Groups

OpenML

Contact owners and managers

1–30 of 77

Welcome to the OpenML Community. Feel free to announce yourself and your interest in OpenML. Everyone is welcome as long as you are polite and constructive to the community. Please post bug reports on GitHub: https://github.com/openml/OpenML/issues

0 selected

User 1995, Joaquin Vanschoren3

11/25/25

Is openml.org down? I’m seeing only a blank page

Thanks for the quick reply, Joaquin. It's working for me now, perhaps it was due to the

unread,

Is openml.org down? I’m seeing only a blank page

Thanks for the quick reply, Joaquin. It's working for me now, perhaps it was due to the

11/25/25

Runtian Zhai, Joaquin Vanschoren2

1/12/25

OpenML Server Down

Hi Runtian, The university (hosting our servers) was under a cyberattack and they shut down the

unread,

OpenML Server Down

Hi Runtian, The university (hosting our servers) was under a cyberattack and they shut down the

1/12/25

COSEAL 2024 Team

1/11/24

COSEAL 2024 in Dresden, May 21-23 (Registration is Open)

Dear all, We are excited to announce this year's edition of the COSEAL workshop (the webpage will

unread,

COSEAL 2024 in Dresden, May 21-23 (Registration is Open)

Dear all, We are excited to announce this year's edition of the COSEAL workshop (the webpage will

1/11/24

Stephen Piccolo, Joaquin Vanschoren5

2/9/23

Combining feature selection with meta learning

Yes, exactly. You could meta-learn which exact features to select if you have a scenario with many

unread,

Combining feature selection with meta learning

Yes, exactly. You could meta-learn which exact features to select if you have a scenario with many

2/9/23

Leo Grin, Jan N. van Rijn3

5/27/21

Activation email not sent ?

Dear Jan, Thank you for the quick answer! Yes, it works now, thanks! Best, Léo Le jeudi 27 mai 2021 à

unread,

Activation email not sent ?

Dear Jan, Thank you for the quick answer! Yes, it works now, thanks! Best, Léo Le jeudi 27 mai 2021 à

5/27/21

Aishwarya Ambapkar

5/17/21

how to mplement

Determine the type of Dermatology Eryhemato Squamous Disease.

unread,

how to mplement

Determine the type of Dermatology Eryhemato Squamous Disease.

5/17/21

Aurélien, Jan N. van Rijn2

3/25/21

SSL Certificate Expired

Hi Aurelien, Is this still a problem? I had problems accessing the site in my browser yesterday, but

unread,

SSL Certificate Expired

Hi Aurelien, Is this still a problem? I had problems accessing the site in my browser yesterday, but

3/25/21

Sanjula Madurapperuma

1/14/21

Introduction and information about research

Hi everyone! I am Sanjula, a final year undergraduate reading for the BEng(Hons) Software Engineering

unread,

Introduction and information about research

Hi everyone! I am Sanjula, a final year undergraduate reading for the BEng(Hons) Software Engineering

1/14/21

Joaquin Vanschoren

8/21/20

OpenML Fall Hackathon 2020 - Vote now to select the date

Dear all, We'll hold the next OpenML Hackathon this fall, joining Hacktoberfest. It will again be

unread,

OpenML Fall Hackathon 2020 - Vote now to select the date

Dear all, We'll hold the next OpenML Hackathon this fall, joining Hacktoberfest. It will again be

8/21/20

8/27/18

Call for Collaboration in a Medical Research Project

Hello Everyone I am conducting a research project on cerebrovascular surgery as part of requirements

unread,

Call for Collaboration in a Medical Research Project

Hello Everyone I am conducting a research project on cerebrovascular surgery as part of requirements

8/27/18

peng yu, Joaquin Vanschoren6

7/21/18

Add new algorithm implemetation to the tasks

Dear Peng, Sorry about the slow reply. I was on holidays. I looked into it, and indeed this is not

unread,

Add new algorithm implemetation to the tasks

Dear Peng, Sorry about the slow reply. I was on holidays. I looked into it, and indeed this is not

7/21/18

Rafael Novello, … Jan van Rijn6

6/11/18

How to get results/metrics per dataset?

Hi Jan! Sorry for the delay! Thanks a lot for the great help! Now OpenML is much more clear to me!

unread,

How to get results/metrics per dataset?

Hi Jan! Sorry for the delay! Thanks a lot for the great help! Now OpenML is much more clear to me!

6/11/18

Mark Liversedge, Joaquin Vanschoren5

5/14/18

High Volume + Incrementally Growing Datasets

OK :). For generic data storage, there is also Zenodo (also gives you a DOI). If you also want to

unread,

High Volume + Incrementally Growing Datasets

OK :). For generic data storage, there is also Zenodo (also gives you a DOI). If you also want to

5/14/18

Deepika Singhal

5/10/18

Job Opportunities in Artificial Intelligence | Innoplexus Online Hackathon

Hey, I am announcing Innoplexus Online Hackathon where you will have the opportunity to solve a real-

unread,

Job Opportunities in Artificial Intelligence | Innoplexus Online Hackathon

Hey, I am announcing Innoplexus Online Hackathon where you will have the opportunity to solve a real-

5/10/18

Deepika Singhal

3/20/18

[Hackathon Announcement] Lord Of The Machines: Data Science Hackathon on March 24, 2018

Hi, Here is an interesting hackathon for all data science & machine learning lovers: The Lord Of

unread,

[Hackathon Announcement] Lord Of The Machines: Data Science Hackathon on March 24, 2018

Hi, Here is an interesting hackathon for all data science & machine learning lovers: The Lord Of

3/20/18

Adriano Rivolli, … Joaquin Vanschoren3

2/9/18

Extracting data characterization / meta-features for datasets

Hi Adriano, 41025 has all features now 41024 has no target feature, so only the 19 simple ones can be

unread,

Extracting data characterization / meta-features for datasets

Hi Adriano, 41025 has all features now 41024 has no target feature, so only the 19 simple ones can be

2/9/18

Joaquin Vanschoren

9/1/17

Join us at the Open Machine Learning Hackathon

Dear all, [Apologies if you already received this email.] You are cordially invited to participate in

unread,

Join us at the Open Machine Learning Hackathon

Dear all, [Apologies if you already received this email.] You are cordially invited to participate in

9/1/17

Danny Goodman, Joaquin Vanschoren3

8/4/17

Is OpenML defunct?

Thanks! Confirmed that it's working for me. On Fri, Aug 4, 2017 at 2:32 PM, Joaquin Vanschoren

unread,

Is OpenML defunct?

Thanks! Confirmed that it's working for me. On Fri, Aug 4, 2017 at 2:32 PM, Joaquin Vanschoren

8/4/17

Sami Ullah, … Rudolf Kadlec4

5/23/17

Local installations configurations.

Hi, have you succeeded with this? I followed https://github.com/openml/OpenML/wiki/Local-Installation

unread,

Local installations configurations.

Hi, have you succeeded with this? I followed https://github.com/openml/OpenML/wiki/Local-Installation

5/23/17

Joaquin Vanschoren, MrPhipsy3

2/2/17

OpenML 2017 Developer Workshop coming up soon

Hi Philipp, Sorry, we are in the middle of moving to a new server, hence some inconsistencies. Can

unread,

OpenML 2017 Developer Workshop coming up soon

Hi Philipp, Sorry, we are in the middle of moving to a new server, hence some inconsistencies. Can

2/2/17

Joaquin Vanschoren

9/18/16

OpenML Blog and Youtube Channel

Hi all, Just a small reminder that we have an OpenML Blog: https://medium.com/open-machine-learning

unread,

OpenML Blog and Youtube Channel

Hi all, Just a small reminder that we have an OpenML Blog: https://medium.com/open-machine-learning

9/18/16

Joaquin Vanschoren

8/25/16

OpenML Hackathon (last call)

Open Machine Learning Hackathon @Eindhoven University of Technology, September 5-9, 2016 Website:

unread,

OpenML Hackathon (last call)

Open Machine Learning Hackathon @Eindhoven University of Technology, September 5-9, 2016 Website:

8/25/16

Joaquin Vanschoren

7/23/16

Join the next OpenML Hackathons

Hi, We have two bits of good news. First, our proposal to hold the 2017 OpenML Hackathon again at the

unread,

Join the next OpenML Hackathons

Hi, We have two bits of good news. First, our proposal to hold the 2017 OpenML Hackathon again at the

7/23/16

William RAYNAUT

5/17/16

Exposé and Workflow Construction

Hello everyone, I am currently interested in the topic of Data Mining Workflow Construction, and

unread,

Exposé and Workflow Construction

Hello everyone, I am currently interested in the topic of Data Mining Workflow Construction, and

5/17/16

Brylie Oxley, Joaquin Vanschoren3

4/18/16

How to export/integrate OpenML flow with Orange Data Mining?

Joaquin, Thank you for your quick response. I opened an issue with Orange Data Mining as well, hoping

unread,

How to export/integrate OpenML flow with Orange Data Mining?

Joaquin, Thank you for your quick response. I opened an issue with Orange Data Mining as well, hoping

4/18/16

xavier sumba, … Jan van Rijn16

1/21/16

Contribute to compare results between platforms

Concerning KNIME: Personally, I would start from scratch. Development was started in a very early

unread,

Contribute to compare results between platforms

Concerning KNIME: Personally, I would start from scratch. Development was started in a very early

1/21/16

William RAYNAUT, … Joaquin Vanschoren7

12/8/15

Questions regarding the public database

Hello again, Ok, I didnt realize that it was the previous version of openML. I was hooked by the last

unread,

Questions regarding the public database

Hello again, Ok, I didnt realize that it was the previous version of openML. I was hooked by the last

12/8/15

Joaquin Vanschoren

10/27/15

Open Machine Learning Workshop

Open Machine Learning Workshop @Lorentz Center, Leiden, 14-18 March 2016 Website: http://openml2016.

unread,

Open Machine Learning Workshop

Open Machine Learning Workshop @Lorentz Center, Leiden, 14-18 March 2016 Website: http://openml2016.

10/27/15

Kris van Tienhoven

8/27/15

Hello everyone, I am Kris van Tienhoven a Computer Science and Engineering student at the University

unread,

Hello everyone, I am Kris van Tienhoven a Computer Science and Engineering student at the University

8/27/15

Joaquin Vanschoren

8/19/15

OpenML Workshop 2015 - Register now

Just 2 weeks left before the OpenML Workshop! Register here: http://eindhoven2015.openml.org/ The

unread,

OpenML Workshop 2015 - Register now

Just 2 weeks left before the OpenML Workshop! Register here: http://eindhoven2015.openml.org/ The

8/19/15

Search

Clear search

Close search

Google apps

Main menu