اولین روز از کارگاه ۷ روزه دادههای بزرگ و یادگیری ماشین، با تاکید بر یادگیری بانظارت و یک نمونه کاربردی کشف تقلب در تاریخ ۶ مرداد ۱۳۹۵ در محل دانشکده فنی دانشگاه تهران برگزار شد. این اسلاید روز اول است. این دوره به همت ایسیام دانشگاه تهران برگزار میشود
زمان هر جلسه ۲ ساعت است
27. 27
ﺗﻌﺮﯾﻒ - ﻣﺎﺷﯿﻦ ِﯾﺎﺩدﮔﯿﺮﯼیﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
“[Machine Learning is the] field of study that gives computers the ability
to learn without being explicitly programmed.” - Arthur Samuel, 1959
28. 28
ﺗﻌﺮﯾﻒ - ﻣﺎﺷﯿﻦ ِﯾﺎﺩدﮔﯿﺮﯼیﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
“A computer program is said to learn from experience E with respect to
some task T and some performance measure P, if its performance on T,
as measured by P, improves with experience E.” - Tom Mitchell, 1997
29. 29
ﻣﺜﺎﻝل - ﻣﺎﺷﯿﻦ ِﯾﺎﺩدﮔﯿﺮﯼیﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
So if you want your program to predict, traffic patterns at a busy
intersection (task T), you can run it through a machine learning algorithm
with data about past traffic patterns (experience E) and, if it has
successfully “learned”, it will then do better at predicting future traffic
patterns (performance measure P).
Experience E Task T
33. 33
ﭘﺎﺳﺦ - ﻣﺎﺷﯿﻦ ِﯾﺎﺩدﮔﯿﺮﯼیﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
T
E
P
34. 34
ﻧﻈﺎﺭرﺕتﺎﺑ - ﮔﯿﺮﯼیﺩدﯾﺎ ﺍاﻧﻮﺍاﻉعﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
Supervised machine learning: The program is “trained” on a
pre-defined set of “training examples”, which then facilitate its
ability to reach an accurate conclusion when given new data.
35. 35
ﻧﻈﺎﺭرﺕتﺎﺑ - ﮔﯿﺮﯼیﺩدﯾﺎ ﺍاﻧﻮﺍاﻉعﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
Supervised machine learning: The program is “trained” on a
pre-defined set of “training examples”, which then facilitate its
ability to reach an accurate conclusion when given new data.
Most Popular
36. 36
ﻧﻈﺎﺭرﺕتﺎﺑ - ﮔﯿﺮﯼیﺩدﯾﺎ ﺍاﻧﻮﺍاﻉعﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
Supervised machine learning: The program is “trained” on a
pre-defined set of “training examples”, which then facilitate its
ability to reach an accurate conclusion when given new data.
Most Popular
Right Answers are Given
37. 37
ﻧﻈﺎﺭرﺕتﯽﺑ - ﮔﯿﺮﯼیﺩدﯾﺎ ﺍاﻧﻮﺍاﻉعﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
Unsupervised machine learning: The program is given a bunch
of data and must find patterns and relationships therein.
65. 65
ﭘﺮﺳﻨﻞ ﺭرﺿﺎﯾﺘﻤﻨﺪﯼی - ﺑﺎﻧﻈﺎﺭرﺕت ِﯾﺎﺩدﮔﯿﺮﯼیﺍاﻥنﺮﺗﻬ ﺩدﺍاﻧﺸﮕﺎﻩه ACM - ۱۳۹۵ ﺗﺎﺑﺴﺘﺎﻥن - ﻣﺎﺷﯿﻦﯼیﯾﺎﺩدﮔﯿﺮ ﻭو ﺑﺰﺭرﮒگ ﻫﺎﯼیﻩهﺩدﺍاﺩد ﻫﺎﯼیﺩدﮐﺎﺭرﺑﺮ ﺑﺮ ﮔﺬﺭرﯼی
“All models are wrong, but some are useful” - George E. P. Box