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In particular, the study proposes a computational trust model based on three main components, reliability, reputation and risk of interactions (3-R) in order to select trustworthy advisor agents. These advisors are buyer agents which suggest a trustworthy seller agent for transaction. The 3-R model represents a method for calculating reliability, with each advisor that has similar preferences with the buyer. Experimental results are presented in defense of the proposed approach and to demonstrate the accuracy of the presented model in evaluating the trustworthiness of advisors, even when a social network of advisors contains few numbers of advisors. The proposed 3-R model will be useful for researchers to improve the safety of electronic marketplaces in the case where the buyer agent has no previous experience with sellers, and it has to trust the other buyers as an advisor to make a decision about sellers.<\/jats:p>","DOI":"10.3233\/ifs-151662","type":"journal-article","created":{"date-parts":[[2015,11,10]],"date-time":"2015-11-10T11:34:43Z","timestamp":1447155283000},"page":"1835-1846","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Selecting advisor agents using reliability, reputation and risks"],"prefix":"10.1177","volume":"29","author":[{"given":"Elham","family":"Majd","sequence":"first","affiliation":[{"name":"Department of Information System, Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vimala","family":"Balakrishnan","sequence":"additional","affiliation":[{"name":"Department of Information System, Faculty of Computer Science and Information Technology, University of Malaya, Kuala Lumpur, Malaysia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2015,6,24]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.elerap.2004.06.005"},{"key":"e_1_3_2_3_2","first-page":"85","article-title":"Trust network analysis with subjective logic","volume":"48","author":"J\u00f8sang A","year":"2006","unstructured":"J\u00f8sang A, Hayward R, Pope S 2006 Trust network analysis with subjective logic Proceedings of the 29th Australian Computer Science Conference 48 85 94","journal-title":"Proceedings of the 29th Australian Computer Science Conference"},{"key":"e_1_3_2_4_2","first-page":"16","article-title":"A metric for trusted systems","author":"J\u00f8sang A","year":"1998","unstructured":"J\u00f8sang A, Knapskog S 1998 A metric for trusted systems Proceedings of the 21st National Security Conference 16 29","journal-title":"Proceedings of the 21st National Security Conference"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1567-4223(03)00024-3"},{"key":"e_1_3_2_6_2","first-page":"28","article-title":"TRR: An integrated Reliability-Reputation Model for Agent Societies","author":"Rosaci D","year":"2011","unstructured":"Rosaci D, Sarn\u00e8 GM, Garruzzo S 2011 TRR: An integrated Reliability-Reputation Model for Agent Societies Proceedings of the 12th Workshop on Objects and Agents (WOA) 28 33","journal-title":"Proceedings of the 12th Workshop on Objects and Agents (WOA)"},{"key":"e_1_3_2_7_2","first-page":"615","article-title":"Analysis of Trust Models to Improve E-commerce Multi-Agent Systems","volume":"285","author":"Majd E","year":"2014","unstructured":"Majd E, Balakrishnan V 2014 Analysis of Trust Models to Improve E-commerce Multi-Agent Systems Proceedings of the First International Conference on Advanced Data and Information Engineering (DaEng-2013) 285 615 622 Malaysia","journal-title":"Proceedings of the First International Conference on Advanced Data and Information Engineering (DaEng-2013)"},{"key":"e_1_3_2_8_2","doi-asserted-by":"crossref","unstructured":"Walter F Battiston S Schweitzer F 2008 Coping with information overload through trust-based networks Managing Complexity: Insights Concepts Applications Helbing D 273 300 Springer Berlin Heidelberg","DOI":"10.1007\/978-3-540-75261-5_13"},{"key":"e_1_3_2_9_2","first-page":"241","article-title":"Which is more important in Internet shopping, perceived price or trust? 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