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????Siri有點(diǎn)像天氣。人人嘴上都愛(ài)抱怨它，但只有投資銀行Piper Jaffray的吉恩?蒙斯特真正采取了行動(dòng)。

????今年六月，蒙斯特測(cè)試了iOS 5版本的蘋(píng)果（Apple）聲控個(gè)人助理Siri。他向Siri問(wèn)了1,600個(gè)問(wèn)題，其中有800個(gè)問(wèn)題是在美國(guó)明尼阿波里斯市的街頭問(wèn)的，而另外800個(gè)則是在一間安靜的房間中問(wèn)的。

????結(jié)果顯示Siri尚有很大的改進(jìn)空間。在最理想的情況下（即沒(méi)有街道噪音），Siri正確理解了89％的問(wèn)題，正確回答了68％的問(wèn)題。（一個(gè)很典型的例子是，Siri聽(tīng)見(jiàn)問(wèn)：下次哈雷彗星出現(xiàn)是什么時(shí)候？它的回答是：“您沒(méi)有安排與哈利會(huì)面?！?/p>

????上周四，明斯特報(bào)道了在安靜的房間（沒(méi)有街道噪音）里對(duì)“改進(jìn)后的”iOS 6版Siri再度進(jìn)行測(cè)試的結(jié)果。這一次，Siri理解了91％的問(wèn)題，并正確回答了77％的問(wèn)題。

????按照學(xué)校的打分標(biāo)準(zhǔn)，Siri的得分從D提高到了C。

????（明斯特沒(méi)有解釋他為何將Siri在六月份的正確率從68％調(diào)高到了76％，從而使得iOS 6版Siri的進(jìn)步看起來(lái)小了很多。或許他現(xiàn)在是按正態(tài)曲線評(píng)分了。）

????Siri is a little like the weather. Everybody complains about it, but only Piper Jaffray's Gene Munster seems to do anything.

????In June he put the iOS 5 version of Apple's (AAPL) voice-activated personal assistant to the test -- asking her 1,600 questions,800 in the streets of Minneapolis and 800 in a quiet room.

????The results left much to be desired. In the best of circumstances (i.e. no street noise), Siri correctly interpreted 89% of the questions and correctly answered 68%. (Typical exchange, as Siri heard it: When is the next Haley's comment? "You have no meetings matching Haley's".)

????On Thursday, Munster reported the results of a quiet-room (no street noise) re-test of the "improved" iOS 6 version. This time Siri understood 91% of the questions and correctly answered 77%.

????In school-grade terms, she's gone from a D to a C.

????(For reasons Munster doesn't explain, he's raised Siri's June score from 68% to 76%, making the improvement look more modest than it was. Perhaps he's now grading on a curve.)