Groups

LensKit Recommender Toolkit Development and Support

Contact owners and managers

1–30 of 50

This mailing list is retired. LensKit discussion now happens in the GitHub discussions.

Welcome to the discussion mailing list for the LensKit recommender systems toolkit. This mailing list is for both users and developers to discuss all things related to using LensKit and its further development.

Additional resources:

0 selected

Feb 6

Highly Recommend Matthew Duct Cleaning!!

I recently got my ducts cleaned, and honestly, the service was amazing! I'm really happy with the

unread,

Highly Recommend Matthew Duct Cleaning!!

I recently got my ducts cleaned, and honestly, the service was amazing! I'm really happy with the

Feb 6

10/11/25

Vent/Duct Cleaning just $170

Hey neighbors, David is going to clean our Air vents and Dryer Vents again. He did a great job for us

unread,

Vent/Duct Cleaning just $170

Hey neighbors, David is going to clean our Air vents and Dryer Vents again. He did a great job for us

10/11/25

Michael Ekstrand

10/3/24

Retiring the mailing list

Hi all, Since this mailing list receives very low traffic, but we do get questions and comments from

unread,

Retiring the mailing list

Hi all, Since this mailing list receives very low traffic, but we do get questions and comments from

10/3/24

Michael Ekstrand

3/11/22

Bugfix release 0.14.1

I just pushed LensKit version 0.14.1. This fixes bug #309, in which nDCG was not computed correctly

unread,

Bugfix release 0.14.1

I just pushed LensKit version 0.14.1. This fixes bug #309, in which nDCG was not computed correctly

3/11/22

Michael Ekstrand

2/19/22

LensKit 0.14 now available

Hi all, I have now released LensKit 0.14. Full details in the release notes: https://github.com/

unread,

LensKit 0.14 now available

Hi all, I have now released LensKit 0.14. Full details in the release notes: https://github.com/

2/19/22

Michael Ekstrand

6/18/21

LensKit 0.13.0 now available - please upgrade!

LensKit 0.13.0 is now available. I encourage everyone to upgrade! Full details on this release are in

unread,

LensKit 0.13.0 now available - please upgrade!

LensKit 0.13.0 is now available. I encourage everyone to upgrade! Full details on this release are in

6/18/21

manou....@gmail.com, Michael Ekstrand3

6/2/21

hyper-parameters tuning in Lenskit

Hi Michael, That's great. I will have a look at the book author gender project and keep track on

unread,

hyper-parameters tuning in Lenskit

Hi Michael, That's great. I will have a look at the book author gender project and keep track on

6/2/21

Michael Ekstrand, Daniel Kluver2

3/8/21

MultiEval support

I can say with confidence that I havn't used it. Without looking deep into the design

unread,

MultiEval support

I can say with confidence that I havn't used it. Without looking deep into the design

3/8/21

Michael Ekstrand, Daniel Kluver2

2/25/21

Supported Python versions - adopt NEP29?

I think it's reasonable to adopt this. If we're going to adopt a not-python-driven schedule

unread,

Supported Python versions - adopt NEP29?

I think it's reasonable to adopt this. If we're going to adopt a not-python-driven schedule

2/25/21

Michael Ekstrand

2/12/21

I'm pleased to announce the release of LensKit 0.12. This version brings mostly some internal and

unread,

I'm pleased to announce the release of LensKit 0.12. This version brings mostly some internal and

2/12/21

Michael Ekstrand

11/18/20

LensKit in conda-forge

Hi all, I'm very pleased that we now have LensKit in conda-forge (https://anaconda.org/conda-

unread,

LensKit in conda-forge

Hi all, I'm very pleased that we now have LensKit in conda-forge (https://anaconda.org/conda-

11/18/20

Michael Ekstrand

11/13/20

LensKit for Python 0.11.0 released

I am pleased to announce the release of LensKit 0.11.0. This release brings a number of functionality

unread,

LensKit for Python 0.11.0 released

I am pleased to announce the release of LensKit 0.11.0. This release brings a number of functionality

11/13/20

miguelga...@gmail.com, Michael Ekstrand2

10/10/20

Lenskit.batch.predict persistance

Hi Miguel, There are two ways that you can reduce the disk space usage. One is to turn off parallel

unread,

Lenskit.batch.predict persistance

Hi Miguel, There are two ways that you can reduce the disk space usage. One is to turn off parallel

10/10/20

Miguel Silva, Michael Ekstrand5

8/11/20

k-NN algorithms implementation

Hello Michael, I reimplemented my IBKNN version following your idea and now I am achieving exactly

unread,

k-NN algorithms implementation

Hello Michael, I reimplemented my IBKNN version following your idea and now I am achieving exactly

8/11/20

Michael Ekstrand

5/25/20

LKPY 0.9.0 released

Dear LensKitters, I'm pleased to announce the release of LensKIt for Python version 0.9.0. This

unread,

LKPY 0.9.0 released

Dear LensKitters, I'm pleased to announce the release of LensKIt for Python version 0.9.0. This

5/25/20

Bill Noffsinger

3/16/20

Lenskit 0.8.4 in Google Colab

When using the J Notebook in Google Colab pip install lenskit appears to run OK and the 2.1.1 Setup

unread,

Lenskit 0.8.4 in Google Colab

When using the J Notebook in Google Colab pip install lenskit appears to run OK and the 2.1.1 Setup

3/16/20

Michael Ekstrand

12/10/19

LensKit 0.8.1 (and 0.8.0) released

Hi LensKit users! We're pleased to announce the release of LensKit 0.8.1. Release notes are here:

unread,

LensKit 0.8.1 (and 0.8.0) released

Hi LensKit users! We're pleased to announce the release of LensKit 0.8.1. Release notes are here:

12/10/19

Bill Noffsinger, … Michael Ekstrand7

9/27/19

Attempting Getting Started Python script in Release 0.6.0 Lenskit Documentation

Bill, That example is not complete - it assumes you have variables 'algo' and 'pairs'

unread,

Attempting Getting Started Python script in Release 0.6.0 Lenskit Documentation

Bill, That example is not complete - it assumes you have variables 'algo' and 'pairs'

9/27/19

Ixent Galpin, Michael Ekstrand2

7/30/19

Support for multi-criteria ratings?

Ixent, Sorry for the delay in replying - this got lost in the push for SIGIR. LKPY is flexible in the

unread,

Support for multi-criteria ratings?

Ixent, Sorry for the delay in replying - this got lost in the push for SIGIR. LKPY is flexible in the

7/30/19

Andrew Ziem, Michael Ekstrand2

6/13/19

side information about users

Andrew, None of LensKit's algorithms make use of such data, but you can implement an algorithm

unread,

side information about users

Andrew, None of LensKit's algorithms make use of such data, but you can implement an algorithm

6/13/19

6/13/19

Looking for Lenskit/Samantha people in Los Angeles

If there is anyone in the LA area with experience deploying Lenskit and/or Samantha I would like to

unread,

Looking for Lenskit/Samantha people in Los Angeles

If there is anyone in the LA area with experience deploying Lenskit and/or Samantha I would like to

6/13/19

Michael Ekstrand

5/18/19

New LensKit release

I just tagged & pushed 0.7. Major changes: RecListAnalysis has the ability to make sure all users

unread,

New LensKit release

I just tagged & pushed 0.7. Major changes: RecListAnalysis has the ability to make sure all users

5/18/19

Michael Ekstrand

3/6/19

LensKit for Python 0.6.0 released

Over the weekend, I released LensKit 0.6.0. Release notes are here: https://github.com/lenskit/lkpy/

unread,

LensKit for Python 0.6.0 released

Over the weekend, I released LensKit 0.6.0. Release notes are here: https://github.com/lenskit/lkpy/

3/6/19

Márcia Barros, Michael Ekstrand3

2/20/19

lenskit.batch.predict

Thanks :) I'll use batch.recommend. Best Regards, Márcia On Wednesday, February 20, 2019 at 4:26:

unread,

lenskit.batch.predict

Thanks :) I'll use batch.recommend. Best Regards, Márcia On Wednesday, February 20, 2019 at 4:26:

2/20/19

Michael Ekstrand

2/20/19

Recommendation API Improvements

I have now merged a set of Top-N recommendation API changes. After fleshing out documentation &

unread,

Recommendation API Improvements

I have now merged a set of Top-N recommendation API changes. After fleshing out documentation &

2/20/19

Fernando Alves, Michael Ekstrand3

2/6/19

LPKY distance measure

Aye, thanks. On Wednesday, February 6, 2019 at 3:55:11 PM UTC, Michael Ekstrand wrote: Fernando,

unread,

LPKY distance measure

Aye, thanks. On Wednesday, February 6, 2019 at 3:55:11 PM UTC, Michael Ekstrand wrote: Fernando,

2/6/19

Márcia Barros, Michael Ekstrand2

2/6/19

LKPY collaborative-filtering

Márcia, It is not currently possible to change the similarity function. Hard-wiring the cosine

unread,

LKPY collaborative-filtering

Márcia, It is not currently possible to change the similarity function. Hard-wiring the cosine

2/6/19

Martijn- Augment KU Leuven, Michael Ekstrand4

1/18/19

I suspect that the problem is a lack of a 'candidates' set, and the MF algorithms cannot

unread,

I suspect that the problem is a lack of a 'candidates' set, and the MF algorithms cannot

1/18/19

Michael Ekstrand

1/14/19

LKPY 0.5.0 released

LensKit for Python 0.5.0 is now available: http://lkpy.lenskit.org/en/stable/releases.html The

unread,

LKPY 0.5.0 released

LensKit for Python 0.5.0 is now available: http://lkpy.lenskit.org/en/stable/releases.html The

1/14/19

Robin Burke, Michael Ekstrand3

1/10/19

Algorithm clone error

In the mean time, the release docs are here: https://lkpy.readthedocs.io/en/stable/GettingStarted.

unread,

Algorithm clone error

In the mean time, the release docs are here: https://lkpy.readthedocs.io/en/stable/GettingStarted.

1/10/19

Search

Clear search

Close search

Google apps

Main menu