星期二, 9月 23, 2014

新英格蘭中文教師專業協會秋季講座談 Can do Statement

新英格蘭中文教師專業協會老師們合影。前排右起,波士頓拉丁學校老師劉善理,
葉金惠,王俞文,張福增,僑教中心主任郭大文,林遊嵐,後排右起,王明德,
劉奇峰。(周菊子攝)
(Boston Orange 周菊子麻州牛頓市報導) 新英格蘭中文教師專業協會(NECTA)九月廿日在波士頓華僑文教中心舉辦秋季講座。三十多名老師上課一整天,從教學標準,應用程式到文化,技藝項目,學得許多有用知識。
新英格蘭中文教師專業協會幹部,左起,會長張福增,王俞文,王明德,
葉金惠。
(周菊子攝)
            新英格蘭中文教師專業協會是一個旨在協助中文老師提升教學能力,藉彼此砥礪,獲取更多教學資源的非牟利組織,目前有會員五十人上下,會長張福增在布魯克蘭中學任教。其餘的幹部包括王俞文,王明德,劉奇峰,葉金惠等人。
            當天共安排有四場講座,分別為退休前擔任波士頓市公校國際語主任的林遊嵐講解“能力描述標準(Can do statement)“,布魯克蘭高中老師張麗華講”舌尖上的中國美食“,前任會長葉金惠老師講解把谷歌應用程式用在華語教學上,前任新英格蘭中文學校協會會長王月娥分享”吸管藝術“手工藝創作。
            林遊嵐在會中非常仔細,清楚地解釋,全美外語協會(ACTFL)和麻州教育廳對外國語教學,訂的標準不同。和全美外語協會的“能力描述標準”,以及程度分類來比,麻州比較簡陋些。她建議老師們拿全美外語協會的文件,例句來做參考。
林遊嵐講解“能力描述標準”。(周菊子攝)
            林遊嵐還解釋語言表現(performance)和語言效率(efficient)不同。語言表現是學生學了之後,能夠照樣重複出來,但語言效率是學生能夠在不同場景下,實際把所學用出來。至於聽說讀寫的語言溝通,主要有三種模式,包括互動的(Interpersonal),需要學生透過閱讀等方式去理解的,以及做報告等單向方式。
            葉金惠在應用電腦科技來輔助教學上,卓有心得,也不吝分享。這天她用廿多張幻燈片,簡明扼要地闡述如何使用谷歌(google)所提供的各種工具及服務,包括Chrome瀏覽器,及延伸工具,谷歌驅動器(Google Drive),谷歌語音(google voice),網站,年曆及其他。
林遊嵐(右)和今年接任全美外語學會理事的葉金惠(左)已合作多年。(周菊子攝)
林遊嵐講課。(周菊子攝)
            Chrome是谷歌自己的瀏覽器,既有搜索引擎,也可和電子郵件相連結,加強許多的谷歌搜尋功能。她還教出席者如何使用谷歌延伸工具(extension)裏的一些小程式,來個人化各人使用谷歌瀏覽器的經驗。其中有許多應用程式,在谷歌瀏覽器上就是一個鏈接而已,變得非常好用。谷歌文件(Google docs)則是容許人不論身在何處,都可取得自己所需文件的好工具,分享功能還容許創作文件者和其他人合作。老師要改作業,學生交作業,也都因此自然而然的有了更清楚的記錄。
            波士頓華僑文教中心主任郭大文當天特地出席為老師們打氣。他鼓勵出席老師們,不論來自兩岸的哪一方,教中文時,能夠重視教繁體中文,不會寫,最好至少能看,以期下一代能夠傳承中國的古代傳統文化,看得懂祖先傳下來的詩書字畫。
            郭大文還像老師們報告了從九月廿五日起,一系列的慶祝雙十活動。


未來醫療預防重於治療 科技應用將全面改革醫療業運作

經濟學人(The Economist)日前在波士頓海港酒店舉辦”醫療保健論壇(The Healthcare Forum)“。包括美國國家醫學院首名華裔院長曹文凱在內,與會巨頭都認同,未來的醫療護理,強調預防及重用科技,縮減費用,提供服務方式及相關政策,都將在國際化交流中大幅改革。
”醫療保健論壇(The Healthcare Forum)“在會中舉辦的辯論,經出席會議者即席投票,儘管也有不少人贊成雅典健保(Athenahealth)執行長Jonathan Bush所說的,應該更研發出一種視結果付費制度,以減少不必要的醫療,刪減費用,但絕大多數人支持奧巴馬(Obama)的可負擔醫療保險法,認為由政府補助貧困者,並幫助他們獲得醫療護理,仍然利大於弊。
這場會議由經濟學人主辦,該機構情資組亞太區社論主任Charles Goddard主持,旨在全球地理人口正在轉型,人口老化,醫療費用漲到人們負擔不起,電子病歷漸成業界標準,全世界各地都要求醫療護理業能夠更透明,更有效率的情況下,從全球角度探看醫療健保業未來展望。
一整天的會議,討論主題包括“處於轉捩點的醫療健保業”,“醫療健保業的全球化”,“病人權益高漲”,“價格透明化”等。
應邀與談者包括禮來製藥(Lilly)美國董事長,人類(Humana)公司執行長Bruce Broussard,全球健康做法(Practice of Global Health),美國國家醫學院(IOM)院長曹文凱(Victor Dzau), iTriage董事長Jim Greniner,山間健康(Intermountain Health)董事長Charles Sorenson等,共不下35人。
今年七月正式上任,成為美國國家醫學院(IOM)首名華裔院長的曹文凱透露,中國大陸正在建造醫療健保模範城市,要從預防醫學著手,教育人們培養良好習慣,降低患病機率,減少醫療護理開支。他還透露,杜克大學和新加坡合作的一個新模式,也很值得進一步探討。
與會者大都表示,醫療健保行業觸及的層面太廣,最重要的問題不外乎讓人們在生病時,可以及時得到適當的醫療護理,又不至於在接受醫療後,陷入財務困境。

圖片說明:

            美國國家醫學院首名華裔院長曹文凱在會中表示,中國也正在改革醫療保險體制。(菊子攝)

            五名高管討論“處於轉捩點的醫療健保業”。(菊子攝)


            通用公司的醫療護理超聲波執行長Anders Wold(左)拿出該公司的新型超聲波儀器指出,以前超聲波是很大的機器,如今卻小到可隨身攜帶,用途也擴大許多。(菊子攝)

星期一, 9月 22, 2014

BPHC Receives 3-Year Mass in Motion Grant to Promote Healthy Eating and Physical Activity in Roxbury

BPHC Receives 3-Year Mass in Motion Grant to Promote Healthy Eating and Physical Activity in Roxbury


BOSTON—The Boston Public Health Commission announced today that it has received the Massachusetts Department of Public Health’s (DPH) Mass in Motion Municipal Wellness and Leadership 3-year grant to support obesity and chronic disease prevention efforts in the neighborhood of Roxbury. The annual funding of $50,000 will support a robust partnership of representatives from multiple sectors including community-based organizations, resident coalitions, healthcare, local business, and city government.

"This new collaboration among residents, city agencies, and community-based organizations with deep ties to the neighborhood will allow us to build upon the great work that’s already happening here,” said Mayor Martin J. Walsh. “It is exciting to be a part of the innovative and thoughtful programs that will continue to transform Roxbury.”

“These grants enable cities and towns across the Commonwealth to make healthy eating and active living easier for people to achieve,” said DPH Commissioner Cheryl Bartlett. “Grantees, such as Roxbury in Motion, are working to make the healthy choice the easy choice by ensuring the availability of healthy affordable foods and promoting opportunities for physical activity.”

BPHC will serve as municipal lead with Madison Park Development Corporation (MPDC) serving as the principal community partner for the new initiative, Roxbury in Motion. For nearly 50 years, MPDC has worked to promote the revitalization and redevelopment of Roxbury. This new endeavor builds on their years of experience in organizing adults and youth around healthy eating and active living.

Strategies will focus on policy, systems and environmental changes aimed at reducing inequities in obesity and chronic disease that Roxbury residents experience at a higher rate compared to Boston overall.  In Roxbury, the prevalence of adult diabetes is significantly higher than that of Boston overall at 15%, compared to 9% citywide.

“Roxbury in Motion aims to transform where residents already call home, and give them better access to healthy and safe places to live, work, play, pray, and learn so that they can lead healthier, more productive lives,” said Barbara Ferrer, Executive Director of the Boston Public Health Commission.

Roxbury in Motion will focus on three action areas:
1.      Expand existing initiatives by MPDC, the Dudley Real Food Hub, and other Roxbury organizations to improve on the availability and affordability of healthy food through farmers markets, Community Supported Agriculture (CSA), community gardens, urban agriculture, and improved options in retail stores
2.      Support ongoing efforts by the City of Boston, resident groups, and other stakeholders to design and develop shared space for all modes of transportation, including vehicles, bikes, and pedestrians, within Dudley Square and along Melnea Cass Boulevard
3.      Collaborate with established neighborhood initiatives, including the Violence Intervention Prevention (VIP) coalition, to develop innovative strategies that will increase usage of Roxbury’s many parks and green spaces

“Madison Park Development Corporation is honored to embark on this exciting new endeavor to promote the health and wellbeing of the residents of Roxbury,” said Jeanne Pinado, Chief Executive Officer of MPDC. “We are excited to work alongside partners from across the neighborhood to make lasting changes that support our community to thrive.”

“I’m so proud of the work that’s happening on the ground in Roxbury to address health disparities in this community,” said City Councilor Tito Jackson who will serve on the Roxbury in Motion Leadership Team.  “This new funding through Roxbury in Motion will help us to take existing work to the next level, to take a closer look at how we can address barriers to health here in our community and work together to ensure the optimum health of all our residents.”

Roxbury in Motion will launch on October 1, 2014, aligning with Roxbury Rising Against Diabetes, a month-long series of events led by the Healthier Roxbury Coalition.  Residents and other interested stakeholders are welcomed to join Roxbury in Motion for free Wednesday Walks to learn about this work and become involved.  Gently paced walks will begin and end at Hibernian Hall and will be held each Wednesday in October from 12-1pm. 

For a complete calendar of Roxbury Rising Against Diabetes events, visit www.bphc.org/RoxRising. For schedule updates and additional information, visit www.facebook.com/HealthierRoxbury or follow the conversation on Twitter @HealthyRoxbury with the hashtag #RoxRising.


哈佛大學文理學院院長頭銜將冠名Edgerley家族

哈佛大學校報今(22)午報導,該校校長Drew G. Faust 上周六在該校捐款者年度聚會中宣佈,紋理學院院長頭銜,將改稱哈佛Edgerley家族文理學院院長(Edgerley Family Dean of the Faculty of Arts and Sciences)

目前擔任哈佛文理學院院長的是米高史密斯(Michael D. Smith)。改名後的變化包括,他的薪資,2012年時為$554,370,以及該職位的行政支出,將由該命名基金負責。
兩週前,哈佛大學才因為陳樂宗()家族的三億五千萬元捐款,把哈佛大學公共衛生學院改名為哈佛大學陳曾熙公共衛生學院。這次是哈佛大學首度出讓文理學院院長的命名權。
哈佛大學的募款活動,迄今至少募得43億元,約等於籌款目標65億元的百分之六十六。文理學院的籌款,目標是25億元。
在2013年會計年度中,哈佛文理學院有營運赤字三百七十萬元。
捐款的保羅艾傑雷(Paul Edgerley)目前是貝恩資金(Bain Capital)公司總監,其妻Sandra Edgerley也曾在貝恩公司工作。


劉剛獲提名首屆貝爾實驗室獎

轉載:

 好消息,我要获大奖了!

 作者:刘刚   2014-09-20 09:06:52 [Reads:396]   返回共舞台首页 

本文网址:http://jasmine-action.blogspot.com/2014/09/blog-post_20.html

我已经被提名首届贝尔实验室奖。目前正在进行第二阶段工作,在这个阶段,贝尔实验室将出资出人,帮助我完善我开发的优化计算系统。年底发奖。

我在线性规划以及经济学领域中的几篇论文不久将被学术界认可。将来还会获得更多的奖。

对于懂得线性和非线性规划的人不难看出我的算法对数学领域的贡献。当前线性规划的最佳算法是单行算法(Simplex)和内点算法(Interior Point)。这两个算法被誉为100年来10个最佳算法之中。内点算法的收敛速度是N^5.5. 而我给出的新算法的收敛速度是N^2。通常,将这种算法的收敛速度能提高0.5次方,都能算作是一场革命。我的算法一下提高了3.5次方!

根据我现有的几个发明,我已经开发了一些软件,这些软件将能够取代IBM的一些最赚钱的软件系统。IBM的Cplex系统每年能够赚取几十亿美金,这些软件将会被我的软件取代。

有兴趣的人,不妨到下列网站试用我的软件:

http://quatratic.com

这个网站只是暂时网站。我将同贝尔实验室一道发展建立新网站,并通过更新硬件系统,进一步加速我们的运算速度。届时可望再提高速度一万倍。

还有一个坏消息。我又被毒评给封名了。等将来赚大钱了,看我如何去对付毒评。

随后简单介绍一下我的这个软件的商业价值和应用领域。

目前进行线性规划优化计算的系统是IBM的Cplex以及Gurubi公司的计算系统,对非线性规划的计算系统是斯坦福大学开发达MINOS。这些系统的单一用户的使用权是$8000,有的高达$35,000. 也就是说,如果你要使用这个系统,你每年至少要缴纳$8000. 这比微软的所有软件都加起来还要昂贵。

这类优化问题广泛应用于各个行业,比如电讯行业的光纤网络设计,航空工业的线路规划,金融业的模型优化和模拟计算,在军事上有更多的应用。

举一个例子来说,我曾经为一些电讯公司进行光纤网络设计,这包括北方电讯的光纤网络,奥地利的光纤网络,Level3 的光纤网络。这些光纤网络通常都要投资几十亿美元。通过优化设计,能够节省投资50%。也就是说,我们几个人帮助它们进行优化设计,就能节省投资上亿美元。这些公司当然愿意为我们的优化设计支付上千万美元的报酬。而这种优化设计,就是要通过求解线性规划问题。我当年就是使用CPLEX进行计算。使用CPLEX现有的方法进行计算,我们通常要计算几个礼拜甚至是更长时间才能给出最佳解。我现在开放的软件,就能将解决这类问题的速度由原来的几周时间提高到几分钟内。这是我们的软件的优势。

另外,最主要的是,一旦我们的软件被认定为是当今优化问题的最快软件,那些电讯公司及航空公司就会将它们的那些大项目交给我们去进行优化设计。这些项目通常都是几十亿美元的预算。光是优化设计,就应该能够赚取上千万美元。

下面是一个有包含有两个变量、7个限制条件的三次方优化问题。



上图的左侧给出这个问题的数学表达式,右侧的图形给出这个问题的可能取值区域(Feasible Region). 从图中看,这个问题的最佳解是图中的红圈圈出的那一点。也就是

x0 = 0.90740
x1 = 0.63236


上面的问题可通过使用我们的软件加以解决。我们首先将上述数学公式写出下面的输入文件:

Max: x0 ;
subject to
lower bound for all: 0;
upper bound for all: 1;
Subject To
C1:x0x0x0 + x1x1x1>=1;
C2:x0x0 +x1x1 -2x0>=0;
C3:x0x0 +x1x1 -2x1>=0;
end

将上面的内容存入一个文件,再将此文件上传到 quatratic.com. 随后按照网站上给出的方式求解此问题,就会得到该问题的最佳解。

这个问题很简单,可以通过笔算加以解决。可以用这种简单问题来验证我们的程序。通常,我们的程序是用来解决有很多个变量的问题,比如,可能会有上百万个变量的问题。


应用:习近平包包子的最佳方案



我过去曾经以习近平包包子为例,来解释如何给出习近平包包子的最佳方案。现在,我们就再次以此为例,来使用我们的软件解决这个问题。

我们假设习近平和彭丽媛夫妇分工合作来包包子。二人是一个擀皮,一个包包子。假设在一个小时时间里习近平能够擀皮60个,包20个包子,而彭丽媛能够擀皮40个,包50个包子。假设习近平夫妇的目标是要在一个小时有最大的成品包子产出,就是说要包出尽可能多的包子,又使得包子皮没有过剩也没有短缺,那么,习近平和彭丽媛包包子的最佳方案是什么?就是说,应该让谁擀皮,又让谁去包包子?

这个习近平包包子的问题就是一个线性优化问题。我们首先可以列成下面的数学方程式。

我们将习近平花在包包子上的时间百分比为未知数x,那么,他花在擀皮上的时间就自然是(1-x)。

我们将彭丽媛花在包包子上的时间百分比为未知数y,那么,他花在擀皮上的时间就自然是(1-y)。

这二人合作的擀皮总量为 60(1-x) + 40(1-y).

这二人合作的包包子总量为 20x + 50y.

根据要求,我们需要擀皮总量等于包包子总量,也就是:
20x + 50y = 60(1-x) + 40(1-y).

这就是我们的限制条件之一。其它限制条件还应该有:

0 <= x <= 1;
0 <= y <= 1;

在满足这些限制条件下,我们希望习近平夫妇的包包子产量最大化,那就是要:

maximize: 20x + 50y.

将上述问题适当化简后,习近平包包子的优化方案问题可归结为如下的线性规划问题:

maximize: 20x + 50y.
subject to:
80x + 90y <= 100;
0 <= x <= 1;
0 <= y <= 1;

这个问题就能够使用我们的软件求出最佳解。按照我们软件输入文件的要求,上述问题可列为下面的输入文件格式:

maximize: 20x0 + 50x1;
subject to
upper bound for all: 1;
lower bound for all: 0;
C1: 80x0 + 90x1 <= 100;
end


我们将其存为文件 XiJinpingDumpling.txt. 用我们的软件给出的最佳方案是:

Optimal Objective (包子最大产出量): 52.25;

x0 = 0.125;
x1 = 1;

换成原先的变量就是:
x = 0.125;
y = 1;

这也就是说,习近平若想得到最大生产效率,应该是让习近平花12.5% 的时间来包包子,剩下的 87.5% 的时间去擀包子皮。而彭丽媛用全部时间去包包子。这是最佳方案。这个最佳方案能够使得习近平夫妇在一个小时里能够包出52.25 个包子。任何其它方案都不会比这个方案更好,或者包出的包子数量少,或者是出现包子皮过剩或短缺。

我们这里只是以习近平包包子为例,来说明如何优化投入产出。同样的,现实生活中的很多问题都可化为优化问题。比如说,习近平应该如何管理他的几个常委,应该如何安排这些常委的日常工作,甚至是如何管理这个国家,都能够化成优化问题,并用我们的软件求得最佳方案。

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MASSACHUSETTS GREEN BOND SALE SEES STRONG INVESTOR DEMAND $350 Million Sale Nearly Three Times Oversubscribed Separate Bond Refinancing to Save Taxpayers $45 Million

MASSACHUSETTS GREEN BOND SALE SEES STRONG INVESTOR DEMAND
$350 Million Sale Nearly Three Times Oversubscribed
Separate Bond Refinancing to Save Taxpayers $45 Million

Treasurer Steven Grossman today announced that the Commonwealth’s latest sale of Green Bonds generated tremendous interest from both retail and institutional investors, with orders exceeding $1 billion coming in for $350 million worth of bonds.  This is the second time that Massachusetts has sold bonds with proceeds that are dedicated to fund environmentally beneficial projects across the state, and it follows in the footsteps of the Commonwealth’s first-of-its-kind Green Bond sale last year.
  
 “Green Bonds were a resounding success when we first offered them, and this sale proves that the appetite remains strong,” said Treasurer Steven Grossman. “Investors are excited when they see the Commonwealth’s highest-ever bond rating, prudent fiscal management and strong economic outlook, and Green Bonds give them one more reason to enthusiastically invest in Massachusetts.”

The bond sale began on Monday, September 15th.  Retail investors were given the opportunity to place orders from Monday through Wednesday before institutional investors were allowed to place orders starting on Thursday.  Over the course of the three-day retail-only order period, the Commonwealth received nearly $260 million in orders from retail investors.  The strong overall demand for the Green Bonds led to lower yields on the bonds, with some bonds being sold at lower yields than the municipal market’s AAA yield curve.  The general obligation bonds are rated AA+.

Also part of this week’s sale, the state sold $429.445 million in refunding bonds to refinance certain outstanding bonds. The refinancing will reduce the state’s interest costs by over $45 million.  Taken together, the Green Bond sale and the bond refunding have a total interest cost of 2.13 percent.

The Commonwealth has identified four categories of projects that are expected to be funded from the sale:
·       Clean water & drinking water projects;
·       Energy efficiency and conservation projects in state buildings;
·        Land acquisition, open space protection & environmental remediation projects; and
·       River revitalization & preservation and habitat restoration projects.

In addition to those four categories, one large project has been identified that will be funded with proceeds of the Green Bond sale, the New Bedford Marine Commerce Terminal project.  The New Bedford Marine Commerce Terminal will be the first facility in the nation designed to support the construction, assembly, and deployment of offshore wind projects.  As part of construction, the project is expected to include the dredging and removal of approximately 250,000 cubic yards of contaminated sediment caused by industrial waste generated during the 1930’s and 1940’s as well as the creation of environmental and habitat restoration areas.

GOVERNOR PATRICK ANNOUNCES PARTNERSHIP WITH MASSCHALLENGE TO FURTHER GROWTH IN THE INNOVATION ECONOMY

GOVERNOR PATRICK ANNOUNCES PARTNERSHIP WITH MASSCHALLENGE TO FURTHER GROWTH IN THE INNOVATION ECONOMY
Innovative collaboration will generate growth in the global marketplace 
BOSTON – Monday, September 22, 2014 – Governor Deval Patrick today announced a combined partnership between Bpifrance, Cambridge Biolabs and MassChallenge to create a framework for collaboration that will support the global entrepreneurial ecosystem.
“Massachusetts is home to an amazing array of startups and our entrepreneurial ecosystem is one of the strongest in the Nation,” said Governor Patrick. “Today’s partnership attests to our strength as a global leader in entrepreneurship across the world.”
On Friday, September 19, as part of the agreement, the parties signed a Memorandum of Understanding (MOU), which calls for a feasibility study in France that will examine the possibility of establishing a joint operation between Cambridge Biolabs and MassChallenge, with financial support from Bpifrance. This agreement is aimed to accelerate the growth of innovative entrepreneurial startups.
Bpifrance is a French financial organization. Its objective is to support businesses (SMEs, medium-sized enterprises and larger companies of a strategic importance to the French economy), from start-up through to stock market flotation, by providing loans, guarantees and equity. Bpifrance also provides enhanced support and backing for innovation, export, and external growth. With its 42 regional offices, it is a one-stop shop for entrepreneurs in each region for all their finance and investment needs.
“We are very pleased with the visit of Governor Deval Patrick in France and the beginning of an international collaboration benefiting from the experience of Boston on the development of structures that accelerate the growth of innovative entrepreneurial projects.” said Nicolas Dufourcq, Chief Executive Officer of Bpifrance.  

Cambridge Biolabs provides contract research services to the biotech and pharmaceutical industry, with a specific focus on early-stage technology and drug development. Cambridge Biolabs also builds and manages shared laboratory spaces, such as Lab Central in Cambridge, for early stage life science and biotech startup companies.
"We look forward to collaborating with Bpifrance and MassChallenge on the establishment of a strong ecosystem for entrepreneurial startups in France." said Johannes Fruehauf, Founder and President of Cambridge Biolabs. "the excellent academic environment in France provides huge untapped opportunities for entrepreneurial development of startup companies. Bpifrance's commitment to support the launch of entrepreneurial catalysts like MassChallenge and Cambridge Biolabs in France could help usher in a new industrial startup revolution and we look forward to being part of this."
“Through programs like MassChallenge, Massachusetts is able to extend an open invitation for the world’s highest-impact, highest-potential startups to grow their ideas in our Commonwealth,” said Housing and Economic Development Secretary Greg Bialecki.
MassChallenge is the largest-ever global startup competition, designed to connect entrepreneurs with the critical resources they need to launch high-growth businesses immediately. Currently in its fifth year, MassChallenge has accelerated 489 startups, which have created more than 4,000 new jobs and raised over $550 million in outside funding. Over $1 million in cash prizes is awarded to winning startups annually, with zero equity taken. Additional benefits include world-class mentorship and training, free office space, access to funding, legal advice, media and over $15 million of in-kind support.
“Governor Patrick's innovation partnership mission demonstrates that Massachusetts can be a great economic partner on a global scale. Signing the MOU in France is an important step for MassChallenge as we continue to explore new locations for our accelerator and think about new ways to create value for entrepreneurs globally.” Said John Harthorne, Founder and CEO of MassChallenge.