<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-5546</journal-id>
<journal-title><![CDATA[Computación y Sistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Comp. y Sist.]]></abbrev-journal-title>
<issn>1405-5546</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Investigación en Computación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-55462022000100357</article-id>
<article-id pub-id-type="doi">10.13053/cys-26-1-4180</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A Systematic Literature Review on the Hybrid Approaches for Recommender Systems]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Murillo]]></surname>
<given-names><![CDATA[Víctor Giovanni]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinto Avendańo]]></surname>
<given-names><![CDATA[David Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas López]]></surname>
<given-names><![CDATA[Franco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gonzales Calleros]]></surname>
<given-names><![CDATA[Juan Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla Facultad de Ciencias de la Computación ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Politécnica Metropolitana de Puebla Ingeniería en Sistemas Computacionales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>26</volume>
<numero>1</numero>
<fpage>357</fpage>
<lpage>372</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-55462022000100357&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-55462022000100357&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-55462022000100357&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Recommender systems represent a high economic, social, and technological impact at international level due to the most relevant technological companies have been used them as their main services considering that user experience and companies sales have been improved. For this reason, these systems are a principal research area, and the companies optimize their algorithms with hybrid approaches that combine two or more recommendation strategies. A systematic literature review on the hybrid approaches for recommender systems is generated by this work, the objectives are to analyze research line progress and to identify opportunity areas for future investigations. Further, the recent trends about challenges, methodologies, datasets, application domains and evaluation metrics on hybrid approach are identified. An art state from 2016 to 2020 is developed with information systems guide than unlike others works that use less recent guide and software engineering guide. This research will benefit recommender systems community.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Recommender systems]]></kwd>
<kwd lng="en"><![CDATA[hybrid approaches]]></kwd>
<kwd lng="en"><![CDATA[systematic literature review]]></kwd>
<kwd lng="en"><![CDATA[information systems]]></kwd>
<kwd lng="en"><![CDATA[hybrid recommender systems art state]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jannach]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Resnick]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Tuzhilin]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zanker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recommender systems beyond matrix completion]]></article-title>
<source><![CDATA[Comunications of the ACM]]></source>
<year>2016</year>
<volume>59</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>94-102</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Malekpour]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Jafari]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Hosseinzadeh]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Asghar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Darwesh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic study on the recommender systems in the e-commerce]]></article-title>
<source><![CDATA[IEEE Access]]></source>
<year>2020</year>
<volume>8</volume>
<page-range>115694-716</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Çano]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Morisio]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hybrid recommender systems: a systematic literature review]]></article-title>
<source><![CDATA[Intelligent Data Analysis]]></source>
<year>2017</year>
<volume>21</volume>
<page-range>1487-524</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Okoli]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Schabram]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A guide to conducting a systematic literature review of information systems research]]></article-title>
<source><![CDATA[Sprouts Working Papers Information Systems]]></source>
<year>2010</year>
<volume>10</volume>
<page-range>10-26</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mohammadi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Masoud]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mohammed]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sahaf]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trust&#8209;based recommendation systems in internet of things: a systematic literature review]]></article-title>
<source><![CDATA[Human-centric Computing Information Sciences]]></source>
<year>2019</year>
<volume>9</volume>
<page-range>1-61</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Katarya]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Arora]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Capsmf: a novel product recommender system using deep learning based text analysis model]]></article-title>
<source><![CDATA[Multimedia Tools Applications]]></source>
<year>2020</year>
<volume>79</volume>
<page-range>35927-48</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jabbar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Javaid]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Arif]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Munir]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Javed]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An efficient and intelligent recommender system for mobile platform]]></article-title>
<source><![CDATA[Mehran University Research Journal of Engineering Technology]]></source>
<year>2018</year>
<volume>37</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>463-80</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kouki]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Schaffer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Pujara]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Donovan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Getoor]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Generating and understanding personalized explanations in hybrid recommender systems]]></article-title>
<source><![CDATA[ACM Transactions on Interactive Intelligent Systems]]></source>
<year>2020</year>
<volume>10</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-40</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ifada]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ummamah]]></surname>
</name>
<name>
<surname><![CDATA[Kautsar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hybrid popularity model for solving cold-start problem in recommendation system]]></source>
<year>2020</year>
<conf-name><![CDATA[ 5th International Conference on Sustainable Information Engineering and Technology]]></conf-name>
<conf-loc> </conf-loc>
<page-range>40-4</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Do]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Le]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Dynamic weighted hybrid recommender systems]]></source>
<year>2020</year>
<conf-name><![CDATA[ 22nd International Conference on Advanced Communication Technology (ICACT)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>644-50</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Idrissi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Zellou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hourrane]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Bakkoury]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Benlahmar]]></surname>
<given-names><![CDATA[E.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Addressing cold start challenges in recommender systems: towards a new hybrid approach]]></source>
<year>2019</year>
<conf-name><![CDATA[ International Conference on Smart Applications, Communications and Networking (SmartNets)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tahmasebi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Meghdadi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmadian]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Valiallahi]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A hybrid recommendation system based on profile expansion technique to alleviate cold start problem]]></article-title>
<source><![CDATA[Multimedia Tools and Applications]]></source>
<year>2021</year>
<volume>80</volume>
<page-range>2339-54</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Devika]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Subramaniyaswamy]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[A novel model for hospital recommender system using hybrid filtering and big data techniques]]></source>
<year>2018</year>
<conf-name><![CDATA[ 2nd International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>575-9</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Nie]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Chua]]></surname>
<given-names><![CDATA[T.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cross-platform app recommendation by jointly modeling ratings and texts]]></article-title>
<source><![CDATA[ACM Transactions on Information Systems]]></source>
<year>2017</year>
<volume>35</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1-27</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oh]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yun]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Yong]]></surname>
</name>
<name>
<surname><![CDATA[Yi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[A pipelined hybrid recommender system for ranking the items on the display]]></source>
<year>2019</year>
<conf-name><![CDATA[ Workshop on ACM Recommender Systems Challenge]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kavitha]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Badre]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Towards a hybrid recommendation system on apache spark]]></source>
<year>2020</year>
<conf-name><![CDATA[ IEEE India Council International Subsections Conference (INDISCON)]]></conf-name>
<conf-date>2020</conf-date>
<conf-loc> </conf-loc>
<page-range>297-302</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Troussas]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Krouska]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Virvou]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Multi-algorithmic techniques and a hybrid model for increasing the efficiency of recommender systems]]></source>
<year>2018</year>
<conf-name><![CDATA[ IEEE 30th International Conference on Tools with Artificial Intelligence (ICTAI)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>184-8</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Jang]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A hybrid recommender system for sequential recommendation : combining similarity models with markov chains]]></article-title>
<source><![CDATA[IEEE Access]]></source>
<year>2020</year>
<volume>8</volume>
<page-range>190136-46</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Idrissi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Zellou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hourrane]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Bakkoury]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Benlahmar]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[A new hybrid-enhanced recommender system for mitigating cold start issues]]></source>
<year>2019</year>
<conf-name><![CDATA[ 11th International Conference on Information Management and Engineering]]></conf-name>
<conf-date>2019</conf-date>
<conf-loc> </conf-loc>
<page-range>10-4</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cantador]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Bellogín]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparative analysis of recommender systems based on item aspect opinions extracted from user reviews]]></article-title>
<source><![CDATA[User Modeling and User-Adapted Interaction]]></source>
<year>2018</year>
<volume>29</volume>
<page-range>381-441</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wairegi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Mwangi]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Riniru]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[A framework for items recommendation system using hybrid approach]]></source>
<year>2020</year>
<conf-name><![CDATA[ IST-Africa Conference (IST-Africa)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heggo]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdelbaki]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hybrid information filtering engine for personalized job recommender system]]></source>
<year>2018</year>
<conf-name><![CDATA[ The International Conference on Advanced Machine Learning Technologies and Applications (AMLTA´18)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>553-63</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Luo]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ding]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A novel social network hybrid recommender system based on hypergraph topologic structure]]></article-title>
<source><![CDATA[World Wide Web]]></source>
<year>2018</year>
<volume>21</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>985-1013</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Pettit]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[De Rijke]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Personalised reranking of paper recommendations using paper content and user behavior]]></article-title>
<source><![CDATA[ACM Transaction Systems]]></source>
<year>2019</year>
<volume>37</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-23</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Logesh]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Subramaniyaswamy]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Malathi]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Sivaramakrishnan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Vijayakumar]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Enhancing recommendation stability of collaborative filtering recommender system through bio-inspired clustering ensemble method]]></article-title>
<source><![CDATA[Neural Computing Applications]]></source>
<year>2020</year>
<volume>32</volume>
<page-range>2141-64</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Choenaksorn]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Maneeroj]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[New location recommendation technique on social network]]></source>
<year>2018</year>
<conf-name><![CDATA[ International Conference on Information Science and System]]></conf-name>
<conf-date>2018</conf-date>
<conf-loc> </conf-loc>
<page-range>3-7</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Maqsood]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yahya]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[An efficient algorithm for recommender system using kernel mapping techniques]]></source>
<year>2019</year>
<conf-name><![CDATA[ 8th International Conference on Software and Computer Applications]]></conf-name>
<conf-loc> </conf-loc>
<page-range>115-9</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fatih]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ayvaz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A negative similarity based hybrid recommender system using apache spark]]></source>
<year>2019</year>
<conf-name><![CDATA[ 3rd International Conference on Advances in Artificial Intelligence]]></conf-name>
<conf-loc> </conf-loc>
<page-range>166-72</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mueller]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Combining aspects of genetic algorithms with weighted recommender hybridization]]></source>
<year>2017</year>
<conf-name><![CDATA[ 19th International Conference on Information Integration and Web-based Applications &amp; Services]]></conf-name>
<conf-loc> </conf-loc>
<page-range>13-22</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferraro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bogdanov]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Serra]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<source><![CDATA[Automatic playlist continuation using a hybrid recommender system combining features from text and audio]]></source>
<year>2018</year>
<numero>2</numero>
<conf-name><![CDATA[ ACM Recommender Systems Challenge]]></conf-name>
<conf-date>2018</conf-date>
<conf-loc> </conf-loc>
<issue>2</issue>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grad-Gyenge]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Kiss]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Filzmoser]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Graph embedding based recommendation techniques on the knowledge graph]]></source>
<year>2017</year>
<conf-name><![CDATA[ 25th Conference on User Modeling, Adaptation and Personalization]]></conf-name>
<conf-loc> </conf-loc>
<page-range>354-9</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amit]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dharwa]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fuzzy based hybrid mobile recommendation system]]></source>
<year>2016</year>
<numero>145</numero>
<conf-name><![CDATA[ Second International Conference on Information and Communication Technology for Competitive Strategies]]></conf-name>
<conf-loc> </conf-loc>
<issue>145</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Otaibi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ykhlef]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hybrid immunizing solution for job recommender system]]></article-title>
<source><![CDATA[Frontiers of Computer Science]]></source>
<year>2017</year>
<volume>11</volume>
<page-range>511-27</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ben]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Masri]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Krichen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[A personalized hybrid tourism recommender system]]></source>
<year>2017</year>
<conf-name><![CDATA[ IEEE/ACS 14th International Conference on Computer Systems and Applications (AICCSA)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>244-50</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duzen]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Aktas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[An approach to hybrid personalized recommender systems]]></source>
<year>2016</year>
<conf-name><![CDATA[ International Symposium on innovations in intelligent systems and applications (INISTA)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Waqar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Majeed]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Dawood]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Daud]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Radi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An adaptive doctor-recommender system]]></article-title>
<source><![CDATA[Behaviour and Information Technology]]></source>
<year>2019</year>
<volume>38</volume>
<page-range>959-73</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nagowah]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rajarai]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Lallmahamood]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[A hybrid approach for recommender systems in a proximity based social network]]></source>
<year>2019</year>
<conf-name><![CDATA[ 2nd International Conference on Emerging Trends in Electrical, Electronic and Communications Engineering (ELECOM)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>302-12</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ka&#353;&#353;ák]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Kompan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bieliková]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Personalized hybrid recommendation for group of users : Top-n multimedia recommender]]></article-title>
<source><![CDATA[Information Processing Management: an International Journal]]></source>
<year>2016</year>
<volume>52</volume>
<page-range>459-77</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ravi]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Subramaniyaswamy]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Vijayakumar]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Karmel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Devarajan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hybrid location-based recommender system for mobility and travel planning]]></article-title>
<source><![CDATA[Mobile Networks and Applications]]></source>
<year>2019</year>
<volume>24</volume>
<page-range>1226-39</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Pei]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Neural explainable recommender model based on attributes and reviews]]></article-title>
<source><![CDATA[Journal Computer Science and Technology]]></source>
<year>2020</year>
<volume>35</volume>
<page-range>1446-60</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nilashi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibrahim]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Bagherifard]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A recommender system based on collaborative filtering using ontology and dimensionality reduction techniques]]></article-title>
<source><![CDATA[Expert Systems with Applicattions: An international Journal]]></source>
<year>2018</year>
<volume>92</volume>
<numero>C</numero>
<issue>C</issue>
<page-range>507-20</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Sheng]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Orgun]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sequential recommender systems : challenges, progress and prospects]]></source>
<year>2019</year>
<conf-name><![CDATA[ Twenty-Eighth International Joint Conference on Artificial Intelligence (IJCAI-19)]]></conf-name>
<conf-loc> </conf-loc>
<page-range>6332-8</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kamath]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitaker]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Deep learning for NLP and speech recognition]]></source>
<year>2019</year>
<publisher-name><![CDATA[Springer Nature Switzerland AG]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kochenderfer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wheeler]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Algorithms for Optimization]]></source>
<year>2019</year>
<publisher-name><![CDATA[The MIT Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Manning]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Raghavan]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Schütze]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An introduction to information retrieval]]></article-title>
<source><![CDATA[Information Retrieval]]></source>
<year>2019</year>
<volume>18</volume>
<page-range>192-5</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
