Item-Based Collaborative Filtering

Back in 2017, during my Master’s Thesis, I ran this blog in german. Time flies and fast forward to today, I switched to english language very long time ago. For the thesis, I was researching about recommendation systems and Item-Based Collaborative Filtering, among others. My research results were published on this blog, but in German. … read more …

Recommendation Assistant 1.0.0 is here

It has been a while since I released the initial version of Recommendation Assistant, my Master’s Thesis in coorperatin with Nextcloud GmbH and Frankfurt University of Applied Sciences. Today, I am happy to announce version 1.0.0. What has been changed? Most of the work is on how recommendations are being calculated. Earlier this year, I … read more …

TF-IDF keyword extraction

For my masters thesis I have researched Content-Based Recommendation and extracting keywords – namely: TF-IDF keyword extraction – as a part of it in detail. One interesting point regarding to keyword extraction is the “quality” of keywords, meaning that if a keyword is descriptive for a document or not. TF-IDF Definition For TF-IDF keyword extraction … read more …