Class information for:
Level 1: RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//RECOMMENDATION SYSTEM

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1316 2723 33.9 37%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
20 3       COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, SOFTWARE ENGINEERING 118625
164 2             RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 22632
1316 1                   RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//RECOMMENDATION SYSTEM 2723

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 RECOMMENDER SYSTEMS authKW 6228785 28% 74% 755
2 COLLABORATIVE FILTERING authKW 4524674 20% 73% 552
3 RECOMMENDATION SYSTEM authKW 672646 4% 50% 121
4 CONTENT BASED FILTERING authKW 374229 2% 76% 44
5 PERSONALIZATION authKW 365773 6% 20% 161
6 PERSONALIZED RECOMMENDATION authKW 299160 1% 68% 39
7 FOLKSONOMY authKW 297931 2% 44% 61
8 INFORMATION FILTERING authKW 240461 2% 34% 63
9 SOCIAL TAGGING authKW 213129 1% 49% 39
10 SPARSITY PROBLEM authKW 179393 1% 100% 16

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with term
in class
1 Computer Science, Artificial Intelligence 74877 43% 1% 1177
2 Computer Science, Information Systems 62798 39% 1% 1073
3 Computer Science, Theory & Methods 11691 18% 0% 502
4 Computer Science, Software Engineering 11413 15% 0% 416
5 Operations Research & Management Science 6589 11% 0% 313
6 Computer Science, Cybernetics 5842 4% 0% 120
7 Information Science & Library Science 2576 5% 0% 138
8 Engineering, Electrical & Electronic 2570 20% 0% 542
9 Computer Science, Hardware & Architecture 2504 6% 0% 154
10 Telecommunications 1294 6% 0% 173

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 WEB SCI 122942 2% 21% 53
2 FILMAFFIN COM TEAM 67272 0% 100% 6
3 INFORMAT ECON 58139 1% 25% 21
4 SMART MEDIA 52164 1% 29% 16
5 WEB INTELLIGENCE 50445 0% 50% 9
6 INTEC WICA 44848 0% 100% 4
7 WICA 39235 0% 50% 7
8 AGENTS 35877 0% 80% 4
9 INFORMAT ECON INTERNET 35034 0% 63% 5
10 ISISTAN 34785 1% 15% 21

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 USER MODELING AND USER-ADAPTED INTERACTION 160124 2% 23% 62
2 EXPERT SYSTEMS WITH APPLICATIONS 56491 8% 2% 231
3 ACM TRANSACTIONS ON INTELLIGENT SYSTEMS AND TECHNOLOGY 50053 2% 11% 41
4 KNOWLEDGE-BASED SYSTEMS 37240 4% 3% 96
5 ACM TRANSACTIONS ON INFORMATION SYSTEMS 20864 1% 6% 31
6 LECTURE NOTES IN ARTIFICIAL INTELLIGENCE 18311 6% 1% 165
7 JOURNAL OF INTELLIGENT INFORMATION SYSTEMS 12625 1% 4% 26
8 IEEE INTELLIGENT SYSTEMS 10686 1% 4% 26
9 DECISION SUPPORT SYSTEMS 10650 2% 2% 50
10 AI COMMUNICATIONS 10434 1% 4% 22

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 RECOMMENDER SYSTEMS 6228785 28% 74% 755 Search RECOMMENDER+SYSTEMS Search RECOMMENDER+SYSTEMS
2 COLLABORATIVE FILTERING 4524674 20% 73% 552 Search COLLABORATIVE+FILTERING Search COLLABORATIVE+FILTERING
3 RECOMMENDATION SYSTEM 672646 4% 50% 121 Search RECOMMENDATION+SYSTEM Search RECOMMENDATION+SYSTEM
4 CONTENT BASED FILTERING 374229 2% 76% 44 Search CONTENT+BASED+FILTERING Search CONTENT+BASED+FILTERING
5 PERSONALIZATION 365773 6% 20% 161 Search PERSONALIZATION Search PERSONALIZATION
6 PERSONALIZED RECOMMENDATION 299160 1% 68% 39 Search PERSONALIZED+RECOMMENDATION Search PERSONALIZED+RECOMMENDATION
7 FOLKSONOMY 297931 2% 44% 61 Search FOLKSONOMY Search FOLKSONOMY
8 INFORMATION FILTERING 240461 2% 34% 63 Search INFORMATION+FILTERING Search INFORMATION+FILTERING
9 SOCIAL TAGGING 213129 1% 49% 39 Search SOCIAL+TAGGING Search SOCIAL+TAGGING
10 SPARSITY PROBLEM 179393 1% 100% 16 Search SPARSITY+PROBLEM Search SPARSITY+PROBLEM

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 BOBADILLA, J , ORTEGA, F , HERNANDO, A , GUTIERREZ, A , (2013) RECOMMENDER SYSTEMS SURVEY.KNOWLEDGE-BASED SYSTEMS. VOL. 46. ISSUE . P. 109 -132 96 90% 286
2 PARK, DH , KIM, HK , CHOI, IY , KIM, JK , (2012) A LITERATURE REVIEW AND CLASSIFICATION OF RECOMMENDER SYSTEMS RESEARCH.EXPERT SYSTEMS WITH APPLICATIONS. VOL. 39. ISSUE 11. P. 10059 -10072 122 77% 93
3 LU, J , WU, DS , MAO, MS , WANG, W , ZHANG, GQ , (2015) RECOMMENDER SYSTEM APPLICATION DEVELOPMENTS: A SURVEY.DECISION SUPPORT SYSTEMS. VOL. 74. ISSUE . P. 12 -32 84 83% 41
4 LU, LY , MEDO, M , YEUNG, CH , ZHANG, YC , ZHANG, ZK , ZHOU, T , (2012) RECOMMENDER SYSTEMS.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 519. ISSUE 1. P. 1 -49 75 45% 163
5 CHOI, K , YOO, D , KIM, G , SUH, Y , (2012) A HYBRID ONLINE-PRODUCT RECOMMENDATION SYSTEM: COMBINING IMPLICIT RATING-BASED COLLABORATIVE FILTERING AND SEQUENTIAL PATTERN ANALYSIS.ELECTRONIC COMMERCE RESEARCH AND APPLICATIONS. VOL. 11. ISSUE 4. P. 309 -317 39 95% 28
6 CHOI, K , SUH, Y , (2013) A NEW SIMILARITY FUNCTION FOR SELECTING NEIGHBORS FOR EACH TARGET ITEM IN COLLABORATIVE FILTERING.KNOWLEDGE-BASED SYSTEMS. VOL. 37. ISSUE . P. 146-153 33 100% 35
7 ADOMAVICIUS, G , TUZHILIN, A , (2005) TOWARD THE NEXT GENERATION OF RECOMMENDER SYSTEMS: A SURVEY OF THE STATE-OF-THE-ART AND POSSIBLE EXTENSIONS.IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING. VOL. 17. ISSUE 6. P. 734 -749 23 70% 2152
8 SHI, Y , LARSON, M , HANJALIC, A , (2014) COLLABORATIVE FILTERING BEYOND THE USER-ITEM MATRIX: A SURVEY OF THE STATE OF THE ART AND FUTURE CHALLENGES.ACM COMPUTING SURVEYS. VOL. 47. ISSUE 1. P. - 38 72% 44
9 NAJAFABADI, MK , MAHRIN, MN , CHUPRAT, S , SARKAN, HM , (2017) IMPROVING THE ACCURACY OF COLLABORATIVE FILTERING RECOMMENDATIONS USING CLUSTERING AND ASSOCIATION RULES MINING ON IMPLICIT DATA.COMPUTERS IN HUMAN BEHAVIOR. VOL. 67. ISSUE . P. 113 -128 39 89% 0
10 MORADI, P , AHMADIAN, S , (2015) A RELIABILITY-BASED RECOMMENDATION METHOD TO IMPROVE TRUST-AWARE RECOMMENDER SYSTEMS.EXPERT SYSTEMS WITH APPLICATIONS. VOL. 42. ISSUE 21. P. 7386 -7398 35 90% 4

Classes with closest relation at Level 1


Rank Class id link
1 21920 WEB USAGE MINING//WEB LOG MINING//WEB ROBOT DETECTION
2 10377 INFORMATION RETRIEVAL//DISTRIBUTED INFORMATION RETRIEVAL//LEARNING TO RANK
3 6425 STUDENT MODELING//INTELLIGENT TUTORING SYSTEMS//ADAPTIVE HYPERMEDIA
4 37342 AD TIVE SYST GRP//ADAPTIVE LOCATION PREDICTION//ADAPTIVE VES
5 9249 SENTIMENT ANALYSIS//OPINION MINING//TOPIC MODEL
6 23919 DECISIONAL DNA//SET OF EXPERIENCE KNOWLEDGE STRUCTURE//DECISIONAL DNA DDNA
7 36555 MANAGEMENT SCI DECIS MAKING//BRAND SPECTRUM//ANALYTICAL INFORMATION SYSTEM
8 29914 SAMSUN CO AFFILIATED//IT CONVERGENCE//U HEALTHCARE
9 17539 IMAGE USE//MULTILINGUAL INFORMATION//KNOWLEDGE ORGANIZATION
10 21919 SEMANTIC LINK NETWORK//CHINA KNOWLEDGE GRID GRP//KNOWLEDGE GRID GRP

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