Submitted manuscript, 634 KB, PDF document
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review
}
TY - GEN
T1 - Text-based user-kNN
T2 - measuring user similarity based on text reviews
AU - Terzi, Maria
AU - Rowe, Matthew
AU - Ferrario, Maria Angela
AU - Whittle, Jon
PY - 2014/6/23
Y1 - 2014/6/23
N2 - This article reports on a modification of the user-kNN algorithm that measures the similarity between users based on the similarity of text reviews, instead of ratings. We investigate the performance of text semantic similarity measures and we evaluate our text-based user-kNN approach by comparing it to a range of ratings-based approaches in a ratings prediction task. We do so by using datasets from two different domains: movies from RottenTomatoes and Audio CDs from Amazon Products. Our results show that the text-based userkNN algorithm performs significantly better than the ratings-based approaches in terms of accuracy measured using RMSE.
AB - This article reports on a modification of the user-kNN algorithm that measures the similarity between users based on the similarity of text reviews, instead of ratings. We investigate the performance of text semantic similarity measures and we evaluate our text-based user-kNN approach by comparing it to a range of ratings-based approaches in a ratings prediction task. We do so by using datasets from two different domains: movies from RottenTomatoes and Audio CDs from Amazon Products. Our results show that the text-based userkNN algorithm performs significantly better than the ratings-based approaches in terms of accuracy measured using RMSE.
U2 - 10.1007/978-3-319-08786-3_17
DO - 10.1007/978-3-319-08786-3_17
M3 - Conference contribution/Paper
SN - 9783319087856
T3 - Lecture Notes in Computer Science
SP - 195
EP - 206
BT - User modeling, adaptation, and personalization
PB - Springer
ER -