Summary: Cross-Domain Recommendations with Overlapping Items

Full text available: proceedings | direct link.

D. Kotkov, S. Wang, and J. Veijalainen. Cross-domain recommendations with overlapping items. In Proceedings of the 12th International Conference on Web Information Systems and Technologies, pages 131-138, 2016.

Summary: Challenges of Serendipity in Recommender Systems

Full text available: proceedings | direct link.

D. Kotkov, J. Veijalainen, and S. Wang. Challenges of serendipity in recommender systems. In Proceedings of the 12th International Conference on Web Information Systems and Technologies, pages 251-256, 2016.

Lenskit: Recommendation browser

Recommendation Browser has been developed to investigate recommendations users receive in Lenskit framework. The graphical user interface looks as follows:

Lenskit: data split in evaluation

Lenskit 2 has an embedded evaluation module. In this post I am going to describe how it splits datasets.

Lenskit: Popular items evaluation exception solution

In Lenskit 2.2.1 in evaluation when algorithms get to rank popular items the framework throws exception. The problem has been reported to the authors of Lenskit and it will be fixed soon. In this post I offer a workaround for this problem for those who use version 2.2.1.

Bash: screen reminder

Bash command screen allows to run processes in background and return to them. Here are a few commands that might be useful.

Git: quick reminder

The post consists of sets of frequently used sets of commands.