برای دستیابی به مزیت رقابتی در شرایط عدم‌­اطمینان که آن تغییر ضروری است، یکی از چالش‌های بزرگ سازمان‌ها کاهش ریسک طریق ایجاد زنجیره‌های تأمین تاب‌آور است. تاب‌آوری زنجیره ‌تأمین توانایی مقابله با اختلال اشاره دارد یک رویداد غیرقابل‌پیش‌بینی بوده و دارای منابع داخلی خارجی مختلفی ازجمله بلایای طبیعی ریسک‌های عملیاتی پژوهش حاضر شبیه‌سازی توسط نرم‌افزار ارنا زنجیره‌ سنگ ساختمانی «کارخانه سنگبری آسم...

Recent research has demonstrated that verbal overshadowing occurs when a witness is forced to provide details of the culprit that are not readily available, but the effect does not occur when the witness is warned to provide only the information they are absolutely sure of (Meissner et al., 2001). The present study attempts to replicate this effect and to further examine the instructional manip...

When learning a dependence from data, to avoid overfitting, it is important to divide the data into the training set and the testing set. We first train our model on the training set, and then we use the data from the testing set to gauge the accuracy of the resulting model. Empirical studies show that the best results are obtained if we use 20-30% of the data for testing, and the remaining 70-...

The Universe is magnetized. This is true on “small” length scales, such as in planets and stars, and over much larger scales, such as across the tenuous gas in galaxies and galaxy clusters and, possibly, the even more rarefied intergalactic medium. Physicists are fairly certain that these magnetic fields weren’t created in the big bang (the reason has to do with the symmetry of Maxwell’s equati...

Most graduating seniors are fairly sure they will receive a degree at Rice's May 12 commencement . Who will speak at the event, however, remains up in the air. T h e 2001 C o m m e n c e m e n t Speaker Committee will meet in the next week to discuss additional possibilities for this year 's speaker. For various reasons, none of the e ight c and ida t e s who were approached accepted the invita...