TY - JOUR T1 - An Economic and Mathematical Model of IT Service Provider Selection on the Basis of Analysis of Non-Structured Text Documents AU - Salov, Nikolai AU - Dli, Maxim AU - Kakatunova, Tatyana AU - Tukaev, Dmitrii JO - Journal of Engineering and Applied Sciences VL - 14 IS - 5 SP - 1662 EP - 1667 PY - 2019 DA - 2001/08/19 SN - 1816-949x DO - jeasci.2019.1662.1667 UR - https://makhillpublications.co/view-article.php?doi=jeasci.2019.1662.1667 KW - IT outsourcing KW -analysis of non-structured text documents KW -text document clustering KW -recommendation systems KW -topic modeling KW -additive regularization of topic models AB - The study proposes an economic and mathematical IT service provider selection model requiring no preliminary intellectual processing of inputs in contrast to known models. In addition, this approach is characterized by lower computational complexity in contrast to known topic modeling-based recommendation algorithms and enables taking into account the similarity of various topics. ER -