Class information for:
Level 2: RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
164 22632 30.9 29%


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
4183 1                   TEXT MIN//TEXT MINING//BIOMEDICAL TEXT MINING 1832
4604 1                   ONTOLOGY//ONTOLOGY MATCHING//SEMANTIC WEB 1758
8373 1                   INFORMATION PROCESSING & MANAGEMENT//JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE//INFORMATION RETRIEVAL 1260
9249 1                   SENTIMENT ANALYSIS//OPINION MINING//TOPIC MODEL 1174
9301 1                   WORDNET//WORD SENSE DISAMBIGUATION//SEMANTIC SIMILARITY 1169
10377 1                   INFORMATION RETRIEVAL//DISTRIBUTED INFORMATION RETRIEVAL//LEARNING TO RANK 1069
11493 1                   TEXT CATEGORIZATION//TEXT CLASSIFICATION//SPAM FILTERING 978
12112 1                   CROSS LANGUAGE INFORMATION RETRIEVAL//STEMMING//INTER INFORMAT 931
14534 1                   MULTI DOCUMENT SUMMARIZATION//TEXT SUMMARIZATION//SUMMARIZATION 764
14541 1                   PAGERANK//GOOGLE MATRIX//LINK ANALYSIS 764
15021 1                   SPOKEN DIALOGUE SYSTEMS//SPOKEN DIALOG SYSTEMS//DIALOGUE MANAGEMENT 736
15987 1                   DESCRIPTION LOGICS//FUZZY DESCRIPTION LOGICS//FUZZY ONTOLOGIES 679
17660 1                   INFORMATION EXTRACTION//WEB DATA EXTRACTION//WRAPPER INDUCTION 588
18217 1                   LINKED DATA//JOURNAL OF WEB SEMANTICS//SPARQL 561
18232 1                   LATENT SEMANTIC INDEXING//SEMIDISCRETE DECOMPOSITION//LATENT SEMANTIC ANALYSIS 560
20316 1                   LANGUAGE MODELING//STATISTICAL LANGUAGE MODELING//LANGUAGE MODEL ADAPTATION 466
21919 1                   SEMANTIC LINK NETWORK//CHINA KNOWLEDGE GRID GRP//KNOWLEDGE GRID GRP 400
21920 1                   WEB USAGE MINING//WEB LOG MINING//WEB ROBOT DETECTION 400
21978 1                   NAT LANGUAGE PROC INFORMAT SYST GRP//SEMANTIC ROLE LABELING//TIMEML 398
23266 1                   STATISTICAL MACHINE TRANSLATION//MACHINE TRANSLATION//WORD ALIGNMENT 352
23919 1                   DECISIONAL DNA//SET OF EXPERIENCE KNOWLEDGE STRUCTURE//DECISIONAL DNA DDNA 330
24176 1                   NAUCHNO-TEKHNICHESKAYA INFORMATSIYA SERIYA 2-INFORMATSIONNYE PROTSESSY I SISTEMY//SPELLING ERROR CORRECTION//DIACRITIZATION 321
24916 1                   CHINESE WORD SEGMENTATION//TEXT CHUNKING//PARTIAL PARSING 297
25243 1                   COMMUNITY QUESTION ANSWERING//QUESTION CLASSIFICATION//FAQ RETRIEVAL 287
26870 1                   LEARNING AGENTS//KNOWLEDGE ACQUISIT SHARING GRP//DOMAIN SPECIFIC ONTOLOGY 243
27914 1                   INFORMAT SCI INTELLIGENT SYST//TRIE STRUCTURES//NATURAL LANGUAGE DICTIONARIES 218
28184 1                   SEMANTIC WEB SEARCH//NATURAL LANGUAGE INTERFACES TO DATABASES//SEMANTIC SEARCH ON THE WEB 212
30972 1                   IMAGE TEXT RELATION//INTERACTIVE ILLUSTRATIONS//LANGUAGE VISUALISATION 160
33563 1                   CORE ONTOLOGIES//HIGHER LEVEL FUSION//ACTIVITY RELEVANCY 123
34293 1                   SPOKEN QUERY PROCESSING//ABBREVIATOR//ADVANCED INTERFACES 113
34820 1                   BACKPATCHING//BIG DATA CYBERNETICS//BUNKYO KU 3 29 1 106
35376 1                   RANGE EXTENSIONS//NORMAN WELLS PIPELINE//PROGRAM ENVIRONM HLTH 98
35708 1                   TREE KERNELS//RATIONAL KERNELS//STRING KERNELS 93
35802 1                   PERSONALISED INFORMATION PROVISION//NORMS CONSTRUCTION//ONTOLOGY BASED KNOWLEDGE NETWORKS 92
35947 1                   CONTENT PRESENTATION//DIAGNOSIS IN INTERNAL MEDICINE//INTELLIGENT CAD 89
36168 1                   MODAL LOGIC OF SUBSET SPACES//RACAI//TOPOLOGICAL REASONING 85
36235 1                   KNOWLEDGE INTENSIVE PROCESS//AUTOMATIC EXTRACTION OF COLLOCATIONS//BAHAMIAN ENGLISH 84
37184 1                   MULTI FACET SEARCH//VIEW BASED SEARCH//FACETED SEARCH 64
37517 1                   ALTERNATING POISSON PROCESS//ALTERNATING RENEWAL//PRODUCTION CYCLE TIME 55

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 823295 3% 77% 792
2 COLLABORATIVE FILTERING authKW 585599 3% 76% 573
3 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE WoSSC 483241 38% 4% 8638
4 COMPUTER SCIENCE, INFORMATION SYSTEMS WoSSC 457401 37% 4% 8358
5 INFORMATION PROCESSING & MANAGEMENT journal 372020 3% 37% 755
6 INFORMATION RETRIEVAL authKW 345644 4% 31% 819
7 TEXT MINING authKW 271169 2% 39% 518
8 SENTIMENT ANALYSIS authKW 265657 1% 67% 296
9 NATURAL LANGUAGE PROCESSING authKW 254254 2% 38% 494
10 COMPUTATIONAL LINGUISTICS journal 243789 1% 64% 281

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 483241 38% 4% 8638
2 Computer Science, Information Systems 457401 37% 4% 8358
3 Computer Science, Theory & Methods 99150 19% 2% 4213
4 Information Science & Library Science 74908 9% 3% 2097
5 Computer Science, Software Engineering 61184 12% 2% 2800
6 Computer Science, Interdisciplinary Applications 19534 8% 1% 1917
7 Computer Science, Cybernetics 11867 2% 2% 503
8 Mathematical & Computational Biology 11024 4% 1% 982
9 Operations Research & Management Science 9273 5% 1% 1137
10 Computer Science, Hardware & Architecture 9097 4% 1% 870

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 COMP SCI 123825 17% 3% 3793
2 TEXT MIN 56024 0% 80% 52
3 AIFB 51307 0% 42% 91
4 INFORMAT SCI INTELLIGENT SYST 40010 0% 43% 69
5 COMP SCI ENGN 33539 4% 3% 959
6 COMP SCI TECHNOL 33499 3% 4% 623
7 ONTOL ENGN GRP 29444 0% 58% 38
8 INFORMAT 27912 4% 3% 859
9 COMPUTAT LINGUIST 26952 0% 30% 66
10 LANGUAGE TECHNOL 26297 0% 28% 69

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 INFORMATION PROCESSING & MANAGEMENT 372020 3% 37% 755
2 COMPUTATIONAL LINGUISTICS 243789 1% 64% 281
3 INFORMATION RETRIEVAL 213304 1% 69% 229
4 LECTURE NOTES IN ARTIFICIAL INTELLIGENCE 157072 6% 9% 1393
5 NATURAL LANGUAGE ENGINEERING 151703 1% 80% 140
6 JOURNAL OF WEB SEMANTICS 137063 1% 55% 185
7 LANGUAGE RESOURCES AND EVALUATION 130527 1% 56% 172
8 ACM TRANSACTIONS ON INFORMATION SYSTEMS 116218 1% 41% 211
9 LECTURE NOTES IN COMPUTER SCIENCE 105014 12% 3% 2665
10 COMPUTER SPEECH AND LANGUAGE 82777 1% 29% 211

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 823295 3% 77% 792 Search RECOMMENDER+SYSTEMS Search RECOMMENDER+SYSTEMS
2 COLLABORATIVE FILTERING 585599 3% 76% 573 Search COLLABORATIVE+FILTERING Search COLLABORATIVE+FILTERING
3 INFORMATION RETRIEVAL 345644 4% 31% 819 Search INFORMATION+RETRIEVAL Search INFORMATION+RETRIEVAL
4 TEXT MINING 271169 2% 39% 518 Search TEXT+MINING Search TEXT+MINING
5 SENTIMENT ANALYSIS 265657 1% 67% 296 Search SENTIMENT+ANALYSIS Search SENTIMENT+ANALYSIS
6 NATURAL LANGUAGE PROCESSING 254254 2% 38% 494 Search NATURAL+LANGUAGE+PROCESSING Search NATURAL+LANGUAGE+PROCESSING
7 ONTOLOGY 237474 4% 20% 888 Search ONTOLOGY Search ONTOLOGY
8 INFORMATION EXTRACTION 234909 1% 54% 325 Search INFORMATION+EXTRACTION Search INFORMATION+EXTRACTION
9 SEMANTIC WEB 233988 2% 35% 498 Search SEMANTIC+WEB Search SEMANTIC+WEB
10 OPINION MINING 174541 1% 80% 163 Search OPINION+MINING Search OPINION+MINING

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 SINGH, VK , MADHAVI, D , PIRYANI, R , (2017) ANALYTICAL MAPPING OF OPINION MINING AND SENTIMENT ANALYSIS RESEARCH DURING 2000-2015.INFORMATION PROCESSING & MANAGEMENT. VOL. 53. ISSUE 1. P. 122 -150 288 67% 0
2 BOBADILLA, J , ORTEGA, F , HERNANDO, A , GUTIERREZ, A , (2013) RECOMMENDER SYSTEMS SURVEY.KNOWLEDGE-BASED SYSTEMS. VOL. 46. ISSUE . P. 109 -132 96 90% 286
3 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 127 80% 93
4 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 88 87% 41
5 RAVI, K , RAVI, V , (2015) A SURVEY ON OPINION MINING AND SENTIMENT ANALYSIS: TASKS, APPROACHES AND APPLICATIONS.KNOWLEDGE-BASED SYSTEMS. VOL. 89. ISSUE . P. 14 -46 97 83% 26
6 SERRANO-GUERRERO, J , OLIVAS, JA , ROMERO, FP , HERRERA-VIEDMA, E , (2015) SENTIMENT ANALYSIS: A REVIEW AND COMPARATIVE ANALYSIS OF WEB SERVICES.INFORMATION SCIENCES. VOL. 311. ISSUE . P. 18 -38 54 90% 29
7 GAMBHIR, M , GUPTA, V , (2017) RECENT AUTOMATIC TEXT SUMMARIZATION TECHNIQUES: A SURVEY.ARTIFICIAL INTELLIGENCE REVIEW. VOL. 47. ISSUE 1. P. 1 -66 47 87% 1
8 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 80 48% 163
9 GARTEN, Y , COULET, A , ALTMAN, RB , (2010) RECENT PROGRESS IN AUTOMATICALLY EXTRACTING INFORMATION FROM THE PHARMACOGENOMIC LITERATURE.PHARMACOGENOMICS. VOL. 11. ISSUE 10. P. 1467 -1489 67 81% 17
10 SHVAIKO, P , EUZENAT, J , (2013) ONTOLOGY MATCHING: STATE OF THE ART AND FUTURE CHALLENGES.IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING. VOL. 25. ISSUE 1. P. 158-176 38 78% 156

Classes with closest relation at Level 2


Rank Class id link
1 3830 NFC ISTANBUL//CONTEXT BASED REASONING//CUT AND SOLVE METHOD
2 4121 PERSONAL INFORMATION MANAGEMENT//PERSONAL INFORMATION SYSTEMS//PERSONAL KNOWLEDGE MANAGEMENT
3 2428 SERVICE COMPOSITION//WEB SERVICES//PROCESS MINING
4 864 INFORMATION SYSTEMS//COMPUTER SCIENCE, INFORMATION SYSTEMS//ACM TRANSACTIONS ON DATABASE SYSTEMS
5 3201 GRAPHICAL REPRESENTATION//AUTHORSHIP ATTRIBUTION//CODE CLONE
6 2216 ASSOCIATION RULES//DATA MINING//FREQUENT ITEMSETS
7 3222 PRIVACY PRESERVING DATA MINING//STATISTICAL DISCLOSURE CONTROL//K ANONYMITY
8 3509 WEB ENGINEERING//WIRTSCHAFTSINFORMATIK//HYPERMEDIA
9 3751 MPEG 21//CONTENT ADAPTATION//MPEG V
10 235 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//FEATURE SELECTION//MACHINE LEARNING

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