛƱǧJȭ8?r¥. Ŝǂ7^]ȲǽëȍG=KëȍKňü`UEɐŷƾ. x0ȮRɐŢŹ`ƗȠF1]§JɐȂȍYÖȳ`ȮM;ě. Këȍ0*^M×ŕ8I7+ɑ . ǤF1]Ƥ0ƷI]ɑ¶JɐěưJ²ƘKƘȟJÛƱF1. Ŝǂ7^]Ȳǽëȍ¸đFɐťªJŷƾKëȍ0*. ]te‚Jɐǥȇte‚0*][10,11]ɑ5^[Kǥȇte. ^M×ŕ8I7+ɑ. ‚LɐȍěKŗƈK­ǤIHJZ2À_^E+]0ɐŸǀ. 1)Kā+JC+ELɐěưK«ȀF*\ɐ (ė1@0F1. Lj0ƼƺG8E+]KLǥȇFLI2ɐťNjȏȁKěǤŠ. I+)KFė1/Ę+/ȮRI+IHGŅVěưX+?ɑ. ŞF*\ɐëȍKňüŚdzƏǪF*]ɑĝȻɐěưLǥȇ. =5FǬƳJȅȤ8EȖ+(ė1)/(Ę+)/`ŢĬ0. te‚KU`ÛƱ:]KFLI2ɐǥȇ8?ǟſ`ǾEȢ. Ùŧ8ɐoŸ¥_38?ɑűǜƺJLljƐKěư0+?. ŰKëȍGƦ[8ö_<EěǤ8E+]ɑŸǀLjFLɐǬ. ?Wɐ(ǰȍė1)(ǰȍĘ+)(ȅȤI8)K 3 CKoŸ. ĽěǤJLťNjKǥȇFLI2ɐëȍKňü`Śdz:]ũ. ¥`¿ŋ8?ɑ5K 3 CKoŸ¥`Ʊ+ěư0×ŕ8. 0ėT8+GǦ-]ɑ. ?ëȍţ`Ǹ 1ɐą 1 , ą 2 JTGW?ɑ.   ŸȒťFLɐ2 NjFŪĚKvx€—KƉǽGȐɇɐ3 Nj FŨ?Jȥà:]ŚdzƏǪGĝɊJC+EȎŬ8ɐ4 NjF ǟſ`TGW]ɑ. 2.           55FLɐŪĚK¡‚|evx€—JC+EȎŬ: ]ɑT;ɐ2.1 NjJ.+EɐëȍKŚdzKŁǽńJC+E. ²ţ. 2.1 0 /     * B , ŸǀLjFLɐëȍ`ěǤKƄĴȰÖF*]GŖ-ɐǰȍ ěǤKUI[;ɐHKÖȳJ.+EXëȍïĿLűȲǽ€ ¥•F*]GǦ-?ɑ=5FɐǰȍKŢDžŰ0Ŝǂ:]Ȳ ǽëȍGěưKȸȪ`c£p¥‚ȑƂ8?ɑĝɊȊǚLɐ ¸¨KȨ\F*]ɑ . ūŮɕ2012 İ 6 Ų 8 ū. . ²ţɕ20 øɎ,AĖń 5 øɏ. . ěİɕǞơěȰ 3 İư. . ĻĶɕ (ˆex¥ƒĝƮ! TOEIC €x‚ ž¥ d£oȩマŸ)[12]/[ŏ1Õ8?ǰť `ȱĪ8ɐěưLȚāJ5?-ɐȁǎ`hnz ŸŽbeŸJŰ1Õ8ŜÕ:]ɑ5KŰǒJLɐ TOEIC Kž¥d£oāɇ`ĸæ:]?WK āɇ0(v£oŸŠ~z¥w)(}ŸŠ~z ¥w)J_/^ɐ=^>^JÖȳÚJāɇ0ȡ BE+]ɑ55FLɐ(v£oŸŠ~z¥w) KNjK(Ǟơāɇ)`ȮŐ8?ɑT?ɐǰȍK ťNjG¦ǠJŰǒJȡBE+]ɐŸťªKȲǽ ëȍ(8 ëȍ)G=KňüX*_<EȱĪ8?ɑ. ȚāɃƼL¸¨K 3 āFɐȁǎŮȷL 30 ÖG8?ɑ 1) (ǰȍ)0ė1/Ę+/`ǬƳJȤRZɑ. 2012 Information Processing Society of Japan. Ȳǽëȍ¸. KŷǤĿë. đKŷǤĿ. ȍKįĉ. ëȍKįĉ. öȄ. ǰȍė1. 7. 4.4. 3.3. 7.7. ǰȍĘ+. 10. 4.9. 7.3. 12.2. ȅȤI8. 3. 4.7. 4.3. 9.0. 20. 4.7. 5.5. 10.2. öȄ. Ǹ 1 ŷǤĿKëȍKįĉ. ȎŬ:]ɑƑJ 2.2 NjF¡‚|evx€—KƉǽɐ2.3 NjF¡‚|evx€—KȐɇJC+EȤR]ɑ. ȲǽëȍÒ. Table 1 The average of unknown words in an article  Ǹ 1 Z\ɐŰǒÒFȲǽëȍG8EŜǂ7^E+]ë ȍÒFLɐěưKė1Ę+KoŸ¥_3FLH^Xĩ0 SGaHI+5G0_/]ɑ5K5G/[ɐȲǽëȍG8 EŜǂ7^E+]ëȍ0ƗȠƺɀŭĵKɋ+ëȍF*]? WɐHKěưJXŷǤĿF*]5G0ŇËF1]ɑ5^J Ġ8ɐȲǽëȍ¸đFěư0ŷǤĿF*]G×ŕ8?ëȍ JLė1GĘ+FLȸ§Kĩ0*B?ɑ5^LɐǰȍK ěǤ ‘ŸKȬ+GŚƢF1]ɑ  ƑJɐą 1ɐą 2 `Öž:]ɑą 1ɐ2 J.+ELɐƎȞ LěưƶôF*\ɐěưƶô 1ɖ7 TF0ǰȍė1ɐ8ɖ17 TF0ǰȍĘ+ɐ18ɖ20 0ȅȤI8KěưG8?ɑǰȍė 1Kěư?ALɐą 2 J.+E+;^XŷǤĿëȍţ0į ĉ¸¨F*B?ɑ8/8ɐǰȍĘ+Kěư?ALɐą 1 J .+Eē12M[C10*]5G0_/B?ɑ5^Lɐǰ ȍKċǁëȍßJē1+ĩ0ÕE+]GŚƢF1]ɑ  5^[KǟſZ\ɐŰǒ0Ŝǂ:]ȲǽëȍLěưJG BELƗȠƺɀĵKɋ+ëȍF*\ɐěư0ǬĽěǤ:] ?WJL=^@3`Ŝǂ:]KFL©èÖF*]5G0_ /B?ɑT?ɐƨJǰȍĘ+KěưJLċǁëȍßJM[ C10*]?WɐHKěưJXŠŞ:]?WJLɐÇ'K ěưKëȍǤĿ ‘ŸJ*_<?ŠŞ0ŁǽF*]5G0 _/B?ɑ=5FɐŸǀLjFLɐëȍJƥƤ`*Eɐěư KĝȻKěǤ ‘ŸJ*_<EɐÇ'KěưJĠ8Eȭ8 ?Ȳǽëȍ`Ŝǂ:]vx€—`¿ŋ:]5GJ8?ɑ. 2.

(5) Vol.2012-CE-115 No.6 2012/7/7. ņčÔƯěºǀLjčû IPSJ SIG Technical Report. ŷǤĿëȍţ. C`ĢÎ8?ɑGSLJLɐǰȍěǤǧ0T;ï Ŀ:R1űȲǽëȍǖ2000ȍ`ǂ:ëȍ0ú. 8. T^E+]ɑAWLLǰȍćKēěFÀ_^]. 6. Ƌ'IÖȳKŢDžۤěǷȒťǍFÀƱ7^]. 4. ëȍ`ɅĵÚJÖɈŤƯ8?ǟſɐTGW[^. 2. ?ëȍžx‚F*]ɑJACET8000 LūŸēě Ţǩěº(JACET)0¿ŋ8?ūŸKɋǍŢǩƏ. 0 1. 6. 11. ȸFÛƱ7^E+]űȲǽëȍ8000ȍKëȍ. 16. žx‚F*]ɑGSLɐAWLɐJACET8000LH. ěưƶô. ^XɂĮJÅɆĵKɋ+ǰëȍžx‚G8E. ą 1 ȲǽëȍÒKŷǤĿëȍţ Figure 1. ǰȍŢǩǀLjKÖȳFÛƱ7^E+][15]XK. The number of unknown words in important word lists.. F*]ɑ (e) DzƱëȍȽö ěưōųKëȍȽöF*\ɐ. ŷǤĿëȍţ. ¡‚|evx€—`Ʊ+Eõ'ěư0Ʊ ȧJ*_<EoŸ¥æ8?ëȍKȽöF*. 15. ]ɑŗƈFěǤ8?ëȍ`oŸ¥æ8ɐŗƈ Fěa@ëȍȽö`¿ŋ8?\ɐȅŊơUKë. 10. ȍ`oŸ¥æ8ɐǬÖKȍĺ`ǂ:ëȍȽö. 5. ¿ŋ8?\:]5G0F1]ɑ (f) =K¶KëȍȽö (1)FǛ´8?nj¯đĆȍ. 0 1. 3. 5. ěǤǧK?WKƌƣëȍȽöGƷI\ɐ(Ǟơ. 7 9 11 13 15 17 19 ěưƶô. Öȳ)Y(ņčDžěÖȳ)IHÖȳÚY(TOEIC ɅÕëȍ)IHƱȧÚKëȍKȽöF*]ɑ5. ą 2 Ȳǽëȍ¸đKŷǤĿëȍţ. Kvx€—`ÛƱ8¿ŋ:]5GXF1]§. Figure 2 The number of unknown words in an article.. Jɐe£|¥†~‚§FƘJÎB?ëȍȽö` }f£¡¥ƒ8ëȍȽöG8EÛƱ:]5G. 2.2 5 B. XF1]ɑ.  55FLɐŪĚKvx€—JC+EƉǽ`ȎŬ:]ɑŪ ĚKvx€—FLɐą 3 KZ,JɐŽdŸ|¥GťNj`Ʊ +ƇÕ7^?ëȍJĠ8ɐŁǽJł9EȢŰ`N1ëȍȽ. A 7aƱ ŽdŸ|. B 7aƱ ŽdŸ|. ťNj. `¿ŋ8E+]ɑƑJɐťNjɐŽdŸ|¥ɐȢŰJC+E ɄJȊ82ȎŬ:]ɑ A A. (1) ťNj Dz0ěǤƱJƱň8?XKF*\ɐ5KťNj. B. /[ëȍ`ŏ1Õ8ëȍKÖž`Ƕ,ɑ55FƱ+[

(6) 7aƱ ƇÕëȍ. ^]ťNjLɐÖȳYȂȍ`ā_;ɐɁę€lx‚Ʃʼn. 7aƱ ƇÕëȍ. F*^M¶Kź¹LI+ɑǰȍKĎöɐ5KťNj/[ WordNet[13]`Ʊ+ëȍKíĻ@3`ŏ1Õ8Ʉijņ ȢŰ. č`ÝȺ8?ëȍȽö`¿ŋ:]ɑ¦ĵ¿ŋ7^?ë ȍȽöLƑKŽdŸ|¥G8EXÛƱF1]ɑ (2) ŽdŸ|¥ (1)FƱň7^?ťNj/[ɐëȍ`ŏ1Õ 3 LJɈ0ĚĈ:]ɑ (c) ƌƣëȍȽö 5KëȍȽö`Ʊ+EɐěǷƺ JěǤǧK ‘Ÿ`ƢĜ:]5G0F1]ɑƌ ƣëȍȽöLĒ'ĚĈ:]0ɐGeneral. 7aƱ ëȍȽ.

(7) 7aƱ ëȍȽ. :?WKŽdŸ|¥G8EƱ+]ɑŽdŸ|¥¸¨K. ą 3 ¡‚|evx€—ɕťNj/[õ'Jȭ8?ëȍȽ 0¿ŋ7^]Á Figure 3. The previous prototype system: overview. Service List(GSL)[3,4]ɐ Academic Word List(AWL)[5,6]ɐ JACET8000[14] K3. 2012 Information Processing Society of Japan. 3.

(8) Vol.2012-CE-115 No.6 2012/7/7. ņčÔƯěºǀLjčû IPSJ SIG Technical Report (3) ȢŰ ȢŰG8EŽž¥K gene ȢŰ[16]G WordNet. _/B?ɑ. `Ʊ+ɐěǤǧ0HA[/`ȮŐ:]ɑgene ȢŰLɐ NiftyServe KǰºȉŽi¥—(FENG)FÐȶ7^E +?ȢŰF*]ɑÛƱKƔó0*\ƮĈXĒ2Kvx. 3. . 4     . €—FƱ+[^E+]ɑëǶŸ¤Ⱦȋ¤ŨǨ¤Š£Ž.  ŸǀLjFLɐ2 NjFȤR?ŪĚK¡‚|evx€—.  ~‚¤IJûIH/[ťŰYëȍ0ŏ1Õ7^E.\ɐ. KȢŰKȐɇ`ȁƛ:]?WJɐěưK ‘ŸYťŰKÖ. ư1?ǰȍ`ěPǬĽěǤƱJȭ8E+]G+-]ɑ. ȳIHJ*_<EëȍKňü`ŚĜ:]vx€—`Ǧ-?ɑ. WordNet LɐPrinceton ēěFȶƸ7^?Ɣó*]Å. T?ɐǼţKȢŰ`À+ɐȲU·3`Ƕ,5GJZBEɐ. Ɇ.3]ȢŰF*]ɑWordNet LǼţKƏǪ`œAɐ. ťNjJ*B?ÅɆF1]ȢŰ`Śdz:]ƏǪ`ȥà:]ɑ. ňü`ȑR]¸đFɐŸvx€—FLëȍKíĻ`ȑ. 3.1 NjFLƉǽ`ɐ3.2 NjFLȢŰJȸ:]ĐůƤJC+Eɐ. R]KJXƱ+E+]ɑ. 3.3 NjFŚdzvx€—KcecJC+Eɐ3.4 NjFĝɊJ C+EȤR]ɑ. 2 .3 2 $     D H. 3.1 5 B. ŪĚK¡‚|evx€—`Ʊ+EɐÛƱĝɊ`ǶB.  55FLɐŪĚKvx€—KšǯƆKƉǽ`ȎŬ:]ɑ. ?ǟſɐ¸¨ɐȢŰGDz¿ƍK 2 CKē1+āɇ0*]5. ³ĄLɐ2.3 NjFȤR?ƋJɐĀƱKȢŰ`À_;JɐF. G0_/B?ɑ. 1]@3ÅɆń`Õ8ɐT?ɐȏaF+]ťŰJ*_<?. (1) F 3. ëȍKňü`ǬäFőÕF1]5G`ƼƺG8ɐ=^¸đ.  ȢŰJC+ELɐ¸¨ 2 CKāɇ0*]5G0_/B?ɑ. KȰÖLɐŪĚKvx€—`À+Ą:5GG:]ɑ. ¦CƼLɐĀƱȢŰKĔǖāɇF*B?ɑȍěŢÿZ\Ž.  Ũvx€—FLɐąKZ,JɐŽdŸ|¥ɐťNj`Ʊ+. ž¥FLI+ɐÅɆGĝǡ*]ÕƧǃZ\Ƹď7^?ȢŰ. õ'›¥uJ*B?ëȍ`ƇÕ:]TFLɐŪĚKvx€. KĢÎ`īŴ7^?5GJZ\ɐĀƱȢŰKĢÎJù3 3. —G÷9F*]ɑŪĚvx€—FLɐěǤǧ0Ʊň7^E. ǃGêȕ8?ɑ8/8ɐ+;^XȗƱYĔǖ§KāɇFĢ. +]¯CKȢŰKHA[`ÛƱ:]/`ȮŐF1?0ɐŨ. ÎJǭ]®LI/B?ɑĀƱȢŰLɐŪJ¶Kj£e£. vx€—FLěǤǧKȮŐ¸đJɐȢŰKŚdz`Ƕ,ƏǪ. vx€—GƪìÀƱĔǖ`8E8TBE+]ĎöYɐî8. `œCɑ. +²ţÜȹ`/3E+]ĎöIH0*\ɐ³ľXĢÎ0ɀ 8+5G0_/B?ɑ  ¯CƼLɐȍěKěǤØŀǧ/[KǽŴFɐƾ[I+ë. A 7aƱ ŽdŸ|. ťNj. ťNj. ȍ`ǬäFőÕ8ȢŰ`N+E2^]KL++0ɐȢŰJ LǼţKňü0ȡBE+]?WɐHKňüIK/_/\J. A. 2+G+,Ŕş0*B?ɑëȍJLÖȳJZBEňü0Ʒ. A. ťNj. I]ëȍIHX*\ɐØŀǧ0ěǤJÛƱ:]JLT@Û Ʊ0ɀ8+Z,F*B?ɑ=5FɐȢŰ`N1ňü`×ŕ.

(9) 7aƱ ƇÕëȍ. :]KFLI2ɐȏaF+]ťNjJ*_<?ňüKŚdz0 ŁǽI5G0_/B?ɑ  ¸§K5GZ\ɐĀƱȢŰ`ÛƱ<;ɐÅɆK*]ňü `N+?\ɐťNjJ*_<?ëȍKňü`Śdz8?\:]. ȢŰ. ȢŰ. ëȍȽ. ëȍȽ ¤¤¤. ƏǪ0ŁǽF*]5G0_/B?ɑ (2) @  7 " H  2010 İKDz¿ƍšȃJZBEɐ¡‚|evx€—K t¥‰ÉJe£|¥†~‚§FÐȶ7^E+]ťNj`ÄĚ :]5G0F1I2I\ɐťNj/[Ʉijņč`ŏ+?ëȍ GÕƮɅĵKU0t¥‰ÉFÄĚF1]5G0_/B?ɑ T?ɐěǤǧKDzÛƱJȸ8ELɄijņč·1KťNjK ÛƱ0ȌW[^E+]?WɐěǤǧLǬÖK USB Y HDDɐ j£e£x‚ ¥wIHJɄij·1KťNj`ÄĚ8Eɐ ÓÛƱ0òǪF*]5GX_/B?ɑ=5Fɐ¡‚|e vx€—KµƋ`¦ȰĐů:]5GFȁƛF1]5G0. 2012 Information Processing Society of Japan.

(10) 7aƱ ëȍȽ.  ą 4 ȢŰŚdzvx€—KƉǽ Figure 4 The proposed system : overview.  Ũvx€—FLɐ¿ŋ7^?ëȍȽ`ȢŰG8EƱ+] 5G0F1]ɑëȍȽJLɐëȍ¦CJĠ8ɐ¦CKňü `’cG8EƅǗ7^E+]ɑT?ɐëȍȽL¿ŋ7^? ÍKťŰGXĠł·3[^E+]ɑŨ?JëȍȽ`¿ŋ8. 4.

(11) Vol.2012-CE-115 No.6 2012/7/7. ņčÔƯěºǀLjčû IPSJ SIG Technical Report Z,G8E+]ťNjG»E+]ťNj/[¿ŋ7^?ëȍȽ.      . Lɐ¿ŋ:]ëȍȽG»E+]GUI8ɐȢŰG8Eëȍ.   .         .  .     . Ƚ`Śdz:]ɑ. .    . ¦ǮJɐ0 Jȣ+ĎöɐťŰ GƇǙȚāL»E.[;ɐ 1 JȣD2GɐťŰ GƇǙȚāL»E+]GUI7^]ɑ. 3.2  :   F 3 55FLɐ¸¨ 3 LJɈKȢŰ`Ʊ+]­ĜF*]ɑ (c) WordNet, ūŸȍ WordNet. (2) rte£Ɉ»ĵKĝɊ. (e) Gene95.  ŸǀLjFLrte£ģĵ`Ʊ+ɐ6 CKťŰȷKrte. (f) ëȍȽ. £Ɉ»ĵ`ƙW]ĝɊ`ǶB?ɑƱň8?ťNjL¸¨Kɔ.  WordNet, Gene95 ȢŰLŪĚvx€—G÷9XK`Ʊ. CF*]ɑ. +E+]ɑWordNet, ūŸȍ WordNet, gene95 L=^>^. . (ˆex¥ƒĝƮ! TOEIC €x‚ž¥d£o ɕ ȩマŸ[12])Z\(Ǟơāɇ)KťNj. ƨųKŽi¥•~‚`œBE+]0ɐŸǀLjKvx€—F Lɐëȍ¦CJĠ8¦CKňü`ǝG8ÄĚ:]ɑ(f)K.  ɕ( L 9 W E K Ư ǔ ǰ ȍ ž ¥  d £ o [ 18 ] ) K. . (QWERTY keyboard)KťNj. ëȍȽLŸǀLjKvx€—`Ʊ+E¿ŋ:]5G0F1] XKFɐȢŰG8EƱ+]5G0F1]ɑ›¥uLȢŰ`.  ɕ( L 9 W E K Ư ǔ ǰ ȍ ž ¥  d £ o [18] ) K. . (Dvorak keyboard)KťNj. ÖɈ8EǼţōų:]5G0F1]ɑT?ɐëȍȽL¿ŋ 7^?ÍKťNjKëȍȽöGĠł·37^E+]ɑ.  ɕThe economist K(The wait is over)[19] m. .  ëȍ¦CJĠ8ɐňü`¦C@3Ġł7<]5GJZB EɐǰȍKťNj/[ūŸȍKťNj`ř:Z,ŒķF1]ɑ. žv™KŽiŸ‚Kȅ®K¦ƖDZƼKU (Super User)K(Ubuntu J.3]mžv™Ž ɕ. . i£`Đů:])ťNj[20]  ɕAbout.com K(l¥“¥ƒvœ¥‚k~‚Yl. . 3.3 - A 8 > 55FLɐȢŰKŚdzƏǪJC+EȎŬ:]ɑT;ɐť. ¥`žz~‚:])ťNj[21]. ŰKɈ»ĵ`ƢĜ:]?WKrte£ģĵJC+EĜǣ8ɐ ƑJĝɊǟſJC+ETGW]ɑ. ɔCKťNjKɐ=^>^KëȍţGÖȳɐÑȨ:]ëȍ. (1)     & '. LǸ 2 KȨ\F*]ɑ=^>^(default)ɐ (Greek/Greece).  ťŰƇǙJ.+EZ2ÛƱ7^E+]ɐťŰGƇǙȚā. (keyboard)Këȍ`úVĎöL$`C3?ɑT?ɐÖȳ. K‘n‚ŸȷKɈ»ĵ`ƢĜ:]?WKrte£ģĵ[17]. Jȸ8ELɐǞơKĎö(Ǟ)ɐr£š¥|KĎö(r)ɐ. `¸¨KƱJĜǣ:]ɑ‘n‚ŸljȷJ.+EɐťŰªJ. ǞơJXr£š¥|KÖȳJXÎ]Ďö(Ǟr)GƵ8. ĚĈ:]ÏëȍKÕƮɅĵ`ǽǘG:]‘n‚ŸFťŰ`. Eȅ8?ɑ. ǸƮ:]ɑɈ»ĵÙĜ`Ƕ,ťŰ`      G8ɐ5^ [ťŰȽöϾ`Ȩ8EÏȰFÇKëȍ       0 *]G:]ɑ5KG1ɐťŰ  LƑKZ,I‘n‚ŸFǸ Ʈ7^]ɑ        55Fɐ LťŰªKëȍ  KťŰ ÒFKÕƮɅĵG :]ɑ  ƇǙȚāXɐťŰG÷ƋJÕƮɅĵ`ǽǘG:]‘n‚ ŸFǸƮ:]5G0F1ɐƇǙȚāťJúT^]ëȍ  KťŰ ÒFKÕƮɅĵ` G:]GɐƇǙȚā‘n‚Ÿ LƑKZ,JǸ7^]ɑ       55FɐťŰ GƇǙȚāKɈ»ĵ`rte£ģĵFǸ: GƑKZ,JI]ɑ. 2012 Information Processing Society of Japan. ť. ëȍ. (Default. (Greek. (keyboar. Nj. ţ. ). ɒGreece). d). . 54. . 37. . 29. . 49. $. $. . 42. $. $. . 31. $. Öȳ Ǟ. $. Ǟr. $. Ǟr Ǟ. $. r. $. r. Ǹ 2 ɔCKťNjGëȍţɐÖȳ Table 2 The number of words and areas in 6 articles.    L ÷ ¦ Ű ǒ K ( ǻ þ K ư 1 ƕ \ Ō Ƶ (Product Survival Strategy))/[=^>^ŏ1Õ8?ɑ     J L=^>^(default)Këȍ0úT^E+]0ɐ L(Ê å©ĦǶ)KňüFɐ   L(ØŵȆĜ)KňüFÛƱ7 ^E+]ɑT?ɐ   Lmžv™Jȸ:]ȅ®@0ɐ L. 5.

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(13) . i£‚Jȸ:]ȅ®F*]ɑǞơÖȳKȅ®L   F*\ɐ.  ŸǀLjFLɐëȍJƥƤ`*E?ǬĽěǤ`ŠŞ:]v. r£š¥|ÖȳKȅ®L   ɐǞơÖȳJXr£š ¥|ÖȳJXúT^]ȅ®L    F*]ɑ 5^[Krte£Ɉ»ĵLǸ 3 KG.\F*]ɑɈ»ĵ KűēL     F*B?ɑ5^Lɐ÷9ŰǒK ÷9NjK÷9€¥•KťNjF*\ɐÑȨKl¥¢¥ƒXĚ Ĉ:]?Wɐ­ŇȨ\KǟſGIB?ɑƑJɋ+KLɐ      G     F*B?ɑ5^L      GXJ÷9ÖȳF*\ɐl¥“¥ƒJȸ:]XK F*B??Wɐɋ2IB?GŃ_^]ɑ T?ɐ Lɐ       GKțȿ0+;^X 0 F*B?ɑ 5^Lɐ L     GLÖȳ0÷9FL*]0ɐÒğ0 Ȭ,5GJà-ɐ     LØŀǧƱ€lx‚/[KŏǓ FƗȠƺɀŭĵK¼+ëȍ0ÀƱ7^E+]KJƗRɐ Lhr‡–x‚Kj£e£ȅ®/[KŏǓK?WɐƗȠ ƺɀŭĵKɋ+ǰëȍ0À_^E+]5G0ƯƳJ*4[ ^]ɑ  5KĝɊǟſJZ\ɐǑëIrte£ģĵ`ȑR]@3 FXɐťNjȷKɈ»ĵ0ŚƢF1]5G0_/B?ɑ. . . . . 0.010. 0.027. 0.011. 0. 0.015. 0.367. 0. 0.050. 0.039. 0. 0.115. 0.190. 0. 0.  . . . . 0.067.  Ǹ 3 ťNjȷKrte£Ɉ»ĵ Table3. The cosine similarity of 6 articles.. 3.4  ) D H  3.3 NjFȎŬ8?rte£Ɉ»ĵ`Ʊ+?ŒķJC+E ȎŬ:]ɑ³ĄLɐťŰGťŰ`ƗȠ8ɐrte£Ɉ»ĵ `ƙW?ɑ8/8ɐŸǀLjKvx€—FLɐȢŰ`¿ŋ8 ǼţœC5G0F1]?WɐȸÃK*]ȢŰ`ǼţŚdz8 ?§FɐȲUD3`Ƕ+ɐZ\ťNjJ*B?ňü`ŚdzF 1]Z,Jšǯ:]­ĜF*]ɑ5^JZ\ɐěư0ȷȬ BE¿ŋ8?ȢŰIHLÛƱ:],AJȲU0¼2I\Û Ʊ7^I2I]L;F*]ɑ5,8EɐűǜƺJLÅɆ* ]ȢŰKU0ÛƱ7^]Z,JI]L;F*]ɑ  T?ɐȢŰKŰĶ`ëȍGňüKǝJĐů8?./4Fɐ ǰëȍ/[ūŸȍKëȍɐūŸȍKëȍ/[ǰëȍQKĐ ŝ0ǑëJI\ɐūŸȍKťNjGǰȍKťNjKɈ»ĵXȑ R]5G0òǪJIB?ɑ³ľLɐȢŰKŚdz@3FI2ɐ ÖȳYȂȍ`ā_I+ťNjKŚdzXǶBE+1?+ɑ . 2012 Information Processing Society of Japan. x€—KƊǐ`ǶBE+]ɑŸȒťFLɐŪĚK¡‚| evx€—KāɇƤK,AKȢŰJȸ:]āɇ`ȁƛ: ]?WJɐŨ?IȢŰŚdzvx€—KŜƆGĝɊ`ǶB?ɑ ³ľLɐȢŰYŢŹGI\Ŀ]ťNjKŚdz`Ƕ,­ĜF* ]&  E F  ŸǀLjLɐƬêēěǀLjĕâȗGƬêēěņčě ǀLjōKáŋ`ð3E+]ɑ. !=19 1) ƨĜɂĂÛƠäƝ²ūŸe¥¥ £or£{vc—: "e ¥ £oƹŰ 2008/2009 İƧ#ɐż±ɁƏēěÕƧĤɐ2008 2) e ¥ £oġȵĞK?WKe£x‚nvœ„Ÿue£ɐ ƭŶƒ¬ƻÆɐɍǴǹ¶ 5 øDzɐż±ɁƏēěÕƧĤɐ2006 3) J. Bauman, and B. Culligan, About the General Service List, http://jbauman.com/gsl.html, 1995 4) A General Service List of English Words, West, M., Longman, 1953 5) A. Coxhead, A new academic word list, TESOL Quarterly, 34, pp.213-238, 2000 6) The Academic Word List, http://www.victoria.ac.nz/lals/resources/academicwordlist/ 7) ČƚȯǢɐɉĨÌȼɐ”ěưKǬĽěǤ`ŠŞ:]ȭłĊëȍ žx‚¿ŋ¥ŸKȶƸ”ɐƬêēěņčDžěǀLjɐnj 27 ôɐ p59-66ɐ2010 8) Ikumi HORIE, Kenji KASHIWABARA, Kazunori YAMAGUCHI, Yuka IIJIMA, "Personalized Teaching Material Generator Based on Word Set," Information Technology Based Higher Education and Training (ITHET), 2010, pp. 343-348. 9) eŽteh£xȢې¡wgn‚, http://lsd.pharm.kyoto-u.ac.jp/ja/index.html 10) Excite ǥȇɐhttp://www.excite.co.jp/world/ 11) Yahoo ǥȇɐhttp://honyaku.yahoo.co.jp/ 12) ǚ° ±ę, ħŸ éɌɐ "ˆex¥ƒĝƮ! TOEIC €x‚ ž¥d£oȩマŸ#ɐrx˜cɐ2006 13) WordNet at Princeton University, http://www.wordnet.prinston.edu 14) The Japan Association of College English Teachers, JACET List of 8000ɐBasic Words(JACET8000)[in Japanese], JACET, 2003 15) “A Word List Generator Program for Using Authentic Texts in an Academic English Reading Class”, Iijima, Yuka, Horie, Ikumi, Information Technology Based Higher Education and Training, p. 407-412, 2010 16) gene95 ȢŰ, http://www.namazu.org/~tsuchiya/sdic/data/gene.html 17) çǀ¯ɐƟƲýļɐƫ'ČƓıɐ#ņčƇǙcŸsžy—#ɐ ÑNJÕƧɐ2002 18) ½Ǵƞ¦ɐ#Ưǔ?T6vž¥yɎɓɏL9WEKƯǔǰȍ ž¥d£o"ɐcŸnɐ2007 19) The economist, “The wait is over”, http://www.economist.com/node/21550271 20) Super user, “In Ubuntu, how do I change my default Greek font?", http://superuser.com/questions/71350/in-ubuntu-how-do-i-chan ge-my-default-greek-font 21) All About, “Resetting Keyboard Shortcuts and Keys”, http://wordprocessing.about.com/cs/quicktips/qt/Resetkey.htm. 6.

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Table 1 The average of unknown words in an article   Ǹ 1 Z\ɐŰǒÒFȲǽëȍG8EŜǂ7^E+]ë ȍÒFLɐěưKė1Ę+KoŸ¥_3FLH^Xĩ0 SGaHI+5G0_/]ɑ5K5G/[ɐȲǽëȍG8 EŜǂ7^E+]ëȍ0ƗȠƺɀŭĵKɋ+ëȍF*]? WɐHKěưJXŷǤĿF*]5G0ŇËF1]ɑ5^J Ġ8ɐȲǽëȍ¸đFěư0ŷǤĿF*]G×ŕ8?ëȍ JLė1GĘ+FLȸ§Kĩ0*B?ɑ5^LɐǰȍK ěǤ ‘ŸKȬ+GŚƢF1]
Figure 1    The number of unknown words in important  word lists.
Table 2 The number of words and areas in 6 articles.

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