çãã¡ããªãã¯ãšé·ãã¡ããªãã¯ãšã¯äœã§ããïŒ
ã©ã³ãã³ã°ã¢ãã«ã¯ããŠãŒã¶ãŒããã¥ãŒã¹ïŒæçš¿ïŒãæäœããå¯èœæ§ãæšå®ããããšããŸãããŠãŒã¶ãŒã¯ããã«æ³šæãæãããããããã®ããŒã¯ãä»ããã³ã¡ã³ããæžã蟌ã¿ãŸãã次ã«ãã¢ãã«ã¯ãã®ç¢ºçã®éé ã§ã¬ã³ãŒããé åžããŸãããããã£ãŠãã©ã³ãã³ã°ãåäžãããããšã§ããŠãŒã¶ãŒã¢ã¯ã·ã§ã³ïŒããããã³ã¡ã³ããªã©ïŒã®ã¯ãªãã¯çïŒã¯ãªãã¯ã¹ã«ãŒçïŒãäžããããšãã§ããŸãããããã®ã¡ããªãã¯ã¯ãã©ã³ãã³ã°ã¢ãã«ã®å€æŽã«éåžžã«ææã§ããç§ã¯ããããçãåŒã³ãŸãã
ããããå¥ã®ã¿ã€ãã®ã¡ããªãã¯ããããŸããããšãã°ãã¢ããªã±ãŒã·ã§ã³ã§è²»ããããæéããŸãã¯ãŠãŒã¶ãŒã»ãã·ã§ã³ã®æ°ã¯ããµãŒãã¹ã«å¯Ÿãã圌ã®æ 床ãã¯ããã«ããåæ ããŠãããšèããããŠããŸãããã®ãããªã¡ããªãã¯ãlongãšåŒã³ãŸãã
ã©ã³ãã³ã°ã¢ã«ãŽãªãºã ã䜿çšããŠé·ãã¡ããªãã¯ãçŽæ¥æé©åããããšã¯ãç°¡åãªäœæ¥ã§ã¯ãããŸãããææšãçãå Žåãããã¯ã¯ããã«ç°¡åã§ããããšãã°ããããã®CTRã¯ããã®å¯èœæ§ãã©ãã ãããŸãæšå®ã§ãããã«çŽæ¥é¢ä¿ããŸãããã ããçãã¡ããªãã¯ãšé·ãã¡ããªãã¯ã®éã®å æé¢ä¿ïŒãŸãã¯å æé¢ä¿ïŒãããã£ãŠããå Žåã¯ãé·ãã¡ããªãã¯ã«äºæ³ã©ããã«åœ±é¿ãäžããã¯ãã®çãã¡ããªãã¯ã®ã¿ãæé©åããããšã«éäžã§ããŸããç§ã¯ãã®ãããªå æé¢ä¿ãæœåºããããšããŸãã-ãããŠããã«ã€ããŠç§ã®ä»äºã«æžããŸãããããã¯ç§ãITMOã®ç§åŠã®åŠå£«å·ïŒCTïŒã§åæ¥èšŒæžãšããŠå®æããŸãããITMOã®æ©æ¢°åŠç¿ç 究æã§VKontakteãšå ±åã§ç 究ãè¡ããŸããã
ã³ãŒããããŒã¿ã»ããããµã³ãããã¯ã¹ãžã®ãªã³ã¯
ããã§ãã¹ãŠã®ã³ãŒããèŠã€ããããšãã§ããŸãïŒAnverKã
ã¡ããªãã¯éã®é¢ä¿ãåæããããã«ãVKããŒã ãããŸããŸãªæç¹ã§å®æœãã6,000ãè¶ ããå®éã®A / Bãã¹ãã®çµæãå«ãããŒã¿ã»ããã䜿çšããŸãããããŒã¿ã»ããã¯ãªããžããªã§ãå©çšã§ããŸãã
ãµã³ãããã¯ã¹ã§ã¯ãææ¡ãããã©ãããŒã®äœ¿çšæ¹æ³ã確èªã§ããŸãïŒåæããŒã¿ã
ãããŠããã§-ããŒã¿ã»ããã«ã¢ã«ãŽãªãºã ãé©çšããæ¹æ³ïŒææ¡ãããããŒã¿ã»ããäžã
誀ã£ãçžé¢é¢ä¿ãžã®å¯ŸåŠ
ç§ãã¡ã®åé¡ã解決ããã«ã¯ãã¡ããªãã¯éã®çžé¢é¢ä¿ãèšç®ããã ãã§ååã§ããããã«æããããããããŸãããããããããã¯å®å šã«çå®ã§ã¯ãããŸãããçžé¢é¢ä¿ã¯å¿ ãããåå ã§ã¯ãããŸããã 4ã€ã®ã¡ããªãã¯ã®ã¿ã枬å®ãããããã®å æé¢ä¿ã次ã®ããã«ãªã£ãŠãã
ãšããŸããããäžè¬æ§ã倱ãããšãªããç¢å°ã®æ¹åã«ãã©ã¹ã®åœ±é¿ããããšä»®å®ããŸããããããå€ãã»ã©ãSPUãå€ããªããŸãããã®å Žåãåçãžã®ã³ã¡ã³ããSPUã«ãã©ã¹ã®åœ±é¿ãäžããããšãç«èšŒããããšãå¯èœã«ãªããŸãããããŠããã®ã¡ããªãã¯ããå¢å ãããããšãSPUãå¢å ããããšã決å®ããŸãããã®çŸè±¡ã¯èª€çžé¢ãšåŒã°ããŸããïŒçžé¢ä¿æ°ã¯ããªãé«ãã§ãããå æé¢ä¿ã¯ãããŸããã誀ã£ãçžé¢é¢ä¿ã¯ãåãåå ã®2ã€ã®åœ±é¿ã«éå®ãããŸãããåãã³ã©ã ãããããããåçã®éå£éšã®æ°ã«ãã©ã¹ã®åœ±é¿ãäžãããšãã誀ã£ãçµè«ãäžãå¯èœæ§ããããŸãã
ãã®ãããªåçŽãªäŸã§ããçžé¢é¢ä¿ã®åçŽãªåæãå€ãã®èª€ã£ãçµè«ã«ã€ãªããããšãæããã«ãªããŸããå ææšè«ïŒé¢ä¿ã®æšè«æ¹æ³ïŒã䜿çšãããšãããŒã¿ããå æé¢ä¿ã埩å ã§ããŸããããããã¿ã¹ã¯ã«é©çšããããã«ãæãé©åãªå ææšè«ã¢ã«ãŽãªãºã ãéžæãããããã«pythonã€ã³ã¿ãŒãã§ã€ã¹ãå®è£ ããããã«ãæ¡ä»¶ã§ããé©åã«æ©èœããæ¢ç¥ã®ã¢ã«ãŽãªãºã ã®å€æŽãè¿œå ããŸããã
æšè«ãªã³ã¯ã®å€å žçãªã¢ã«ãŽãªãºã
å ææšè«ã®ããã€ãã®æ¹æ³ãæ€èšããŸããïŒPCïŒPeter and ClarkïŒãFCIïŒFast Causal InferenceïŒãããã³FCI +ïŒçè«çãªèŠ³ç¹ããã¯FCIã«äŒŒãŠããŸãããã¯ããã«é«éã§ãïŒãããªãã¯ãããã®æ å ±æºã§ãããã«ã€ããŠè©³çŽ°ã«èªãããšãã§ããŸãïŒ
- å æé¢ä¿ïŒJ.ããŒã«ã2009幎ïŒã
- åå ãäºæž¬ããã³æ€çŽ¢ïŒP. Spirtes et alãã2000ïŒã
- ã¹ããŒã¹å æã¢ãã«ã®åŠç¿ã¯NPããŒãã§ã¯ãããŸããïŒT. Claassen et alãã2013ïŒã
ãã ããæåã®æ¹æ³ïŒPCïŒã¯ã2ã€ä»¥äžã®ã¡ããªãã¯ã«åœ±é¿ãäžãããã¹ãŠã®éã芳å¯ããããšãåæãšããŠããããšãç解ããããšãéèŠã§ãããã®ä»®èª¬ã¯å æçå 足床ãšåŒã°ããŸããä»ã®2ã€ã®ã¢ã«ãŽãªãºã ã¯ãç£èŠå¯Ÿè±¡ã®ã¡ããªãã¯ã«åœ±é¿ãäžãã芳枬äžå¯èœãªèŠå ãååšããå¯èœæ§ãããããšãèæ ®ã«å ¥ããŠããŸããã€ãŸãã2çªç®ã®ã±ãŒã¹ã§ã¯ãåå ãšãªãè¡šçŸãããèªç¶ã§ãããšèŠãªããã芳å¯ã§ããªãèŠå ã®ååšãå¯èœã«ãªããŸããïŒ
ãããã®ã¢ã«ãŽãªãºã ã®ãã¹ãŠã®å®è£ ã¯ãpcalgã©ã€ãã©ãªã§æäŸãããŸããããã¯çŸããæè»æ§ããããŸããã1ã€ã®ãæ¬ ç¹ãããããŸã-ããã¯Rã§æžãããŠããŸãïŒæãèšç®éã®å€ãé¢æ°ãéçºãããšãã¯ãRCPPããã±ãŒãžã䜿çšãããŸãïŒããããã£ãŠãäžèšã®ã¡ãœããã§ã¯ãCausalGraphBuilderã¯ã©ã¹ã«ã©ãããŒãèšè¿°ãããã®äœ¿çšäŸãè¿œå ããŸããã
ãªã³ã¯ãå°åºããæ©èœã®å¥çŽãã€ãŸãã€ã³ã¿ãŒãã§ãŒã¹ãšåºåã§åŸãããçµæã«ã€ããŠèª¬æããŸããæ¡ä»¶ä»ãç¬ç«æ§ã®ãã¹ãé¢æ°ã«åæ Œã§ããŸããããã¯ãã®ãããªãã¹ãã§ããã éããšãããã«ä»®èª¬ã®äžã§ ãã㊠æ¢ç¥ã®éã®ã»ããã«å¯ŸããŠæ¡ä»¶ä»ãã§ç¬ç« ..ãããã©ã«ãã¯éšåçžé¢ãã¹ãã§ãããã®ãã¹ãã§é¢æ°ãéžæããã®ã¯ããããpcalgã®ããã©ã«ãã§ãããRCPPã§å®è£ ãããŠããããã§ããããã«ãããå®éã«ã¯é«éã«ãªããŸãã転éããããšãã§ããŸããããããé ç¹ãäŸåããŠãããšèŠãªãããŸããPCããã³FCIã¢ã«ãŽãªãºã ã®å Žåãã©ã€ãã©ãªæäœã®ãã°ãæžã蟌ãå¿ èŠããªãå Žåã¯ãCPUã³ã¢ã®æ°ãèšå®ããããšãã§ããŸããFCI +ã«ã¯ãã®ãããªãªãã·ã§ã³ã¯ãããŸãããããã®ç¹å®ã®ã¢ã«ãŽãªãºã ã䜿çšããããšããå§ãããŸãããã1ã€ã®æ³šæç¹ïŒFCI +ã¯çŸåšãææ¡ãããŠãããšããžæ¹åã¢ã«ãŽãªãºã ããµããŒãããŠããŸããããã€ã³ãã¯ãpcalgã©ã€ãã©ãªã®å¶éã«ãããŸãã
ãã¹ãŠã®ã¢ã«ãŽãªãºã ã®äœæ¥ã®çµæã«åºã¥ããŠãPAGïŒéšåçãªç¥å ã°ã©ãïŒããšããžã®ãªã¹ãã®åœ¢åŒã§äœæãããŸããPCã¢ã«ãŽãªãºã ã§ã¯ãå€å žçãªæå³ã§ã®å æã°ã©ãïŒãŸãã¯ãã€ãžã¢ã³ãããã¯ãŒã¯ïŒãšããŠè§£éããå¿ èŠããããŸãã 㧠ã圱é¿åãæå³ããŸã ãªã³ ..ããšããžãç¡æåæ§ãŸãã¯åæ¹åã®å Žåãäžæã«æ¹åä»ããããšã¯ã§ããŸãããã€ãŸãã次ã®ããã«ãªããŸãã
- ãŸãã¯ãå©çšå¯èœãªããŒã¿ãæ¹åæ§ã確ç«ããã«ã¯äžååã§ãã
- ãŸãã¯ã芳å¯å¯èœãªããŒã¿ã®ã¿ã䜿çšããçã®å æã°ã©ãã¯ãåçã¯ã©ã¹ãŸã§ãã確ç«ã§ããªããããäžå¯èœã§ãã
FCIã¢ã«ãŽãªãºã ãPAGã«ãªããŸãããæ°ããã¿ã€ãã®ãšããžã衚瀺ãããŸããæ«å°Ÿã«ãoããä»ããŠããŸããããã¯ãç¢å°ãããã«ããå Žåãšãªãå Žåãããããšãæå³ããŸãããã®å ŽåãFCIã¢ã«ãŽãªãºã ãšPCã®æãéèŠãªéãã¯ãåæ¹åïŒ2ã€ã®ç¢å°ïŒã®ãšããžã«ãããããã«ãã£ãŠæ¥ç¶ãããé ç¹ã芳å¯ã§ããªãé ç¹ã®çµæã§ããããšãæ確ã«ãªãããšã§ãããããã£ãŠãPCã¢ã«ãŽãªãºã ã®ããã«ãšããžã¯ã2ã€ã®ãoã端ãæã€ãšããžã®ããã«ãªããŸãããã®ãããªå Žåã®å³ã¯ãåæäŸãå«ããµã³ãããã¯ã¹ã«ãããŸãã
ãšããžæ¹åã¢ã«ãŽãªãºã ã®å€æŽ
å€å žçãªæ¹æ³ã«ã¯1ã€ã®é倧ãªæ¬ ç¹ããããŸãã圌ãã¯æªç¥ã®èŠå ããããããããªãããšãèªããŸãããåæã«åœŒãã¯å¥ã®é床ã«æ·±å»ãªä»®å®ã«äŸåããŠããŸãããã®æ¬è³ªã¯ãæ¡ä»¶ä»ãç¬ç«æ§ããã¹ãããæ©èœãå®å šã§ãªããã°ãªããªããšããããšã§ãããã以å€ã®å Žåãã¢ã«ãŽãªãºã ã¯ããèªäœã«è²¬ä»»ãè² ãããã°ã©ãã®æ£ç¢ºæ§ãŸãã¯å®å šæ§ãä¿èšŒããŸããïŒæ£ç¢ºæ§ã«éåããã«ãããå€ãã®ãšããžãæ¹åä»ããããšãã§ããªããšããäºå®ïŒãçæ³çãªæéãµã³ãã«ã®æ¡ä»¶ä»ãç¬ç«æ§ãã¹ããããã€ç¥ã£ãŠããŸããïŒç§ã§ã¯ãããŸããã
ãã®æ¬ ç¹ã«ãããããããã°ã©ãã¹ã±ã«ãã³ã¯éåžžã«èª¬åŸåã®ããæ¹æ³ã§æ§ç¯ãããŠããŸãããæ¹åæ§ã匷ãããŸããããã§ããšããžæ¹åã¢ã«ãŽãªãºã ã®å€æŽãææ¡ããŸãããããŒãã¹ïŒæ¹åä»ãããããšããžã®æ°ãæé»çã«èª¿æŽã§ããŸãããã®æ¬è³ªãæ確ã«èª¬æããããã«ãå æé¢ä¿ã®å°åºã®ããã®ã¢ã«ãŽãªãºã ã«ã€ããŠããã§è©³çŽ°ã«è©±ãå¿ èŠãããã§ãããããããã£ãŠããã®ã¢ã«ãŽãªãºã ã®çè«ãšææ¡ãããä¿®æ£ãå¥ã ã«æ·»ä»ããŸã-è³æãžã®ãªã³ã¯ã¯æçš¿ã®æåŸã«ãããŸãã
ã¢ãã«ã®æ¯èŒ-1ïŒã°ã©ãã®å¯èœæ§ã®æšå®
å¥åŠãªããšã«ãå æé¢ä¿ãå°ãåºãäžã§ã®æ·±å»ãªåé¡ã®1ã€ã¯ãã¢ãã«ã®æ¯èŒãšè©äŸ¡ã§ããã©ããã£ãŠãããªã£ãïŒéèŠãªã®ã¯ãéåžžãå®éã®ããŒã¿ã®çã®å æçè¡šçŸã¯äžæã§ãããšããããšã§ããããã«ãããããå®éã®ããŒã¿ãçæããã»ã©æ£ç¢ºã«ååžã®èŠ³ç¹ãããããç¥ãããšã¯ã§ããŸãããã€ãŸããã»ãšãã©ã®ããŒã¿ã»ããã§ã°ã©ãŠã³ããã¥ã«ãŒã¹ã¯äžæã§ãããããã£ãŠããžã¬ã³ããçºçããŸããæ¢ç¥ã®ã°ã©ãŠã³ããã¥ã«ãŒã¹ãæã€ïŒåïŒåæããŒã¿ã䜿çšããããã°ã©ãŠã³ããã¥ã«ãŒã¹ãªãã§å®è¡ããããšããŸãããå®éã®ããŒã¿ã§ãã¹ãããŸããç§ã®ä»äºã§ã¯ããã¹ãã«2ã€ã®ã¢ãããŒããå®è£ ããããšããŸããã
æåã®ãã®ã¯ã°ã©ãã®å¯èœæ§ã®èŠç©ããã§ãïŒ
ããã« -å€ãã®é ç¹ã®èŠª ã -æ°éã®å ±åæ å ± ãã㊠ãããã³ éã®ãšã³ããããŒã§ã ..ãå®éã第2é ã¯ã°ã©ãã®æ§é ã«äŸåããªããããååãšããŠç¬¬1é ã®ã¿ãèæ ®ãããŸãããã ããæ°ãããšããžãè¿œå ããŠãå¯èœæ§ãäœäžããªãããšãããããŸããããã¯ãæ¯èŒãããšãã«èæ ®ããå¿ èŠããããŸãã
å®éã®PAGïŒFCIãFCI +ã¢ã«ãŽãªãºã ã®åºåïŒã§ã¯ãããã«ãšããžã®ã»ãã³ãã£ã¯ã¹ãå®å šã«ç°ãªãããããã®ãããªè©äŸ¡ã¯ãã€ãžã¢ã³ãããã¯ãŒã¯ïŒPCã¢ã«ãŽãªãºã ã®åºåïŒãæ¯èŒããå Žåã«ã®ã¿æ©èœããããšãç解ããããšãéèŠã§ãã
ãããã£ãŠããšããžã®åããèªåã®ã¢ã«ãŽãªãºã ãšåŸæ¥ã®PC
ãšæ¯èŒããŸããããšããžã®åããå€æŽãããšãåŸæ¥ã®ã¢ã«ãŽãªãºã ãšæ¯èŒããŠå¯èœæ§ãå€§å¹ ã«åäžããŸããããã ãããšããžã®æ°ãæ¯èŒããããšãéèŠã§ãã
ãããã®æ°ã¯ããã«å°ãªããªããŸã-ããã¯äºæ³ãããŸãããããã£ãŠããšããžãå°ãªããŠãããã劥åœãªã°ã©ãæ§é ã埩å ããããšãã§ããŸããããã§ããšããžã®æ°ã«å¿ããŠå¯èœæ§ãäœäžããªããšäž»åŒµãããããããŸãããéèŠãªã®ã¯ãäžè¬çãªå Žåã«åŸãããã°ã©ãã¯ãå€å žçãªPCã¢ã«ãŽãªãºã ã«ãã£ãŠåŸãããã°ã©ãã®ãµãã°ã©ãã§ã¯ãªããšããããšã§ããã·ã³ã°ã«ãšããžã®ä»£ããã«ããã«ãšããžã衚瀺ãããã·ã³ã°ã«ãšããžã®æ¹åãå€ããå ŽåããããŸããã ããæå·¥èžåã¯ãããŸããïŒ
ã¢ãã«ã®æ¯èŒ-2ïŒåé¡ã¢ãããŒãã®äœ¿çš
æ¯èŒã®2çªç®ã®æ¹æ³ã«ç§»ããŸããããPCã¢ã«ãŽãªãºã ã䜿çšããŠå æã°ã©ããäœæããããããã©ã³ãã ãªéåšæã°ã©ããéžæããŸãããã®åŸã芪é ç¹ã®å€ãšä¿æ°ã®ç·åœ¢ã®çµã¿åãããšããŠãåé ç¹ã®ããŒã¿ãçæããŸãã¬ãŠã¹ãã€ãºãè¿œå ãããŠããŸãããã®ãããªäžä»£ã®ã¢ã€ãã¢ã¯ããããžãã¹ã¢ããªã±ãŒã·ã§ã³ã®å ç¢ã§çšéã®åºãåå ã®çºèŠã«åããŠãïŒBorboudakis et alãã2016ïŒã®èšäºããåŒçšããŸããã芪ãæããªãé ç¹ã¯ã察å¿ããé ç¹ã®ããŒã¿ã»ãããšåæ§ã®ãã©ã¡ãŒã¿ãŒã䜿çšããŠãæ£èŠååžããçæãããŸããã
ããŒã¿ãåä¿¡ãããšãè©äŸ¡ãããã¢ã«ãŽãªãºã ãé©çšããŸããããã«ãç§ãã¡ã¯ãã§ã«çã®å æé¢ä¿ã®ã°ã©ããæã£ãŠããŸããçµæã®ã°ã©ããå®éã®ã°ã©ããšæ¯èŒããæ¹æ³ãç解ããããšã ããæ®ã£ãŠããŸãã ãæ¡ä»¶ä»ã2ç¹ããã³3ç¹æ å ±ã«åºã¥ãå æçã°ã©ãã£ã«ã«ã¢ãã«ã®ããã¹ããªåæ§ç¯ãïŒAffeldt et alãã2015ïŒã§ã¯ãåé¡çšèªã䜿çšããããšãææ¡ãããŸãããæç»ããããšããžã¯Positiveã¯ã©ã¹ã§ãããæç»ãããŠããªããšããžã¯Negativeã§ãããšæ³å®ããŸãã次ã«TruePositiveïŒïŒçã®å æé¢ä¿ã°ã©ããšåããšããžãæç»ããFalse PositiveïŒïŒ-çã®å æã°ã©ãã«ãªããšããžãæç»ãããå Žåããããã®å€ãã¹ã±ã«ãã³ã®èŠ³ç¹ããè©äŸ¡ããŸãã
æ¹åæ§ãèæ ®ããŠãæ£ãã衚瀺ãããŠãããæ¹åãééã£ãŠãããšããžã®å Žåããã®åŸã次ã®ããã«æ€èšããŸãã
ãã®åŸãããªãã¯èªãããšãã§ããŸã -ã¹ã±ã«ãã³ã®ãµã€ãºãšæ¹åãèæ ®ãããµã€ãºã®äž¡æ¹ïŒãã®å Žåãæããã«ãã¹ã±ã«ãã³ã®ãµã€ãºãã倧ãããªãããšã¯ãããŸããïŒããã ããPCã¢ã«ãŽãªãºã ã®å Žåãããã«ãšããžãè¿œå ãããŸã ã®ã¿ ã ã ãããã ãå®éã®ãšããžã®1ã€ããŸã æšå®ãããŠããããïŒå æé¢ä¿ããªããã°ãããã¯ééã£ãŠããŸãïŒã
æåŸã«ãã¢ã«ãŽãªãºã ãæ¯èŒããŠã¿ãŸããã
ãæåã®2ã€ã®ã°ã©ãã¯ãPCã¢ã«ãŽãªãºã ã®ã¹ã±ã«ãã³ã®æ¯èŒã§ããåŸæ¥ã®ã°ã©ããšæ°ãããšããžã®åãã§ããäžéšã®å¢çç·ã衚瀺ããããã«å¿ èŠã§ã-察çã次ã®2ã€ã¯ãæ¹åã«é¢ããŠãããã®ã¢ã«ãŽãªãºã ãæ¯èŒããŠããŸããã芧ã®ãšãããåå©ã¯ãããŸããã
ã¢ãã«ã®æ¯èŒ-3ïŒåå ãšãªãååæ§ããªãã«ããŸã
次ã«ãçæåŸã®å®éã®ã°ã©ããšåæããŒã¿ã®ããã€ãã®å€æ°ããéãããŸããããããã«ãããCausalSufficiencyããªãã«ãªããŸãããã ããçµæãå®éã®ã°ã©ãã§ã¯ãªãã次ã®ããã«ååŸããã°ã©ããšæ¯èŒããå¿ èŠããããŸãã
- é衚瀺ã®é ç¹ã®èŠªããã®ãšããžã¯ããã®åã«æç»ãããŸãã
- é衚瀺ã®é ç¹ã®ãã¹ãŠã®åãããã«ãšããžã§æ¥ç¶ããŸãã
FCI +ã¢ã«ãŽãªãºã ïŒå€æŽããããšããžæ¹åãšåŸæ¥ã®ã¢ã«ãŽãªãºã ïŒããã§ã«æ¯èŒããŸãã
ãããŠãå æçååæ§ãæºããããªãå Žåãæ°ããæ¹åã®çµæã¯ã¯ããã«è¯ããªããŸãã
ãã1ã€ã®éèŠãªèŠ³å¯çµæãçŸããŸãããPCã¢ã«ãŽãªãºã ãšFCIã¢ã«ãŽãªãºã ã¯ãå®éã«ã¯ã»ãŒåãã¹ã±ã«ãã³ãæ§ç¯ããŸãããããã£ãŠãç§ã¯ãããã®åºåããç§ã®äœæ¥ã§ææ¡ãããšããžã®æ¹åãšæ¯èŒããŸããã
ã¢ã«ãŽãªãºã ã®å質ã¯å®è³ªçã«ç°ãªããªãããšãå€æããŸããããã®å ŽåãPCã¯FCIå ã®ã¹ã±ã«ãã³æ§ç¯ã¢ã«ãŽãªãºã ã®ã¹ãããã§ãããããã£ãŠãFCIã¢ã«ãŽãªãºã ã®ããã«ãªãªãšã³ããŒã·ã§ã³PCã¢ã«ãŽãªãºã ã䜿çšããããšã¯ããªã³ã¯æšè«ã®é床ãäžããããã®åªãããœãªã¥ãŒã·ã§ã³ã§ãã
åºå
ãã®èšäºã§è©±ããããšãç°¡åã«èŠçŽããŸãã
- 倧èŠæš¡ãªITäŒæ¥ã§å æé¢ä¿ãå°ãåºãã¿ã¹ã¯ãã©ã®ããã«çºçããå¯èœæ§ããããã
- ã¹ããªã¢ã¹çžé¢ãšã¯äœã§ããïŒãŸããããããæ©èœéžæã«ã©ã®ããã«å¹²æžããå¯èœæ§ããããŸããã
- æšè«ãªã³ã¯ã®ã©ã®ã¢ã«ãŽãªãºã ãååšããæãé »ç¹ã«äœ¿çšãããŸããã
- åå ã°ã©ããå°åºãããšãã«ã©ã®ãããªåé¡ãçºçããå¯èœæ§ããããŸããïŒ
- åå ã°ã©ãã®æ¯èŒãšãã®å¯ŸåŠæ¹æ³ã¯äœã§ããã
å ææšè«ã®ãããã¯ã«èå³ãããå Žåã¯ãç§ã®ä»ã®èšäºãèŠãŠãã ãã-ããã«ã¯ãã£ãšçè«ããããŸããããã§ããªã³ã¯ã®æšè«ã«äœ¿çšãããåºæ¬çãªçšèªãããã³å€å žçãªã¢ã«ãŽãªãºã ãã©ã®ããã«æ©èœãããããããŠç§ãææ¡ãããšããžã®æ¹åã«ã€ããŠè©³ãã説æããŸãã