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Diversity and novelty in information retrieval

Rodrygo L.T. Santos, Pablo Castells, Ismail Sengor Altingovde, Fazli Can
2013 Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval - SIGIR '13  
This tutorial aims to provide a unifying account of current research on diversity and novelty in different IR domains, namely, in the context of search engines, recommender systems, and data streams.  ...  This tutorial aims to provide a unifying account of current research on diversity and novelty in different IR domains.  ...  In particular, the tutorial attendees will: • understand the importance and complexities of achieving diversity/novelty for various IR domains; • learn the state-of-the-art approaches for diversity/novelty  ... 
doi:10.1145/2484028.2484187 dblp:conf/sigir/SantosCAC13 fatcat:si7b4du6tber5jym74msqfg3gm

Novelty and diversity in information retrieval evaluation

Charles L.A. Clarke, Maheedhar Kolla, Gordon V. Cormack, Olga Vechtomova, Azin Ashkan, Stefan Büttcher, Ian MacKinnon
2008 Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '08  
In this paper, we present a framework for evaluation that systematically rewards novelty and diversity. We develop this framework into a specific evaluation measure, based on cumulative gain.  ...  Ambiguity in queries and redundancy in retrieved documents are poorly reflected by current evaluation measures.  ...  CONCLUDING DISCUSSION Our goal is to define a workable evaluation framework for information retrieval that accounts for novelty and diversity in a sound fashion.  ... 
doi:10.1145/1390334.1390446 dblp:conf/sigir/ClarkeKCVABM08 fatcat:6ozn44dfi5ejzfrglkgxah6sqa

An analysis of NP-completeness in novelty and diversity ranking

Ben Carterette
2010 Information retrieval (Boston)  
A useful ability for search engines is to be able to rank objects with novelty and diversity: the top k documents retrieved should cover possible interpretations of a query with some distribution, or should  ...  contain a diverse set of subtopics related to the user's information need, or contain nuggets of information with little redundancy.  ...  Conclusion We have argued that NP-complete evaluation and optimization can be a serious problem for retrieval systems.  ... 
doi:10.1007/s10791-010-9157-1 fatcat:grjv435uvfdcbexeqpntkxnffm

Novelty and diversity enhancement and evaluation in recommender systems and information retrieval

Saúl Vargas
2014 Proceedings of the 37th international ACM SIGIR conference on Research & development in information retrieval - SIGIR '14  
Properties such as novelty and diversity have been explored in both fields for assessing and enhancing the usefulness of search results and recommendations. In this doctoral research we study  ...  The development and evaluation of Information Retrieval and Recommender Systems has traditionally focused on the relevance and accuracy of retrieved documents and recommendations, respectively.  ...  In Information Retrieval, diversity is posited a quality of result lists that helps cope with the ambiguity and underspecification in users queries, whereas novelty is understood as the quality of a system  ... 
doi:10.1145/2600428.2610382 dblp:conf/sigir/Vargas14 fatcat:my6jsfk2ongfxc33t6lbelj3fy

Preference based evaluation measures for novelty and diversity

Praveen Chandar, Ben Carterette
2013 Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval - SIGIR '13  
Novel and diverse document ranking is an effective strategy that involves reducing redundancy in a ranked list to maximize the amount of novel and relevant information available to users.  ...  Evaluation for novelty and diversity typically involves an assessor judging each document for relevance against a set of pre-identified subtopics, which may be disambiguations of the query, facets of an  ...  Any opinions, findings and conclusions or recommendations expressed in this material are the authors' and do not necessarily reflect those of the sponsor.  ... 
doi:10.1145/2484028.2484094 dblp:conf/sigir/ChandarC13 fatcat:znw62skuv5gyhe3kqcq4g6c5t4

Tailoring Music Recommendations to Users by Considering Diversity, Mainstreaminess, and Novelty

Markus Schedl, David Hauger
2015 Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval - SIGIR '15  
We report first results and highlight cases where our diversity, mainstreaminess, and novelty features can be beneficially integrated into music recommender systems.  ...  To alleviate this issue, we propose several user features that model aspects of the user's music listening behavior: diversity, mainstreaminess, and novelty of the user's music taste.  ...  Acknowledgments This research is supported by the EU-FP7 project no. 601166 and by the Austrian Science Fund (FWF): P25655.  ... 
doi:10.1145/2766462.2767763 dblp:conf/sigir/SchedlH15 fatcat:wusjrj5swbdodhrzzm634wun2y

Diversity and novelty in web search, recommender systems and data streams

Rodrygo L.T. Santos, Pablo Castells, Ismail Sengor Altingovde, Fazli Can
2014 Proceedings of the 7th ACM international conference on Web search and data mining - WSDM '14  
This tutorial aims to provide a unifying account of current research on diversity and novelty in the domains of web search, recommender systems, and data stream processing.  ...  Diversity in Recommender Systems • Motivation and Notions • Novelty and Diversity Enhancement • Novelty and Diversity Evaluation 4.  ...  of information retrieval.  ... 
doi:10.1145/2556195.2556199 dblp:conf/wsdm/SantosCAC14 fatcat:xn764sew4bgjzh4du44vinyduq

Promoting ranking diversity for genomics search with relevance-novelty combined model

Xiaoshi Yin, Zhoujun Li, Jimmy Huang, Xiaohua Hu
2011 BMC Bioinformatics  
This assumption may result in high redundancy and low diversity in the retrieval ranked lists.  ...  Hence it is important for a biomedical information retrieval system to be able to provide comprehensive and diverse answers to fulfill biologists' information needs.  ...  Acknowledgements This research is supported in part by the National Natural Science Foundation of China (under  ... 
doi:10.1186/1471-2105-12-s5-s8 pmid:21989180 pmcid:PMC3226257 fatcat:wxx2rexkybdjnotjfoht622qgi

Tag and Word Clouds as Means of Navigation Support in Social Systems [chapter]

Martin Leginus, Peter Dolog
2013 Lecture Notes in Computer Science  
Enhanced relevance of tag clouds should increase the likelihood that user will accomplish a given information retrieval task.  ...  Improved diversity and novelty of tag clouds should result into coverage of the entire spectrum of topics from folksonomy resources.  ...  The following paragraph presents related work about diversity and novelty from information retrieval perspective. Diversity and Novelty.  ... 
doi:10.1007/978-3-319-04244-2_32 fatcat:merbl2ro35agjo6vatzgorzpcm

A survival modeling approach to biomedical search result diversification using wikipedia

Xiaoshi Yin, Jimmy Xiangji Huang, Xiaofeng Zhou, Zhoujun Li
2010 Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval - SIGIR '10  
Experiments conducted on the TREC 2006 and 2007 Genomics collections demonstrate the effectiveness of the proposed approach in promoting ranking diversity for biomedical information retrieval.  ...  The retrieved documents' query-relevance and novelty are combined at the aspect level for re-ranking.  ...  Acknowledgements This work is supported by NSERC Discovery Grant and an Early Researher Award of Ontario.  ... 
doi:10.1145/1835449.1835673 dblp:conf/sigir/YinHZL10 fatcat:aooevpuzone5dllw5bviw6azpe

Diversity and Novelty on the Web

Rodrygo L.T. Santos, Pablo Castells, Ismail Sengor Altingovde, Fazli Can
2015 Proceedings of the 24th International Conference on World Wide Web - WWW '15 Companion  
This tutorial aims to provide a unifying account of current research on diversity and novelty in different web information systems.  ...  In particular, the tutorial will cover the motivations, as well as the most established approaches for producing and evaluating diverse results in search engines, recommender systems, and data streams,  ...  and Trends in Information Retrieval.  ... 
doi:10.1145/2740908.2741988 dblp:conf/www/SantosCAC15 fatcat:f64nwvj67vdojlttfadjmpnqpm

Additive Smoothing for Relevance-Based Language Modelling of Recommender Systems

Daniel Valcarce, Javier Parapar, Álvaro Barreiro
2016 Proceedings of the 4th Spanish Conference on Information Retrieval - CERI '16  
Our experiments confirm that this alternative improves the accuracy, novelty and diversity figures of the recommendations.  ...  In this paper, we claim that the IDF effect from retrieval is closely related to the concept of novelty in recommendation.  ...  ACKNOWLEDGMENTS This work was supported by the grant TIN2015-64282-R of Ministerio de Economía y Competitividad of the Goverment of Spain and FEDER funds.  ... 
doi:10.1145/2934732.2934737 dblp:conf/ceri/ValcarcePB16 fatcat:ppfv7vpknzduxa76r5o3ofzkly

Jointly optimising relevance and diversity in image retrieval

Thomas Deselaers, Tobias Gass, Philippe Dreuw, Hermann Ney
2009 Proceeding of the ACM International Conference on Image and Video Retrieval - CIVR '09  
Most approaches addressing diversity in image or information retrieval use a two-step approach where in a first step a set of potentially relevant images is determined and in a second step these images  ...  In this paper we present a method to jointly optimise the relevance and the diversity of the results in image retrieval.  ...  The authors would like to thank Daniel Lemire for some pointers to literature regarding diversity in his blog. The product database was provided by Exalead 2 in the framework of the QUAERO project.  ... 
doi:10.1145/1646396.1646443 dblp:conf/civr/DeselaersGDN09 fatcat:6bf5xytgrzcirhgvsxn3hiojca

Introduction to special issue on the second international conference on the theory of information retrieval

Leif Azzopardi, Dawei Song, Gabriella Kazai, Stephen Robertson, Stefan Rüger, Milad Shokouhi, Emine Yilmaz
2010 Information retrieval (Boston)  
Acknowledgments We would like to thank all the reviewers of the ICTIR 2009 conference and the reviewers of this special issue.  ...  We would also like to thank all the local organizers, student volunteers, sponsors and participants for their contribution to the success of the ICTIR 2009 conference.  ...  ), (3) the evaluation of structured retrieval in a theoretical manner, and (4) a detailed analysis of evaluation measures used in Novelty and Diversity.  ... 
doi:10.1007/s10791-010-9142-8 fatcat:ox7epuxp45h2fd432babvgtliu

Novelty and Diversity in Recommender Systems [chapter]

Pablo Castells, Neil J. Hurley, Saul Vargas
2015 Recommender Systems Handbook  
In the present work we propose an Information Retrieval approach to the evaluation and enhacement of novelty and diversity in Recommender Systems.  ...  increasing attention in the Information Retrieval and Recommender Systems fields.  ...  Novelty and Diversity in Information Retrieval As previously discussed, IR research and development has been traditionally focused on accuracy and relevance as targets for satisfying the user information  ... 
doi:10.1007/978-1-4899-7637-6_26 fatcat:53veooy4dzgzxcr3volnel46w4
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