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Advances in information systems set. Volume 4, Information and recommender systems

Author: Elsa Negre
Publisher: London : ISTE Ltd ; Hoboken, NJ : John Wiley & Sons, Inc., 2015. ©2015
Series: Information systems, web and pervasive computing series.
Edition/Format:   eBook : Document : EnglishView all editions and formats
Summary:

Information is an element of knowledge that can be stored, processed or transmitted. It is linked to concepts of communication, data, knowledge or representation. In a context of steady increase in  Read more...

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Genre/Form: Electronic books
Additional Physical Format: Print version:
Negre, Elsa.
Recommendation systems
(OCoLC)923322124
Material Type: Document, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Elsa Negre
ISBN: 9781119102953 9781119102779 1119102774 9781119103110 1119103118 1119102952
OCLC Number: 923847019
Description: 1 online resource (viii, 78 pages).
Contents: Introduction vii Chapter 1. A Few Important Details Before We Begin 1 1.1. Information systems 1 1.2. Decision support systems 2 1.3. Recommender systems 3 1.4. Comparisons 4 1.5. Recommendation versus personalization 5 1.5.1. Recommendation 5 1.5.2. Personalization 6 Chapter 2. Recommender Systems 7 2.1. Introduction 8 2.2. Classification of recommender systems 9 2.2.1. Classification by score estimation method 9 2.2.2. Classification by data exploitation 10 2.2.3. Classification by objective 11 2.3. User profiles 11 2.4. Data mining 12 2.5. Content-based approaches 14 2.6. Collaborative filtering approaches 17 2.7. Knowledge-based approaches 20 2.8. Hybrid approaches 23 2.9. Other approaches 25 Chapter 3. Key Concepts, Useful Measures and Techniques 29 3.1. Vector space model 31 3.2. Similarity measures 31 3.2.1. Cosine similarity 31 3.2.2. Pearson correlation coefficient 32 3.2.3. Euclidean distance 33 3.2.4. Dice index 33 3.3. Dimensionality reduction 34 3.3.1. Principal component analysis 34 3.3.2. Singular value decomposition 35 3.3.3. Latent semantic analysis 36 3.4. Classification/clustering 36 3.4.1. Classification 36 3.4.2. Clustering 37 3.5. Other techniques 39 3.5.1. Term frequency-inverse document frequency (TF-IDF) 39 3.5.2. Association rules 40 3.6. Comparisons 41 Chapter 4. Practical Implementations 43 4.1. Commercial applications 43 4.1.1. Amazon.com 43 4.1.2. Netflix 45 4.2. Databases 46 4.3. Collaborative environments 48 4.4. Smart cities 49 4.5. Early warning systems 54 Chapter 5. Evaluating the Quality of Recommender Systems 57 5.1. Data sets, sparsity and errors 57 5.2. Measures 59 5.2.1. Accuracy 59 5.2.2. Other measures 63 Conclusion 65 Bibliography 67 Index 77
Series Title: Information systems, web and pervasive computing series.
Other Titles: Information and recommender systems
Responsibility: Elsa Negre.

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