CERTIFICATE OF PARTICIPATION provided to

Arezoo Rajabi for participation in the

2017 CREDC Summer School June 12-16, 2017 in St. Charles, Illinois

2017 CREDC Summer School Committee http://go.illinois.edu/2017CREDCSummer

9/7/19, 6(12 PMCognitiveClass DS0103EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/user/1341984/course/course-v1(CognitiveClass+DS0103EN+v3

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Data Science Methodology(DS0103EN, provided by CognitiveClass)

an online course on Cognitive Class.

September 7, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/6c0f80084c1343679149bca548e10693

9/5/19, 1'27 PMCognitive Class DS0101EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/f49fcd78f2da4870a9fc8ca74e051e0d

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Introduction to Data Science(DS0101EN, provided by Cognitive Class)

an online course on Cognitive Class.

September 5, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/f49fcd78f2da4870a9fc8ca74e051e0d

9/9/19, 8'29 PMCognitive Class BD0212EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/270a09d55e804bb9a6182d01b53d7e3a

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Spark Fundamentals II(BD0212EN, provided by Cognitive Class)

an online course on Cognitive Class.

September 10, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/270a09d55e804bb9a6182d01b53d7e3a

9/9/19, 11&59 AMCognitive Class BD0211EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/user/1341984/course/course-v1&BigDataUniversity+BD0211EN+2016

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Spark Fundamentals I(BD0211EN, provided by Cognitive Class)

an online course on Cognitive Class.

September 9, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/d285e389713d4ed8b8a9e0207cb0f2cc

9/23/19, 11(29 AMBig Data University BD0223EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/94c368a9420c47ee8c90632950d6b6a7

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Exploring Spark's GraphX(BD0223EN, provided by Big Data University)

an online course on Cognitive Class.

September 23, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/94c368a9420c47ee8c90632950d6b6a7

9/13/19, 1'48 PMBig Data University BD0221EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/e22038e31a8a4e19808ba72fc351a093

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Spark MLlIB(BD0221EN, provided by Big Data University)

an online course on Cognitive Class.

September 13, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/e22038e31a8a4e19808ba72fc351a093

9/6/19, 1'28 PMCognitiveClass DS0105EN Certificate | Cognitive Class

Page 1 of 1https://courses.cognitiveclass.ai/certificates/user/1341984/course/course-v1'CognitiveClass+DS0105EN+v2

This is to certify that

Arezoo Rajabisuccessfully completed and received a passing grade in

Data Science Hands-On with

Open Source Tools(DS0105EN, provided by CognitiveClass)

an online course on Cognitive Class.

September 6, 2019

Authenticity of this certificate can be validated by going to:https://courses.cognitiveclass.ai/certificates/e9940153c2ed4e79acdfb57503abb11a